annotate mercurial/revlog.py @ 51634:3cf9e52f5e27 stable

inline-changelog: fix a critical bug in write_pending that delete data Since a93e52f0b6ff we no longer use inline-revlog for the changelog. The goal there was to solve the lack of testing for the two variants (inline vs split) and reduce the complexity of the interaction with "diverted-write" on the changelog level. However many existing repository still have inline-changelog and we automatically move them to normal revlog as soon as we have the chances. Unfortunately This conversion is buggy and can result in the destruction of the changelog.i if hook triggers the "write pending" mechanism. The bugs comes from the "revlog splitting" logic and the "write_pending" logic stepping over each other. Ironically the change in a93e52f0b6ff aims at no longer having this kind of problem. This changesets fix this issue and add associated tests. Fixing this reveal that the transaction hooks end up not seeing the pending transaction content, because the name is not right ("changelog.i.s.a" instead of "changelog.i.s") we fix this in the next changeset.
author Pierre-Yves David <pierre-yves.david@octobus.net>
date Wed, 12 Jun 2024 02:15:20 +0200
parents def497c75351
children 1721d983dd6d
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 # revlog.py - storage back-end for mercurial
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2 # coding: utf8
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3 #
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4 # Copyright 2005-2007 Olivia Mackall <olivia@selenic.com>
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5 #
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6 # This software may be used and distributed according to the terms of the
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7 # GNU General Public License version 2 or any later version.
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8
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9 """Storage back-end for Mercurial.
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10
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11 This provides efficient delta storage with O(1) retrieve and append
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12 and O(changes) merge between branches.
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13 """
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14
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15
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16 import binascii
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17 import collections
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18 import contextlib
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19 import functools
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20 import io
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21 import os
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22 import struct
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23 import weakref
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24 import zlib
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25
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26 # import stuff from node for others to import from revlog
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27 from .node import (
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28 bin,
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29 hex,
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30 nullrev,
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31 sha1nodeconstants,
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32 short,
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33 wdirrev,
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34 )
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35 from .i18n import _
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36 from .revlogutils.constants import (
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37 ALL_KINDS,
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38 CHANGELOGV2,
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39 COMP_MODE_DEFAULT,
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40 COMP_MODE_INLINE,
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41 COMP_MODE_PLAIN,
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42 DELTA_BASE_REUSE_NO,
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43 DELTA_BASE_REUSE_TRY,
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44 ENTRY_RANK,
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45 FEATURES_BY_VERSION,
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46 FLAG_GENERALDELTA,
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47 FLAG_INLINE_DATA,
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48 INDEX_HEADER,
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49 KIND_CHANGELOG,
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50 KIND_FILELOG,
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51 RANK_UNKNOWN,
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52 REVLOGV0,
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53 REVLOGV1,
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54 REVLOGV1_FLAGS,
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55 REVLOGV2,
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56 REVLOGV2_FLAGS,
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57 REVLOG_DEFAULT_FLAGS,
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58 REVLOG_DEFAULT_FORMAT,
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59 REVLOG_DEFAULT_VERSION,
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60 SUPPORTED_FLAGS,
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61 )
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62 from .revlogutils.flagutil import (
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63 REVIDX_DEFAULT_FLAGS,
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64 REVIDX_ELLIPSIS,
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65 REVIDX_EXTSTORED,
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66 REVIDX_FLAGS_ORDER,
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67 REVIDX_HASCOPIESINFO,
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68 REVIDX_ISCENSORED,
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69 REVIDX_RAWTEXT_CHANGING_FLAGS,
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70 )
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71 from .thirdparty import attr
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72 from . import (
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73 ancestor,
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74 dagop,
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75 error,
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76 mdiff,
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77 policy,
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78 pycompat,
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79 revlogutils,
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80 templatefilters,
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81 util,
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82 )
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83 from .interfaces import (
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84 repository,
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85 util as interfaceutil,
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86 )
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87 from .revlogutils import (
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88 deltas as deltautil,
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89 docket as docketutil,
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90 flagutil,
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91 nodemap as nodemaputil,
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92 randomaccessfile,
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93 revlogv0,
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94 rewrite,
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95 sidedata as sidedatautil,
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96 )
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97 from .utils import (
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98 storageutil,
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99 stringutil,
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100 )
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da28286bf6b7 Add smart node lookup by substring or by rev number
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101
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102 # blanked usage of all the name to prevent pyflakes constraints
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103 # We need these name available in the module for extensions.
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104
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105 REVLOGV0
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106 REVLOGV1
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107 REVLOGV2
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108 CHANGELOGV2
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109 FLAG_INLINE_DATA
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110 FLAG_GENERALDELTA
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111 REVLOG_DEFAULT_FLAGS
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112 REVLOG_DEFAULT_FORMAT
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113 REVLOG_DEFAULT_VERSION
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114 REVLOGV1_FLAGS
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115 REVLOGV2_FLAGS
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116 REVIDX_ISCENSORED
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117 REVIDX_ELLIPSIS
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118 REVIDX_HASCOPIESINFO
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119 REVIDX_EXTSTORED
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120 REVIDX_DEFAULT_FLAGS
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121 REVIDX_FLAGS_ORDER
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122 REVIDX_RAWTEXT_CHANGING_FLAGS
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123
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124 parsers = policy.importmod('parsers')
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125 rustancestor = policy.importrust('ancestor')
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parents: 43440
diff changeset
126 rustdagop = policy.importrust('dagop')
44014
8042856c90b6 rust-index: add a `experimental.rust.index` option to use the wrapper
Georges Racinet <georges.racinet@octobus.net>
parents: 43979
diff changeset
127 rustrevlog = policy.importrust('revlog')
32372
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Yuya Nishihara <yuya@tcha.org>
parents: 32315
diff changeset
128
30817
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parents: 30795
diff changeset
129 # Aliased for performance.
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parents: 30795
diff changeset
130 _zlibdecompress = zlib.decompress
5007
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Matt Mackall <mpm@selenic.com>
parents: 5006
diff changeset
131
49828
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Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 49766
diff changeset
132 # max size of inline data embedded into a revlog
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 10914
diff changeset
133 _maxinline = 131072
10913
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Greg Ward <greg-hg@gerg.ca>
parents: 10404
diff changeset
134
51392
a0d88b021a98 unbundle: faster computation of changed heads
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51315
diff changeset
135
39767
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 39333
diff changeset
136 # Flag processors for REVIDX_ELLIPSIS.
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parents: 39333
diff changeset
137 def ellipsisreadprocessor(rl, text):
46709
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
138 return text, False
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
139
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
140
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
141 def ellipsiswriteprocessor(rl, text):
39767
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parents: 39333
diff changeset
142 return text, False
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parents: 39333
diff changeset
143
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parents: 43039
diff changeset
144
39767
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 39333
diff changeset
145 def ellipsisrawprocessor(rl, text):
db088e133e91 revlog: define ellipsis flag processors in core
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39333
diff changeset
146 return False
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parents: 39333
diff changeset
147
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parents: 43039
diff changeset
148
39767
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parents: 39333
diff changeset
149 ellipsisprocessor = (
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 39333
diff changeset
150 ellipsisreadprocessor,
db088e133e91 revlog: define ellipsis flag processors in core
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39333
diff changeset
151 ellipsiswriteprocessor,
db088e133e91 revlog: define ellipsis flag processors in core
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39333
diff changeset
152 ellipsisrawprocessor,
db088e133e91 revlog: define ellipsis flag processors in core
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39333
diff changeset
153 )
db088e133e91 revlog: define ellipsis flag processors in core
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parents: 39333
diff changeset
154
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parents: 43039
diff changeset
155
43957
7c3118b9a9db revlog: split the content verification of a node into a separate method
Matt Harbison <matt_harbison@yahoo.com>
parents: 43779
diff changeset
156 def _verify_revision(rl, skipflags, state, node):
7c3118b9a9db revlog: split the content verification of a node into a separate method
Matt Harbison <matt_harbison@yahoo.com>
parents: 43779
diff changeset
157 """Verify the integrity of the given revlog ``node`` while providing a hook
7c3118b9a9db revlog: split the content verification of a node into a separate method
Matt Harbison <matt_harbison@yahoo.com>
parents: 43779
diff changeset
158 point for extensions to influence the operation."""
7c3118b9a9db revlog: split the content verification of a node into a separate method
Matt Harbison <matt_harbison@yahoo.com>
parents: 43779
diff changeset
159 if skipflags:
7c3118b9a9db revlog: split the content verification of a node into a separate method
Matt Harbison <matt_harbison@yahoo.com>
parents: 43779
diff changeset
160 state[b'skipread'].add(node)
7c3118b9a9db revlog: split the content verification of a node into a separate method
Matt Harbison <matt_harbison@yahoo.com>
parents: 43779
diff changeset
161 else:
7c3118b9a9db revlog: split the content verification of a node into a separate method
Matt Harbison <matt_harbison@yahoo.com>
parents: 43779
diff changeset
162 # Side-effect: read content and verify hash.
7c3118b9a9db revlog: split the content verification of a node into a separate method
Matt Harbison <matt_harbison@yahoo.com>
parents: 43779
diff changeset
163 rl.revision(node)
7c3118b9a9db revlog: split the content verification of a node into a separate method
Matt Harbison <matt_harbison@yahoo.com>
parents: 43779
diff changeset
164
7c3118b9a9db revlog: split the content verification of a node into a separate method
Matt Harbison <matt_harbison@yahoo.com>
parents: 43779
diff changeset
165
46310
fc2d5c0aed7f persistent-nodemap: add a "warn" option to the slow-path config
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45942
diff changeset
166 # True if a fast implementation for persistent-nodemap is available
fc2d5c0aed7f persistent-nodemap: add a "warn" option to the slow-path config
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45942
diff changeset
167 #
fc2d5c0aed7f persistent-nodemap: add a "warn" option to the slow-path config
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45942
diff changeset
168 # We also consider we have a "fast" implementation in "pure" python because
fc2d5c0aed7f persistent-nodemap: add a "warn" option to the slow-path config
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45942
diff changeset
169 # people using pure don't really have performance consideration (and a
fc2d5c0aed7f persistent-nodemap: add a "warn" option to the slow-path config
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45942
diff changeset
170 # wheelbarrow of other slowness source)
50925
d718eddf01d9 safehasattr: drop usage in favor of hasattr
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50811
diff changeset
171 HAS_FAST_PERSISTENT_NODEMAP = rustrevlog is not None or hasattr(
46310
fc2d5c0aed7f persistent-nodemap: add a "warn" option to the slow-path config
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45942
diff changeset
172 parsers, 'BaseIndexObject'
fc2d5c0aed7f persistent-nodemap: add a "warn" option to the slow-path config
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45942
diff changeset
173 )
fc2d5c0aed7f persistent-nodemap: add a "warn" option to the slow-path config
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45942
diff changeset
174
fc2d5c0aed7f persistent-nodemap: add a "warn" option to the slow-path config
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45942
diff changeset
175
39231
b41d023a412a repository: establish API for emitting revision deltas
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39192
diff changeset
176 @interfaceutil.implementer(repository.irevisiondelta)
39862
5a9ab91e0a45 revlog: new API to emit revision data
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39845
diff changeset
177 @attr.s(slots=True)
48946
642e31cb55f0 py3: use class X: instead of class X(object):
Gregory Szorc <gregory.szorc@gmail.com>
parents: 48928
diff changeset
178 class revlogrevisiondelta:
39231
b41d023a412a repository: establish API for emitting revision deltas
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39192
diff changeset
179 node = attr.ib()
b41d023a412a repository: establish API for emitting revision deltas
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39192
diff changeset
180 p1node = attr.ib()
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 39192
diff changeset
181 p2node = attr.ib()
b41d023a412a repository: establish API for emitting revision deltas
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39192
diff changeset
182 basenode = attr.ib()
b41d023a412a repository: establish API for emitting revision deltas
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39192
diff changeset
183 flags = attr.ib()
b41d023a412a repository: establish API for emitting revision deltas
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39192
diff changeset
184 baserevisionsize = attr.ib()
b41d023a412a repository: establish API for emitting revision deltas
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39192
diff changeset
185 revision = attr.ib()
b41d023a412a repository: establish API for emitting revision deltas
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39192
diff changeset
186 delta = attr.ib()
46712
e8c11a2c96c0 delta: add sidedata field to revision delta
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46711
diff changeset
187 sidedata = attr.ib()
47077
119790e1c67c cg4: introduce protocol flag to signify the presence of sidedata
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47075
diff changeset
188 protocol_flags = attr.ib()
39862
5a9ab91e0a45 revlog: new API to emit revision data
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39845
diff changeset
189 linknode = attr.ib(default=None)
39231
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 39192
diff changeset
190
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Augie Fackler <augie@google.com>
parents: 43039
diff changeset
191
39842
97986c9c69d3 verify: start to abstract file verification
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39831
diff changeset
192 @interfaceutil.implementer(repository.iverifyproblem)
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 39831
diff changeset
193 @attr.s(frozen=True)
48946
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 48928
diff changeset
194 class revlogproblem:
39842
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 39831
diff changeset
195 warning = attr.ib(default=None)
97986c9c69d3 verify: start to abstract file verification
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39831
diff changeset
196 error = attr.ib(default=None)
39872
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
197 node = attr.ib(default=None)
39842
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 39831
diff changeset
198
43076
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Augie Fackler <augie@google.com>
parents: 43039
diff changeset
199
47036
5e64c93d5f94 revlog: remove the revlogio class
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47034
diff changeset
200 def parse_index_v1(data, inline):
5e64c93d5f94 revlog: remove the revlogio class
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47034
diff changeset
201 # call the C implementation to parse the index data
5e64c93d5f94 revlog: remove the revlogio class
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47034
diff changeset
202 index, cache = parsers.parse_index2(data, inline)
5e64c93d5f94 revlog: remove the revlogio class
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47034
diff changeset
203 return index, cache
5e64c93d5f94 revlog: remove the revlogio class
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47034
diff changeset
204
5e64c93d5f94 revlog: remove the revlogio class
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47034
diff changeset
205
5e64c93d5f94 revlog: remove the revlogio class
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47034
diff changeset
206 def parse_index_v2(data, inline):
5e64c93d5f94 revlog: remove the revlogio class
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47034
diff changeset
207 # call the C implementation to parse the index data
48769
1bb62821f080 revlog: register changelogv2 C implementation in parsers
pacien <pacien.trangirard@pacien.net>
parents: 48765
diff changeset
208 index, cache = parsers.parse_index2(data, inline, format=REVLOGV2)
47036
5e64c93d5f94 revlog: remove the revlogio class
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47034
diff changeset
209 return index, cache
5e64c93d5f94 revlog: remove the revlogio class
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47034
diff changeset
210
5e64c93d5f94 revlog: remove the revlogio class
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47034
diff changeset
211
47270
25ce16bf724b changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47269
diff changeset
212 def parse_index_cl_v2(data, inline):
25ce16bf724b changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47269
diff changeset
213 # call the C implementation to parse the index data
48769
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pacien <pacien.trangirard@pacien.net>
parents: 48765
diff changeset
214 index, cache = parsers.parse_index2(data, inline, format=CHANGELOGV2)
47270
25ce16bf724b changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47269
diff changeset
215 return index, cache
25ce16bf724b changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47269
diff changeset
216
25ce16bf724b changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47269
diff changeset
217
50925
d718eddf01d9 safehasattr: drop usage in favor of hasattr
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50811
diff changeset
218 if hasattr(parsers, 'parse_index_devel_nodemap'):
47036
5e64c93d5f94 revlog: remove the revlogio class
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47034
diff changeset
219
5e64c93d5f94 revlog: remove the revlogio class
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47034
diff changeset
220 def parse_index_v1_nodemap(data, inline):
5e64c93d5f94 revlog: remove the revlogio class
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47034
diff changeset
221 index, cache = parsers.parse_index_devel_nodemap(data, inline)
5e64c93d5f94 revlog: remove the revlogio class
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47034
diff changeset
222 return index, cache
5e64c93d5f94 revlog: remove the revlogio class
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47034
diff changeset
223
5e64c93d5f94 revlog: remove the revlogio class
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47034
diff changeset
224
5e64c93d5f94 revlog: remove the revlogio class
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47034
diff changeset
225 else:
5e64c93d5f94 revlog: remove the revlogio class
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47034
diff changeset
226 parse_index_v1_nodemap = None
5e64c93d5f94 revlog: remove the revlogio class
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47034
diff changeset
227
5e64c93d5f94 revlog: remove the revlogio class
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47034
diff changeset
228
51251
f94c10334bcb rust-index: renamed `MixedIndex` as `Index`
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51250
diff changeset
229 def parse_index_v1_rust(data, inline, default_header):
51250
96e05f1a99bd rust-index: stop instantiating a C Index
Georges Racinet <georges.racinet@octobus.net>
parents: 51235
diff changeset
230 cache = (0, data) if inline else None
51251
f94c10334bcb rust-index: renamed `MixedIndex` as `Index`
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51250
diff changeset
231 return rustrevlog.Index(data, default_header), cache
4972
8d0cf46e0dc6 revlog: add revlogio interface
Matt Mackall <mpm@selenic.com>
parents: 4971
diff changeset
232
43076
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Augie Fackler <augie@google.com>
parents: 43039
diff changeset
233
25410
eee88912db0a revlog: raise an exception earlier if an entry is too large (issue4675)
Jordi Guti?rrez Hermoso <jordigh@octave.org>
parents: 25361
diff changeset
234 # corresponds to uncompressed length of indexformatng (2 gigs, 4-byte
eee88912db0a revlog: raise an exception earlier if an entry is too large (issue4675)
Jordi Guti?rrez Hermoso <jordigh@octave.org>
parents: 25361
diff changeset
235 # signed integer)
43076
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Augie Fackler <augie@google.com>
parents: 43039
diff changeset
236 _maxentrysize = 0x7FFFFFFF
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
237
47389
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47387
diff changeset
238 FILE_TOO_SHORT_MSG = _(
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47387
diff changeset
239 b'cannot read from revlog %s;'
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47387
diff changeset
240 b' expected %d bytes from offset %d, data size is %d'
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47387
diff changeset
241 )
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47387
diff changeset
242
49415
5fe7e9eda0f3 revlog: make _partialmatch fail fast on almost-hex inputs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 49306
diff changeset
243 hexdigits = b'0123456789abcdefABCDEF'
5fe7e9eda0f3 revlog: make _partialmatch fail fast on almost-hex inputs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 49306
diff changeset
244
25410
eee88912db0a revlog: raise an exception earlier if an entry is too large (issue4675)
Jordi Guti?rrez Hermoso <jordigh@octave.org>
parents: 25361
diff changeset
245
51027
177e7d6bf875 revlog: overwrite revlog config through copy of the config object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51026
diff changeset
246 class _Config:
177e7d6bf875 revlog: overwrite revlog config through copy of the config object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51026
diff changeset
247 def copy(self):
177e7d6bf875 revlog: overwrite revlog config through copy of the config object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51026
diff changeset
248 return self.__class__(**self.__dict__)
177e7d6bf875 revlog: overwrite revlog config through copy of the config object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51026
diff changeset
249
177e7d6bf875 revlog: overwrite revlog config through copy of the config object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51026
diff changeset
250
51026
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51023
diff changeset
251 @attr.s()
51027
177e7d6bf875 revlog: overwrite revlog config through copy of the config object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51026
diff changeset
252 class FeatureConfig(_Config):
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253 """Hold configuration values about the available revlog features"""
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254
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255 # the default compression engine
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256 compression_engine = attr.ib(default=b'zlib')
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257 # compression engines options
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258 compression_engine_options = attr.ib(default=attr.Factory(dict))
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259
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260 # can we use censor on this revlog
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261 censorable = attr.ib(default=False)
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262 # does this revlog use the "side data" feature
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263 has_side_data = attr.ib(default=False)
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264 # might remove rank configuration once the computation has no impact
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265 compute_rank = attr.ib(default=False)
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266 # parent order is supposed to be semantically irrelevant, so we
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267 # normally resort parents to ensure that the first parent is non-null,
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268 # if there is a non-null parent at all.
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269 # filelog abuses the parent order as flag to mark some instances of
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270 # meta-encoded files, so allow it to disable this behavior.
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271 canonical_parent_order = attr.ib(default=False)
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272 # can ellipsis commit be used
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273 enable_ellipsis = attr.ib(default=False)
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274
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275 def copy(self):
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276 new = super().copy()
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277 new.compression_engine_options = self.compression_engine_options.copy()
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278 return new
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279
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280
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281 @attr.s()
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282 class DataConfig(_Config):
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283 """Hold configuration value about how the revlog data are read"""
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284
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285 # should we try to open the "pending" version of the revlog
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286 try_pending = attr.ib(default=False)
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287 # should we try to open the "splitted" version of the revlog
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288 try_split = attr.ib(default=False)
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289 # When True, indexfile should be opened with checkambig=True at writing,
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290 # to avoid file stat ambiguity.
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291 check_ambig = attr.ib(default=False)
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292
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293 # If true, use mmap instead of reading to deal with large index
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294 mmap_large_index = attr.ib(default=False)
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295 # how much data is large
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296 mmap_index_threshold = attr.ib(default=None)
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297 # How much data to read and cache into the raw revlog data cache.
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298 chunk_cache_size = attr.ib(default=65536)
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299
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300 # The size of the uncompressed cache compared to the largest revision seen.
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301 uncompressed_cache_factor = attr.ib(default=None)
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302
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303 # The number of chunk cached
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304 uncompressed_cache_count = attr.ib(default=None)
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305
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306 # Allow sparse reading of the revlog data
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307 with_sparse_read = attr.ib(default=False)
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308 # minimal density of a sparse read chunk
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309 sr_density_threshold = attr.ib(default=0.50)
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310 # minimal size of data we skip when performing sparse read
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311 sr_min_gap_size = attr.ib(default=262144)
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312
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313 # are delta encoded against arbitrary bases.
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314 generaldelta = attr.ib(default=False)
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315
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316
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317 @attr.s()
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318 class DeltaConfig(_Config):
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319 """Hold configuration value about how new delta are computed
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320
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321 Some attributes are duplicated from DataConfig to help havign each object
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322 self contained.
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323 """
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324
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325 # can delta be encoded against arbitrary bases.
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326 general_delta = attr.ib(default=False)
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327 # Allow sparse writing of the revlog data
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328 sparse_revlog = attr.ib(default=False)
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329 # maximum length of a delta chain
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330 max_chain_len = attr.ib(default=None)
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331 # Maximum distance between delta chain base start and end
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332 max_deltachain_span = attr.ib(default=-1)
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333 # If `upper_bound_comp` is not None, this is the expected maximal gain from
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334 # compression for the data content.
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335 upper_bound_comp = attr.ib(default=None)
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336 # Should we try a delta against both parent
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337 delta_both_parents = attr.ib(default=True)
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338 # Test delta base candidate group by chunk of this maximal size.
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339 candidate_group_chunk_size = attr.ib(default=0)
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340 # Should we display debug information about delta computation
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341 debug_delta = attr.ib(default=False)
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342 # trust incoming delta by default
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343 lazy_delta = attr.ib(default=True)
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344 # trust the base of incoming delta by default
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345 lazy_delta_base = attr.ib(default=False)
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346
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347
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348 class _InnerRevlog:
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349 """An inner layer of the revlog object
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350
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351 That layer exist to be able to delegate some operation to Rust, its
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352 boundaries are arbitrary and based on what we can delegate to Rust.
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353 """
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354
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355 def __init__(
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356 self,
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357 opener,
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358 index,
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359 index_file,
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360 data_file,
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361 sidedata_file,
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362 inline,
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363 data_config,
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364 delta_config,
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365 feature_config,
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366 chunk_cache,
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367 default_compression_header,
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368 ):
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369 self.opener = opener
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370 self.index = index
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371
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372 self.index_file = index_file
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373 self.data_file = data_file
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374 self.sidedata_file = sidedata_file
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375 self.inline = inline
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diff changeset
376 self.data_config = data_config
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diff changeset
377 self.delta_config = delta_config
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diff changeset
378 self.feature_config = feature_config
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diff changeset
379
51103
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diff changeset
380 # used during diverted write.
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diff changeset
381 self._orig_index_file = None
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diff changeset
382
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diff changeset
383 self._default_compression_header = default_compression_header
51083
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diff changeset
384
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diff changeset
385 # index
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386
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diff changeset
387 # 3-tuple of file handles being used for active writing.
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diff changeset
388 self._writinghandles = None
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diff changeset
389
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parents: 51082
diff changeset
390 self._segmentfile = randomaccessfile.randomaccessfile(
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parents: 51082
diff changeset
391 self.opener,
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diff changeset
392 (self.index_file if self.inline else self.data_file),
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diff changeset
393 self.data_config.chunk_cache_size,
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diff changeset
394 chunk_cache,
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diff changeset
395 )
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parents: 51082
diff changeset
396 self._segmentfile_sidedata = randomaccessfile.randomaccessfile(
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parents: 51082
diff changeset
397 self.opener,
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diff changeset
398 self.sidedata_file,
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diff changeset
399 self.data_config.chunk_cache_size,
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diff changeset
400 )
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parents: 51082
diff changeset
401
51088
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diff changeset
402 # revlog header -> revlog compressor
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diff changeset
403 self._decompressors = {}
51093
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parents: 51092
diff changeset
404 # 3-tuple of (node, rev, text) for a raw revision.
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diff changeset
405 self._revisioncache = None
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diff changeset
406
51105
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diff changeset
407 # cache some uncompressed chunks
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diff changeset
408 # rev → uncompressed_chunk
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diff changeset
409 #
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diff changeset
410 # the max cost is dynamically updated to be proportionnal to the
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diff changeset
411 # size of revision we actually encounter.
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diff changeset
412 self._uncompressed_chunk_cache = None
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diff changeset
413 if self.data_config.uncompressed_cache_factor is not None:
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diff changeset
414 self._uncompressed_chunk_cache = util.lrucachedict(
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parents: 51104
diff changeset
415 self.data_config.uncompressed_cache_count,
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parents: 51104
diff changeset
416 maxcost=65536, # some arbitrary initial value
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diff changeset
417 )
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diff changeset
418
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diff changeset
419 self._delay_buffer = None
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diff changeset
420
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diff changeset
421 def __len__(self):
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diff changeset
422 return len(self.index)
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diff changeset
423
51098
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51096
diff changeset
424 def clear_cache(self):
51103
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diff changeset
425 assert not self.is_delaying
51098
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diff changeset
426 self._revisioncache = None
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diff changeset
427 if self._uncompressed_chunk_cache is not None:
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parents: 51104
diff changeset
428 self._uncompressed_chunk_cache.clear()
51098
045b5f745f93 revlog: consolidate cache invalidation within the inner objet
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diff changeset
429 self._segmentfile.clear_cache()
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diff changeset
430 self._segmentfile_sidedata.clear_cache()
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parents: 51096
diff changeset
431
51102
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parents: 51099
diff changeset
432 @property
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diff changeset
433 def canonical_index_file(self):
51103
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diff changeset
434 if self._orig_index_file is not None:
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diff changeset
435 return self._orig_index_file
51102
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diff changeset
436 return self.index_file
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diff changeset
437
51103
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diff changeset
438 @property
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diff changeset
439 def is_delaying(self):
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diff changeset
440 """is the revlog is currently delaying the visibility of written data?
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diff changeset
441
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diff changeset
442 The delaying mechanism can be either in-memory or written on disk in a
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diff changeset
443 side-file."""
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parents: 51102
diff changeset
444 return (self._delay_buffer is not None) or (
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parents: 51102
diff changeset
445 self._orig_index_file is not None
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parents: 51102
diff changeset
446 )
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parents: 51102
diff changeset
447
51083
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diff changeset
448 # Derived from index values.
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parents: 51082
diff changeset
449
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
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parents: 51082
diff changeset
450 def start(self, rev):
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
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parents: 51082
diff changeset
451 """the offset of the data chunk for this revision"""
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diff changeset
452 return int(self.index[rev][0] >> 16)
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parents: 51082
diff changeset
453
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
454 def length(self, rev):
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
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parents: 51082
diff changeset
455 """the length of the data chunk for this revision"""
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parents: 51082
diff changeset
456 return self.index[rev][1]
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parents: 51082
diff changeset
457
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diff changeset
458 def end(self, rev):
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
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parents: 51082
diff changeset
459 """the end of the data chunk for this revision"""
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
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parents: 51082
diff changeset
460 return self.start(rev) + self.length(rev)
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parents: 51082
diff changeset
461
51090
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diff changeset
462 def deltaparent(self, rev):
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parents: 51089
diff changeset
463 """return deltaparent of the given revision"""
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parents: 51089
diff changeset
464 base = self.index[rev][3]
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parents: 51089
diff changeset
465 if base == rev:
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parents: 51089
diff changeset
466 return nullrev
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parents: 51089
diff changeset
467 elif self.delta_config.general_delta:
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parents: 51089
diff changeset
468 return base
ff673b9da21f revlog: add a couple more of useful method on the inner object
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parents: 51089
diff changeset
469 else:
ff673b9da21f revlog: add a couple more of useful method on the inner object
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parents: 51089
diff changeset
470 return rev - 1
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parents: 51089
diff changeset
471
ff673b9da21f revlog: add a couple more of useful method on the inner object
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parents: 51089
diff changeset
472 def issnapshot(self, rev):
ff673b9da21f revlog: add a couple more of useful method on the inner object
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parents: 51089
diff changeset
473 """tells whether rev is a snapshot"""
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parents: 51089
diff changeset
474 if not self.delta_config.sparse_revlog:
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parents: 51089
diff changeset
475 return self.deltaparent(rev) == nullrev
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parents: 51089
diff changeset
476 elif hasattr(self.index, 'issnapshot'):
ff673b9da21f revlog: add a couple more of useful method on the inner object
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parents: 51089
diff changeset
477 # directly assign the method to cache the testing and access
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parents: 51089
diff changeset
478 self.issnapshot = self.index.issnapshot
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diff changeset
479 return self.issnapshot(rev)
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parents: 51089
diff changeset
480 if rev == nullrev:
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diff changeset
481 return True
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parents: 51089
diff changeset
482 entry = self.index[rev]
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parents: 51089
diff changeset
483 base = entry[3]
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parents: 51089
diff changeset
484 if base == rev:
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parents: 51089
diff changeset
485 return True
ff673b9da21f revlog: add a couple more of useful method on the inner object
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parents: 51089
diff changeset
486 if base == nullrev:
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parents: 51089
diff changeset
487 return True
ff673b9da21f revlog: add a couple more of useful method on the inner object
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parents: 51089
diff changeset
488 p1 = entry[5]
ff673b9da21f revlog: add a couple more of useful method on the inner object
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parents: 51089
diff changeset
489 while self.length(p1) == 0:
ff673b9da21f revlog: add a couple more of useful method on the inner object
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parents: 51089
diff changeset
490 b = self.deltaparent(p1)
ff673b9da21f revlog: add a couple more of useful method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51089
diff changeset
491 if b == p1:
ff673b9da21f revlog: add a couple more of useful method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51089
diff changeset
492 break
ff673b9da21f revlog: add a couple more of useful method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51089
diff changeset
493 p1 = b
ff673b9da21f revlog: add a couple more of useful method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51089
diff changeset
494 p2 = entry[6]
ff673b9da21f revlog: add a couple more of useful method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51089
diff changeset
495 while self.length(p2) == 0:
ff673b9da21f revlog: add a couple more of useful method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51089
diff changeset
496 b = self.deltaparent(p2)
ff673b9da21f revlog: add a couple more of useful method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51089
diff changeset
497 if b == p2:
ff673b9da21f revlog: add a couple more of useful method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51089
diff changeset
498 break
ff673b9da21f revlog: add a couple more of useful method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51089
diff changeset
499 p2 = b
ff673b9da21f revlog: add a couple more of useful method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51089
diff changeset
500 if base == p1 or base == p2:
ff673b9da21f revlog: add a couple more of useful method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51089
diff changeset
501 return False
ff673b9da21f revlog: add a couple more of useful method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51089
diff changeset
502 return self.issnapshot(base)
ff673b9da21f revlog: add a couple more of useful method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51089
diff changeset
503
51092
30f458fc59e9 revlog: move the `deltachain` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51091
diff changeset
504 def _deltachain(self, rev, stoprev=None):
30f458fc59e9 revlog: move the `deltachain` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51091
diff changeset
505 """Obtain the delta chain for a revision.
30f458fc59e9 revlog: move the `deltachain` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51091
diff changeset
506
30f458fc59e9 revlog: move the `deltachain` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51091
diff changeset
507 ``stoprev`` specifies a revision to stop at. If not specified, we
30f458fc59e9 revlog: move the `deltachain` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51091
diff changeset
508 stop at the base of the chain.
30f458fc59e9 revlog: move the `deltachain` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51091
diff changeset
509
30f458fc59e9 revlog: move the `deltachain` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51091
diff changeset
510 Returns a 2-tuple of (chain, stopped) where ``chain`` is a list of
30f458fc59e9 revlog: move the `deltachain` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51091
diff changeset
511 revs in ascending order and ``stopped`` is a bool indicating whether
30f458fc59e9 revlog: move the `deltachain` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51091
diff changeset
512 ``stoprev`` was hit.
30f458fc59e9 revlog: move the `deltachain` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51091
diff changeset
513 """
30f458fc59e9 revlog: move the `deltachain` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51091
diff changeset
514 generaldelta = self.delta_config.general_delta
30f458fc59e9 revlog: move the `deltachain` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51091
diff changeset
515 # Try C implementation.
30f458fc59e9 revlog: move the `deltachain` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51091
diff changeset
516 try:
30f458fc59e9 revlog: move the `deltachain` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51091
diff changeset
517 return self.index.deltachain(rev, stoprev, generaldelta)
30f458fc59e9 revlog: move the `deltachain` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51091
diff changeset
518 except AttributeError:
30f458fc59e9 revlog: move the `deltachain` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51091
diff changeset
519 pass
30f458fc59e9 revlog: move the `deltachain` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51091
diff changeset
520
30f458fc59e9 revlog: move the `deltachain` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51091
diff changeset
521 chain = []
30f458fc59e9 revlog: move the `deltachain` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51091
diff changeset
522
30f458fc59e9 revlog: move the `deltachain` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51091
diff changeset
523 # Alias to prevent attribute lookup in tight loop.
30f458fc59e9 revlog: move the `deltachain` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51091
diff changeset
524 index = self.index
30f458fc59e9 revlog: move the `deltachain` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51091
diff changeset
525
30f458fc59e9 revlog: move the `deltachain` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51091
diff changeset
526 iterrev = rev
30f458fc59e9 revlog: move the `deltachain` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51091
diff changeset
527 e = index[iterrev]
30f458fc59e9 revlog: move the `deltachain` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51091
diff changeset
528 while iterrev != e[3] and iterrev != stoprev:
30f458fc59e9 revlog: move the `deltachain` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51091
diff changeset
529 chain.append(iterrev)
30f458fc59e9 revlog: move the `deltachain` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51091
diff changeset
530 if generaldelta:
30f458fc59e9 revlog: move the `deltachain` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51091
diff changeset
531 iterrev = e[3]
30f458fc59e9 revlog: move the `deltachain` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51091
diff changeset
532 else:
30f458fc59e9 revlog: move the `deltachain` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51091
diff changeset
533 iterrev -= 1
30f458fc59e9 revlog: move the `deltachain` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51091
diff changeset
534 e = index[iterrev]
30f458fc59e9 revlog: move the `deltachain` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51091
diff changeset
535
30f458fc59e9 revlog: move the `deltachain` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51091
diff changeset
536 if iterrev == stoprev:
30f458fc59e9 revlog: move the `deltachain` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51091
diff changeset
537 stopped = True
30f458fc59e9 revlog: move the `deltachain` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51091
diff changeset
538 else:
30f458fc59e9 revlog: move the `deltachain` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51091
diff changeset
539 chain.append(iterrev)
30f458fc59e9 revlog: move the `deltachain` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51091
diff changeset
540 stopped = False
30f458fc59e9 revlog: move the `deltachain` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51091
diff changeset
541
30f458fc59e9 revlog: move the `deltachain` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51091
diff changeset
542 chain.reverse()
30f458fc59e9 revlog: move the `deltachain` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51091
diff changeset
543 return chain, stopped
30f458fc59e9 revlog: move the `deltachain` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51091
diff changeset
544
51088
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
545 @util.propertycache
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
546 def _compressor(self):
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
547 engine = util.compengines[self.feature_config.compression_engine]
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
548 return engine.revlogcompressor(
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
549 self.feature_config.compression_engine_options
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
550 )
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
551
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
552 @util.propertycache
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
553 def _decompressor(self):
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
554 """the default decompressor"""
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
555 if self._default_compression_header is None:
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
556 return None
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
557 t = self._default_compression_header
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
558 c = self._get_decompressor(t)
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
559 return c.decompress
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
560
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
561 def _get_decompressor(self, t):
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
562 try:
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
563 compressor = self._decompressors[t]
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
564 except KeyError:
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
565 try:
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
566 engine = util.compengines.forrevlogheader(t)
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
567 compressor = engine.revlogcompressor(
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
568 self.feature_config.compression_engine_options
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
569 )
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
570 self._decompressors[t] = compressor
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
571 except KeyError:
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
572 raise error.RevlogError(
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
573 _(b'unknown compression type %s') % binascii.hexlify(t)
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
574 )
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
575 return compressor
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
576
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
577 def compress(self, data):
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
578 """Generate a possibly-compressed representation of data."""
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
579 if not data:
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
580 return b'', data
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
581
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
582 compressed = self._compressor.compress(data)
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
583
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
584 if compressed:
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
585 # The revlog compressor added the header in the returned data.
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
586 return b'', compressed
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
587
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
588 if data[0:1] == b'\0':
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
589 return b'', data
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
590 return b'u', data
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
591
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
592 def decompress(self, data):
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
593 """Decompress a revlog chunk.
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
594
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
595 The chunk is expected to begin with a header identifying the
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
596 format type so it can be routed to an appropriate decompressor.
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
597 """
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
598 if not data:
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
599 return data
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
600
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
601 # Revlogs are read much more frequently than they are written and many
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
602 # chunks only take microseconds to decompress, so performance is
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
603 # important here.
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
604 #
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
605 # We can make a few assumptions about revlogs:
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
606 #
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
607 # 1) the majority of chunks will be compressed (as opposed to inline
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
608 # raw data).
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
609 # 2) decompressing *any* data will likely by at least 10x slower than
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
610 # returning raw inline data.
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
611 # 3) we want to prioritize common and officially supported compression
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
612 # engines
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
613 #
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
614 # It follows that we want to optimize for "decompress compressed data
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
615 # when encoded with common and officially supported compression engines"
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
616 # case over "raw data" and "data encoded by less common or non-official
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
617 # compression engines." That is why we have the inline lookup first
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
618 # followed by the compengines lookup.
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
619 #
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
620 # According to `hg perfrevlogchunks`, this is ~0.5% faster for zlib
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
621 # compressed chunks. And this matters for changelog and manifest reads.
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
622 t = data[0:1]
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
623
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
624 if t == b'x':
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
625 try:
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
626 return _zlibdecompress(data)
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
627 except zlib.error as e:
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
628 raise error.RevlogError(
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
629 _(b'revlog decompress error: %s')
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
630 % stringutil.forcebytestr(e)
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
631 )
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
632 # '\0' is more common than 'u' so it goes first.
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
633 elif t == b'\0':
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
634 return data
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
635 elif t == b'u':
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
636 return util.buffer(data, 1)
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
637
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
638 compressor = self._get_decompressor(t)
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
639
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
640 return compressor.decompress(data)
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
641
51083
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
642 @contextlib.contextmanager
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
643 def reading(self):
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
644 """Context manager that keeps data and sidedata files open for reading"""
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
645 if len(self.index) == 0:
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
646 yield # nothing to be read
51179
a93e52f0b6ff changelog: disallow delayed write on inline changesets
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51178
diff changeset
647 elif self._delay_buffer is not None and self.inline:
a93e52f0b6ff changelog: disallow delayed write on inline changesets
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51178
diff changeset
648 msg = "revlog with delayed write should not be inline"
a93e52f0b6ff changelog: disallow delayed write on inline changesets
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51178
diff changeset
649 raise error.ProgrammingError(msg)
51083
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
650 else:
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
651 with self._segmentfile.reading():
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
652 with self._segmentfile_sidedata.reading():
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
653 yield
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
654
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
655 @property
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
656 def is_writing(self):
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
657 """True is a writing context is open"""
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
658 return self._writinghandles is not None
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
659
51099
594f912818ab changelog-delay: adds some check around delaying and diverting write
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51098
diff changeset
660 @property
594f912818ab changelog-delay: adds some check around delaying and diverting write
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51098
diff changeset
661 def is_open(self):
594f912818ab changelog-delay: adds some check around delaying and diverting write
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51098
diff changeset
662 """True if any file handle is being held
594f912818ab changelog-delay: adds some check around delaying and diverting write
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51098
diff changeset
663
594f912818ab changelog-delay: adds some check around delaying and diverting write
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51098
diff changeset
664 Used for assert and debug in the python code"""
594f912818ab changelog-delay: adds some check around delaying and diverting write
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51098
diff changeset
665 return self._segmentfile.is_open or self._segmentfile_sidedata.is_open
594f912818ab changelog-delay: adds some check around delaying and diverting write
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51098
diff changeset
666
51083
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
667 @contextlib.contextmanager
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
668 def writing(self, transaction, data_end=None, sidedata_end=None):
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
669 """Open the revlog files for writing
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
670
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
671 Add content to a revlog should be done within such context.
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
672 """
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
673 if self.is_writing:
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
674 yield
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
675 else:
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
676 ifh = dfh = sdfh = None
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
677 try:
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
678 r = len(self.index)
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
679 # opening the data file.
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
680 dsize = 0
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
681 if r:
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
682 dsize = self.end(r - 1)
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
683 dfh = None
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
684 if not self.inline:
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
685 try:
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
686 dfh = self.opener(self.data_file, mode=b"r+")
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
687 if data_end is None:
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
688 dfh.seek(0, os.SEEK_END)
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
689 else:
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
690 dfh.seek(data_end, os.SEEK_SET)
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
691 except FileNotFoundError:
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
692 dfh = self.opener(self.data_file, mode=b"w+")
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
693 transaction.add(self.data_file, dsize)
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
694 if self.sidedata_file is not None:
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
695 assert sidedata_end is not None
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
696 # revlog-v2 does not inline, help Pytype
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
697 assert dfh is not None
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
698 try:
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
699 sdfh = self.opener(self.sidedata_file, mode=b"r+")
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
700 dfh.seek(sidedata_end, os.SEEK_SET)
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
701 except FileNotFoundError:
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
702 sdfh = self.opener(self.sidedata_file, mode=b"w+")
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
703 transaction.add(self.sidedata_file, sidedata_end)
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
704
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
705 # opening the index file.
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
706 isize = r * self.index.entry_size
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
707 ifh = self.__index_write_fp()
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
708 if self.inline:
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
709 transaction.add(self.index_file, dsize + isize)
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
710 else:
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
711 transaction.add(self.index_file, isize)
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
712 # exposing all file handle for writing.
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
713 self._writinghandles = (ifh, dfh, sdfh)
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
714 self._segmentfile.writing_handle = ifh if self.inline else dfh
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
715 self._segmentfile_sidedata.writing_handle = sdfh
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
716 yield
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
717 finally:
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
718 self._writinghandles = None
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
719 self._segmentfile.writing_handle = None
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
720 self._segmentfile_sidedata.writing_handle = None
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
721 if dfh is not None:
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
722 dfh.close()
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
723 if sdfh is not None:
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
724 sdfh.close()
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
725 # closing the index file last to avoid exposing referent to
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
726 # potential unflushed data content.
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
727 if ifh is not None:
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
728 ifh.close()
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
729
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
730 def __index_write_fp(self, index_end=None):
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
731 """internal method to open the index file for writing
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
732
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
733 You should not use this directly and use `_writing` instead
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
734 """
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
735 try:
51103
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
736 if self._delay_buffer is None:
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
737 f = self.opener(
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
738 self.index_file,
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
739 mode=b"r+",
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
740 checkambig=self.data_config.check_ambig,
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
741 )
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
742 else:
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
743 # check_ambig affect we way we open file for writing, however
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
744 # here, we do not actually open a file for writting as write
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
745 # will appened to a delay_buffer. So check_ambig is not
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
746 # meaningful and unneeded here.
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
747 f = randomaccessfile.appender(
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
748 self.opener, self.index_file, b"r+", self._delay_buffer
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
749 )
51083
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
750 if index_end is None:
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
751 f.seek(0, os.SEEK_END)
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
752 else:
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
753 f.seek(index_end, os.SEEK_SET)
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
754 return f
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
755 except FileNotFoundError:
51103
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
756 if self._delay_buffer is None:
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
757 return self.opener(
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
758 self.index_file,
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
759 mode=b"w+",
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
760 checkambig=self.data_config.check_ambig,
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
761 )
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
762 else:
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
763 return randomaccessfile.appender(
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
764 self.opener, self.index_file, b"w+", self._delay_buffer
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
765 )
51083
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
766
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
767 def __index_new_fp(self):
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
768 """internal method to create a new index file for writing
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
769
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
770 You should not use this unless you are upgrading from inline revlog
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
771 """
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
772 return self.opener(
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
773 self.index_file,
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
774 mode=b"w",
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
775 checkambig=self.data_config.check_ambig,
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
776 )
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
777
51087
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
778 def split_inline(self, tr, header, new_index_file_path=None):
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
779 """split the data of an inline revlog into an index and a data file"""
51161
962974a5d068 revlog: add one more assert about state of thing when splitting
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51155
diff changeset
780 assert self._delay_buffer is None
51087
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
781 existing_handles = False
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
782 if self._writinghandles is not None:
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
783 existing_handles = True
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
784 fp = self._writinghandles[0]
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
785 fp.flush()
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
786 fp.close()
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
787 # We can't use the cached file handle after close(). So prevent
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
788 # its usage.
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
789 self._writinghandles = None
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
790 self._segmentfile.writing_handle = None
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
791 # No need to deal with sidedata writing handle as it is only
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
792 # relevant with revlog-v2 which is never inline, not reaching
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
793 # this code
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
794
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
795 new_dfh = self.opener(self.data_file, mode=b"w+")
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
796 new_dfh.truncate(0) # drop any potentially existing data
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
797 try:
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
798 with self.reading():
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
799 for r in range(len(self.index)):
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
800 new_dfh.write(self.get_segment_for_revs(r, r)[1])
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
801 new_dfh.flush()
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
802
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
803 if new_index_file_path is not None:
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
804 self.index_file = new_index_file_path
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
805 with self.__index_new_fp() as fp:
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
806 self.inline = False
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
807 for i in range(len(self.index)):
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
808 e = self.index.entry_binary(i)
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
809 if i == 0:
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
810 packed_header = self.index.pack_header(header)
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
811 e = packed_header + e
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
812 fp.write(e)
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
813
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
814 # If we don't use side-write, the temp file replace the real
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
815 # index when we exit the context manager
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
816
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
817 self._segmentfile = randomaccessfile.randomaccessfile(
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
818 self.opener,
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
819 self.data_file,
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
820 self.data_config.chunk_cache_size,
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
821 )
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
822
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
823 if existing_handles:
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
824 # switched from inline to conventional reopen the index
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
825 ifh = self.__index_write_fp()
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
826 self._writinghandles = (ifh, new_dfh, None)
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
827 self._segmentfile.writing_handle = new_dfh
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
828 new_dfh = None
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
829 # No need to deal with sidedata writing handle as it is only
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
830 # relevant with revlog-v2 which is never inline, not reaching
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
831 # this code
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
832 finally:
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
833 if new_dfh is not None:
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
834 new_dfh.close()
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
835 return self.index_file
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
836
51084
df50a1592e0c revlog: move _getsegmentforrevs on the internal object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51083
diff changeset
837 def get_segment_for_revs(self, startrev, endrev):
df50a1592e0c revlog: move _getsegmentforrevs on the internal object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51083
diff changeset
838 """Obtain a segment of raw data corresponding to a range of revisions.
df50a1592e0c revlog: move _getsegmentforrevs on the internal object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51083
diff changeset
839
df50a1592e0c revlog: move _getsegmentforrevs on the internal object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51083
diff changeset
840 Accepts the start and end revisions and an optional already-open
df50a1592e0c revlog: move _getsegmentforrevs on the internal object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51083
diff changeset
841 file handle to be used for reading. If the file handle is read, its
df50a1592e0c revlog: move _getsegmentforrevs on the internal object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51083
diff changeset
842 seek position will not be preserved.
df50a1592e0c revlog: move _getsegmentforrevs on the internal object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51083
diff changeset
843
df50a1592e0c revlog: move _getsegmentforrevs on the internal object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51083
diff changeset
844 Requests for data may be satisfied by a cache.
df50a1592e0c revlog: move _getsegmentforrevs on the internal object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51083
diff changeset
845
df50a1592e0c revlog: move _getsegmentforrevs on the internal object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51083
diff changeset
846 Returns a 2-tuple of (offset, data) for the requested range of
df50a1592e0c revlog: move _getsegmentforrevs on the internal object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51083
diff changeset
847 revisions. Offset is the integer offset from the beginning of the
df50a1592e0c revlog: move _getsegmentforrevs on the internal object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51083
diff changeset
848 revlog and data is a str or buffer of the raw byte data.
df50a1592e0c revlog: move _getsegmentforrevs on the internal object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51083
diff changeset
849
df50a1592e0c revlog: move _getsegmentforrevs on the internal object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51083
diff changeset
850 Callers will need to call ``self.start(rev)`` and ``self.length(rev)``
df50a1592e0c revlog: move _getsegmentforrevs on the internal object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51083
diff changeset
851 to determine where each revision's data begins and ends.
df50a1592e0c revlog: move _getsegmentforrevs on the internal object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51083
diff changeset
852
df50a1592e0c revlog: move _getsegmentforrevs on the internal object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51083
diff changeset
853 API: we should consider making this a private part of the InnerRevlog
df50a1592e0c revlog: move _getsegmentforrevs on the internal object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51083
diff changeset
854 at some point.
df50a1592e0c revlog: move _getsegmentforrevs on the internal object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51083
diff changeset
855 """
df50a1592e0c revlog: move _getsegmentforrevs on the internal object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51083
diff changeset
856 # Inlined self.start(startrev) & self.end(endrev) for perf reasons
df50a1592e0c revlog: move _getsegmentforrevs on the internal object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51083
diff changeset
857 # (functions are expensive).
df50a1592e0c revlog: move _getsegmentforrevs on the internal object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51083
diff changeset
858 index = self.index
df50a1592e0c revlog: move _getsegmentforrevs on the internal object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51083
diff changeset
859 istart = index[startrev]
df50a1592e0c revlog: move _getsegmentforrevs on the internal object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51083
diff changeset
860 start = int(istart[0] >> 16)
df50a1592e0c revlog: move _getsegmentforrevs on the internal object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51083
diff changeset
861 if startrev == endrev:
df50a1592e0c revlog: move _getsegmentforrevs on the internal object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51083
diff changeset
862 end = start + istart[1]
df50a1592e0c revlog: move _getsegmentforrevs on the internal object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51083
diff changeset
863 else:
df50a1592e0c revlog: move _getsegmentforrevs on the internal object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51083
diff changeset
864 iend = index[endrev]
df50a1592e0c revlog: move _getsegmentforrevs on the internal object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51083
diff changeset
865 end = int(iend[0] >> 16) + iend[1]
df50a1592e0c revlog: move _getsegmentforrevs on the internal object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51083
diff changeset
866
df50a1592e0c revlog: move _getsegmentforrevs on the internal object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51083
diff changeset
867 if self.inline:
df50a1592e0c revlog: move _getsegmentforrevs on the internal object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51083
diff changeset
868 start += (startrev + 1) * self.index.entry_size
df50a1592e0c revlog: move _getsegmentforrevs on the internal object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51083
diff changeset
869 end += (endrev + 1) * self.index.entry_size
df50a1592e0c revlog: move _getsegmentforrevs on the internal object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51083
diff changeset
870 length = end - start
df50a1592e0c revlog: move _getsegmentforrevs on the internal object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51083
diff changeset
871
df50a1592e0c revlog: move _getsegmentforrevs on the internal object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51083
diff changeset
872 return start, self._segmentfile.read_chunk(start, length)
df50a1592e0c revlog: move _getsegmentforrevs on the internal object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51083
diff changeset
873
51089
9c8df10ea6e0 revlog: move the `_chunk` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51088
diff changeset
874 def _chunk(self, rev):
9c8df10ea6e0 revlog: move the `_chunk` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51088
diff changeset
875 """Obtain a single decompressed chunk for a revision.
9c8df10ea6e0 revlog: move the `_chunk` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51088
diff changeset
876
9c8df10ea6e0 revlog: move the `_chunk` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51088
diff changeset
877 Accepts an integer revision and an optional already-open file handle
9c8df10ea6e0 revlog: move the `_chunk` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51088
diff changeset
878 to be used for reading. If used, the seek position of the file will not
9c8df10ea6e0 revlog: move the `_chunk` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51088
diff changeset
879 be preserved.
9c8df10ea6e0 revlog: move the `_chunk` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51088
diff changeset
880
9c8df10ea6e0 revlog: move the `_chunk` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51088
diff changeset
881 Returns a str holding uncompressed data for the requested revision.
9c8df10ea6e0 revlog: move the `_chunk` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51088
diff changeset
882 """
51105
0250e45040f1 revlog: add a small cache of unfiltered chunk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51104
diff changeset
883 if self._uncompressed_chunk_cache is not None:
0250e45040f1 revlog: add a small cache of unfiltered chunk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51104
diff changeset
884 uncomp = self._uncompressed_chunk_cache.get(rev)
0250e45040f1 revlog: add a small cache of unfiltered chunk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51104
diff changeset
885 if uncomp is not None:
0250e45040f1 revlog: add a small cache of unfiltered chunk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51104
diff changeset
886 return uncomp
0250e45040f1 revlog: add a small cache of unfiltered chunk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51104
diff changeset
887
51089
9c8df10ea6e0 revlog: move the `_chunk` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51088
diff changeset
888 compression_mode = self.index[rev][10]
9c8df10ea6e0 revlog: move the `_chunk` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51088
diff changeset
889 data = self.get_segment_for_revs(rev, rev)[1]
9c8df10ea6e0 revlog: move the `_chunk` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51088
diff changeset
890 if compression_mode == COMP_MODE_PLAIN:
51105
0250e45040f1 revlog: add a small cache of unfiltered chunk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51104
diff changeset
891 uncomp = data
51089
9c8df10ea6e0 revlog: move the `_chunk` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51088
diff changeset
892 elif compression_mode == COMP_MODE_DEFAULT:
51105
0250e45040f1 revlog: add a small cache of unfiltered chunk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51104
diff changeset
893 uncomp = self._decompressor(data)
51089
9c8df10ea6e0 revlog: move the `_chunk` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51088
diff changeset
894 elif compression_mode == COMP_MODE_INLINE:
51105
0250e45040f1 revlog: add a small cache of unfiltered chunk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51104
diff changeset
895 uncomp = self.decompress(data)
51089
9c8df10ea6e0 revlog: move the `_chunk` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51088
diff changeset
896 else:
9c8df10ea6e0 revlog: move the `_chunk` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51088
diff changeset
897 msg = b'unknown compression mode %d'
9c8df10ea6e0 revlog: move the `_chunk` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51088
diff changeset
898 msg %= compression_mode
9c8df10ea6e0 revlog: move the `_chunk` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51088
diff changeset
899 raise error.RevlogError(msg)
51105
0250e45040f1 revlog: add a small cache of unfiltered chunk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51104
diff changeset
900 if self._uncompressed_chunk_cache is not None:
0250e45040f1 revlog: add a small cache of unfiltered chunk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51104
diff changeset
901 self._uncompressed_chunk_cache.insert(rev, uncomp, cost=len(uncomp))
0250e45040f1 revlog: add a small cache of unfiltered chunk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51104
diff changeset
902 return uncomp
51089
9c8df10ea6e0 revlog: move the `_chunk` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51088
diff changeset
903
51091
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
904 def _chunks(self, revs, targetsize=None):
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
905 """Obtain decompressed chunks for the specified revisions.
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
906
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
907 Accepts an iterable of numeric revisions that are assumed to be in
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
908 ascending order. Also accepts an optional already-open file handle
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
909 to be used for reading. If used, the seek position of the file will
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
910 not be preserved.
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
911
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
912 This function is similar to calling ``self._chunk()`` multiple times,
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
913 but is faster.
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
914
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
915 Returns a list with decompressed data for each requested revision.
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
916 """
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
917 if not revs:
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
918 return []
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
919 start = self.start
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
920 length = self.length
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
921 inline = self.inline
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
922 iosize = self.index.entry_size
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
923 buffer = util.buffer
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
924
51105
0250e45040f1 revlog: add a small cache of unfiltered chunk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51104
diff changeset
925 fetched_revs = []
0250e45040f1 revlog: add a small cache of unfiltered chunk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51104
diff changeset
926 fadd = fetched_revs.append
0250e45040f1 revlog: add a small cache of unfiltered chunk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51104
diff changeset
927
51104
c2d2e5b65def revlog: minor refactor in the chunk gather process
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51103
diff changeset
928 chunks = []
c2d2e5b65def revlog: minor refactor in the chunk gather process
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51103
diff changeset
929 ladd = chunks.append
51091
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
930
51105
0250e45040f1 revlog: add a small cache of unfiltered chunk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51104
diff changeset
931 if self._uncompressed_chunk_cache is None:
0250e45040f1 revlog: add a small cache of unfiltered chunk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51104
diff changeset
932 fetched_revs = revs
0250e45040f1 revlog: add a small cache of unfiltered chunk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51104
diff changeset
933 else:
0250e45040f1 revlog: add a small cache of unfiltered chunk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51104
diff changeset
934 for rev in revs:
0250e45040f1 revlog: add a small cache of unfiltered chunk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51104
diff changeset
935 cached_value = self._uncompressed_chunk_cache.get(rev)
0250e45040f1 revlog: add a small cache of unfiltered chunk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51104
diff changeset
936 if cached_value is None:
0250e45040f1 revlog: add a small cache of unfiltered chunk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51104
diff changeset
937 fadd(rev)
0250e45040f1 revlog: add a small cache of unfiltered chunk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51104
diff changeset
938 else:
0250e45040f1 revlog: add a small cache of unfiltered chunk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51104
diff changeset
939 ladd((rev, cached_value))
0250e45040f1 revlog: add a small cache of unfiltered chunk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51104
diff changeset
940
0250e45040f1 revlog: add a small cache of unfiltered chunk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51104
diff changeset
941 if not fetched_revs:
0250e45040f1 revlog: add a small cache of unfiltered chunk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51104
diff changeset
942 slicedchunks = ()
0250e45040f1 revlog: add a small cache of unfiltered chunk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51104
diff changeset
943 elif not self.data_config.with_sparse_read:
0250e45040f1 revlog: add a small cache of unfiltered chunk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51104
diff changeset
944 slicedchunks = (fetched_revs,)
51091
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
945 else:
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
946 slicedchunks = deltautil.slicechunk(
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
947 self,
51105
0250e45040f1 revlog: add a small cache of unfiltered chunk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51104
diff changeset
948 fetched_revs,
51091
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
949 targetsize=targetsize,
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
950 )
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
951
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
952 for revschunk in slicedchunks:
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
953 firstrev = revschunk[0]
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
954 # Skip trailing revisions with empty diff
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
955 for lastrev in revschunk[::-1]:
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
956 if length(lastrev) != 0:
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
957 break
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
958
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
959 try:
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
960 offset, data = self.get_segment_for_revs(firstrev, lastrev)
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
961 except OverflowError:
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
962 # issue4215 - we can't cache a run of chunks greater than
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
963 # 2G on Windows
51104
c2d2e5b65def revlog: minor refactor in the chunk gather process
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51103
diff changeset
964 for rev in revschunk:
c2d2e5b65def revlog: minor refactor in the chunk gather process
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51103
diff changeset
965 ladd((rev, self._chunk(rev)))
51091
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
966
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
967 decomp = self.decompress
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
968 # self._decompressor might be None, but will not be used in that case
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
969 def_decomp = self._decompressor
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
970 for rev in revschunk:
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
971 chunkstart = start(rev)
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
972 if inline:
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
973 chunkstart += (rev + 1) * iosize
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
974 chunklength = length(rev)
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
975 comp_mode = self.index[rev][10]
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
976 c = buffer(data, chunkstart - offset, chunklength)
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
977 if comp_mode == COMP_MODE_PLAIN:
51104
c2d2e5b65def revlog: minor refactor in the chunk gather process
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51103
diff changeset
978 c = c
51091
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
979 elif comp_mode == COMP_MODE_INLINE:
51104
c2d2e5b65def revlog: minor refactor in the chunk gather process
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51103
diff changeset
980 c = decomp(c)
51091
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
981 elif comp_mode == COMP_MODE_DEFAULT:
51104
c2d2e5b65def revlog: minor refactor in the chunk gather process
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51103
diff changeset
982 c = def_decomp(c)
51091
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
983 else:
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
984 msg = b'unknown compression mode %d'
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
985 msg %= comp_mode
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
986 raise error.RevlogError(msg)
51104
c2d2e5b65def revlog: minor refactor in the chunk gather process
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51103
diff changeset
987 ladd((rev, c))
51105
0250e45040f1 revlog: add a small cache of unfiltered chunk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51104
diff changeset
988 if self._uncompressed_chunk_cache is not None:
0250e45040f1 revlog: add a small cache of unfiltered chunk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51104
diff changeset
989 self._uncompressed_chunk_cache.insert(rev, c, len(c))
0250e45040f1 revlog: add a small cache of unfiltered chunk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51104
diff changeset
990
0250e45040f1 revlog: add a small cache of unfiltered chunk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51104
diff changeset
991 chunks.sort()
51104
c2d2e5b65def revlog: minor refactor in the chunk gather process
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51103
diff changeset
992 return [x[1] for x in chunks]
51091
e8ad6d8de8b8 revlog: move the `_chunks` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51090
diff changeset
993
51094
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
994 def raw_text(self, node, rev):
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
995 """return the possibly unvalidated rawtext for a revision
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
996
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
997 returns (rev, rawtext, validated)
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
998 """
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
999
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
1000 # revision in the cache (could be useful to apply delta)
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
1001 cachedrev = None
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
1002 # An intermediate text to apply deltas to
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
1003 basetext = None
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
1004
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
1005 # Check if we have the entry in cache
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
1006 # The cache entry looks like (node, rev, rawtext)
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
1007 if self._revisioncache:
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
1008 cachedrev = self._revisioncache[1]
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
1009
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
1010 chain, stopped = self._deltachain(rev, stoprev=cachedrev)
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
1011 if stopped:
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
1012 basetext = self._revisioncache[2]
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
1013
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
1014 # drop cache to save memory, the caller is expected to
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
1015 # update self._inner._revisioncache after validating the text
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
1016 self._revisioncache = None
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
1017
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
1018 targetsize = None
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
1019 rawsize = self.index[rev][2]
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
1020 if 0 <= rawsize:
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
1021 targetsize = 4 * rawsize
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
1022
51105
0250e45040f1 revlog: add a small cache of unfiltered chunk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51104
diff changeset
1023 if self._uncompressed_chunk_cache is not None:
0250e45040f1 revlog: add a small cache of unfiltered chunk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51104
diff changeset
1024 # dynamically update the uncompressed_chunk_cache size to the
0250e45040f1 revlog: add a small cache of unfiltered chunk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51104
diff changeset
1025 # largest revision we saw in this revlog.
0250e45040f1 revlog: add a small cache of unfiltered chunk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51104
diff changeset
1026 factor = self.data_config.uncompressed_cache_factor
0250e45040f1 revlog: add a small cache of unfiltered chunk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51104
diff changeset
1027 candidate_size = rawsize * factor
0250e45040f1 revlog: add a small cache of unfiltered chunk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51104
diff changeset
1028 if candidate_size > self._uncompressed_chunk_cache.maxcost:
0250e45040f1 revlog: add a small cache of unfiltered chunk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51104
diff changeset
1029 self._uncompressed_chunk_cache.maxcost = candidate_size
0250e45040f1 revlog: add a small cache of unfiltered chunk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51104
diff changeset
1030
51094
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
1031 bins = self._chunks(chain, targetsize=targetsize)
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
1032 if basetext is None:
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
1033 basetext = bytes(bins[0])
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
1034 bins = bins[1:]
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
1035
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
1036 rawtext = mdiff.patches(basetext, bins)
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
1037 del basetext # let us have a chance to free memory early
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
1038 return (rev, rawtext, False)
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
1039
51095
49d75cc12b8f revlog: move `sidedata` in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51094
diff changeset
1040 def sidedata(self, rev, sidedata_end):
49d75cc12b8f revlog: move `sidedata` in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51094
diff changeset
1041 """Return the sidedata for a given revision number."""
49d75cc12b8f revlog: move `sidedata` in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51094
diff changeset
1042 index_entry = self.index[rev]
49d75cc12b8f revlog: move `sidedata` in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51094
diff changeset
1043 sidedata_offset = index_entry[8]
49d75cc12b8f revlog: move `sidedata` in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51094
diff changeset
1044 sidedata_size = index_entry[9]
49d75cc12b8f revlog: move `sidedata` in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51094
diff changeset
1045
49d75cc12b8f revlog: move `sidedata` in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51094
diff changeset
1046 if self.inline:
49d75cc12b8f revlog: move `sidedata` in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51094
diff changeset
1047 sidedata_offset += self.index.entry_size * (1 + rev)
49d75cc12b8f revlog: move `sidedata` in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51094
diff changeset
1048 if sidedata_size == 0:
49d75cc12b8f revlog: move `sidedata` in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51094
diff changeset
1049 return {}
49d75cc12b8f revlog: move `sidedata` in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51094
diff changeset
1050
49d75cc12b8f revlog: move `sidedata` in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51094
diff changeset
1051 if sidedata_end < sidedata_offset + sidedata_size:
49d75cc12b8f revlog: move `sidedata` in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51094
diff changeset
1052 filename = self.sidedata_file
49d75cc12b8f revlog: move `sidedata` in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51094
diff changeset
1053 end = sidedata_end
49d75cc12b8f revlog: move `sidedata` in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51094
diff changeset
1054 offset = sidedata_offset
49d75cc12b8f revlog: move `sidedata` in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51094
diff changeset
1055 length = sidedata_size
49d75cc12b8f revlog: move `sidedata` in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51094
diff changeset
1056 m = FILE_TOO_SHORT_MSG % (filename, length, offset, end)
49d75cc12b8f revlog: move `sidedata` in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51094
diff changeset
1057 raise error.RevlogError(m)
49d75cc12b8f revlog: move `sidedata` in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51094
diff changeset
1058
49d75cc12b8f revlog: move `sidedata` in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51094
diff changeset
1059 comp_segment = self._segmentfile_sidedata.read_chunk(
49d75cc12b8f revlog: move `sidedata` in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51094
diff changeset
1060 sidedata_offset, sidedata_size
49d75cc12b8f revlog: move `sidedata` in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51094
diff changeset
1061 )
49d75cc12b8f revlog: move `sidedata` in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51094
diff changeset
1062
49d75cc12b8f revlog: move `sidedata` in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51094
diff changeset
1063 comp = self.index[rev][11]
49d75cc12b8f revlog: move `sidedata` in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51094
diff changeset
1064 if comp == COMP_MODE_PLAIN:
49d75cc12b8f revlog: move `sidedata` in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51094
diff changeset
1065 segment = comp_segment
49d75cc12b8f revlog: move `sidedata` in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51094
diff changeset
1066 elif comp == COMP_MODE_DEFAULT:
49d75cc12b8f revlog: move `sidedata` in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51094
diff changeset
1067 segment = self._decompressor(comp_segment)
49d75cc12b8f revlog: move `sidedata` in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51094
diff changeset
1068 elif comp == COMP_MODE_INLINE:
49d75cc12b8f revlog: move `sidedata` in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51094
diff changeset
1069 segment = self.decompress(comp_segment)
49d75cc12b8f revlog: move `sidedata` in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51094
diff changeset
1070 else:
49d75cc12b8f revlog: move `sidedata` in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51094
diff changeset
1071 msg = b'unknown compression mode %d'
49d75cc12b8f revlog: move `sidedata` in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51094
diff changeset
1072 msg %= comp
49d75cc12b8f revlog: move `sidedata` in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51094
diff changeset
1073 raise error.RevlogError(msg)
49d75cc12b8f revlog: move `sidedata` in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51094
diff changeset
1074
49d75cc12b8f revlog: move `sidedata` in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51094
diff changeset
1075 sidedata = sidedatautil.deserialize_sidedata(segment)
49d75cc12b8f revlog: move `sidedata` in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51094
diff changeset
1076 return sidedata
49d75cc12b8f revlog: move `sidedata` in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51094
diff changeset
1077
51096
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1078 def write_entry(
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1079 self,
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1080 transaction,
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1081 entry,
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1082 data,
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1083 link,
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1084 offset,
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1085 sidedata,
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1086 sidedata_offset,
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1087 index_end,
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1088 data_end,
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1089 sidedata_end,
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1090 ):
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1091 # Files opened in a+ mode have inconsistent behavior on various
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1092 # platforms. Windows requires that a file positioning call be made
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1093 # when the file handle transitions between reads and writes. See
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1094 # 3686fa2b8eee and the mixedfilemodewrapper in windows.py. On other
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1095 # platforms, Python or the platform itself can be buggy. Some versions
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1096 # of Solaris have been observed to not append at the end of the file
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1097 # if the file was seeked to before the end. See issue4943 for more.
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1098 #
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1099 # We work around this issue by inserting a seek() before writing.
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1100 # Note: This is likely not necessary on Python 3. However, because
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1101 # the file handle is reused for reads and may be seeked there, we need
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1102 # to be careful before changing this.
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1103 if self._writinghandles is None:
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1104 msg = b'adding revision outside `revlog._writing` context'
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1105 raise error.ProgrammingError(msg)
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1106 ifh, dfh, sdfh = self._writinghandles
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1107 if index_end is None:
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1108 ifh.seek(0, os.SEEK_END)
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1109 else:
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1110 ifh.seek(index_end, os.SEEK_SET)
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1111 if dfh:
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1112 if data_end is None:
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1113 dfh.seek(0, os.SEEK_END)
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1114 else:
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1115 dfh.seek(data_end, os.SEEK_SET)
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1116 if sdfh:
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1117 sdfh.seek(sidedata_end, os.SEEK_SET)
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1118
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1119 curr = len(self.index) - 1
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1120 if not self.inline:
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1121 transaction.add(self.data_file, offset)
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1122 if self.sidedata_file:
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1123 transaction.add(self.sidedata_file, sidedata_offset)
51102
af96fbb8f739 revlog: add a `canonical_index_file` attribute on inner revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51099
diff changeset
1124 transaction.add(self.canonical_index_file, curr * len(entry))
51096
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1125 if data[0]:
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1126 dfh.write(data[0])
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1127 dfh.write(data[1])
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1128 if sidedata:
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1129 sdfh.write(sidedata)
51103
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1130 if self._delay_buffer is None:
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1131 ifh.write(entry)
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1132 else:
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1133 self._delay_buffer.append(entry)
51179
a93e52f0b6ff changelog: disallow delayed write on inline changesets
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51178
diff changeset
1134 elif self._delay_buffer is not None:
a93e52f0b6ff changelog: disallow delayed write on inline changesets
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51178
diff changeset
1135 msg = b'invalid delayed write on inline revlog'
a93e52f0b6ff changelog: disallow delayed write on inline changesets
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51178
diff changeset
1136 raise error.ProgrammingError(msg)
51096
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1137 else:
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1138 offset += curr * self.index.entry_size
51102
af96fbb8f739 revlog: add a `canonical_index_file` attribute on inner revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51099
diff changeset
1139 transaction.add(self.canonical_index_file, offset)
51096
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1140 assert not sidedata
51179
a93e52f0b6ff changelog: disallow delayed write on inline changesets
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51178
diff changeset
1141 ifh.write(entry)
a93e52f0b6ff changelog: disallow delayed write on inline changesets
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51178
diff changeset
1142 ifh.write(data[0])
a93e52f0b6ff changelog: disallow delayed write on inline changesets
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51178
diff changeset
1143 ifh.write(data[1])
51096
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1144 return (
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1145 ifh.tell(),
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1146 dfh.tell() if dfh else None,
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1147 sdfh.tell() if sdfh else None,
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1148 )
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
1149
51103
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1150 def _divert_index(self):
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1151 return self.index_file + b'.a'
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1152
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1153 def delay(self):
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1154 assert not self.is_open
51179
a93e52f0b6ff changelog: disallow delayed write on inline changesets
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51178
diff changeset
1155 if self.inline:
a93e52f0b6ff changelog: disallow delayed write on inline changesets
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51178
diff changeset
1156 msg = "revlog with delayed write should not be inline"
a93e52f0b6ff changelog: disallow delayed write on inline changesets
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51178
diff changeset
1157 raise error.ProgrammingError(msg)
51103
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1158 if self._delay_buffer is not None or self._orig_index_file is not None:
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1159 # delay or divert already in place
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1160 return None
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1161 elif len(self.index) == 0:
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1162 self._orig_index_file = self.index_file
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1163 self.index_file = self._divert_index()
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1164 assert self._orig_index_file is not None
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1165 assert self.index_file is not None
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1166 if self.opener.exists(self.index_file):
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1167 self.opener.unlink(self.index_file)
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1168 return self.index_file
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1169 else:
51162
66417f55ea33 revlog: avoid exposing delayed index entry too widely in non-inline revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51161
diff changeset
1170 self._delay_buffer = []
51103
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1171 return None
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1172
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1173 def write_pending(self):
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1174 assert not self.is_open
51179
a93e52f0b6ff changelog: disallow delayed write on inline changesets
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51178
diff changeset
1175 if self.inline:
a93e52f0b6ff changelog: disallow delayed write on inline changesets
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51178
diff changeset
1176 msg = "revlog with delayed write should not be inline"
a93e52f0b6ff changelog: disallow delayed write on inline changesets
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51178
diff changeset
1177 raise error.ProgrammingError(msg)
51103
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1178 if self._orig_index_file is not None:
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1179 return None, True
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1180 any_pending = False
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1181 pending_index_file = self._divert_index()
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1182 if self.opener.exists(pending_index_file):
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1183 self.opener.unlink(pending_index_file)
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1184 util.copyfile(
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1185 self.opener.join(self.index_file),
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1186 self.opener.join(pending_index_file),
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1187 )
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1188 if self._delay_buffer:
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1189 with self.opener(pending_index_file, b'r+') as ifh:
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1190 ifh.seek(0, os.SEEK_END)
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1191 ifh.write(b"".join(self._delay_buffer))
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1192 any_pending = True
51162
66417f55ea33 revlog: avoid exposing delayed index entry too widely in non-inline revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51161
diff changeset
1193 self._delay_buffer = None
51103
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1194 self._orig_index_file = self.index_file
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1195 self.index_file = pending_index_file
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1196 return self.index_file, any_pending
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1197
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1198 def finalize_pending(self):
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1199 assert not self.is_open
51179
a93e52f0b6ff changelog: disallow delayed write on inline changesets
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51178
diff changeset
1200 if self.inline:
a93e52f0b6ff changelog: disallow delayed write on inline changesets
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51178
diff changeset
1201 msg = "revlog with delayed write should not be inline"
a93e52f0b6ff changelog: disallow delayed write on inline changesets
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51178
diff changeset
1202 raise error.ProgrammingError(msg)
51103
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1203
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1204 delay = self._delay_buffer is not None
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1205 divert = self._orig_index_file is not None
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1206
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1207 if delay and divert:
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1208 assert False, "unreachable"
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1209 elif delay:
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1210 if self._delay_buffer:
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1211 with self.opener(self.index_file, b'r+') as ifh:
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1212 ifh.seek(0, os.SEEK_END)
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1213 ifh.write(b"".join(self._delay_buffer))
51179
a93e52f0b6ff changelog: disallow delayed write on inline changesets
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51178
diff changeset
1214 self._delay_buffer = None
51103
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1215 elif divert:
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1216 if self.opener.exists(self.index_file):
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1217 self.opener.rename(
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1218 self.index_file,
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1219 self._orig_index_file,
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1220 checkambig=True,
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1221 )
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1222 self.index_file = self._orig_index_file
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1223 self._orig_index_file = None
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1224 else:
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1225 msg = b"not delay or divert found on this revlog"
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1226 raise error.ProgrammingError(msg)
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1227 return self.canonical_index_file
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
1228
51083
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
1229
48946
642e31cb55f0 py3: use class X: instead of class X(object):
Gregory Szorc <gregory.szorc@gmail.com>
parents: 48928
diff changeset
1230 class revlog:
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1231 """
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1232 the underlying revision storage object
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1233
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1234 A revlog consists of two parts, an index and the revision data.
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1235
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1236 The index is a file with a fixed record size containing
6912
b92baef99ebf Fixed docstring typos
Martin Geisler <mg@daimi.au.dk>
parents: 6891
diff changeset
1237 information on each revision, including its nodeid (hash), the
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1238 nodeids of its parents, the position and offset of its data within
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1239 the data file, and the revision it's based on. Finally, each entry
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1240 contains a linkrev entry that can serve as a pointer to external
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1241 data.
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1242
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1243 The revision data itself is a linear collection of data chunks.
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1244 Each chunk represents a revision and is usually represented as a
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1245 delta against the previous chunk. To bound lookup time, runs of
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1246 deltas are limited to about 2 times the length of the original
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1247 version data. This makes retrieval of a version proportional to
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1248 its size, or O(1) relative to the number of revisions.
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1249
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1250 Both pieces of the revlog are written to in an append-only
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1251 fashion, which means we never need to rewrite a file to insert or
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1252 remove data, and can use some simple techniques to avoid the need
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1253 for locking while reading.
29997
b5e5ddf48bd2 revlog: specify checkambig at writing to avoid file stat ambiguity
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29830
diff changeset
1254
b5e5ddf48bd2 revlog: specify checkambig at writing to avoid file stat ambiguity
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29830
diff changeset
1255 If checkambig, indexfile is opened with checkambig=True at
b5e5ddf48bd2 revlog: specify checkambig at writing to avoid file stat ambiguity
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29830
diff changeset
1256 writing, to avoid file stat ambiguity.
34296
3c9691728237 revlog: add option to mmap revlog index
Mark Thomas <mbthomas@fb.com>
parents: 34291
diff changeset
1257
3c9691728237 revlog: add option to mmap revlog index
Mark Thomas <mbthomas@fb.com>
parents: 34291
diff changeset
1258 If mmaplargeindex is True, and an mmapindexthreshold is set, the
3c9691728237 revlog: add option to mmap revlog index
Mark Thomas <mbthomas@fb.com>
parents: 34291
diff changeset
1259 index will be mmapped rather than read if it is larger than the
3c9691728237 revlog: add option to mmap revlog index
Mark Thomas <mbthomas@fb.com>
parents: 34291
diff changeset
1260 configured threshold.
37443
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
1261
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
1262 If censorable is True, the revlog can have censored revisions.
42462
bc4373babd04 revlog: add the option to track the expected compression upper bound
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42452
diff changeset
1263
bc4373babd04 revlog: add the option to track the expected compression upper bound
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42452
diff changeset
1264 If `upperboundcomp` is not None, this is the expected maximal gain from
bc4373babd04 revlog: add the option to track the expected compression upper bound
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42452
diff changeset
1265 compression for the data content.
46607
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46509
diff changeset
1266
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46509
diff changeset
1267 `concurrencychecker` is an optional function that receives 3 arguments: a
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46509
diff changeset
1268 file handle, a filename, and an expected position. It should check whether
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46509
diff changeset
1269 the current position in the file handle is valid, and log/warn/fail (by
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46509
diff changeset
1270 raising).
47246
02a4463565ea revlog: improve documentation of the entry tuple
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47245
diff changeset
1271
47393
7a0ec25d5836 revlog: move entry documentation alongside new related constants
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47391
diff changeset
1272 See mercurial/revlogutils/contants.py for details about the content of an
7a0ec25d5836 revlog: move entry documentation alongside new related constants
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47391
diff changeset
1273 index entry.
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1274 """
42994
3674797ae8b9 flagprocessors: move _flagserrorclass attribute on revlog & co
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42993
diff changeset
1275
3674797ae8b9 flagprocessors: move _flagserrorclass attribute on revlog & co
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42993
diff changeset
1276 _flagserrorclass = error.RevlogError
3674797ae8b9 flagprocessors: move _flagserrorclass attribute on revlog & co
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42993
diff changeset
1277
50683
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1278 @staticmethod
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1279 def is_inline_index(header_bytes):
50999
4ea606568f61 revlog: document the `is_inline_index` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50926
diff changeset
1280 """Determine if a revlog is inline from the initial bytes of the index"""
51074
74c004a515bc stream-clone: fix a crash when a repo with an empty revlog is cloned
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 50811
diff changeset
1281 if len(header_bytes) == 0:
74c004a515bc stream-clone: fix a crash when a repo with an empty revlog is cloned
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 50811
diff changeset
1282 return True
74c004a515bc stream-clone: fix a crash when a repo with an empty revlog is cloned
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 50811
diff changeset
1283
50683
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1284 header = INDEX_HEADER.unpack(header_bytes)[0]
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1285
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1286 _format_flags = header & ~0xFFFF
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1287 _format_version = header & 0xFFFF
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1288
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1289 features = FEATURES_BY_VERSION[_format_version]
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1290 return features[b'inline'](_format_flags)
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1291
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1292 def __init__(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1293 self,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1294 opener,
47072
4c041c71ec01 revlog: introduce an explicit tracking of what the revlog is about
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47042
diff changeset
1295 target,
47150
8d3c2f9d4af7 revlog: use a "radix" to address revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47149
diff changeset
1296 radix,
47240
4f38ada3fc26 revlog: move the `trypending` logic from the `changelog` to the `revlog`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47239
diff changeset
1297 postfix=None, # only exist for `tmpcensored` now
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1298 checkambig=False,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1299 mmaplargeindex=False,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1300 censorable=False,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1301 upperboundcomp=None,
44308
5962fd0d1045 nodemap: write nodemap data on disk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44073
diff changeset
1302 persistentnodemap=False,
46607
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46509
diff changeset
1303 concurrencychecker=None,
47240
4f38ada3fc26 revlog: move the `trypending` logic from the `changelog` to the `revlog`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47239
diff changeset
1304 trypending=False,
50316
87f0155d68aa revlog: improve the robustness of the splitting process
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49828
diff changeset
1305 try_split=False,
49012
5b65721a75eb revlog: recommit 49fd21f32695 with a fix for issue6528
Joerg Sonnenberger <joerg@bec.de>
parents: 48946
diff changeset
1306 canonical_parent_order=True,
51154
c136c797740e revlog: allow explicit passing of config to revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51115
diff changeset
1307 data_config=None,
c136c797740e revlog: allow explicit passing of config to revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51115
diff changeset
1308 delta_config=None,
c136c797740e revlog: allow explicit passing of config to revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51115
diff changeset
1309 feature_config=None,
51155
e9eac01c57f3 revlog: add a `may_inline` argument to revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51154
diff changeset
1310 may_inline=True, # may inline new revlog
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1311 ):
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1312 """
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1313 create a revlog object
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1314
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1315 opener is a function that abstracts the file opening operation
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1316 and can be used to implement COW semantics or the like.
42462
bc4373babd04 revlog: add the option to track the expected compression upper bound
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42452
diff changeset
1317
47072
4c041c71ec01 revlog: introduce an explicit tracking of what the revlog is about
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47042
diff changeset
1318 `target`: a (KIND, ID) tuple that identify the content stored in
4c041c71ec01 revlog: introduce an explicit tracking of what the revlog is about
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47042
diff changeset
1319 this revlog. It help the rest of the code to understand what the revlog
4c041c71ec01 revlog: introduce an explicit tracking of what the revlog is about
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47042
diff changeset
1320 is about without having to resort to heuristic and index filename
4c041c71ec01 revlog: introduce an explicit tracking of what the revlog is about
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47042
diff changeset
1321 analysis. Note: that this must be reliably be set by normal code, but
4c041c71ec01 revlog: introduce an explicit tracking of what the revlog is about
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47042
diff changeset
1322 that test, debug, or performance measurement code might not set this to
4c041c71ec01 revlog: introduce an explicit tracking of what the revlog is about
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47042
diff changeset
1323 accurate value.
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1324 """
47150
8d3c2f9d4af7 revlog: use a "radix" to address revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47149
diff changeset
1325
8d3c2f9d4af7 revlog: use a "radix" to address revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47149
diff changeset
1326 self.radix = radix
8d3c2f9d4af7 revlog: use a "radix" to address revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47149
diff changeset
1327
47234
616b8f412676 revlogv2: introduce a very basic docket file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47231
diff changeset
1328 self._docket_file = None
47168
cacb08f357ed revlog: define the actual index and datafile at loading time
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47167
diff changeset
1329 self._indexfile = None
cacb08f357ed revlog: define the actual index and datafile at loading time
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47167
diff changeset
1330 self._datafile = None
47389
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47387
diff changeset
1331 self._sidedatafile = None
47164
04f2f94836a5 revlog: rename `nodemap_file` to `_nodemap_file`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47163
diff changeset
1332 self._nodemap_file = None
47145
c6b8d5d91e73 revlog: deal with special "postfix" explicitely
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47144
diff changeset
1333 self.postfix = postfix
47240
4f38ada3fc26 revlog: move the `trypending` logic from the `changelog` to the `revlog`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47239
diff changeset
1334 self._trypending = trypending
50316
87f0155d68aa revlog: improve the robustness of the splitting process
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49828
diff changeset
1335 self._try_split = try_split
51155
e9eac01c57f3 revlog: add a `may_inline` argument to revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51154
diff changeset
1336 self._may_inline = may_inline
47151
24be247a13b4 revlog: stop usage of `_indexfile` to computing nodemap path
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47150
diff changeset
1337 self.opener = opener
44308
5962fd0d1045 nodemap: write nodemap data on disk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44073
diff changeset
1338 if persistentnodemap:
47164
04f2f94836a5 revlog: rename `nodemap_file` to `_nodemap_file`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47163
diff changeset
1339 self._nodemap_file = nodemaputil.get_nodemap_file(self)
47151
24be247a13b4 revlog: stop usage of `_indexfile` to computing nodemap path
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47150
diff changeset
1340
47072
4c041c71ec01 revlog: introduce an explicit tracking of what the revlog is about
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47042
diff changeset
1341 assert target[0] in ALL_KINDS
4c041c71ec01 revlog: introduce an explicit tracking of what the revlog is about
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47042
diff changeset
1342 assert len(target) == 2
4c041c71ec01 revlog: introduce an explicit tracking of what the revlog is about
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47042
diff changeset
1343 self.target = target
51154
c136c797740e revlog: allow explicit passing of config to revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51115
diff changeset
1344 if feature_config is not None:
c136c797740e revlog: allow explicit passing of config to revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51115
diff changeset
1345 self.feature_config = feature_config.copy()
c136c797740e revlog: allow explicit passing of config to revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51115
diff changeset
1346 elif b'feature-config' in self.opener.options:
51028
133f5a54ed9d revlog: create the revlog object at the repository level
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51027
diff changeset
1347 self.feature_config = self.opener.options[b'feature-config'].copy()
133f5a54ed9d revlog: create the revlog object at the repository level
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51027
diff changeset
1348 else:
133f5a54ed9d revlog: create the revlog object at the repository level
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51027
diff changeset
1349 self.feature_config = FeatureConfig()
133f5a54ed9d revlog: create the revlog object at the repository level
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51027
diff changeset
1350 self.feature_config.censorable = censorable
133f5a54ed9d revlog: create the revlog object at the repository level
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51027
diff changeset
1351 self.feature_config.canonical_parent_order = canonical_parent_order
51154
c136c797740e revlog: allow explicit passing of config to revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51115
diff changeset
1352 if data_config is not None:
c136c797740e revlog: allow explicit passing of config to revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51115
diff changeset
1353 self.data_config = data_config.copy()
c136c797740e revlog: allow explicit passing of config to revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51115
diff changeset
1354 elif b'data-config' in self.opener.options:
51028
133f5a54ed9d revlog: create the revlog object at the repository level
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51027
diff changeset
1355 self.data_config = self.opener.options[b'data-config'].copy()
133f5a54ed9d revlog: create the revlog object at the repository level
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51027
diff changeset
1356 else:
133f5a54ed9d revlog: create the revlog object at the repository level
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51027
diff changeset
1357 self.data_config = DataConfig()
133f5a54ed9d revlog: create the revlog object at the repository level
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51027
diff changeset
1358 self.data_config.check_ambig = checkambig
133f5a54ed9d revlog: create the revlog object at the repository level
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51027
diff changeset
1359 self.data_config.mmap_large_index = mmaplargeindex
51154
c136c797740e revlog: allow explicit passing of config to revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51115
diff changeset
1360 if delta_config is not None:
c136c797740e revlog: allow explicit passing of config to revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51115
diff changeset
1361 self.delta_config = delta_config.copy()
c136c797740e revlog: allow explicit passing of config to revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51115
diff changeset
1362 elif b'delta-config' in self.opener.options:
51028
133f5a54ed9d revlog: create the revlog object at the repository level
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51027
diff changeset
1363 self.delta_config = self.opener.options[b'delta-config'].copy()
133f5a54ed9d revlog: create the revlog object at the repository level
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51027
diff changeset
1364 else:
133f5a54ed9d revlog: create the revlog object at the repository level
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51027
diff changeset
1365 self.delta_config = DeltaConfig()
51080
5645524c6b62 revlog: also migrates `revlog.upperboundcomp` to ConfigClass
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51079
diff changeset
1366 self.delta_config.upper_bound_comp = upperboundcomp
51026
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51023
diff changeset
1367
29830
92ac2baaea86 revlog: use an LRU cache for delta chain bases
Gregory Szorc <gregory.szorc@gmail.com>
parents: 29829
diff changeset
1368 # Maps rev to chain base rev.
92ac2baaea86 revlog: use an LRU cache for delta chain bases
Gregory Szorc <gregory.szorc@gmail.com>
parents: 29829
diff changeset
1369 self._chainbasecache = util.lrucachedict(100)
51026
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51023
diff changeset
1370
43525
845e5b313783 revlog: move the nodemap into the index object (for pure)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43524
diff changeset
1371 self.index = None
47234
616b8f412676 revlogv2: introduce a very basic docket file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47231
diff changeset
1372 self._docket = None
44323
76a96e3a2bbb nodemap: keep track of the docket for loaded data
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44320
diff changeset
1373 self._nodemap_docket = None
27070
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1374 # Mapping of partial identifiers to full nodes.
13258
c2661863f16f revlog: introduce a cache for partial lookups
Matt Mackall <mpm@selenic.com>
parents: 13254
diff changeset
1375 self._pcache = {}
4985
e6525e459157 revlog: simplify revlog.__init__
Matt Mackall <mpm@selenic.com>
parents: 4984
diff changeset
1376
49663
45d7b8c380d7 changelog-v2: add a configuration to disable rank computation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49657
diff changeset
1377 # other optionnals features
45d7b8c380d7 changelog-v2: add a configuration to disable rank computation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49657
diff changeset
1378
39768
7b2b42fc377a revlog: store flag processors per revlog
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39767
diff changeset
1379 # Make copy of flag processors so each revlog instance can support
7b2b42fc377a revlog: store flag processors per revlog
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39767
diff changeset
1380 # custom flags.
42729
05c80f9ef100 flagutil: move the `flagprocessors` mapping in the new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42728
diff changeset
1381 self._flagprocessors = dict(flagutil.flagprocessors)
47214
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47213
diff changeset
1382 # prevent nesting of addgroup
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47213
diff changeset
1383 self._adding_group = None
40627
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40626
diff changeset
1384
51083
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
1385 chunk_cache = self._loadindex()
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
1386 self._load_inner(chunk_cache)
46607
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46509
diff changeset
1387 self._concurrencychecker = concurrencychecker
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46509
diff changeset
1388
47144
b6e1fe7ac24b revlog: split the option initialisation in its own method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47143
diff changeset
1389 def _init_opts(self):
b6e1fe7ac24b revlog: split the option initialisation in its own method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47143
diff changeset
1390 """process options (from above/config) to setup associated default revlog mode
b6e1fe7ac24b revlog: split the option initialisation in its own method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47143
diff changeset
1391
b6e1fe7ac24b revlog: split the option initialisation in its own method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47143
diff changeset
1392 These values might be affected when actually reading on disk information.
b6e1fe7ac24b revlog: split the option initialisation in its own method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47143
diff changeset
1393
b6e1fe7ac24b revlog: split the option initialisation in its own method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47143
diff changeset
1394 The relevant values are returned for use in _loadindex().
b6e1fe7ac24b revlog: split the option initialisation in its own method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47143
diff changeset
1395
b6e1fe7ac24b revlog: split the option initialisation in its own method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47143
diff changeset
1396 * newversionflags:
b6e1fe7ac24b revlog: split the option initialisation in its own method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47143
diff changeset
1397 version header to use if we need to create a new revlog
b6e1fe7ac24b revlog: split the option initialisation in its own method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47143
diff changeset
1398
b6e1fe7ac24b revlog: split the option initialisation in its own method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47143
diff changeset
1399 * mmapindexthreshold:
b6e1fe7ac24b revlog: split the option initialisation in its own method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47143
diff changeset
1400 minimal index size for start to use mmap
b6e1fe7ac24b revlog: split the option initialisation in its own method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47143
diff changeset
1401
b6e1fe7ac24b revlog: split the option initialisation in its own method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47143
diff changeset
1402 * force_nodemap:
b6e1fe7ac24b revlog: split the option initialisation in its own method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47143
diff changeset
1403 force the usage of a "development" version of the nodemap code
b6e1fe7ac24b revlog: split the option initialisation in its own method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47143
diff changeset
1404 """
43025
3518da504303 vfs: give all vfs an options attribute by default
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43024
diff changeset
1405 opts = self.opener.options
41200
cecf3f8bccd3 revlog: always process opener options
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41115
diff changeset
1406
47263
6c84fc9c9a90 changelogv2: introduce a "changelogv2" feature
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47261
diff changeset
1407 if b'changelogv2' in opts and self.revlog_kind == KIND_CHANGELOG:
47266
921648d31553 changelogv2: use a dedicated version number
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47263
diff changeset
1408 new_header = CHANGELOGV2
51026
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51023
diff changeset
1409 compute_rank = opts.get(b'changelogv2.compute-rank', True)
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51023
diff changeset
1410 self.feature_config.compute_rank = compute_rank
47263
6c84fc9c9a90 changelogv2: introduce a "changelogv2" feature
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47261
diff changeset
1411 elif b'revlogv2' in opts:
47261
80164d50ae3d revlogv2: no longer attempt to use inline for new revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47259
diff changeset
1412 new_header = REVLOGV2
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
1413 elif b'revlogv1' in opts:
51155
e9eac01c57f3 revlog: add a `may_inline` argument to revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51154
diff changeset
1414 new_header = REVLOGV1
e9eac01c57f3 revlog: add a `may_inline` argument to revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51154
diff changeset
1415 if self._may_inline:
e9eac01c57f3 revlog: add a `may_inline` argument to revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51154
diff changeset
1416 new_header |= FLAG_INLINE_DATA
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
1417 if b'generaldelta' in opts:
47171
729668105901 revlog: rename `newversionflags` to `new_header`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47170
diff changeset
1418 new_header |= FLAG_GENERALDELTA
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
1419 elif b'revlogv0' in self.opener.options:
47171
729668105901 revlog: rename `newversionflags` to `new_header`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47170
diff changeset
1420 new_header = REVLOGV0
41200
cecf3f8bccd3 revlog: always process opener options
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41115
diff changeset
1421 else:
47171
729668105901 revlog: rename `newversionflags` to `new_header`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47170
diff changeset
1422 new_header = REVLOG_DEFAULT_VERSION
41200
cecf3f8bccd3 revlog: always process opener options
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41115
diff changeset
1423
51039
027bc364524b revlog: skip opener options to pass mmap_index_threshold value
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51038
diff changeset
1424 mmapindexthreshold = None
51046
3977068c638c revlog: remove legacy usage of `_mmaplargeindex`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51045
diff changeset
1425 if self.data_config.mmap_large_index:
51039
027bc364524b revlog: skip opener options to pass mmap_index_threshold value
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51038
diff changeset
1426 mmapindexthreshold = self.data_config.mmap_index_threshold
51038
683b96c416d8 revlog: skip opener options to pass enable_ellipsis
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51037
diff changeset
1427 if self.feature_config.enable_ellipsis:
41200
cecf3f8bccd3 revlog: always process opener options
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41115
diff changeset
1428 self._flagprocessors[REVIDX_ELLIPSIS] = ellipsisprocessor
cecf3f8bccd3 revlog: always process opener options
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41115
diff changeset
1429
cecf3f8bccd3 revlog: always process opener options
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41115
diff changeset
1430 # revlog v0 doesn't have flag processors
48928
ceafb0f81250 revlog: remove pycompat.iteritems()
Gregory Szorc <gregory.szorc@gmail.com>
parents: 48913
diff changeset
1431 for flag, processor in opts.get(b'flagprocessors', {}).items():
42731
5109217a9ab6 flagutil: move insertflagprocessor to the new module (API)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42730
diff changeset
1432 flagutil.insertflagprocessor(flag, processor, self._flagprocessors)
40267
9d5ddf55415b revlog: allow flag processors to be applied via store options
Matt Harbison <matt_harbison@yahoo.com>
parents: 40180
diff changeset
1433
51026
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51023
diff changeset
1434 chunk_cache_size = self.data_config.chunk_cache_size
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51023
diff changeset
1435 if chunk_cache_size <= 0:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1436 raise error.RevlogError(
43117
8ff1ecfadcd1 cleanup: join string literals that are already on one line
Martin von Zweigbergk <martinvonz@google.com>
parents: 43106
diff changeset
1437 _(b'revlog chunk cache size %r is not greater than 0')
51026
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51023
diff changeset
1438 % chunk_cache_size
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1439 )
51026
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51023
diff changeset
1440 elif chunk_cache_size & (chunk_cache_size - 1):
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1441 raise error.RevlogError(
43117
8ff1ecfadcd1 cleanup: join string literals that are already on one line
Martin von Zweigbergk <martinvonz@google.com>
parents: 43106
diff changeset
1442 _(b'revlog chunk cache size %r is not a power of 2')
51026
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51023
diff changeset
1443 % chunk_cache_size
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1444 )
47144
b6e1fe7ac24b revlog: split the option initialisation in its own method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47143
diff changeset
1445 force_nodemap = opts.get(b'devel-force-nodemap', False)
47171
729668105901 revlog: rename `newversionflags` to `new_header`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47170
diff changeset
1446 return new_header, mmapindexthreshold, force_nodemap
47144
b6e1fe7ac24b revlog: split the option initialisation in its own method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47143
diff changeset
1447
47238
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47235
diff changeset
1448 def _get_data(self, filepath, mmap_threshold, size=None):
47169
a13f72b9ccfb revlog: move index reading logic in a dedicated method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47168
diff changeset
1449 """return a file content with or without mmap
a13f72b9ccfb revlog: move index reading logic in a dedicated method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47168
diff changeset
1450
a13f72b9ccfb revlog: move index reading logic in a dedicated method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47168
diff changeset
1451 If the file is missing return the empty string"""
a13f72b9ccfb revlog: move index reading logic in a dedicated method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47168
diff changeset
1452 try:
a13f72b9ccfb revlog: move index reading logic in a dedicated method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47168
diff changeset
1453 with self.opener(filepath) as fp:
a13f72b9ccfb revlog: move index reading logic in a dedicated method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47168
diff changeset
1454 if mmap_threshold is not None:
a13f72b9ccfb revlog: move index reading logic in a dedicated method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47168
diff changeset
1455 file_size = self.opener.fstat(fp).st_size
a13f72b9ccfb revlog: move index reading logic in a dedicated method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47168
diff changeset
1456 if file_size >= mmap_threshold:
47238
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47235
diff changeset
1457 if size is not None:
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47235
diff changeset
1458 # avoid potentiel mmap crash
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47235
diff changeset
1459 size = min(file_size, size)
47169
a13f72b9ccfb revlog: move index reading logic in a dedicated method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47168
diff changeset
1460 # TODO: should .close() to release resources without
a13f72b9ccfb revlog: move index reading logic in a dedicated method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47168
diff changeset
1461 # relying on Python GC
47238
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47235
diff changeset
1462 if size is None:
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47235
diff changeset
1463 return util.buffer(util.mmapread(fp))
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47235
diff changeset
1464 else:
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47235
diff changeset
1465 return util.buffer(util.mmapread(fp, size))
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47235
diff changeset
1466 if size is None:
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47235
diff changeset
1467 return fp.read()
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47235
diff changeset
1468 else:
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47235
diff changeset
1469 return fp.read(size)
49306
2e726c934fcd py3: catch FileNotFoundError instead of checking errno == ENOENT
Manuel Jacob <me@manueljacob.de>
parents: 49284
diff changeset
1470 except FileNotFoundError:
47169
a13f72b9ccfb revlog: move index reading logic in a dedicated method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47168
diff changeset
1471 return b''
a13f72b9ccfb revlog: move index reading logic in a dedicated method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47168
diff changeset
1472
50683
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1473 def get_streams(self, max_linkrev, force_inline=False):
51000
273434748051 revlog: document the `get_streams` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50999
diff changeset
1474 """return a list of streams that represent this revlog
273434748051 revlog: document the `get_streams` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50999
diff changeset
1475
273434748051 revlog: document the `get_streams` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50999
diff changeset
1476 This is used by stream-clone to do bytes to bytes copies of a repository.
273434748051 revlog: document the `get_streams` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50999
diff changeset
1477
273434748051 revlog: document the `get_streams` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50999
diff changeset
1478 This streams data for all revisions that refer to a changelog revision up
273434748051 revlog: document the `get_streams` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50999
diff changeset
1479 to `max_linkrev`.
273434748051 revlog: document the `get_streams` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50999
diff changeset
1480
273434748051 revlog: document the `get_streams` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50999
diff changeset
1481 If `force_inline` is set, it enforces that the stream will represent an inline revlog.
273434748051 revlog: document the `get_streams` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50999
diff changeset
1482
273434748051 revlog: document the `get_streams` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50999
diff changeset
1483 It returns is a list of three-tuple:
273434748051 revlog: document the `get_streams` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50999
diff changeset
1484
273434748051 revlog: document the `get_streams` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50999
diff changeset
1485 [
273434748051 revlog: document the `get_streams` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50999
diff changeset
1486 (filename, bytes_stream, stream_size),
273434748051 revlog: document the `get_streams` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50999
diff changeset
1487 …
273434748051 revlog: document the `get_streams` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50999
diff changeset
1488 ]
273434748051 revlog: document the `get_streams` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50999
diff changeset
1489 """
50683
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1490 n = len(self)
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1491 index = self.index
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1492 while n > 0:
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1493 linkrev = index[n - 1][4]
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1494 if linkrev < max_linkrev:
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1495 break
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1496 # note: this loop will rarely go through multiple iterations, since
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1497 # it only traverses commits created during the current streaming
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1498 # pull operation.
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1499 #
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1500 # If this become a problem, using a binary search should cap the
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1501 # runtime of this.
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1502 n = n - 1
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1503 if n == 0:
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1504 # no data to send
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1505 return []
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1506 index_size = n * index.entry_size
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1507 data_size = self.end(n - 1)
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1508
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1509 # XXX we might have been split (or stripped) since the object
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1510 # initialization, We need to close this race too, but having a way to
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1511 # pre-open the file we feed to the revlog and never closing them before
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1512 # we are done streaming.
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1513
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1514 if self._inline:
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1515
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1516 def get_stream():
51078
5ffee3cff8de revlog: remove the `_indexfp` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51077
diff changeset
1517 with self.opener(self._indexfile, mode=b"r") as fp:
50683
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1518 yield None
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1519 size = index_size + data_size
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1520 if size <= 65536:
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1521 yield fp.read(size)
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1522 else:
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1523 yield from util.filechunkiter(fp, limit=size)
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1524
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1525 inline_stream = get_stream()
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1526 next(inline_stream)
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1527 return [
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1528 (self._indexfile, inline_stream, index_size + data_size),
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1529 ]
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1530 elif force_inline:
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1531
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1532 def get_stream():
51015
720e5a5f2b95 stream-clone: use `revlog.reading` in `revlog.get_streams`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51013
diff changeset
1533 with self.reading():
50683
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1534 yield None
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1535
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1536 for rev in range(n):
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1537 idx = self.index.entry_binary(rev)
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1538 if rev == 0 and self._docket is None:
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1539 # re-inject the inline flag
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1540 header = self._format_flags
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1541 header |= self._format_version
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1542 header |= FLAG_INLINE_DATA
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1543 header = self.index.pack_header(header)
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1544 idx = header + idx
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1545 yield idx
51084
df50a1592e0c revlog: move _getsegmentforrevs on the internal object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51083
diff changeset
1546 yield self._inner.get_segment_for_revs(rev, rev)[1]
50683
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1547
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1548 inline_stream = get_stream()
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1549 next(inline_stream)
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1550 return [
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1551 (self._indexfile, inline_stream, index_size + data_size),
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1552 ]
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1553 else:
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1554
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1555 def get_index_stream():
51078
5ffee3cff8de revlog: remove the `_indexfp` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51077
diff changeset
1556 with self.opener(self._indexfile, mode=b"r") as fp:
50683
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1557 yield None
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1558 if index_size <= 65536:
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1559 yield fp.read(index_size)
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1560 else:
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1561 yield from util.filechunkiter(fp, limit=index_size)
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1562
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1563 def get_data_stream():
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1564 with self._datafp() as fp:
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1565 yield None
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1566 if data_size <= 65536:
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1567 yield fp.read(data_size)
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1568 else:
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1569 yield from util.filechunkiter(fp, limit=data_size)
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1570
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1571 index_stream = get_index_stream()
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1572 next(index_stream)
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1573 data_stream = get_data_stream()
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1574 next(data_stream)
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1575 return [
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1576 (self._datafile, data_stream, data_size),
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1577 (self._indexfile, index_stream, index_size),
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1578 ]
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1579
47402
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47399
diff changeset
1580 def _loadindex(self, docket=None):
47171
729668105901 revlog: rename `newversionflags` to `new_header`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47170
diff changeset
1581 new_header, mmapindexthreshold, force_nodemap = self._init_opts()
47168
cacb08f357ed revlog: define the actual index and datafile at loading time
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47167
diff changeset
1582
47240
4f38ada3fc26 revlog: move the `trypending` logic from the `changelog` to the `revlog`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47239
diff changeset
1583 if self.postfix is not None:
4f38ada3fc26 revlog: move the `trypending` logic from the `changelog` to the `revlog`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47239
diff changeset
1584 entry_point = b'%s.i.%s' % (self.radix, self.postfix)
4f38ada3fc26 revlog: move the `trypending` logic from the `changelog` to the `revlog`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47239
diff changeset
1585 elif self._trypending and self.opener.exists(b'%s.i.a' % self.radix):
4f38ada3fc26 revlog: move the `trypending` logic from the `changelog` to the `revlog`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47239
diff changeset
1586 entry_point = b'%s.i.a' % self.radix
50658
978ffa09910b revlog: move the computation of the split_index path in a property
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50348
diff changeset
1587 elif self._try_split and self.opener.exists(self._split_index_file):
978ffa09910b revlog: move the computation of the split_index path in a property
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50348
diff changeset
1588 entry_point = self._split_index_file
47240
4f38ada3fc26 revlog: move the `trypending` logic from the `changelog` to the `revlog`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47239
diff changeset
1589 else:
47175
21ef5f75edf0 revlog: use "entry_point" phrasing for loading the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47174
diff changeset
1590 entry_point = b'%s.i' % self.radix
47168
cacb08f357ed revlog: define the actual index and datafile at loading time
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47167
diff changeset
1591
47402
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47399
diff changeset
1592 if docket is not None:
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47399
diff changeset
1593 self._docket = docket
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47399
diff changeset
1594 self._docket_file = entry_point
47169
a13f72b9ccfb revlog: move index reading logic in a dedicated method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47168
diff changeset
1595 else:
47402
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47399
diff changeset
1596 self._initempty = True
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47399
diff changeset
1597 entry_data = self._get_data(entry_point, mmapindexthreshold)
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47399
diff changeset
1598 if len(entry_data) > 0:
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47399
diff changeset
1599 header = INDEX_HEADER.unpack(entry_data[:4])[0]
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47399
diff changeset
1600 self._initempty = False
47234
616b8f412676 revlogv2: introduce a very basic docket file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47231
diff changeset
1601 else:
47402
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47399
diff changeset
1602 header = new_header
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47399
diff changeset
1603
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47399
diff changeset
1604 self._format_flags = header & ~0xFFFF
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47399
diff changeset
1605 self._format_version = header & 0xFFFF
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47399
diff changeset
1606
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47399
diff changeset
1607 supported_flags = SUPPORTED_FLAGS.get(self._format_version)
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47399
diff changeset
1608 if supported_flags is None:
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47399
diff changeset
1609 msg = _(b'unknown version (%d) in revlog %s')
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47399
diff changeset
1610 msg %= (self._format_version, self.display_id)
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47399
diff changeset
1611 raise error.RevlogError(msg)
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47399
diff changeset
1612 elif self._format_flags & ~supported_flags:
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47399
diff changeset
1613 msg = _(b'unknown flags (%#04x) in version %d revlog %s')
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47399
diff changeset
1614 display_flag = self._format_flags >> 16
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47399
diff changeset
1615 msg %= (display_flag, self._format_version, self.display_id)
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47399
diff changeset
1616 raise error.RevlogError(msg)
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47399
diff changeset
1617
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47399
diff changeset
1618 features = FEATURES_BY_VERSION[self._format_version]
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47399
diff changeset
1619 self._inline = features[b'inline'](self._format_flags)
51026
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51023
diff changeset
1620 self.delta_config.general_delta = features[b'generaldelta'](
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51023
diff changeset
1621 self._format_flags
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51023
diff changeset
1622 )
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51023
diff changeset
1623 self.feature_config.has_side_data = features[b'sidedata']
47402
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47399
diff changeset
1624
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47399
diff changeset
1625 if not features[b'docket']:
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47399
diff changeset
1626 self._indexfile = entry_point
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47399
diff changeset
1627 index_data = entry_data
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47399
diff changeset
1628 else:
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47399
diff changeset
1629 self._docket_file = entry_point
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47399
diff changeset
1630 if self._initempty:
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47399
diff changeset
1631 self._docket = docketutil.default_docket(self, header)
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47399
diff changeset
1632 else:
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47399
diff changeset
1633 self._docket = docketutil.parse_docket(
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47399
diff changeset
1634 self, entry_data, use_pending=self._trypending
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47399
diff changeset
1635 )
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47399
diff changeset
1636
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47399
diff changeset
1637 if self._docket is not None:
47234
616b8f412676 revlogv2: introduce a very basic docket file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47231
diff changeset
1638 self._indexfile = self._docket.index_filepath()
47238
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47235
diff changeset
1639 index_data = b''
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47235
diff changeset
1640 index_size = self._docket.index_end
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47235
diff changeset
1641 if index_size > 0:
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47235
diff changeset
1642 index_data = self._get_data(
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47235
diff changeset
1643 self._indexfile, mmapindexthreshold, size=index_size
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47235
diff changeset
1644 )
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47235
diff changeset
1645 if len(index_data) < index_size:
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47235
diff changeset
1646 msg = _(b'too few index data for %s: got %d, expected %d')
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47235
diff changeset
1647 msg %= (self.display_id, len(index_data), index_size)
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47235
diff changeset
1648 raise error.RevlogError(msg)
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47235
diff changeset
1649
47234
616b8f412676 revlogv2: introduce a very basic docket file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47231
diff changeset
1650 self._inline = False
616b8f412676 revlogv2: introduce a very basic docket file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47231
diff changeset
1651 # generaldelta implied by version 2 revlogs.
51026
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51023
diff changeset
1652 self.delta_config.general_delta = True
47234
616b8f412676 revlogv2: introduce a very basic docket file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47231
diff changeset
1653 # the logic for persistent nodemap will be dealt with within the
616b8f412676 revlogv2: introduce a very basic docket file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47231
diff changeset
1654 # main docket, so disable it for now.
616b8f412676 revlogv2: introduce a very basic docket file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47231
diff changeset
1655 self._nodemap_file = None
47175
21ef5f75edf0 revlog: use "entry_point" phrasing for loading the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47174
diff changeset
1656
47324
0a3fa41fa719 revlogv2: use a unique filename for data
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47294
diff changeset
1657 if self._docket is not None:
0a3fa41fa719 revlogv2: use a unique filename for data
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47294
diff changeset
1658 self._datafile = self._docket.data_filepath()
47389
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47387
diff changeset
1659 self._sidedatafile = self._docket.sidedata_filepath()
47324
0a3fa41fa719 revlogv2: use a unique filename for data
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47294
diff changeset
1660 elif self.postfix is None:
47175
21ef5f75edf0 revlog: use "entry_point" phrasing for loading the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47174
diff changeset
1661 self._datafile = b'%s.d' % self.radix
21ef5f75edf0 revlog: use "entry_point" phrasing for loading the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47174
diff changeset
1662 else:
21ef5f75edf0 revlog: use "entry_point" phrasing for loading the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47174
diff changeset
1663 self._datafile = b'%s.d.%s' % (self.radix, self.postfix)
21ef5f75edf0 revlog: use "entry_point" phrasing for loading the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47174
diff changeset
1664
46780
6266d19556ad node: introduce nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46779
diff changeset
1665 self.nodeconstants = sha1nodeconstants
6266d19556ad node: introduce nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46779
diff changeset
1666 self.nullid = self.nodeconstants.nullid
6266d19556ad node: introduce nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46779
diff changeset
1667
41447
189e06b2d719 revlog: make sure we never use sparserevlog without general delta (issue6056)
Boris Feld <boris.feld@octobus.net>
parents: 41350
diff changeset
1668 # sparse-revlog can't be on without general-delta (issue6056)
51043
f636103c4d67 revlog: remove legacy usage of `_generaldelta`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51041
diff changeset
1669 if not self.delta_config.general_delta:
51026
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51023
diff changeset
1670 self.delta_config.sparse_revlog = False
4985
e6525e459157 revlog: simplify revlog.__init__
Matt Mackall <mpm@selenic.com>
parents: 4984
diff changeset
1671
39232
0a5b20c107a6 repository: remove storedeltachains from ifilestorage
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39231
diff changeset
1672 self._storedeltachains = True
30154
5e72129d75ed revlog: add instance variable controlling delta chain use
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30012
diff changeset
1673
44313
6f9e8e142cea nodemap: add a (python) index class for persistent nodemap testing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44310
diff changeset
1674 devel_nodemap = (
47164
04f2f94836a5 revlog: rename `nodemap_file` to `_nodemap_file`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47163
diff changeset
1675 self._nodemap_file
47144
b6e1fe7ac24b revlog: split the option initialisation in its own method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47143
diff changeset
1676 and force_nodemap
47036
5e64c93d5f94 revlog: remove the revlogio class
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47034
diff changeset
1677 and parse_index_v1_nodemap is not None
44313
6f9e8e142cea nodemap: add a (python) index class for persistent nodemap testing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44310
diff changeset
1678 )
6f9e8e142cea nodemap: add a (python) index class for persistent nodemap testing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44310
diff changeset
1679
44513
e7fff9c3cdac rust-nodemap: automatically use the rust index for persistent nodemap
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44501
diff changeset
1680 use_rust_index = False
51425
def497c75351 rust: disable the RustIndex without persistent nodemap
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51392
diff changeset
1681 if rustrevlog is not None and self._nodemap_file is not None:
def497c75351 rust: disable the RustIndex without persistent nodemap
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51392
diff changeset
1682 # we would like to use the rust_index in all case, especially
def497c75351 rust: disable the RustIndex without persistent nodemap
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51392
diff changeset
1683 # because it is necessary for AncestorsIterator and LazyAncestors
def497c75351 rust: disable the RustIndex without persistent nodemap
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51392
diff changeset
1684 # since the 6.7 cycle.
def497c75351 rust: disable the RustIndex without persistent nodemap
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51392
diff changeset
1685 #
def497c75351 rust: disable the RustIndex without persistent nodemap
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51392
diff changeset
1686 # However, the performance impact of inconditionnaly building the
def497c75351 rust: disable the RustIndex without persistent nodemap
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51392
diff changeset
1687 # nodemap is currently a problem for non-persistent nodemap
def497c75351 rust: disable the RustIndex without persistent nodemap
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51392
diff changeset
1688 # repository.
def497c75351 rust: disable the RustIndex without persistent nodemap
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51392
diff changeset
1689 use_rust_index = True
44513
e7fff9c3cdac rust-nodemap: automatically use the rust index for persistent nodemap
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44501
diff changeset
1690
47036
5e64c93d5f94 revlog: remove the revlogio class
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47034
diff changeset
1691 self._parse_index = parse_index_v1
47139
f58a13c52726 revlog: split the `version` attribute into its two components
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47136
diff changeset
1692 if self._format_version == REVLOGV0:
47038
724db234b790 revlog: code for `revlogv0` in its own module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47037
diff changeset
1693 self._parse_index = revlogv0.parse_index_v0
47173
ef7a8a1622ad revlog: directly use self._format_version when loading index
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47172
diff changeset
1694 elif self._format_version == REVLOGV2:
47036
5e64c93d5f94 revlog: remove the revlogio class
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47034
diff changeset
1695 self._parse_index = parse_index_v2
47266
921648d31553 changelogv2: use a dedicated version number
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47263
diff changeset
1696 elif self._format_version == CHANGELOGV2:
47270
25ce16bf724b changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47269
diff changeset
1697 self._parse_index = parse_index_cl_v2
44313
6f9e8e142cea nodemap: add a (python) index class for persistent nodemap testing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44310
diff changeset
1698 elif devel_nodemap:
47036
5e64c93d5f94 revlog: remove the revlogio class
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47034
diff changeset
1699 self._parse_index = parse_index_v1_nodemap
44513
e7fff9c3cdac rust-nodemap: automatically use the rust index for persistent nodemap
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44501
diff changeset
1700 elif use_rust_index:
51188
13f58ce70299 rust-revlog: teach the revlog opening code to read the repo options
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51187
diff changeset
1701 self._parse_index = functools.partial(
51251
f94c10334bcb rust-index: renamed `MixedIndex` as `Index`
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents: 51250
diff changeset
1702 parse_index_v1_rust, default_header=new_header
51188
13f58ce70299 rust-revlog: teach the revlog opening code to read the repo options
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51187
diff changeset
1703 )
13265
04b302ce2781 revlog: always add the magic nullid/nullrev entry in parseindex
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 13264
diff changeset
1704 try:
47176
8b549ea4bebf revlog: rename `indexdata` to entry_data
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47175
diff changeset
1705 d = self._parse_index(index_data, self._inline)
47425
e0a314bcbc9d revlog: Extract low-level random-access file read caching logic
Simon Sapin <simon.sapin@octobus.net>
parents: 47414
diff changeset
1706 index, chunkcache = d
44320
671f9479af0e nodemap: provide the on disk data to indexes who support it
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44313
diff changeset
1707 use_nodemap = (
671f9479af0e nodemap: provide the on disk data to indexes who support it
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44313
diff changeset
1708 not self._inline
47164
04f2f94836a5 revlog: rename `nodemap_file` to `_nodemap_file`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47163
diff changeset
1709 and self._nodemap_file is not None
50925
d718eddf01d9 safehasattr: drop usage in favor of hasattr
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50811
diff changeset
1710 and hasattr(index, 'update_nodemap_data')
44320
671f9479af0e nodemap: provide the on disk data to indexes who support it
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44313
diff changeset
1711 )
671f9479af0e nodemap: provide the on disk data to indexes who support it
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44313
diff changeset
1712 if use_nodemap:
671f9479af0e nodemap: provide the on disk data to indexes who support it
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44313
diff changeset
1713 nodemap_data = nodemaputil.persisted_data(self)
671f9479af0e nodemap: provide the on disk data to indexes who support it
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44313
diff changeset
1714 if nodemap_data is not None:
44515
6c906eaedd0d nodemap: track the tip_node for validation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44513
diff changeset
1715 docket = nodemap_data[0]
44954
affe0fb42250 nodemap: fix validity checking when revlog is too short
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44516
diff changeset
1716 if (
affe0fb42250 nodemap: fix validity checking when revlog is too short
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44516
diff changeset
1717 len(d[0]) > docket.tip_rev
affe0fb42250 nodemap: fix validity checking when revlog is too short
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44516
diff changeset
1718 and d[0][docket.tip_rev][7] == docket.tip_node
affe0fb42250 nodemap: fix validity checking when revlog is too short
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44516
diff changeset
1719 ):
44515
6c906eaedd0d nodemap: track the tip_node for validation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44513
diff changeset
1720 # no changelog tampering
6c906eaedd0d nodemap: track the tip_node for validation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44513
diff changeset
1721 self._nodemap_docket = docket
6c906eaedd0d nodemap: track the tip_node for validation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44513
diff changeset
1722 index.update_nodemap_data(*nodemap_data)
13265
04b302ce2781 revlog: always add the magic nullid/nullrev entry in parseindex
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 13264
diff changeset
1723 except (ValueError, IndexError):
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
1724 raise error.RevlogError(
47158
e1936ae27897 revlog: use revlog.display_id for corruption error
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47157
diff changeset
1725 _(b"index %s is corrupted") % self.display_id
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
1726 )
47425
e0a314bcbc9d revlog: Extract low-level random-access file read caching logic
Simon Sapin <simon.sapin@octobus.net>
parents: 47414
diff changeset
1727 self.index = index
23306
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452)
Siddharth Agarwal <sid0@fb.com>
parents: 23288
diff changeset
1728 # revnum -> (chain-length, sum-delta-length)
45779
8719a5b68419 revlog: use LRU for the chain cache
Joerg Sonnenberger <joerg@bec.de>
parents: 45735
diff changeset
1729 self._chaininfocache = util.lrucachedict(500)
116
e484cd5ec282 Only use lazy indexing for big indices and avoid the overhead of the
mpm@selenic.com
parents: 115
diff changeset
1730
51083
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
1731 return chunkcache
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
1732
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
1733 def _load_inner(self, chunk_cache):
51088
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
1734 if self._docket is None:
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
1735 default_compression_header = None
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
1736 else:
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
1737 default_compression_header = self._docket.default_compression_header
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
1738
51083
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
1739 self._inner = _InnerRevlog(
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
1740 opener=self.opener,
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
1741 index=self.index,
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
1742 index_file=self._indexfile,
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
1743 data_file=self._datafile,
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
1744 sidedata_file=self._sidedatafile,
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
1745 inline=self._inline,
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
1746 data_config=self.data_config,
51090
ff673b9da21f revlog: add a couple more of useful method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51089
diff changeset
1747 delta_config=self.delta_config,
51088
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
1748 feature_config=self.feature_config,
51083
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
1749 chunk_cache=chunk_cache,
51088
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
1750 default_compression_header=default_compression_header,
51083
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
1751 )
116
e484cd5ec282 Only use lazy indexing for big indices and avoid the overhead of the
mpm@selenic.com
parents: 115
diff changeset
1752
50683
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1753 def get_revlog(self):
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1754 """simple function to mirror API of other not-really-revlog API"""
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1755 return self
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50659
diff changeset
1756
30795
78ac56aebab6 revlog: use compression engine API for compression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30793
diff changeset
1757 @util.propertycache
47073
64cd1496bb70 revlog: replace the old `revlog_kind` approach with the new `target` one
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47072
diff changeset
1758 def revlog_kind(self):
64cd1496bb70 revlog: replace the old `revlog_kind` approach with the new `target` one
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47072
diff changeset
1759 return self.target[0]
64cd1496bb70 revlog: replace the old `revlog_kind` approach with the new `target` one
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47072
diff changeset
1760
64cd1496bb70 revlog: replace the old `revlog_kind` approach with the new `target` one
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47072
diff changeset
1761 @util.propertycache
47153
fbf38517d17d revlog: introduce a `display_id` property
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47151
diff changeset
1762 def display_id(self):
fbf38517d17d revlog: introduce a `display_id` property
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47151
diff changeset
1763 """The public facing "ID" of the revlog that we use in message"""
49534
92892dff03f3 revlog: use the user facing filename as the display_id for filelogs
Matt Harbison <matt_harbison@yahoo.com>
parents: 49533
diff changeset
1764 if self.revlog_kind == KIND_FILELOG:
92892dff03f3 revlog: use the user facing filename as the display_id for filelogs
Matt Harbison <matt_harbison@yahoo.com>
parents: 49533
diff changeset
1765 # Reference the file without the "data/" prefix, so it is familiar
92892dff03f3 revlog: use the user facing filename as the display_id for filelogs
Matt Harbison <matt_harbison@yahoo.com>
parents: 49533
diff changeset
1766 # to the user.
92892dff03f3 revlog: use the user facing filename as the display_id for filelogs
Matt Harbison <matt_harbison@yahoo.com>
parents: 49533
diff changeset
1767 return self.target[1]
92892dff03f3 revlog: use the user facing filename as the display_id for filelogs
Matt Harbison <matt_harbison@yahoo.com>
parents: 49533
diff changeset
1768 else:
92892dff03f3 revlog: use the user facing filename as the display_id for filelogs
Matt Harbison <matt_harbison@yahoo.com>
parents: 49533
diff changeset
1769 return self.radix
47153
fbf38517d17d revlog: introduce a `display_id` property
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47151
diff changeset
1770
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
1771 def _datafp(self, mode=b'r'):
35967
61326dd7cb8d revlog: move datafile opening in a method
Boris Feld <boris.feld@octobus.net>
parents: 35845
diff changeset
1772 """file object for the revlog's data file"""
47149
396442cd7e6a revlog: rename `datafile` to `datafile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47148
diff changeset
1773 return self.opener(self._datafile, mode=mode)
35967
61326dd7cb8d revlog: move datafile opening in a method
Boris Feld <boris.feld@octobus.net>
parents: 35845
diff changeset
1774
43440
ec7ba79bf3db revlog: move tiprev() from changelog up to revlog
Martin von Zweigbergk <martinvonz@google.com>
parents: 43133
diff changeset
1775 def tiprev(self):
ec7ba79bf3db revlog: move tiprev() from changelog up to revlog
Martin von Zweigbergk <martinvonz@google.com>
parents: 43133
diff changeset
1776 return len(self.index) - 1
ec7ba79bf3db revlog: move tiprev() from changelog up to revlog
Martin von Zweigbergk <martinvonz@google.com>
parents: 43133
diff changeset
1777
4980
fc44c8df9d99 revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents: 4979
diff changeset
1778 def tip(self):
43440
ec7ba79bf3db revlog: move tiprev() from changelog up to revlog
Martin von Zweigbergk <martinvonz@google.com>
parents: 43133
diff changeset
1779 return self.node(self.tiprev())
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1780
24030
828dc8db5515 revlog: add __contains__ for fast membership test
Yuya Nishihara <yuya@tcha.org>
parents: 23857
diff changeset
1781 def __contains__(self, rev):
828dc8db5515 revlog: add __contains__ for fast membership test
Yuya Nishihara <yuya@tcha.org>
parents: 23857
diff changeset
1782 return 0 <= rev < len(self)
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1783
6750
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog
Matt Mackall <mpm@selenic.com>
parents: 6703
diff changeset
1784 def __len__(self):
38851
781b2720d2ac index: don't include nullid in len()
Martin von Zweigbergk <martinvonz@google.com>
parents: 38850
diff changeset
1785 return len(self.index)
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1786
6750
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog
Matt Mackall <mpm@selenic.com>
parents: 6703
diff changeset
1787 def __iter__(self):
49284
d44e3c45f0e4 py3: replace `pycompat.xrange` by `range`
Manuel Jacob <me@manueljacob.de>
parents: 49248
diff changeset
1788 return iter(range(len(self)))
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1789
17672
474047947b8f clfilter: make the revlog class responsible of all its iteration
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17537
diff changeset
1790 def revs(self, start=0, stop=None):
474047947b8f clfilter: make the revlog class responsible of all its iteration
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17537
diff changeset
1791 """iterate over all rev in this revlog (from start to stop)"""
39881
d63153611ed5 storageutil: extract revision number iteration
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39879
diff changeset
1792 return storageutil.iterrevs(len(self), start=start, stop=stop)
13275
68da048b4c88 revlog: incrementally build node cache with linear searches
Matt Mackall <mpm@selenic.com>
parents: 13268
diff changeset
1793
16374
29c2ff719715 revlog: add hasnode helper method
Matt Mackall <mpm@selenic.com>
parents: 15890
diff changeset
1794 def hasnode(self, node):
29c2ff719715 revlog: add hasnode helper method
Matt Mackall <mpm@selenic.com>
parents: 15890
diff changeset
1795 try:
29c2ff719715 revlog: add hasnode helper method
Matt Mackall <mpm@selenic.com>
parents: 15890
diff changeset
1796 self.rev(node)
29c2ff719715 revlog: add hasnode helper method
Matt Mackall <mpm@selenic.com>
parents: 15890
diff changeset
1797 return True
29c2ff719715 revlog: add hasnode helper method
Matt Mackall <mpm@selenic.com>
parents: 15890
diff changeset
1798 except KeyError:
29c2ff719715 revlog: add hasnode helper method
Matt Mackall <mpm@selenic.com>
parents: 15890
diff changeset
1799 return False
29c2ff719715 revlog: add hasnode helper method
Matt Mackall <mpm@selenic.com>
parents: 15890
diff changeset
1800
51001
39fa0b948f5a revlog: make the `candelta` method private
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51000
diff changeset
1801 def _candelta(self, baserev, rev):
36743
d031609b3cb7 changegroup: do not delta lfs revisions
Jun Wu <quark@fb.com>
parents: 35738
diff changeset
1802 """whether two revisions (baserev, rev) can be delta-ed or not"""
d031609b3cb7 changegroup: do not delta lfs revisions
Jun Wu <quark@fb.com>
parents: 35738
diff changeset
1803 # Disable delta if either rev requires a content-changing flag
d031609b3cb7 changegroup: do not delta lfs revisions
Jun Wu <quark@fb.com>
parents: 35738
diff changeset
1804 # processor (ex. LFS). This is because such flag processor can alter
d031609b3cb7 changegroup: do not delta lfs revisions
Jun Wu <quark@fb.com>
parents: 35738
diff changeset
1805 # the rawtext content that the delta will be based on, and two clients
d031609b3cb7 changegroup: do not delta lfs revisions
Jun Wu <quark@fb.com>
parents: 35738
diff changeset
1806 # could have a same revlog node with different flags (i.e. different
d031609b3cb7 changegroup: do not delta lfs revisions
Jun Wu <quark@fb.com>
parents: 35738
diff changeset
1807 # rawtext contents) and the delta could be incompatible.
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1808 if (self.flags(baserev) & REVIDX_RAWTEXT_CHANGING_FLAGS) or (
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1809 self.flags(rev) & REVIDX_RAWTEXT_CHANGING_FLAGS
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1810 ):
36743
d031609b3cb7 changegroup: do not delta lfs revisions
Jun Wu <quark@fb.com>
parents: 35738
diff changeset
1811 return False
d031609b3cb7 changegroup: do not delta lfs revisions
Jun Wu <quark@fb.com>
parents: 35738
diff changeset
1812 return True
d031609b3cb7 changegroup: do not delta lfs revisions
Jun Wu <quark@fb.com>
parents: 35738
diff changeset
1813
44445
336ec75ed1ac nodemap: warm the persistent nodemap on disk with debugupdatecache
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44363
diff changeset
1814 def update_caches(self, transaction):
51002
569eb5d0420d revlog: document the `update_caches` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51001
diff changeset
1815 """update on disk cache
569eb5d0420d revlog: document the `update_caches` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51001
diff changeset
1816
569eb5d0420d revlog: document the `update_caches` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51001
diff changeset
1817 If a transaction is passed, the update may be delayed to transaction
569eb5d0420d revlog: document the `update_caches` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51001
diff changeset
1818 commit."""
47164
04f2f94836a5 revlog: rename `nodemap_file` to `_nodemap_file`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47163
diff changeset
1819 if self._nodemap_file is not None:
44445
336ec75ed1ac nodemap: warm the persistent nodemap on disk with debugupdatecache
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44363
diff changeset
1820 if transaction is None:
336ec75ed1ac nodemap: warm the persistent nodemap on disk with debugupdatecache
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44363
diff changeset
1821 nodemaputil.update_persistent_nodemap(self)
336ec75ed1ac nodemap: warm the persistent nodemap on disk with debugupdatecache
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44363
diff changeset
1822 else:
336ec75ed1ac nodemap: warm the persistent nodemap on disk with debugupdatecache
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44363
diff changeset
1823 nodemaputil.setup_persistent_nodemap(transaction, self)
336ec75ed1ac nodemap: warm the persistent nodemap on disk with debugupdatecache
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44363
diff changeset
1824
16414
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents: 16375
diff changeset
1825 def clearcaches(self):
51003
6c3798b4597f revlog: document the `clearcaches` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51002
diff changeset
1826 """Clear in-memory caches"""
29830
92ac2baaea86 revlog: use an LRU cache for delta chain bases
Gregory Szorc <gregory.szorc@gmail.com>
parents: 29829
diff changeset
1827 self._chainbasecache.clear()
51098
045b5f745f93 revlog: consolidate cache invalidation within the inner objet
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51096
diff changeset
1828 self._inner.clear_cache()
27465
072a675c51f2 revlog: make clearcaches() more effective
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27449
diff changeset
1829 self._pcache = {}
44501
87b327de772c nodemap: refresh the persistent data on nodemap creation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44491
diff changeset
1830 self._nodemap_docket = None
43525
845e5b313783 revlog: move the nodemap into the index object (for pure)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43524
diff changeset
1831 self.index.clearcaches()
44501
87b327de772c nodemap: refresh the persistent data on nodemap creation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44491
diff changeset
1832 # The python code is the one responsible for validating the docket, we
87b327de772c nodemap: refresh the persistent data on nodemap creation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44491
diff changeset
1833 # end up having to refresh it here.
87b327de772c nodemap: refresh the persistent data on nodemap creation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44491
diff changeset
1834 use_nodemap = (
87b327de772c nodemap: refresh the persistent data on nodemap creation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44491
diff changeset
1835 not self._inline
47164
04f2f94836a5 revlog: rename `nodemap_file` to `_nodemap_file`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47163
diff changeset
1836 and self._nodemap_file is not None
50925
d718eddf01d9 safehasattr: drop usage in favor of hasattr
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50811
diff changeset
1837 and hasattr(self.index, 'update_nodemap_data')
44501
87b327de772c nodemap: refresh the persistent data on nodemap creation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44491
diff changeset
1838 )
87b327de772c nodemap: refresh the persistent data on nodemap creation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44491
diff changeset
1839 if use_nodemap:
87b327de772c nodemap: refresh the persistent data on nodemap creation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44491
diff changeset
1840 nodemap_data = nodemaputil.persisted_data(self)
87b327de772c nodemap: refresh the persistent data on nodemap creation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44491
diff changeset
1841 if nodemap_data is not None:
87b327de772c nodemap: refresh the persistent data on nodemap creation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44491
diff changeset
1842 self._nodemap_docket = nodemap_data[0]
87b327de772c nodemap: refresh the persistent data on nodemap creation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44491
diff changeset
1843 self.index.update_nodemap_data(*nodemap_data)
16414
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents: 16375
diff changeset
1844
13259
3b616dfa4b17 revlog: do revlog node->rev mapping by scanning
Matt Mackall <mpm@selenic.com>
parents: 13258
diff changeset
1845 def rev(self, node):
51004
ccddd2f54013 revlog: document the `rev` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51003
diff changeset
1846 """return the revision number associated with a <nodeid>"""
13275
68da048b4c88 revlog: incrementally build node cache with linear searches
Matt Mackall <mpm@selenic.com>
parents: 13268
diff changeset
1847 try:
43553
2da51e292734 index: use `index.rev` in `revlog.rev`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43552
diff changeset
1848 return self.index.rev(node)
22282
4092d12ba18a repoview: fix 0L with pack/unpack for 2.4
Matt Mackall <mpm@selenic.com>
parents: 21752
diff changeset
1849 except TypeError:
4092d12ba18a repoview: fix 0L with pack/unpack for 2.4
Matt Mackall <mpm@selenic.com>
parents: 21752
diff changeset
1850 raise
39773
2cd93a8d4bde revlog: drop RevlogError alias (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39769
diff changeset
1851 except error.RevlogError:
43525
845e5b313783 revlog: move the nodemap into the index object (for pure)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43524
diff changeset
1852 # parsers.c radix tree lookup failed
47012
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
1853 if (
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
1854 node == self.nodeconstants.wdirid
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
1855 or node in self.nodeconstants.wdirfilenodeids
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
1856 ):
43525
845e5b313783 revlog: move the nodemap into the index object (for pure)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43524
diff changeset
1857 raise error.WdirUnsupported
47155
96ee8ca99f5a revlog: use revlog.display_id in LookupError
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47153
diff changeset
1858 raise error.LookupError(node, self.display_id, _(b'no node'))
13275
68da048b4c88 revlog: incrementally build node cache with linear searches
Matt Mackall <mpm@selenic.com>
parents: 13268
diff changeset
1859
30287
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1860 # Accessors for index entries.
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1861
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1862 # First tuple entry is 8 bytes. First 6 bytes are offset. Last 2 bytes
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1863 # are flags.
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1864 def start(self, rev):
5006
c2febf5420e9 revlog: minor chunk speed-up
Matt Mackall <mpm@selenic.com>
parents: 5005
diff changeset
1865 return int(self.index[rev][0] >> 16)
30287
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1866
47389
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47387
diff changeset
1867 def sidedata_cut_off(self, rev):
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47387
diff changeset
1868 sd_cut_off = self.index[rev][8]
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47387
diff changeset
1869 if sd_cut_off != 0:
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47387
diff changeset
1870 return sd_cut_off
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47387
diff changeset
1871 # This is some annoying dance, because entries without sidedata
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47387
diff changeset
1872 # currently use 0 as their ofsset. (instead of previous-offset +
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47387
diff changeset
1873 # previous-size)
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47387
diff changeset
1874 #
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47387
diff changeset
1875 # We should reconsider this sidedata → 0 sidata_offset policy.
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47387
diff changeset
1876 # In the meantime, we need this.
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47387
diff changeset
1877 while 0 <= rev:
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47387
diff changeset
1878 e = self.index[rev]
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47387
diff changeset
1879 if e[9] != 0:
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47387
diff changeset
1880 return e[8] + e[9]
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47387
diff changeset
1881 rev -= 1
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47387
diff changeset
1882 return 0
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47387
diff changeset
1883
30287
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1884 def flags(self, rev):
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1885 return self.index[rev][0] & 0xFFFF
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1886
4980
fc44c8df9d99 revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents: 4979
diff changeset
1887 def length(self, rev):
fc44c8df9d99 revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents: 4979
diff changeset
1888 return self.index[rev][1]
30287
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1889
46709
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
1890 def sidedata_length(self, rev):
51058
7c2dc75cdc0f revlog: remove legacy usage of `hassidedata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51057
diff changeset
1891 if not self.feature_config.has_side_data:
46709
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
1892 return 0
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
1893 return self.index[rev][9]
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
1894
30287
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1895 def rawsize(self, rev):
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1896 """return the length of the uncompressed text for a given revision"""
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1897 l = self.index[rev][2]
38177
7fa3408f83ef revlog: disallow setting uncompressed length to None
Yuya Nishihara <yuya@tcha.org>
parents: 38169
diff changeset
1898 if l >= 0:
30287
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1899 return l
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1900
42768
5a8f2c8edff6 rawdata: update caller in revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42732
diff changeset
1901 t = self.rawdata(rev)
30287
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1902 return len(t)
31856
0ab7f469d386 revlog: make "size" diverge from "rawsize"
Jun Wu <quark@fb.com>
parents: 31804
diff changeset
1903
0ab7f469d386 revlog: make "size" diverge from "rawsize"
Jun Wu <quark@fb.com>
parents: 31804
diff changeset
1904 def size(self, rev):
0ab7f469d386 revlog: make "size" diverge from "rawsize"
Jun Wu <quark@fb.com>
parents: 31804
diff changeset
1905 """length of non-raw text (processed by a "read" flag processor)"""
0ab7f469d386 revlog: make "size" diverge from "rawsize"
Jun Wu <quark@fb.com>
parents: 31804
diff changeset
1906 # fast path: if no "read" flag processor could change the content,
0ab7f469d386 revlog: make "size" diverge from "rawsize"
Jun Wu <quark@fb.com>
parents: 31804
diff changeset
1907 # size is rawsize. note: ELLIPSIS is known to not change the content.
0ab7f469d386 revlog: make "size" diverge from "rawsize"
Jun Wu <quark@fb.com>
parents: 31804
diff changeset
1908 flags = self.flags(rev)
42730
92ac6b1697a7 flagutil: move REVIDX_KNOWN_FLAGS source of truth in flagutil (API)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42729
diff changeset
1909 if flags & (flagutil.REVIDX_KNOWN_FLAGS ^ REVIDX_ELLIPSIS) == 0:
31856
0ab7f469d386 revlog: make "size" diverge from "rawsize"
Jun Wu <quark@fb.com>
parents: 31804
diff changeset
1910 return self.rawsize(rev)
0ab7f469d386 revlog: make "size" diverge from "rawsize"
Jun Wu <quark@fb.com>
parents: 31804
diff changeset
1911
48529
c514936d92b4 revlog: remove deprecated APIs
Rapha?l Gom?s <rgomes@octobus.net>
parents: 48283
diff changeset
1912 return len(self.revision(rev))
30287
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1913
48761
2e949ede7350 rank: naive rank property computation and retrieval
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 48681
diff changeset
1914 def fast_rank(self, rev):
2e949ede7350 rank: naive rank property computation and retrieval
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 48681
diff changeset
1915 """Return the rank of a revision if already known, or None otherwise.
2e949ede7350 rank: naive rank property computation and retrieval
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 48681
diff changeset
1916
2e949ede7350 rank: naive rank property computation and retrieval
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 48681
diff changeset
1917 The rank of a revision is the size of the sub-graph it defines as a
2e949ede7350 rank: naive rank property computation and retrieval
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 48681
diff changeset
1918 head. Equivalently, the rank of a revision `r` is the size of the set
2e949ede7350 rank: naive rank property computation and retrieval
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 48681
diff changeset
1919 `ancestors(r)`, `r` included.
2e949ede7350 rank: naive rank property computation and retrieval
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 48681
diff changeset
1920
2e949ede7350 rank: naive rank property computation and retrieval
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 48681
diff changeset
1921 This method returns the rank retrieved from the revlog in constant
2e949ede7350 rank: naive rank property computation and retrieval
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 48681
diff changeset
1922 time. It makes no attempt at computing unknown values for versions of
2e949ede7350 rank: naive rank property computation and retrieval
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 48681
diff changeset
1923 the revlog which do not persist the rank.
2e949ede7350 rank: naive rank property computation and retrieval
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 48681
diff changeset
1924 """
2e949ede7350 rank: naive rank property computation and retrieval
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 48681
diff changeset
1925 rank = self.index[rev][ENTRY_RANK]
48851
d739cd69bb6a revlog: return 0 for the fast_rank of nullrev
pacien <pacien.trangirard@pacien.net>
parents: 48769
diff changeset
1926 if self._format_version != CHANGELOGV2 or rank == RANK_UNKNOWN:
48761
2e949ede7350 rank: naive rank property computation and retrieval
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 48681
diff changeset
1927 return None
48851
d739cd69bb6a revlog: return 0 for the fast_rank of nullrev
pacien <pacien.trangirard@pacien.net>
parents: 48769
diff changeset
1928 if rev == nullrev:
d739cd69bb6a revlog: return 0 for the fast_rank of nullrev
pacien <pacien.trangirard@pacien.net>
parents: 48769
diff changeset
1929 return 0 # convention
48761
2e949ede7350 rank: naive rank property computation and retrieval
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 48681
diff changeset
1930 return rank
2e949ede7350 rank: naive rank property computation and retrieval
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 48681
diff changeset
1931
14252
19067884c5f5 revlog: calculate base revisions iteratively
Sune Foldager <cryo@cyanite.org>
parents: 14251
diff changeset
1932 def chainbase(self, rev):
29830
92ac2baaea86 revlog: use an LRU cache for delta chain bases
Gregory Szorc <gregory.szorc@gmail.com>
parents: 29829
diff changeset
1933 base = self._chainbasecache.get(rev)
92ac2baaea86 revlog: use an LRU cache for delta chain bases
Gregory Szorc <gregory.szorc@gmail.com>
parents: 29829
diff changeset
1934 if base is not None:
92ac2baaea86 revlog: use an LRU cache for delta chain bases
Gregory Szorc <gregory.szorc@gmail.com>
parents: 29829
diff changeset
1935 return base
92ac2baaea86 revlog: use an LRU cache for delta chain bases
Gregory Szorc <gregory.szorc@gmail.com>
parents: 29829
diff changeset
1936
14252
19067884c5f5 revlog: calculate base revisions iteratively
Sune Foldager <cryo@cyanite.org>
parents: 14251
diff changeset
1937 index = self.index
38169
fc72beec2a1a revlog: make chainbase cache its result for the correct revision
Paul Morelle <paul.morelle@octobus.net>
parents: 38168
diff changeset
1938 iterrev = rev
fc72beec2a1a revlog: make chainbase cache its result for the correct revision
Paul Morelle <paul.morelle@octobus.net>
parents: 38168
diff changeset
1939 base = index[iterrev][3]
fc72beec2a1a revlog: make chainbase cache its result for the correct revision
Paul Morelle <paul.morelle@octobus.net>
parents: 38168
diff changeset
1940 while base != iterrev:
fc72beec2a1a revlog: make chainbase cache its result for the correct revision
Paul Morelle <paul.morelle@octobus.net>
parents: 38168
diff changeset
1941 iterrev = base
fc72beec2a1a revlog: make chainbase cache its result for the correct revision
Paul Morelle <paul.morelle@octobus.net>
parents: 38168
diff changeset
1942 base = index[iterrev][3]
29830
92ac2baaea86 revlog: use an LRU cache for delta chain bases
Gregory Szorc <gregory.szorc@gmail.com>
parents: 29829
diff changeset
1943
92ac2baaea86 revlog: use an LRU cache for delta chain bases
Gregory Szorc <gregory.szorc@gmail.com>
parents: 29829
diff changeset
1944 self._chainbasecache[rev] = base
14252
19067884c5f5 revlog: calculate base revisions iteratively
Sune Foldager <cryo@cyanite.org>
parents: 14251
diff changeset
1945 return base
30287
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1946
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1947 def linkrev(self, rev):
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1948 return self.index[rev][4]
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1949
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1950 def parentrevs(self, rev):
32403
a28c76e1cea9 revlog: raise WdirUnsupported when wdirrev is passed
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32393
diff changeset
1951 try:
35521
a0fab647a8f1 revlog: don't use slicing to return parents
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35345
diff changeset
1952 entry = self.index[rev]
32403
a28c76e1cea9 revlog: raise WdirUnsupported when wdirrev is passed
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32393
diff changeset
1953 except IndexError:
a28c76e1cea9 revlog: raise WdirUnsupported when wdirrev is passed
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32393
diff changeset
1954 if rev == wdirrev:
a28c76e1cea9 revlog: raise WdirUnsupported when wdirrev is passed
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32393
diff changeset
1955 raise error.WdirUnsupported
a28c76e1cea9 revlog: raise WdirUnsupported when wdirrev is passed
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32393
diff changeset
1956 raise
47504
411dc27fd9fd corruption: backout changeset 49fd21f32695 (issue6528)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46974
diff changeset
1957
51062
14574a41a7a7 revlog: remove legacy usage of `canonical_parent_order`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51061
diff changeset
1958 if self.feature_config.canonical_parent_order and entry[5] == nullrev:
49012
5b65721a75eb revlog: recommit 49fd21f32695 with a fix for issue6528
Joerg Sonnenberger <joerg@bec.de>
parents: 48946
diff changeset
1959 return entry[6], entry[5]
5b65721a75eb revlog: recommit 49fd21f32695 with a fix for issue6528
Joerg Sonnenberger <joerg@bec.de>
parents: 48946
diff changeset
1960 else:
5b65721a75eb revlog: recommit 49fd21f32695 with a fix for issue6528
Joerg Sonnenberger <joerg@bec.de>
parents: 48946
diff changeset
1961 return entry[5], entry[6]
35521
a0fab647a8f1 revlog: don't use slicing to return parents
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35345
diff changeset
1962
40152
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each
Yuya Nishihara <yuya@tcha.org>
parents: 40056
diff changeset
1963 # fast parentrevs(rev) where rev isn't filtered
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each
Yuya Nishihara <yuya@tcha.org>
parents: 40056
diff changeset
1964 _uncheckedparentrevs = parentrevs
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each
Yuya Nishihara <yuya@tcha.org>
parents: 40056
diff changeset
1965
30287
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1966 def node(self, rev):
32443
34e9b8b94f66 revlog: raise error.WdirUnsupported from revlog.node() if wdirrev is passed
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32403
diff changeset
1967 try:
34e9b8b94f66 revlog: raise error.WdirUnsupported from revlog.node() if wdirrev is passed
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32403
diff changeset
1968 return self.index[rev][7]
34e9b8b94f66 revlog: raise error.WdirUnsupported from revlog.node() if wdirrev is passed
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32403
diff changeset
1969 except IndexError:
34e9b8b94f66 revlog: raise error.WdirUnsupported from revlog.node() if wdirrev is passed
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32403
diff changeset
1970 if rev == wdirrev:
34e9b8b94f66 revlog: raise error.WdirUnsupported from revlog.node() if wdirrev is passed
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32403
diff changeset
1971 raise error.WdirUnsupported
34e9b8b94f66 revlog: raise error.WdirUnsupported from revlog.node() if wdirrev is passed
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32403
diff changeset
1972 raise
30287
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1973
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1974 # Derived from index values.
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1975
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1976 def end(self, rev):
46710
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46709
diff changeset
1977 return self.start(rev) + self.length(rev)
30287
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1978
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1979 def parents(self, node):
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1980 i = self.index
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1981 d = i[self.rev(node)]
49012
5b65721a75eb revlog: recommit 49fd21f32695 with a fix for issue6528
Joerg Sonnenberger <joerg@bec.de>
parents: 48946
diff changeset
1982 # inline node() to avoid function call overhead
51062
14574a41a7a7 revlog: remove legacy usage of `canonical_parent_order`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51061
diff changeset
1983 if self.feature_config.canonical_parent_order and d[5] == self.nullid:
49012
5b65721a75eb revlog: recommit 49fd21f32695 with a fix for issue6528
Joerg Sonnenberger <joerg@bec.de>
parents: 48946
diff changeset
1984 return i[d[6]][7], i[d[5]][7]
5b65721a75eb revlog: recommit 49fd21f32695 with a fix for issue6528
Joerg Sonnenberger <joerg@bec.de>
parents: 48946
diff changeset
1985 else:
5b65721a75eb revlog: recommit 49fd21f32695 with a fix for issue6528
Joerg Sonnenberger <joerg@bec.de>
parents: 48946
diff changeset
1986 return i[d[5]][7], i[d[6]][7]
30287
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1987
23254
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d
Mateusz Kwapich <mitrandir@fb.com>
parents: 22934
diff changeset
1988 def chainlen(self, rev):
23286
40e0067899d4 revlog: compute length of compressed deltas along with chain length
Siddharth Agarwal <sid0@fb.com>
parents: 23285
diff changeset
1989 return self._chaininfo(rev)[0]
23306
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452)
Siddharth Agarwal <sid0@fb.com>
parents: 23288
diff changeset
1990
23286
40e0067899d4 revlog: compute length of compressed deltas along with chain length
Siddharth Agarwal <sid0@fb.com>
parents: 23285
diff changeset
1991 def _chaininfo(self, rev):
23306
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452)
Siddharth Agarwal <sid0@fb.com>
parents: 23288
diff changeset
1992 chaininfocache = self._chaininfocache
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452)
Siddharth Agarwal <sid0@fb.com>
parents: 23288
diff changeset
1993 if rev in chaininfocache:
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452)
Siddharth Agarwal <sid0@fb.com>
parents: 23288
diff changeset
1994 return chaininfocache[rev]
23254
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d
Mateusz Kwapich <mitrandir@fb.com>
parents: 22934
diff changeset
1995 index = self.index
51043
f636103c4d67 revlog: remove legacy usage of `_generaldelta`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51041
diff changeset
1996 generaldelta = self.delta_config.general_delta
23254
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d
Mateusz Kwapich <mitrandir@fb.com>
parents: 22934
diff changeset
1997 iterrev = rev
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d
Mateusz Kwapich <mitrandir@fb.com>
parents: 22934
diff changeset
1998 e = index[iterrev]
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d
Mateusz Kwapich <mitrandir@fb.com>
parents: 22934
diff changeset
1999 clen = 0
23286
40e0067899d4 revlog: compute length of compressed deltas along with chain length
Siddharth Agarwal <sid0@fb.com>
parents: 23285
diff changeset
2000 compresseddeltalen = 0
23254
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d
Mateusz Kwapich <mitrandir@fb.com>
parents: 22934
diff changeset
2001 while iterrev != e[3]:
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d
Mateusz Kwapich <mitrandir@fb.com>
parents: 22934
diff changeset
2002 clen += 1
23286
40e0067899d4 revlog: compute length of compressed deltas along with chain length
Siddharth Agarwal <sid0@fb.com>
parents: 23285
diff changeset
2003 compresseddeltalen += e[1]
23254
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d
Mateusz Kwapich <mitrandir@fb.com>
parents: 22934
diff changeset
2004 if generaldelta:
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d
Mateusz Kwapich <mitrandir@fb.com>
parents: 22934
diff changeset
2005 iterrev = e[3]
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d
Mateusz Kwapich <mitrandir@fb.com>
parents: 22934
diff changeset
2006 else:
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d
Mateusz Kwapich <mitrandir@fb.com>
parents: 22934
diff changeset
2007 iterrev -= 1
23306
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452)
Siddharth Agarwal <sid0@fb.com>
parents: 23288
diff changeset
2008 if iterrev in chaininfocache:
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452)
Siddharth Agarwal <sid0@fb.com>
parents: 23288
diff changeset
2009 t = chaininfocache[iterrev]
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452)
Siddharth Agarwal <sid0@fb.com>
parents: 23288
diff changeset
2010 clen += t[0]
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452)
Siddharth Agarwal <sid0@fb.com>
parents: 23288
diff changeset
2011 compresseddeltalen += t[1]
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452)
Siddharth Agarwal <sid0@fb.com>
parents: 23288
diff changeset
2012 break
23254
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d
Mateusz Kwapich <mitrandir@fb.com>
parents: 22934
diff changeset
2013 e = index[iterrev]
23306
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452)
Siddharth Agarwal <sid0@fb.com>
parents: 23288
diff changeset
2014 else:
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452)
Siddharth Agarwal <sid0@fb.com>
parents: 23288
diff changeset
2015 # Add text length of base since decompressing that also takes
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452)
Siddharth Agarwal <sid0@fb.com>
parents: 23288
diff changeset
2016 # work. For cache hits the length is already included.
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452)
Siddharth Agarwal <sid0@fb.com>
parents: 23288
diff changeset
2017 compresseddeltalen += e[1]
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452)
Siddharth Agarwal <sid0@fb.com>
parents: 23288
diff changeset
2018 r = (clen, compresseddeltalen)
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452)
Siddharth Agarwal <sid0@fb.com>
parents: 23288
diff changeset
2019 chaininfocache[rev] = r
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452)
Siddharth Agarwal <sid0@fb.com>
parents: 23288
diff changeset
2020 return r
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452)
Siddharth Agarwal <sid0@fb.com>
parents: 23288
diff changeset
2021
27468
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
2022 def _deltachain(self, rev, stoprev=None):
51092
30f458fc59e9 revlog: move the `deltachain` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51091
diff changeset
2023 return self._inner._deltachain(rev, stoprev=stoprev)
27468
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
2024
18081
f88c60e740a1 revlog.ancestors: add support for including revs
Siddharth Agarwal <sid0@fb.com>
parents: 17975
diff changeset
2025 def ancestors(self, revs, stoprev=0, inclusive=False):
40738
8947f49daaa8 revlog: update the docstring of `ancestors` to match reality
Boris Feld <boris.feld@octobus.net>
parents: 40627
diff changeset
2026 """Generate the ancestors of 'revs' in reverse revision order.
16868
eb88ed4269c5 revlog: add optional stoprev arg to revlog.ancestors()
Joshua Redstone <joshua.redstone@fb.com>
parents: 16867
diff changeset
2027 Does not generate revs lower than stoprev.
10047
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
2028
18090
9abc55ef85b5 revlog: move ancestor generation out to a new class
Siddharth Agarwal <sid0@fb.com>
parents: 18083
diff changeset
2029 See the documentation for ancestor.lazyancestors for more details."""
18081
f88c60e740a1 revlog.ancestors: add support for including revs
Siddharth Agarwal <sid0@fb.com>
parents: 17975
diff changeset
2030
40152
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each
Yuya Nishihara <yuya@tcha.org>
parents: 40056
diff changeset
2031 # first, make sure start revisions aren't filtered
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each
Yuya Nishihara <yuya@tcha.org>
parents: 40056
diff changeset
2032 revs = list(revs)
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each
Yuya Nishihara <yuya@tcha.org>
parents: 40056
diff changeset
2033 checkrev = self.node
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each
Yuya Nishihara <yuya@tcha.org>
parents: 40056
diff changeset
2034 for r in revs:
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each
Yuya Nishihara <yuya@tcha.org>
parents: 40056
diff changeset
2035 checkrev(r)
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each
Yuya Nishihara <yuya@tcha.org>
parents: 40056
diff changeset
2036 # and we're sure ancestors aren't filtered as well
41115
536c83535cbd rust-cpython: using the new bindings from Python
Georges Racinet <gracinet@anybox.fr>
parents: 41086
diff changeset
2037
47269
6be2a7ca4b1d revlog: do not call Rust code if the index is not compatible with it
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47266
diff changeset
2038 if rustancestor is not None and self.index.rust_ext_compat:
42452
a3a8887e4426 rust: using policy.importrust from Python callers
Georges Racinet <georges.racinet@octobus.net>
parents: 42446
diff changeset
2039 lazyancestors = rustancestor.LazyAncestors
41115
536c83535cbd rust-cpython: using the new bindings from Python
Georges Racinet <gracinet@anybox.fr>
parents: 41086
diff changeset
2040 arg = self.index
536c83535cbd rust-cpython: using the new bindings from Python
Georges Racinet <gracinet@anybox.fr>
parents: 41086
diff changeset
2041 else:
536c83535cbd rust-cpython: using the new bindings from Python
Georges Racinet <gracinet@anybox.fr>
parents: 41086
diff changeset
2042 lazyancestors = ancestor.lazyancestors
536c83535cbd rust-cpython: using the new bindings from Python
Georges Racinet <gracinet@anybox.fr>
parents: 41086
diff changeset
2043 arg = self._uncheckedparentrevs
536c83535cbd rust-cpython: using the new bindings from Python
Georges Racinet <gracinet@anybox.fr>
parents: 41086
diff changeset
2044 return lazyancestors(arg, revs, stoprev=stoprev, inclusive=inclusive)
6872
c7cc40fd74f6 Add ancestors and descendants to revlog
Stefano Tortarolo <stefano.tortarolo@gmail.com>
parents: 6750
diff changeset
2045
16867
1093ad1e8903 revlog: descendants(*revs) becomes descendants(revs) (API)
Bryan O'Sullivan <bryano@fb.com>
parents: 16866
diff changeset
2046 def descendants(self, revs):
39999
0b24fcd88066 dagop: extract descendants() from revlog module
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39908
diff changeset
2047 return dagop.descendantrevs(revs, self.revs, self.parentrevs)
6872
c7cc40fd74f6 Add ancestors and descendants to revlog
Stefano Tortarolo <stefano.tortarolo@gmail.com>
parents: 6750
diff changeset
2048
13741
b51bf961b3cb wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13400
diff changeset
2049 def findcommonmissing(self, common=None, heads=None):
b51bf961b3cb wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13400
diff changeset
2050 """Return a tuple of the ancestors of common and the ancestors of heads
15835
fa15869bf95c revlog: improve docstring for findcommonmissing
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 15827
diff changeset
2051 that are not ancestors of common. In revset terminology, we return the
fa15869bf95c revlog: improve docstring for findcommonmissing
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 15827
diff changeset
2052 tuple:
10047
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
2053
15835
fa15869bf95c revlog: improve docstring for findcommonmissing
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 15827
diff changeset
2054 ::common, (::heads) - (::common)
7233
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
2055
10047
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
2056 The list is sorted by revision number, meaning it is
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
2057 topologically sorted.
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
2058
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
2059 'heads' and 'common' are both lists of node IDs. If heads is
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
2060 not supplied, uses all of the revlog's heads. If common is not
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
2061 supplied, uses nullid."""
7233
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
2062 if common is None:
47012
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
2063 common = [self.nullid]
7233
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
2064 if heads is None:
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
2065 heads = self.heads()
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
2066
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
2067 common = [self.rev(n) for n in common]
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
2068 heads = [self.rev(n) for n in heads]
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
2069
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
2070 # we want the ancestors, but inclusive
48946
642e31cb55f0 py3: use class X: instead of class X(object):
Gregory Szorc <gregory.szorc@gmail.com>
parents: 48928
diff changeset
2071 class lazyset:
20073
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
2072 def __init__(self, lazyvalues):
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
2073 self.addedvalues = set()
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
2074 self.lazyvalues = lazyvalues
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
2075
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
2076 def __contains__(self, value):
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
2077 return value in self.addedvalues or value in self.lazyvalues
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
2078
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
2079 def __iter__(self):
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
2080 added = self.addedvalues
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
2081 for r in added:
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
2082 yield r
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
2083 for r in self.lazyvalues:
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
2084 if not r in added:
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
2085 yield r
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
2086
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
2087 def add(self, value):
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
2088 self.addedvalues.add(value)
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
2089
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
2090 def update(self, values):
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
2091 self.addedvalues.update(values)
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
2092
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
2093 has = lazyset(self.ancestors(common))
8152
08e1baf924ca replace set-like dictionaries with real sets
Martin Geisler <mg@lazybytes.net>
parents: 8150
diff changeset
2094 has.add(nullrev)
08e1baf924ca replace set-like dictionaries with real sets
Martin Geisler <mg@lazybytes.net>
parents: 8150
diff changeset
2095 has.update(common)
7233
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
2096
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
2097 # take all ancestors from heads that aren't in has
8453
d1ca637b0773 revlog.missing(): use sets instead of a dict
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 8391
diff changeset
2098 missing = set()
25113
0ca8410ea345 util: drop alias for collections.deque
Martin von Zweigbergk <martinvonz@google.com>
parents: 24454
diff changeset
2099 visit = collections.deque(r for r in heads if r not in has)
7233
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
2100 while visit:
16803
107a3270a24a cleanup: use the deque type where appropriate
Bryan O'Sullivan <bryano@fb.com>
parents: 16786
diff changeset
2101 r = visit.popleft()
7233
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
2102 if r in missing:
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
2103 continue
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
2104 else:
8453
d1ca637b0773 revlog.missing(): use sets instead of a dict
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 8391
diff changeset
2105 missing.add(r)
7233
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
2106 for p in self.parentrevs(r):
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
2107 if p not in has:
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
2108 visit.append(p)
8453
d1ca637b0773 revlog.missing(): use sets instead of a dict
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 8391
diff changeset
2109 missing = list(missing)
7233
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
2110 missing.sort()
30391
2ded17b64f09 revlog: avoid shadowing several variables using list comprehensions
Augie Fackler <augie@google.com>
parents: 30289
diff changeset
2111 return has, [self.node(miss) for miss in missing]
13741
b51bf961b3cb wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13400
diff changeset
2112
23337
3a8a763f4197 revlog: add a method to get missing revs incrementally
Siddharth Agarwal <sid0@fb.com>
parents: 23328
diff changeset
2113 def incrementalmissingrevs(self, common=None):
3a8a763f4197 revlog: add a method to get missing revs incrementally
Siddharth Agarwal <sid0@fb.com>
parents: 23328
diff changeset
2114 """Return an object that can be used to incrementally compute the
3a8a763f4197 revlog: add a method to get missing revs incrementally
Siddharth Agarwal <sid0@fb.com>
parents: 23328
diff changeset
2115 revision numbers of the ancestors of arbitrary sets that are not
3a8a763f4197 revlog: add a method to get missing revs incrementally
Siddharth Agarwal <sid0@fb.com>
parents: 23328
diff changeset
2116 ancestors of common. This is an ancestor.incrementalmissingancestors
3a8a763f4197 revlog: add a method to get missing revs incrementally
Siddharth Agarwal <sid0@fb.com>
parents: 23328
diff changeset
2117 object.
3a8a763f4197 revlog: add a method to get missing revs incrementally
Siddharth Agarwal <sid0@fb.com>
parents: 23328
diff changeset
2118
3a8a763f4197 revlog: add a method to get missing revs incrementally
Siddharth Agarwal <sid0@fb.com>
parents: 23328
diff changeset
2119 'common' is a list of revision numbers. If common is not supplied, uses
3a8a763f4197 revlog: add a method to get missing revs incrementally
Siddharth Agarwal <sid0@fb.com>
parents: 23328
diff changeset
2120 nullrev.
3a8a763f4197 revlog: add a method to get missing revs incrementally
Siddharth Agarwal <sid0@fb.com>
parents: 23328
diff changeset
2121 """
3a8a763f4197 revlog: add a method to get missing revs incrementally
Siddharth Agarwal <sid0@fb.com>
parents: 23328
diff changeset
2122 if common is None:
3a8a763f4197 revlog: add a method to get missing revs incrementally
Siddharth Agarwal <sid0@fb.com>
parents: 23328
diff changeset
2123 common = [nullrev]
3a8a763f4197 revlog: add a method to get missing revs incrementally
Siddharth Agarwal <sid0@fb.com>
parents: 23328
diff changeset
2124
47269
6be2a7ca4b1d revlog: do not call Rust code if the index is not compatible with it
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47266
diff changeset
2125 if rustancestor is not None and self.index.rust_ext_compat:
42452
a3a8887e4426 rust: using policy.importrust from Python callers
Georges Racinet <georges.racinet@octobus.net>
parents: 42446
diff changeset
2126 return rustancestor.MissingAncestors(self.index, common)
23337
3a8a763f4197 revlog: add a method to get missing revs incrementally
Siddharth Agarwal <sid0@fb.com>
parents: 23328
diff changeset
2127 return ancestor.incrementalmissingancestors(self.parentrevs, common)
3a8a763f4197 revlog: add a method to get missing revs incrementally
Siddharth Agarwal <sid0@fb.com>
parents: 23328
diff changeset
2128
17972
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
2129 def findmissingrevs(self, common=None, heads=None):
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
2130 """Return the revision numbers of the ancestors of heads that
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
2131 are not ancestors of common.
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
2132
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
2133 More specifically, return a list of revision numbers corresponding to
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
2134 nodes N such that every N satisfies the following constraints:
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
2135
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
2136 1. N is an ancestor of some node in 'heads'
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
2137 2. N is not an ancestor of any node in 'common'
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
2138
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
2139 The list is sorted by revision number, meaning it is
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
2140 topologically sorted.
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
2141
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
2142 'heads' and 'common' are both lists of revision numbers. If heads is
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
2143 not supplied, uses all of the revlog's heads. If common is not
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
2144 supplied, uses nullid."""
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
2145 if common is None:
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
2146 common = [nullrev]
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
2147 if heads is None:
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
2148 heads = self.headrevs()
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
2149
23338
d8f5b2f50f41 revlog: switch findmissing* methods to incrementalmissingrevs
Siddharth Agarwal <sid0@fb.com>
parents: 23337
diff changeset
2150 inc = self.incrementalmissingrevs(common=common)
d8f5b2f50f41 revlog: switch findmissing* methods to incrementalmissingrevs
Siddharth Agarwal <sid0@fb.com>
parents: 23337
diff changeset
2151 return inc.missingancestors(heads)
17972
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
2152
13741
b51bf961b3cb wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13400
diff changeset
2153 def findmissing(self, common=None, heads=None):
b51bf961b3cb wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13400
diff changeset
2154 """Return the ancestors of heads that are not ancestors of common.
b51bf961b3cb wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13400
diff changeset
2155
b51bf961b3cb wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13400
diff changeset
2156 More specifically, return a list of nodes N such that every N
b51bf961b3cb wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13400
diff changeset
2157 satisfies the following constraints:
b51bf961b3cb wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13400
diff changeset
2158
b51bf961b3cb wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13400
diff changeset
2159 1. N is an ancestor of some node in 'heads'
b51bf961b3cb wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13400
diff changeset
2160 2. N is not an ancestor of any node in 'common'
b51bf961b3cb wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13400
diff changeset
2161
b51bf961b3cb wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13400
diff changeset
2162 The list is sorted by revision number, meaning it is
b51bf961b3cb wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13400
diff changeset
2163 topologically sorted.
b51bf961b3cb wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13400
diff changeset
2164
b51bf961b3cb wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13400
diff changeset
2165 'heads' and 'common' are both lists of node IDs. If heads is
b51bf961b3cb wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13400
diff changeset
2166 not supplied, uses all of the revlog's heads. If common is not
b51bf961b3cb wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13400
diff changeset
2167 supplied, uses nullid."""
17971
e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors
Siddharth Agarwal <sid0@fb.com>
parents: 17951
diff changeset
2168 if common is None:
47012
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
2169 common = [self.nullid]
17971
e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors
Siddharth Agarwal <sid0@fb.com>
parents: 17951
diff changeset
2170 if heads is None:
e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors
Siddharth Agarwal <sid0@fb.com>
parents: 17951
diff changeset
2171 heads = self.heads()
e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors
Siddharth Agarwal <sid0@fb.com>
parents: 17951
diff changeset
2172
e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors
Siddharth Agarwal <sid0@fb.com>
parents: 17951
diff changeset
2173 common = [self.rev(n) for n in common]
e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors
Siddharth Agarwal <sid0@fb.com>
parents: 17951
diff changeset
2174 heads = [self.rev(n) for n in heads]
e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors
Siddharth Agarwal <sid0@fb.com>
parents: 17951
diff changeset
2175
23338
d8f5b2f50f41 revlog: switch findmissing* methods to incrementalmissingrevs
Siddharth Agarwal <sid0@fb.com>
parents: 23337
diff changeset
2176 inc = self.incrementalmissingrevs(common=common)
d8f5b2f50f41 revlog: switch findmissing* methods to incrementalmissingrevs
Siddharth Agarwal <sid0@fb.com>
parents: 23337
diff changeset
2177 return [self.node(r) for r in inc.missingancestors(heads)]
7233
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
2178
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2179 def nodesbetween(self, roots=None, heads=None):
10047
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
2180 """Return a topological path from 'roots' to 'heads'.
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
2181
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
2182 Return a tuple (nodes, outroots, outheads) where 'nodes' is a
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
2183 topologically sorted list of all nodes N that satisfy both of
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
2184 these constraints:
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
2185
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
2186 1. N is a descendant of some node in 'roots'
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
2187 2. N is an ancestor of some node in 'heads'
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2188
10047
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
2189 Every node is considered to be both a descendant and an ancestor
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
2190 of itself, so every reachable node in 'roots' and 'heads' will be
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
2191 included in 'nodes'.
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2192
10047
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
2193 'outroots' is the list of reachable nodes in 'roots', i.e., the
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
2194 subset of 'roots' that is returned in 'nodes'. Likewise,
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
2195 'outheads' is the subset of 'heads' that is also in 'nodes'.
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
2196
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
2197 'roots' and 'heads' are both lists of node IDs. If 'roots' is
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
2198 unspecified, uses nullid as the only root. If 'heads' is
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
2199 unspecified, uses list of all of the revlog's heads."""
1463
26e73acc0cdf Fix to handle case of empty list for roots or heads in nodesbetween.
Eric Hopper <hopper@omnifarious.org>
parents: 1459
diff changeset
2200 nonodes = ([], [], [])
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2201 if roots is not None:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2202 roots = list(roots)
1463
26e73acc0cdf Fix to handle case of empty list for roots or heads in nodesbetween.
Eric Hopper <hopper@omnifarious.org>
parents: 1459
diff changeset
2203 if not roots:
26e73acc0cdf Fix to handle case of empty list for roots or heads in nodesbetween.
Eric Hopper <hopper@omnifarious.org>
parents: 1459
diff changeset
2204 return nonodes
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2205 lowestrev = min([self.rev(n) for n in roots])
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2206 else:
47012
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
2207 roots = [self.nullid] # Everybody's a descendant of nullid
3578
3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3508
diff changeset
2208 lowestrev = nullrev
3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3508
diff changeset
2209 if (lowestrev == nullrev) and (heads is None):
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2210 # We want _all_ the nodes!
47012
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
2211 return (
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
2212 [self.node(r) for r in self],
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
2213 [self.nullid],
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
2214 list(self.heads()),
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
2215 )
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2216 if heads is None:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2217 # All nodes are ancestors, so the latest ancestor is the last
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2218 # node.
6750
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog
Matt Mackall <mpm@selenic.com>
parents: 6703
diff changeset
2219 highestrev = len(self) - 1
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2220 # Set ancestors to None to signal that every node is an ancestor.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2221 ancestors = None
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2222 # Set heads to an empty dictionary for later discovery of heads
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2223 heads = {}
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2224 else:
1463
26e73acc0cdf Fix to handle case of empty list for roots or heads in nodesbetween.
Eric Hopper <hopper@omnifarious.org>
parents: 1459
diff changeset
2225 heads = list(heads)
26e73acc0cdf Fix to handle case of empty list for roots or heads in nodesbetween.
Eric Hopper <hopper@omnifarious.org>
parents: 1459
diff changeset
2226 if not heads:
26e73acc0cdf Fix to handle case of empty list for roots or heads in nodesbetween.
Eric Hopper <hopper@omnifarious.org>
parents: 1459
diff changeset
2227 return nonodes
8464
7af92e70bb25 revlog: use set instead of dict
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 8453
diff changeset
2228 ancestors = set()
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2229 # Turn heads into a dictionary so we can remove 'fake' heads.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2230 # Also, later we will be using it to filter out the heads we can't
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2231 # find from roots.
14219
c33427080671 revlog: use real Booleans instead of 0/1 in nodesbetween
Martin Geisler <mg@aragost.com>
parents: 14208
diff changeset
2232 heads = dict.fromkeys(heads, False)
3360
ef8307585b41 nodesbetween: fix a bug with duplicate heads
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3335
diff changeset
2233 # Start at the top and keep marking parents until we're done.
8163
62d7287fe6b0 rebase, revlog: use set(x) instead of set(x.keys())
Martin Geisler <mg@lazybytes.net>
parents: 8153
diff changeset
2234 nodestotag = set(heads)
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2235 # Remember where the top was so we can use it as a limit later.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2236 highestrev = max([self.rev(n) for n in nodestotag])
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2237 while nodestotag:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2238 # grab a node to tag
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2239 n = nodestotag.pop()
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2240 # Never tag nullid
47012
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
2241 if n == self.nullid:
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2242 continue
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2243 # A node's revision number represents its place in a
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2244 # topologically sorted list of nodes.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2245 r = self.rev(n)
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2246 if r >= lowestrev:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2247 if n not in ancestors:
14549
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
2248 # If we are possibly a descendant of one of the roots
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2249 # and we haven't already been marked as an ancestor
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2250 ancestors.add(n) # Mark as ancestor
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2251 # Add non-nullid parents to list of nodes to tag.
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2252 nodestotag.update(
47012
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
2253 [p for p in self.parents(n) if p != self.nullid]
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2254 )
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2255 elif n in heads: # We've seen it before, is it a fake head?
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2256 # So it is, real heads should not be the ancestors of
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2257 # any other heads.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2258 heads.pop(n)
1459
106fdec8e1fb Fix small bug in nodesbetween if heads is [nullid].
Eric Hopper <hopper@omnifarious.org>
parents: 1458
diff changeset
2259 if not ancestors:
1463
26e73acc0cdf Fix to handle case of empty list for roots or heads in nodesbetween.
Eric Hopper <hopper@omnifarious.org>
parents: 1459
diff changeset
2260 return nonodes
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2261 # Now that we have our set of ancestors, we want to remove any
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2262 # roots that are not ancestors.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2263
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2264 # If one of the roots was nullid, everything is included anyway.
3578
3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3508
diff changeset
2265 if lowestrev > nullrev:
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2266 # But, since we weren't, let's recompute the lowest rev to not
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2267 # include roots that aren't ancestors.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2268
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2269 # Filter out roots that aren't ancestors of heads
30391
2ded17b64f09 revlog: avoid shadowing several variables using list comprehensions
Augie Fackler <augie@google.com>
parents: 30289
diff changeset
2270 roots = [root for root in roots if root in ancestors]
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2271 # Recompute the lowest revision
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2272 if roots:
30391
2ded17b64f09 revlog: avoid shadowing several variables using list comprehensions
Augie Fackler <augie@google.com>
parents: 30289
diff changeset
2273 lowestrev = min([self.rev(root) for root in roots])
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2274 else:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2275 # No more roots? Return empty list
1463
26e73acc0cdf Fix to handle case of empty list for roots or heads in nodesbetween.
Eric Hopper <hopper@omnifarious.org>
parents: 1459
diff changeset
2276 return nonodes
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2277 else:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2278 # We are descending from nullid, and don't need to care about
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2279 # any other roots.
3578
3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3508
diff changeset
2280 lowestrev = nullrev
47012
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
2281 roots = [self.nullid]
8152
08e1baf924ca replace set-like dictionaries with real sets
Martin Geisler <mg@lazybytes.net>
parents: 8150
diff changeset
2282 # Transform our roots list into a set.
14549
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
2283 descendants = set(roots)
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2284 # Also, keep the original roots so we can filter out roots that aren't
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2285 # 'real' roots (i.e. are descended from other roots).
14549
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
2286 roots = descendants.copy()
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2287 # Our topologically sorted list of output nodes.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2288 orderedout = []
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2289 # Don't start at nullid since we don't want nullid in our output list,
17483
fe3b26048140 spelling: descendants
timeless@mozdev.org
parents: 17150
diff changeset
2290 # and if nullid shows up in descendants, empty parents will look like
14549
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
2291 # they're descendants.
17672
474047947b8f clfilter: make the revlog class responsible of all its iteration
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17537
diff changeset
2292 for r in self.revs(start=max(lowestrev, 0), stop=highestrev + 1):
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2293 n = self.node(r)
14549
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
2294 isdescendant = False
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
2295 if lowestrev == nullrev: # Everybody is a descendant of nullid
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
2296 isdescendant = True
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
2297 elif n in descendants:
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
2298 # n is already a descendant
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
2299 isdescendant = True
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2300 # This check only needs to be done here because all the roots
14549
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
2301 # will start being marked is descendants before the loop.
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2302 if n in roots:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2303 # If n was a root, check if it's a 'real' root.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2304 p = tuple(self.parents(n))
14549
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
2305 # If any of its parents are descendants, it's not a root.
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
2306 if (p[0] in descendants) or (p[1] in descendants):
8152
08e1baf924ca replace set-like dictionaries with real sets
Martin Geisler <mg@lazybytes.net>
parents: 8150
diff changeset
2307 roots.remove(n)
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2308 else:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2309 p = tuple(self.parents(n))
14549
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
2310 # A node is a descendant if either of its parents are
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
2311 # descendants. (We seeded the dependents list with the roots
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2312 # up there, remember?)
14549
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
2313 if (p[0] in descendants) or (p[1] in descendants):
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
2314 descendants.add(n)
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
2315 isdescendant = True
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
2316 if isdescendant and ((ancestors is None) or (n in ancestors)):
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
2317 # Only include nodes that are both descendants and ancestors.
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2318 orderedout.append(n)
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2319 if (ancestors is not None) and (n in heads):
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2320 # We're trying to figure out which heads are reachable
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2321 # from roots.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2322 # Mark this head as having been reached
14219
c33427080671 revlog: use real Booleans instead of 0/1 in nodesbetween
Martin Geisler <mg@aragost.com>
parents: 14208
diff changeset
2323 heads[n] = True
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2324 elif ancestors is None:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2325 # Otherwise, we're trying to discover the heads.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2326 # Assume this is a head because if it isn't, the next step
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2327 # will eventually remove it.
14219
c33427080671 revlog: use real Booleans instead of 0/1 in nodesbetween
Martin Geisler <mg@aragost.com>
parents: 14208
diff changeset
2328 heads[n] = True
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2329 # But, obviously its parents aren't.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2330 for p in self.parents(n):
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2331 heads.pop(p, None)
48913
f254fc73d956 global: bulk replace simple pycompat.iteritems(x) with x.items()
Gregory Szorc <gregory.szorc@gmail.com>
parents: 48875
diff changeset
2332 heads = [head for head, flag in heads.items() if flag]
8152
08e1baf924ca replace set-like dictionaries with real sets
Martin Geisler <mg@lazybytes.net>
parents: 8150
diff changeset
2333 roots = list(roots)
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2334 assert orderedout
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2335 assert roots
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2336 assert heads
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2337 return (orderedout, roots, heads)
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
2338
41275
1421d0487a61 revlog: accept a revs argument in `headrevs`
Boris Feld <boris.feld@octobus.net>
parents: 41247
diff changeset
2339 def headrevs(self, revs=None):
1421d0487a61 revlog: accept a revs argument in `headrevs`
Boris Feld <boris.feld@octobus.net>
parents: 41247
diff changeset
2340 if revs is None:
1421d0487a61 revlog: accept a revs argument in `headrevs`
Boris Feld <boris.feld@octobus.net>
parents: 41247
diff changeset
2341 try:
1421d0487a61 revlog: accept a revs argument in `headrevs`
Boris Feld <boris.feld@octobus.net>
parents: 41247
diff changeset
2342 return self.index.headrevs()
1421d0487a61 revlog: accept a revs argument in `headrevs`
Boris Feld <boris.feld@octobus.net>
parents: 41247
diff changeset
2343 except AttributeError:
1421d0487a61 revlog: accept a revs argument in `headrevs`
Boris Feld <boris.feld@octobus.net>
parents: 41247
diff changeset
2344 return self._headrevs()
47269
6be2a7ca4b1d revlog: do not call Rust code if the index is not compatible with it
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47266
diff changeset
2345 if rustdagop is not None and self.index.rust_ext_compat:
42452
a3a8887e4426 rust: using policy.importrust from Python callers
Georges Racinet <georges.racinet@octobus.net>
parents: 42446
diff changeset
2346 return rustdagop.headrevs(self.index, revs)
41763
6843379bf99e changelog: prefilter in headrevs()
Georges Racinet <georges.racinet@octobus.net>
parents: 41689
diff changeset
2347 return dagop.headrevs(revs, self._uncheckedparentrevs)
17674
e69274f8d444 clfilter: split `revlog.headrevs` C call from python code
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17673
diff changeset
2348
51392
a0d88b021a98 unbundle: faster computation of changed heads
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51315
diff changeset
2349 def headrevsdiff(self, start, stop):
a0d88b021a98 unbundle: faster computation of changed heads
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51315
diff changeset
2350 try:
a0d88b021a98 unbundle: faster computation of changed heads
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51315
diff changeset
2351 return self.index.headrevsdiff(start, stop)
a0d88b021a98 unbundle: faster computation of changed heads
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51315
diff changeset
2352 except AttributeError:
a0d88b021a98 unbundle: faster computation of changed heads
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51315
diff changeset
2353 return dagop.headrevsdiff(self._uncheckedparentrevs, start, stop)
a0d88b021a98 unbundle: faster computation of changed heads
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51315
diff changeset
2354
24444
27e3ba73fbb1 phase: default to C implementation for phase computation
Laurent Charignon <lcharignon@fb.com>
parents: 24255
diff changeset
2355 def computephases(self, roots):
25361
1635579f9baf phases: fix bug where native phase computation wasn't called
Laurent Charignon <lcharignon@fb.com>
parents: 25113
diff changeset
2356 return self.index.computephasesmapsets(roots)
24444
27e3ba73fbb1 phase: default to C implementation for phase computation
Laurent Charignon <lcharignon@fb.com>
parents: 24255
diff changeset
2357
17674
e69274f8d444 clfilter: split `revlog.headrevs` C call from python code
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17673
diff changeset
2358 def _headrevs(self):
14164
cb98fed52495 discovery: add new set-based discovery
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 14144
diff changeset
2359 count = len(self)
cb98fed52495 discovery: add new set-based discovery
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 14144
diff changeset
2360 if not count:
cb98fed52495 discovery: add new set-based discovery
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 14144
diff changeset
2361 return [nullrev]
17673
d686c6876ef6 clfilter: handle non contiguous iteration in `revlov.headrevs`
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17672
diff changeset
2362 # we won't iter over filtered rev so nobody is a head at start
d686c6876ef6 clfilter: handle non contiguous iteration in `revlov.headrevs`
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17672
diff changeset
2363 ishead = [0] * (count + 1)
14164
cb98fed52495 discovery: add new set-based discovery
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 14144
diff changeset
2364 index = self.index
17672
474047947b8f clfilter: make the revlog class responsible of all its iteration
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17537
diff changeset
2365 for r in self:
17673
d686c6876ef6 clfilter: handle non contiguous iteration in `revlov.headrevs`
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17672
diff changeset
2366 ishead[r] = 1 # I may be an head
14164
cb98fed52495 discovery: add new set-based discovery
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 14144
diff changeset
2367 e = index[r]
17673
d686c6876ef6 clfilter: handle non contiguous iteration in `revlov.headrevs`
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17672
diff changeset
2368 ishead[e[5]] = ishead[e[6]] = 0 # my parent are not
d686c6876ef6 clfilter: handle non contiguous iteration in `revlov.headrevs`
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17672
diff changeset
2369 return [r for r, val in enumerate(ishead) if val]
14164
cb98fed52495 discovery: add new set-based discovery
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 14144
diff changeset
2370
51259
f20c4b307a5a rust-index: add fast-path for getting a list of all heads as nodes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51251
diff changeset
2371 def _head_node_ids(self):
f20c4b307a5a rust-index: add fast-path for getting a list of all heads as nodes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51251
diff changeset
2372 try:
f20c4b307a5a rust-index: add fast-path for getting a list of all heads as nodes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51251
diff changeset
2373 return self.index.head_node_ids()
f20c4b307a5a rust-index: add fast-path for getting a list of all heads as nodes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51251
diff changeset
2374 except AttributeError:
f20c4b307a5a rust-index: add fast-path for getting a list of all heads as nodes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51251
diff changeset
2375 return [self.node(r) for r in self.headrevs()]
f20c4b307a5a rust-index: add fast-path for getting a list of all heads as nodes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51251
diff changeset
2376
3923
27230c29bfec fix calculation of new heads added during push with -r
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3755
diff changeset
2377 def heads(self, start=None, stop=None):
1550
ccb9b62de892 add a -r/--rev option to heads to show only heads descendant from rev
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1535
diff changeset
2378 """return the list of all nodes that have no children
1551
e793cbc8be00 Fixes to "hg heads -r FOO":
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1550
diff changeset
2379
e793cbc8be00 Fixes to "hg heads -r FOO":
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1550
diff changeset
2380 if start is specified, only heads that are descendants of
e793cbc8be00 Fixes to "hg heads -r FOO":
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1550
diff changeset
2381 start will be returned
3923
27230c29bfec fix calculation of new heads added during push with -r
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3755
diff changeset
2382 if stop is specified, it will consider all the revs from stop
27230c29bfec fix calculation of new heads added during push with -r
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3755
diff changeset
2383 as if they had no children
1551
e793cbc8be00 Fixes to "hg heads -r FOO":
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1550
diff changeset
2384 """
4991
9c8c42bcf17a revlog: implement a fast path for heads
Matt Mackall <mpm@selenic.com>
parents: 4990
diff changeset
2385 if start is None and stop is None:
14164
cb98fed52495 discovery: add new set-based discovery
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 14144
diff changeset
2386 if not len(self):
47012
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
2387 return [self.nullid]
51259
f20c4b307a5a rust-index: add fast-path for getting a list of all heads as nodes
Rapha?l Gom?s <rgomes@octobus.net>
parents: 51251
diff changeset
2388 return self._head_node_ids()
1551
e793cbc8be00 Fixes to "hg heads -r FOO":
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1550
diff changeset
2389 if start is None:
40000
8af835af0a85 dagop: extract DAG local heads functionality from revlog
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39999
diff changeset
2390 start = nullrev
8af835af0a85 dagop: extract DAG local heads functionality from revlog
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39999
diff changeset
2391 else:
8af835af0a85 dagop: extract DAG local heads functionality from revlog
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39999
diff changeset
2392 start = self.rev(start)
8af835af0a85 dagop: extract DAG local heads functionality from revlog
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39999
diff changeset
2393
44452
9d2b2df2c2ba cleanup: run pyupgrade on our source tree to clean up varying things
Augie Fackler <augie@google.com>
parents: 44445
diff changeset
2394 stoprevs = {self.rev(n) for n in stop or []}
40000
8af835af0a85 dagop: extract DAG local heads functionality from revlog
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39999
diff changeset
2395
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2396 revs = dagop.headrevssubset(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2397 self.revs, self.parentrevs, startrev=start, stoprevs=stoprevs
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2398 )
40000
8af835af0a85 dagop: extract DAG local heads functionality from revlog
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39999
diff changeset
2399
8af835af0a85 dagop: extract DAG local heads functionality from revlog
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39999
diff changeset
2400 return [self.node(rev) for rev in revs]
370
c90385d82aec revlog: add a children function
mpm@selenic.com
parents: 330
diff changeset
2401
51392
a0d88b021a98 unbundle: faster computation of changed heads
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51315
diff changeset
2402 def diffheads(self, start, stop):
a0d88b021a98 unbundle: faster computation of changed heads
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51315
diff changeset
2403 """return the nodes that make up the difference between
a0d88b021a98 unbundle: faster computation of changed heads
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51315
diff changeset
2404 heads of revs before `start` and heads of revs before `stop`"""
a0d88b021a98 unbundle: faster computation of changed heads
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51315
diff changeset
2405 removed, added = self.headrevsdiff(start, stop)
a0d88b021a98 unbundle: faster computation of changed heads
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51315
diff changeset
2406 return [self.node(r) for r in removed], [self.node(r) for r in added]
a0d88b021a98 unbundle: faster computation of changed heads
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 51315
diff changeset
2407
370
c90385d82aec revlog: add a children function
mpm@selenic.com
parents: 330
diff changeset
2408 def children(self, node):
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
2409 """find the children of a given node"""
370
c90385d82aec revlog: add a children function
mpm@selenic.com
parents: 330
diff changeset
2410 c = []
c90385d82aec revlog: add a children function
mpm@selenic.com
parents: 330
diff changeset
2411 p = self.rev(node)
17672
474047947b8f clfilter: make the revlog class responsible of all its iteration
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17537
diff changeset
2412 for r in self.revs(start=p + 1):
4746
62c56d8f368b Fix revlog.children so the real children of the null revision can be calculated.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4635
diff changeset
2413 prevs = [pr for pr in self.parentrevs(r) if pr != nullrev]
62c56d8f368b Fix revlog.children so the real children of the null revision can be calculated.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4635
diff changeset
2414 if prevs:
62c56d8f368b Fix revlog.children so the real children of the null revision can be calculated.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4635
diff changeset
2415 for pr in prevs:
62c56d8f368b Fix revlog.children so the real children of the null revision can be calculated.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4635
diff changeset
2416 if pr == p:
62c56d8f368b Fix revlog.children so the real children of the null revision can be calculated.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4635
diff changeset
2417 c.append(self.node(r))
62c56d8f368b Fix revlog.children so the real children of the null revision can be calculated.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4635
diff changeset
2418 elif p == nullrev:
62c56d8f368b Fix revlog.children so the real children of the null revision can be calculated.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4635
diff changeset
2419 c.append(self.node(r))
370
c90385d82aec revlog: add a children function
mpm@selenic.com
parents: 330
diff changeset
2420 return c
515
03f27b1381f9 Whitespace cleanups
mpm@selenic.com
parents: 484
diff changeset
2421
21104
40ace21cb3a1 revlog: introduce commonancestorsheads method
Mads Kiilerich <madski@unity3d.com>
parents: 20965
diff changeset
2422 def commonancestorsheads(self, a, b):
40ace21cb3a1 revlog: introduce commonancestorsheads method
Mads Kiilerich <madski@unity3d.com>
parents: 20965
diff changeset
2423 """calculate all the heads of the common ancestors of nodes a and b"""
40ace21cb3a1 revlog: introduce commonancestorsheads method
Mads Kiilerich <madski@unity3d.com>
parents: 20965
diff changeset
2424 a, b = self.rev(a), self.rev(b)
38512
99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads
Boris Feld <boris.feld@octobus.net>
parents: 38511
diff changeset
2425 ancs = self._commonancestorsheads(a, b)
99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads
Boris Feld <boris.feld@octobus.net>
parents: 38511
diff changeset
2426 return pycompat.maplist(self.node, ancs)
99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads
Boris Feld <boris.feld@octobus.net>
parents: 38511
diff changeset
2427
99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads
Boris Feld <boris.feld@octobus.net>
parents: 38511
diff changeset
2428 def _commonancestorsheads(self, *revs):
99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads
Boris Feld <boris.feld@octobus.net>
parents: 38511
diff changeset
2429 """calculate all the heads of the common ancestors of revs"""
21104
40ace21cb3a1 revlog: introduce commonancestorsheads method
Mads Kiilerich <madski@unity3d.com>
parents: 20965
diff changeset
2430 try:
38512
99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads
Boris Feld <boris.feld@octobus.net>
parents: 38511
diff changeset
2431 ancs = self.index.commonancestorsheads(*revs)
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2432 except (AttributeError, OverflowError): # C implementation failed
38512
99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads
Boris Feld <boris.feld@octobus.net>
parents: 38511
diff changeset
2433 ancs = ancestor.commonancestorsheads(self.parentrevs, *revs)
99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads
Boris Feld <boris.feld@octobus.net>
parents: 38511
diff changeset
2434 return ancs
21104
40ace21cb3a1 revlog: introduce commonancestorsheads method
Mads Kiilerich <madski@unity3d.com>
parents: 20965
diff changeset
2435
22381
392ae5cb8d62 revlog: introduce isancestor method for efficiently determining node lineage
Mads Kiilerich <madski@unity3d.com>
parents: 22282
diff changeset
2436 def isancestor(self, a, b):
38664
160da69ba1bf revlog: replace descendant(b, a) by isdescendantrev(a, b) (API)
Martin von Zweigbergk <martinvonz@google.com>
parents: 38663
diff changeset
2437 """return True if node a is an ancestor of node b
160da69ba1bf revlog: replace descendant(b, a) by isdescendantrev(a, b) (API)
Martin von Zweigbergk <martinvonz@google.com>
parents: 38663
diff changeset
2438
160da69ba1bf revlog: replace descendant(b, a) by isdescendantrev(a, b) (API)
Martin von Zweigbergk <martinvonz@google.com>
parents: 38663
diff changeset
2439 A revision is considered an ancestor of itself."""
38514
cc3543c87de5 revlog: reuse 'descendant' implemention in 'isancestor'
Boris Feld <boris.feld@octobus.net>
parents: 38513
diff changeset
2440 a, b = self.rev(a), self.rev(b)
38666
a06b2b032557 revlog: introduce a isancestorrev() and use it in rebase
Martin von Zweigbergk <martinvonz@google.com>
parents: 38665
diff changeset
2441 return self.isancestorrev(a, b)
a06b2b032557 revlog: introduce a isancestorrev() and use it in rebase
Martin von Zweigbergk <martinvonz@google.com>
parents: 38665
diff changeset
2442
a06b2b032557 revlog: introduce a isancestorrev() and use it in rebase
Martin von Zweigbergk <martinvonz@google.com>
parents: 38665
diff changeset
2443 def isancestorrev(self, a, b):
a06b2b032557 revlog: introduce a isancestorrev() and use it in rebase
Martin von Zweigbergk <martinvonz@google.com>
parents: 38665
diff changeset
2444 """return True if revision a is an ancestor of revision b
a06b2b032557 revlog: introduce a isancestorrev() and use it in rebase
Martin von Zweigbergk <martinvonz@google.com>
parents: 38665
diff changeset
2445
38668
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev()
Martin von Zweigbergk <martinvonz@google.com>
parents: 38666
diff changeset
2446 A revision is considered an ancestor of itself.
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev()
Martin von Zweigbergk <martinvonz@google.com>
parents: 38666
diff changeset
2447
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev()
Martin von Zweigbergk <martinvonz@google.com>
parents: 38666
diff changeset
2448 The implementation of this is trivial but the use of
42446
055c3e2c44f0 revlog: speed up isancestor
Valentin Gatien-Baron <vgatien-baron@janestreet.com>
parents: 42044
diff changeset
2449 reachableroots is not."""
38668
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev()
Martin von Zweigbergk <martinvonz@google.com>
parents: 38666
diff changeset
2450 if a == nullrev:
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev()
Martin von Zweigbergk <martinvonz@google.com>
parents: 38666
diff changeset
2451 return True
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev()
Martin von Zweigbergk <martinvonz@google.com>
parents: 38666
diff changeset
2452 elif a == b:
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev()
Martin von Zweigbergk <martinvonz@google.com>
parents: 38666
diff changeset
2453 return True
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev()
Martin von Zweigbergk <martinvonz@google.com>
parents: 38666
diff changeset
2454 elif a > b:
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev()
Martin von Zweigbergk <martinvonz@google.com>
parents: 38666
diff changeset
2455 return False
42446
055c3e2c44f0 revlog: speed up isancestor
Valentin Gatien-Baron <vgatien-baron@janestreet.com>
parents: 42044
diff changeset
2456 return bool(self.reachableroots(a, [b], [a], includepath=False))
055c3e2c44f0 revlog: speed up isancestor
Valentin Gatien-Baron <vgatien-baron@janestreet.com>
parents: 42044
diff changeset
2457
055c3e2c44f0 revlog: speed up isancestor
Valentin Gatien-Baron <vgatien-baron@janestreet.com>
parents: 42044
diff changeset
2458 def reachableroots(self, minroot, heads, roots, includepath=False):
43779
2e30d7df4809 revlog: fix revset in reachableroots docstring
Jun Wu <quark@fb.com>
parents: 43619
diff changeset
2459 """return (heads(::(<roots> and <roots>::<heads>)))
42446
055c3e2c44f0 revlog: speed up isancestor
Valentin Gatien-Baron <vgatien-baron@janestreet.com>
parents: 42044
diff changeset
2460
055c3e2c44f0 revlog: speed up isancestor
Valentin Gatien-Baron <vgatien-baron@janestreet.com>
parents: 42044
diff changeset
2461 If includepath is True, return (<roots>::<heads>)."""
055c3e2c44f0 revlog: speed up isancestor
Valentin Gatien-Baron <vgatien-baron@janestreet.com>
parents: 42044
diff changeset
2462 try:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2463 return self.index.reachableroots2(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2464 minroot, heads, roots, includepath
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2465 )
42446
055c3e2c44f0 revlog: speed up isancestor
Valentin Gatien-Baron <vgatien-baron@janestreet.com>
parents: 42044
diff changeset
2466 except AttributeError:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2467 return dagop._reachablerootspure(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2468 self.parentrevs, minroot, roots, heads, includepath
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2469 )
22381
392ae5cb8d62 revlog: introduce isancestor method for efficiently determining node lineage
Mads Kiilerich <madski@unity3d.com>
parents: 22282
diff changeset
2470
21107
4a6c8b6b10d3 revlog: backout 514d32de6646 - commonancestors
Mads Kiilerich <madski@unity3d.com>
parents: 21104
diff changeset
2471 def ancestor(self, a, b):
22389
94f77624dbb5 comments: describe ancestor consistently - avoid 'least common ancestor'
Mads Kiilerich <madski@unity3d.com>
parents: 22381
diff changeset
2472 """calculate the "best" common ancestor of nodes a and b"""
21107
4a6c8b6b10d3 revlog: backout 514d32de6646 - commonancestors
Mads Kiilerich <madski@unity3d.com>
parents: 21104
diff changeset
2473
10897
adb6a291bbdb revlog: put graph related functions together
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 10404
diff changeset
2474 a, b = self.rev(a), self.rev(b)
18988
5bae936764bb parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents: 18987
diff changeset
2475 try:
5bae936764bb parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents: 18987
diff changeset
2476 ancs = self.index.ancestors(a, b)
21107
4a6c8b6b10d3 revlog: backout 514d32de6646 - commonancestors
Mads Kiilerich <madski@unity3d.com>
parents: 21104
diff changeset
2477 except (AttributeError, OverflowError):
18988
5bae936764bb parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents: 18987
diff changeset
2478 ancs = ancestor.ancestors(self.parentrevs, a, b)
18987
3605d4e7e618 revlog: choose a consistent ancestor when there's a tie
Bryan O'Sullivan <bryano@fb.com>
parents: 18986
diff changeset
2479 if ancs:
3605d4e7e618 revlog: choose a consistent ancestor when there's a tie
Bryan O'Sullivan <bryano@fb.com>
parents: 18986
diff changeset
2480 # choose a consistent winner when there's a tie
21107
4a6c8b6b10d3 revlog: backout 514d32de6646 - commonancestors
Mads Kiilerich <madski@unity3d.com>
parents: 21104
diff changeset
2481 return min(map(self.node, ancs))
47012
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
2482 return self.nullid
10897
adb6a291bbdb revlog: put graph related functions together
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 10404
diff changeset
2483
3453
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
2484 def _match(self, id):
16762
93f8b9565257 revlog: don't handle long for revision matching
Matt Mackall <mpm@selenic.com>
parents: 16686
diff changeset
2485 if isinstance(id, int):
3156
d01e4cb2f5f2 cleanups in revlog.lookup
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3139
diff changeset
2486 # rev
2641
156fb1feab62 lookup should allow -1 to represent nullid (if passed an int as arg)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 2600
diff changeset
2487 return self.node(id)
47042
c5e1cc0b4c77 core: don't hard-code node length
Joerg Sonnenberger <joerg@bec.de>
parents: 47041
diff changeset
2488 if len(id) == self.nodeconstants.nodelen:
3438
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
2489 # possibly a binary node
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
2490 # odds of a binary node being all hex in ASCII are 1 in 10**25
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
2491 try:
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
2492 node = id
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2493 self.rev(node) # quick search the index
3438
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
2494 return node
39775
974592474dee revlog: drop LookupError alias (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39774
diff changeset
2495 except error.LookupError:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2496 pass # may be partial hex id
36
da28286bf6b7 Add smart node lookup by substring or by rev number
mpm@selenic.com
parents: 26
diff changeset
2497 try:
3156
d01e4cb2f5f2 cleanups in revlog.lookup
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3139
diff changeset
2498 # str(rev)
36
da28286bf6b7 Add smart node lookup by substring or by rev number
mpm@selenic.com
parents: 26
diff changeset
2499 rev = int(id)
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2500 if b"%d" % rev != id:
4980
fc44c8df9d99 revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents: 4979
diff changeset
2501 raise ValueError
fc44c8df9d99 revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents: 4979
diff changeset
2502 if rev < 0:
6750
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog
Matt Mackall <mpm@selenic.com>
parents: 6703
diff changeset
2503 rev = len(self) + rev
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog
Matt Mackall <mpm@selenic.com>
parents: 6703
diff changeset
2504 if rev < 0 or rev >= len(self):
4980
fc44c8df9d99 revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents: 4979
diff changeset
2505 raise ValueError
36
da28286bf6b7 Add smart node lookup by substring or by rev number
mpm@selenic.com
parents: 26
diff changeset
2506 return self.node(rev)
469
e205194ca7ef Various node id lookup tweaks
mpm@selenic.com
parents: 451
diff changeset
2507 except (ValueError, OverflowError):
3156
d01e4cb2f5f2 cleanups in revlog.lookup
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3139
diff changeset
2508 pass
47041
a407fe56d6e8 core: don't hard-code hex node lengths
Joerg Sonnenberger <joerg@bec.de>
parents: 47038
diff changeset
2509 if len(id) == 2 * self.nodeconstants.nodelen:
3453
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
2510 try:
3438
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
2511 # a full hex nodeid?
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
2512 node = bin(id)
7874
d812029cda85 cleanup: drop variables for unused return values
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 7873
diff changeset
2513 self.rev(node)
3157
4fe41a9e4591 optimize revlog.lookup when passed hex(node)[:...]
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3156
diff changeset
2514 return node
49248
63fd0282ad40 node: stop converting binascii.Error to TypeError in bin()
Manuel Jacob <me@manueljacob.de>
parents: 49247
diff changeset
2515 except (binascii.Error, error.LookupError):
3453
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
2516 pass
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
2517
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
2518 def _partialmatch(self, id):
37449
a0d71618074f revlog: detect pseudo file nodeids to raise WdirUnsupported exception
Yuya Nishihara <yuya@tcha.org>
parents: 37443
diff changeset
2519 # we don't care wdirfilenodeids as they should be always full hash
47012
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
2520 maybewdir = self.nodeconstants.wdirhex.startswith(id)
47294
93a0abe098e7 revlog: avoid raising no-arg RevlogError for internal flow control
Martin von Zweigbergk <martinvonz@google.com>
parents: 47285
diff changeset
2521 ambiguous = False
16665
e410be860393 revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents: 16533
diff changeset
2522 try:
30391
2ded17b64f09 revlog: avoid shadowing several variables using list comprehensions
Augie Fackler <augie@google.com>
parents: 30289
diff changeset
2523 partial = self.index.partialmatch(id)
2ded17b64f09 revlog: avoid shadowing several variables using list comprehensions
Augie Fackler <augie@google.com>
parents: 30289
diff changeset
2524 if partial and self.hasnode(partial):
32684
af854b1b36f8 revlog: add support for partial matching of wdir node id
Yuya Nishihara <yuya@tcha.org>
parents: 32659
diff changeset
2525 if maybewdir:
af854b1b36f8 revlog: add support for partial matching of wdir node id
Yuya Nishihara <yuya@tcha.org>
parents: 32659
diff changeset
2526 # single 'ff...' match in radix tree, ambiguous with wdir
47294
93a0abe098e7 revlog: avoid raising no-arg RevlogError for internal flow control
Martin von Zweigbergk <martinvonz@google.com>
parents: 47285
diff changeset
2527 ambiguous = True
93a0abe098e7 revlog: avoid raising no-arg RevlogError for internal flow control
Martin von Zweigbergk <martinvonz@google.com>
parents: 47285
diff changeset
2528 else:
93a0abe098e7 revlog: avoid raising no-arg RevlogError for internal flow control
Martin von Zweigbergk <martinvonz@google.com>
parents: 47285
diff changeset
2529 return partial
93a0abe098e7 revlog: avoid raising no-arg RevlogError for internal flow control
Martin von Zweigbergk <martinvonz@google.com>
parents: 47285
diff changeset
2530 elif maybewdir:
32684
af854b1b36f8 revlog: add support for partial matching of wdir node id
Yuya Nishihara <yuya@tcha.org>
parents: 32659
diff changeset
2531 # no 'ff...' match in radix tree, wdir identified
af854b1b36f8 revlog: add support for partial matching of wdir node id
Yuya Nishihara <yuya@tcha.org>
parents: 32659
diff changeset
2532 raise error.WdirUnsupported
47294
93a0abe098e7 revlog: avoid raising no-arg RevlogError for internal flow control
Martin von Zweigbergk <martinvonz@google.com>
parents: 47285
diff changeset
2533 else:
93a0abe098e7 revlog: avoid raising no-arg RevlogError for internal flow control
Martin von Zweigbergk <martinvonz@google.com>
parents: 47285
diff changeset
2534 return None
39773
2cd93a8d4bde revlog: drop RevlogError alias (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39769
diff changeset
2535 except error.RevlogError:
16665
e410be860393 revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents: 16533
diff changeset
2536 # parsers.c radix tree lookup gave multiple matches
29396
d0ae5b8f80dc revlog: add a fast path for "ambiguous identifier"
Jun Wu <quark@fb.com>
parents: 29339
diff changeset
2537 # fast path: for unfiltered changelog, radix tree is accurate
d0ae5b8f80dc revlog: add a fast path for "ambiguous identifier"
Jun Wu <quark@fb.com>
parents: 29339
diff changeset
2538 if not getattr(self, 'filteredrevs', None):
47294
93a0abe098e7 revlog: avoid raising no-arg RevlogError for internal flow control
Martin von Zweigbergk <martinvonz@google.com>
parents: 47285
diff changeset
2539 ambiguous = True
19471
fd1bb7c1be78 revlog: handle hidden revs in _partialmatch (issue3979)
Matt Mackall <mpm@selenic.com>
parents: 19326
diff changeset
2540 # fall through to slow path that filters hidden revisions
16665
e410be860393 revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents: 16533
diff changeset
2541 except (AttributeError, ValueError):
49415
5fe7e9eda0f3 revlog: make _partialmatch fail fast on almost-hex inputs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 49306
diff changeset
2542 # we are pure python, or key is not hex
16665
e410be860393 revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents: 16533
diff changeset
2543 pass
47294
93a0abe098e7 revlog: avoid raising no-arg RevlogError for internal flow control
Martin von Zweigbergk <martinvonz@google.com>
parents: 47285
diff changeset
2544 if ambiguous:
93a0abe098e7 revlog: avoid raising no-arg RevlogError for internal flow control
Martin von Zweigbergk <martinvonz@google.com>
parents: 47285
diff changeset
2545 raise error.AmbiguousPrefixLookupError(
93a0abe098e7 revlog: avoid raising no-arg RevlogError for internal flow control
Martin von Zweigbergk <martinvonz@google.com>
parents: 47285
diff changeset
2546 id, self.display_id, _(b'ambiguous identifier')
93a0abe098e7 revlog: avoid raising no-arg RevlogError for internal flow control
Martin von Zweigbergk <martinvonz@google.com>
parents: 47285
diff changeset
2547 )
16665
e410be860393 revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents: 16533
diff changeset
2548
13258
c2661863f16f revlog: introduce a cache for partial lookups
Matt Mackall <mpm@selenic.com>
parents: 13254
diff changeset
2549 if id in self._pcache:
c2661863f16f revlog: introduce a cache for partial lookups
Matt Mackall <mpm@selenic.com>
parents: 13254
diff changeset
2550 return self._pcache[id]
c2661863f16f revlog: introduce a cache for partial lookups
Matt Mackall <mpm@selenic.com>
parents: 13254
diff changeset
2551
37819
ee3d58b4a47f revlog: make pure version of _partialmatch() support 40-byte hex nodeids
Martin von Zweigbergk <martinvonz@google.com>
parents: 37767
diff changeset
2552 if len(id) <= 40:
49247
3e5f1fb2aec7 revlog: make try block smaller
Manuel Jacob <me@manueljacob.de>
parents: 49246
diff changeset
2553 # hex(node)[:...]
3e5f1fb2aec7 revlog: make try block smaller
Manuel Jacob <me@manueljacob.de>
parents: 49246
diff changeset
2554 l = len(id) // 2 * 2 # grab an even number of digits
3453
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
2555 try:
49415
5fe7e9eda0f3 revlog: make _partialmatch fail fast on almost-hex inputs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 49306
diff changeset
2556 # we're dropping the last digit, so let's check that it's hex,
5fe7e9eda0f3 revlog: make _partialmatch fail fast on almost-hex inputs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 49306
diff changeset
2557 # to avoid the expensive computation below if it's not
5fe7e9eda0f3 revlog: make _partialmatch fail fast on almost-hex inputs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 49306
diff changeset
2558 if len(id) % 2 > 0:
5fe7e9eda0f3 revlog: make _partialmatch fail fast on almost-hex inputs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 49306
diff changeset
2559 if not (id[-1] in hexdigits):
5fe7e9eda0f3 revlog: make _partialmatch fail fast on almost-hex inputs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 49306
diff changeset
2560 return None
49246
31602d471b60 revlog: make round-down pattern clearer
Manuel Jacob <me@manueljacob.de>
parents: 49227
diff changeset
2561 prefix = bin(id[:l])
49248
63fd0282ad40 node: stop converting binascii.Error to TypeError in bin()
Manuel Jacob <me@manueljacob.de>
parents: 49247
diff changeset
2562 except binascii.Error:
49247
3e5f1fb2aec7 revlog: make try block smaller
Manuel Jacob <me@manueljacob.de>
parents: 49246
diff changeset
2563 pass
3e5f1fb2aec7 revlog: make try block smaller
Manuel Jacob <me@manueljacob.de>
parents: 49246
diff changeset
2564 else:
13259
3b616dfa4b17 revlog: do revlog node->rev mapping by scanning
Matt Mackall <mpm@selenic.com>
parents: 13258
diff changeset
2565 nl = [e[7] for e in self.index if e[7].startswith(prefix)]
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2566 nl = [
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2567 n for n in nl if hex(n).startswith(id) and self.hasnode(n)
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2568 ]
47012
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
2569 if self.nodeconstants.nullhex.startswith(id):
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
2570 nl.append(self.nullid)
7365
ec3aafa84d44 lookup: speed up partial lookup
Matt Mackall <mpm@selenic.com>
parents: 7363
diff changeset
2571 if len(nl) > 0:
32684
af854b1b36f8 revlog: add support for partial matching of wdir node id
Yuya Nishihara <yuya@tcha.org>
parents: 32659
diff changeset
2572 if len(nl) == 1 and not maybewdir:
13258
c2661863f16f revlog: introduce a cache for partial lookups
Matt Mackall <mpm@selenic.com>
parents: 13254
diff changeset
2573 self._pcache[id] = nl[0]
7365
ec3aafa84d44 lookup: speed up partial lookup
Matt Mackall <mpm@selenic.com>
parents: 7363
diff changeset
2574 return nl[0]
39774
4a2466b2a434 revlog: drop some more error aliases (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39773
diff changeset
2575 raise error.AmbiguousPrefixLookupError(
47159
1ec64f59dc27 revlog: use revlog.display_id in ambiguity errors
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47158
diff changeset
2576 id, self.display_id, _(b'ambiguous identifier')
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2577 )
32684
af854b1b36f8 revlog: add support for partial matching of wdir node id
Yuya Nishihara <yuya@tcha.org>
parents: 32659
diff changeset
2578 if maybewdir:
af854b1b36f8 revlog: add support for partial matching of wdir node id
Yuya Nishihara <yuya@tcha.org>
parents: 32659
diff changeset
2579 raise error.WdirUnsupported
7365
ec3aafa84d44 lookup: speed up partial lookup
Matt Mackall <mpm@selenic.com>
parents: 7363
diff changeset
2580 return None
3453
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
2581
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
2582 def lookup(self, id):
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
2583 """locate a node based on:
45942
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 45870
diff changeset
2584 - revision number or str(revision number)
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 45870
diff changeset
2585 - nodeid or subset of hex nodeid
3453
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
2586 """
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
2587 n = self._match(id)
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
2588 if n is not None:
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
2589 return n
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
2590 n = self._partialmatch(id)
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
2591 if n:
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
2592 return n
515
03f27b1381f9 Whitespace cleanups
mpm@selenic.com
parents: 484
diff changeset
2593
47155
96ee8ca99f5a revlog: use revlog.display_id in LookupError
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47153
diff changeset
2594 raise error.LookupError(id, self.display_id, _(b'no match found'))
36
da28286bf6b7 Add smart node lookup by substring or by rev number
mpm@selenic.com
parents: 26
diff changeset
2595
37767
44d1959acb3b revlog: make shortest() take a full binary nodeid (API)
Martin von Zweigbergk <martinvonz@google.com>
parents: 37494
diff changeset
2596 def shortest(self, node, minlength=1):
44d1959acb3b revlog: make shortest() take a full binary nodeid (API)
Martin von Zweigbergk <martinvonz@google.com>
parents: 37494
diff changeset
2597 """Find the shortest unambiguous prefix that matches node."""
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2598
37863
6921d3ecadc1 shortest: rename "test" variable to "prefix"
Martin von Zweigbergk <martinvonz@google.com>
parents: 37862
diff changeset
2599 def isvalid(prefix):
34250
448725a2ef73 templater: extract shortest() logic from template function
Martin von Zweigbergk <martinvonz@google.com>
parents: 34148
diff changeset
2600 try:
42629
24111fb9a725 lookup: don't use "00changelog.i@None" when lookup of prefix fails
Martin von Zweigbergk <martinvonz@google.com>
parents: 42567
diff changeset
2601 matchednode = self._partialmatch(prefix)
39831
7a9e2d85f475 revlog: catch more specific exception in shortest()
Yuya Nishihara <yuya@tcha.org>
parents: 39778
diff changeset
2602 except error.AmbiguousPrefixLookupError:
34250
448725a2ef73 templater: extract shortest() logic from template function
Martin von Zweigbergk <martinvonz@google.com>
parents: 34148
diff changeset
2603 return False
448725a2ef73 templater: extract shortest() logic from template function
Martin von Zweigbergk <martinvonz@google.com>
parents: 34148
diff changeset
2604 except error.WdirUnsupported:
448725a2ef73 templater: extract shortest() logic from template function
Martin von Zweigbergk <martinvonz@google.com>
parents: 34148
diff changeset
2605 # single 'ff...' match
448725a2ef73 templater: extract shortest() logic from template function
Martin von Zweigbergk <martinvonz@google.com>
parents: 34148
diff changeset
2606 return True
42629
24111fb9a725 lookup: don't use "00changelog.i@None" when lookup of prefix fails
Martin von Zweigbergk <martinvonz@google.com>
parents: 42567
diff changeset
2607 if matchednode is None:
47155
96ee8ca99f5a revlog: use revlog.display_id in LookupError
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47153
diff changeset
2608 raise error.LookupError(node, self.display_id, _(b'no node'))
37970
76e933e0ccc9 shortest: remove unnecessary check for revnum in isvalid()
Martin von Zweigbergk <martinvonz@google.com>
parents: 37969
diff changeset
2609 return True
34250
448725a2ef73 templater: extract shortest() logic from template function
Martin von Zweigbergk <martinvonz@google.com>
parents: 34148
diff changeset
2610
37968
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37865
diff changeset
2611 def maybewdir(prefix):
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2612 return all(c == b'f' for c in pycompat.iterbytestr(prefix))
37968
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37865
diff changeset
2613
37767
44d1959acb3b revlog: make shortest() take a full binary nodeid (API)
Martin von Zweigbergk <martinvonz@google.com>
parents: 37494
diff changeset
2614 hexnode = hex(node)
37968
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37865
diff changeset
2615
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37865
diff changeset
2616 def disambiguate(hexnode, minlength):
37971
3ac950cd5978 shortest: move revnum-disambiguation out of revlog
Martin von Zweigbergk <martinvonz@google.com>
parents: 37970
diff changeset
2617 """Disambiguate against wdirid."""
45053
cc2572923ea3 revlog: avoid hard-coded hash sizes
Joerg Sonnenberger <joerg@bec.de>
parents: 44954
diff changeset
2618 for length in range(minlength, len(hexnode) + 1):
37968
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37865
diff changeset
2619 prefix = hexnode[:length]
37971
3ac950cd5978 shortest: move revnum-disambiguation out of revlog
Martin von Zweigbergk <martinvonz@google.com>
parents: 37970
diff changeset
2620 if not maybewdir(prefix):
37968
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37865
diff changeset
2621 return prefix
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37865
diff changeset
2622
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37865
diff changeset
2623 if not getattr(self, 'filteredrevs', None):
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37865
diff changeset
2624 try:
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37865
diff changeset
2625 length = max(self.index.shortest(node), minlength)
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37865
diff changeset
2626 return disambiguate(hexnode, length)
39773
2cd93a8d4bde revlog: drop RevlogError alias (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39769
diff changeset
2627 except error.RevlogError:
47012
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
2628 if node != self.nodeconstants.wdirid:
47148
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47145
diff changeset
2629 raise error.LookupError(
47155
96ee8ca99f5a revlog: use revlog.display_id in LookupError
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47153
diff changeset
2630 node, self.display_id, _(b'no node')
47148
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47145
diff changeset
2631 )
37968
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37865
diff changeset
2632 except AttributeError:
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37865
diff changeset
2633 # Fall through to pure code
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37865
diff changeset
2634 pass
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37865
diff changeset
2635
47012
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
2636 if node == self.nodeconstants.wdirid:
45053
cc2572923ea3 revlog: avoid hard-coded hash sizes
Joerg Sonnenberger <joerg@bec.de>
parents: 44954
diff changeset
2637 for length in range(minlength, len(hexnode) + 1):
37969
0db7fe7c34d3 shortest: make pure code also disambigute against revnums at end
Martin von Zweigbergk <martinvonz@google.com>
parents: 37968
diff changeset
2638 prefix = hexnode[:length]
0db7fe7c34d3 shortest: make pure code also disambigute against revnums at end
Martin von Zweigbergk <martinvonz@google.com>
parents: 37968
diff changeset
2639 if isvalid(prefix):
0db7fe7c34d3 shortest: make pure code also disambigute against revnums at end
Martin von Zweigbergk <martinvonz@google.com>
parents: 37968
diff changeset
2640 return prefix
0db7fe7c34d3 shortest: make pure code also disambigute against revnums at end
Martin von Zweigbergk <martinvonz@google.com>
parents: 37968
diff changeset
2641
45053
cc2572923ea3 revlog: avoid hard-coded hash sizes
Joerg Sonnenberger <joerg@bec.de>
parents: 44954
diff changeset
2642 for length in range(minlength, len(hexnode) + 1):
37863
6921d3ecadc1 shortest: rename "test" variable to "prefix"
Martin von Zweigbergk <martinvonz@google.com>
parents: 37862
diff changeset
2643 prefix = hexnode[:length]
6921d3ecadc1 shortest: rename "test" variable to "prefix"
Martin von Zweigbergk <martinvonz@google.com>
parents: 37862
diff changeset
2644 if isvalid(prefix):
37969
0db7fe7c34d3 shortest: make pure code also disambigute against revnums at end
Martin von Zweigbergk <martinvonz@google.com>
parents: 37968
diff changeset
2645 return disambiguate(hexnode, length)
34250
448725a2ef73 templater: extract shortest() logic from template function
Martin von Zweigbergk <martinvonz@google.com>
parents: 34148
diff changeset
2646
2890
5df3e5cf16bc Move cmp bits from filelog to revlog
Matt Mackall <mpm@selenic.com>
parents: 2859
diff changeset
2647 def cmp(self, node, text):
11539
a463e3c50212 cmp: document the fact that we return True if content is different
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents: 11323
diff changeset
2648 """compare text with a given file revision
a463e3c50212 cmp: document the fact that we return True if content is different
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents: 11323
diff changeset
2649
a463e3c50212 cmp: document the fact that we return True if content is different
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents: 11323
diff changeset
2650 returns True if text is different than what is stored.
a463e3c50212 cmp: document the fact that we return True if content is different
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents: 11323
diff changeset
2651 """
2890
5df3e5cf16bc Move cmp bits from filelog to revlog
Matt Mackall <mpm@selenic.com>
parents: 2859
diff changeset
2652 p1, p2 = self.parents(node)
39877
f8eb71f9e3bd storageutil: new module for storage primitives (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39872
diff changeset
2653 return storageutil.hashrevisionsha1(text, p1, p2) != node
2890
5df3e5cf16bc Move cmp bits from filelog to revlog
Matt Mackall <mpm@selenic.com>
parents: 2859
diff changeset
2654
11929
1839a7518b0d revlog: deltachain() returns chain of revs need to construct a revision
Pradeepkumar Gayam <in3xes@gmail.com>
parents: 11928
diff changeset
2655 def deltaparent(self, rev):
14195
0013d3eeb826 revlog: remove support for parentdelta
Sune Foldager <cryo@cyanite.org>
parents: 14164
diff changeset
2656 """return deltaparent of the given revision"""
14253
c28d5200374c revlog: support reading generaldelta revlogs
Sune Foldager <cryo@cyanite.org>
parents: 14252
diff changeset
2657 base = self.index[rev][3]
c28d5200374c revlog: support reading generaldelta revlogs
Sune Foldager <cryo@cyanite.org>
parents: 14252
diff changeset
2658 if base == rev:
14208
d62d597b8974 revlog: compute correct deltaparent in the deltaparent function
Sune Foldager <cryo@cyanite.org>
parents: 14196
diff changeset
2659 return nullrev
51043
f636103c4d67 revlog: remove legacy usage of `_generaldelta`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51041
diff changeset
2660 elif self.delta_config.general_delta:
14253
c28d5200374c revlog: support reading generaldelta revlogs
Sune Foldager <cryo@cyanite.org>
parents: 14252
diff changeset
2661 return base
14208
d62d597b8974 revlog: compute correct deltaparent in the deltaparent function
Sune Foldager <cryo@cyanite.org>
parents: 14196
diff changeset
2662 else:
d62d597b8974 revlog: compute correct deltaparent in the deltaparent function
Sune Foldager <cryo@cyanite.org>
parents: 14196
diff changeset
2663 return rev - 1
11929
1839a7518b0d revlog: deltachain() returns chain of revs need to construct a revision
Pradeepkumar Gayam <in3xes@gmail.com>
parents: 11928
diff changeset
2664
39149
f8db458651c8 revlog: add a method to tells whether rev is stored as a snapshot
Paul Morelle <paul.morelle@octobus.net>
parents: 39147
diff changeset
2665 def issnapshot(self, rev):
45942
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 45870
diff changeset
2666 """tells whether rev is a snapshot"""
51090
ff673b9da21f revlog: add a couple more of useful method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51089
diff changeset
2667 ret = self._inner.issnapshot(rev)
ff673b9da21f revlog: add a couple more of useful method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51089
diff changeset
2668 self.issnapshot = self._inner.issnapshot
ff673b9da21f revlog: add a couple more of useful method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51089
diff changeset
2669 return ret
39149
f8db458651c8 revlog: add a method to tells whether rev is stored as a snapshot
Paul Morelle <paul.morelle@octobus.net>
parents: 39147
diff changeset
2670
39152
3b1042cab4b4 revlog: add a method to retrieve snapshot depth
Boris Feld <boris.feld@octobus.net>
parents: 39150
diff changeset
2671 def snapshotdepth(self, rev):
3b1042cab4b4 revlog: add a method to retrieve snapshot depth
Boris Feld <boris.feld@octobus.net>
parents: 39150
diff changeset
2672 """number of snapshot in the chain before this one"""
3b1042cab4b4 revlog: add a method to retrieve snapshot depth
Boris Feld <boris.feld@octobus.net>
parents: 39150
diff changeset
2673 if not self.issnapshot(rev):
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2674 raise error.ProgrammingError(b'revision %d not a snapshot')
51092
30f458fc59e9 revlog: move the `deltachain` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51091
diff changeset
2675 return len(self._inner._deltachain(rev)[0]) - 1
39152
3b1042cab4b4 revlog: add a method to retrieve snapshot depth
Boris Feld <boris.feld@octobus.net>
parents: 39150
diff changeset
2676
1941
7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1853
diff changeset
2677 def revdiff(self, rev1, rev2):
31753
5d11b5edcb0b revlog: use raw revisions in revdiff
Jun Wu <quark@fb.com>
parents: 31752
diff changeset
2678 """return or calculate a delta between two revisions
5d11b5edcb0b revlog: use raw revisions in revdiff
Jun Wu <quark@fb.com>
parents: 31752
diff changeset
2679
5d11b5edcb0b revlog: use raw revisions in revdiff
Jun Wu <quark@fb.com>
parents: 31752
diff changeset
2680 The delta calculated is in binary form and is intended to be written to
5d11b5edcb0b revlog: use raw revisions in revdiff
Jun Wu <quark@fb.com>
parents: 31752
diff changeset
2681 revlog data directly. So this function needs raw revision data.
5d11b5edcb0b revlog: use raw revisions in revdiff
Jun Wu <quark@fb.com>
parents: 31752
diff changeset
2682 """
14208
d62d597b8974 revlog: compute correct deltaparent in the deltaparent function
Sune Foldager <cryo@cyanite.org>
parents: 14196
diff changeset
2683 if rev1 != nullrev and self.deltaparent(rev2) == rev1:
51089
9c8df10ea6e0 revlog: move the `_chunk` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51088
diff changeset
2684 return bytes(self._inner._chunk(rev2))
5005
72082bfced9a revlog: minor revdiff reorganization
Matt Mackall <mpm@selenic.com>
parents: 5004
diff changeset
2685
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2686 return mdiff.textdiff(self.rawdata(rev1), self.rawdata(rev2))
119
c7a66f9752a4 Add code to retrieve or construct a revlog delta
mpm@selenic.com
parents: 117
diff changeset
2687
51019
33d2f0164d0d revlog: drop the df argument to `revision`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51017
diff changeset
2688 def revision(self, nodeorrev):
16435
df347129305d revlog: fix partial revision() docstring (from d7d64b89a65c)
Patrick Mezard <patrick@mezard.eu>
parents: 16424
diff changeset
2689 """return an uncompressed revision of a given node or revision
df347129305d revlog: fix partial revision() docstring (from d7d64b89a65c)
Patrick Mezard <patrick@mezard.eu>
parents: 16424
diff changeset
2690 number.
df347129305d revlog: fix partial revision() docstring (from d7d64b89a65c)
Patrick Mezard <patrick@mezard.eu>
parents: 16424
diff changeset
2691 """
51019
33d2f0164d0d revlog: drop the df argument to `revision`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51017
diff changeset
2692 return self._revisiondata(nodeorrev)
42718
389233789952 revlog: split a `_revisiondata` method to file `revision` job
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42688
diff changeset
2693
51021
299b7b5440db revlog: drop the df argument to `sidedata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51020
diff changeset
2694 def sidedata(self, nodeorrev):
42980
0d1272783f24 revlog: introduce a `sidedata` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42879
diff changeset
2695 """a map of extra data related to the changeset but not part of the hash
0d1272783f24 revlog: introduce a `sidedata` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42879
diff changeset
2696
0d1272783f24 revlog: introduce a `sidedata` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42879
diff changeset
2697 This function currently return a dictionary. However, more advanced
0d1272783f24 revlog: introduce a `sidedata` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42879
diff changeset
2698 mapping object will likely be used in the future for a more
0d1272783f24 revlog: introduce a `sidedata` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42879
diff changeset
2699 efficient/lazy code.
0d1272783f24 revlog: introduce a `sidedata` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42879
diff changeset
2700 """
47382
d6a52783d2ba revlog: implement sidedata without using _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47328
diff changeset
2701 # deal with <nodeorrev> argument type
d6a52783d2ba revlog: implement sidedata without using _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47328
diff changeset
2702 if isinstance(nodeorrev, int):
d6a52783d2ba revlog: implement sidedata without using _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47328
diff changeset
2703 rev = nodeorrev
d6a52783d2ba revlog: implement sidedata without using _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47328
diff changeset
2704 else:
d6a52783d2ba revlog: implement sidedata without using _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47328
diff changeset
2705 rev = self.rev(nodeorrev)
d6a52783d2ba revlog: implement sidedata without using _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47328
diff changeset
2706 return self._sidedata(rev)
42980
0d1272783f24 revlog: introduce a `sidedata` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42879
diff changeset
2707
51094
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
2708 def _rawtext(self, node, rev):
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
2709 """return the possibly unvalidated rawtext for a revision
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
2710
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
2711 returns (rev, rawtext, validated)
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
2712 """
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
2713 # Check if we have the entry in cache
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
2714 # The cache entry looks like (node, rev, rawtext)
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
2715 if self._inner._revisioncache:
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
2716 if self._inner._revisioncache[0] == node:
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
2717 return (rev, self._inner._revisioncache[2], True)
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
2718
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
2719 if rev is None:
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
2720 rev = self.rev(node)
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
2721
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
2722 return self._inner.raw_text(node, rev)
be56d322ee89 revlog: move the `rawtext` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51093
diff changeset
2723
51023
8520db304f01 revlog: drop more file description passing between private function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51022
diff changeset
2724 def _revisiondata(self, nodeorrev, raw=False):
42790
616aa62e5027 revlog: add some documentation to `_revisiondata` code
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42789
diff changeset
2725 # deal with <nodeorrev> argument type
16375
d7d64b89a65c revlog: allow retrieving contents by revision number
Matt Mackall <mpm@selenic.com>
parents: 16374
diff changeset
2726 if isinstance(nodeorrev, int):
d7d64b89a65c revlog: allow retrieving contents by revision number
Matt Mackall <mpm@selenic.com>
parents: 16374
diff changeset
2727 rev = nodeorrev
d7d64b89a65c revlog: allow retrieving contents by revision number
Matt Mackall <mpm@selenic.com>
parents: 16374
diff changeset
2728 node = self.node(rev)
d7d64b89a65c revlog: allow retrieving contents by revision number
Matt Mackall <mpm@selenic.com>
parents: 16374
diff changeset
2729 else:
d7d64b89a65c revlog: allow retrieving contents by revision number
Matt Mackall <mpm@selenic.com>
parents: 16374
diff changeset
2730 node = nodeorrev
d7d64b89a65c revlog: allow retrieving contents by revision number
Matt Mackall <mpm@selenic.com>
parents: 16374
diff changeset
2731 rev = None
d7d64b89a65c revlog: allow retrieving contents by revision number
Matt Mackall <mpm@selenic.com>
parents: 16374
diff changeset
2732
42790
616aa62e5027 revlog: add some documentation to `_revisiondata` code
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42789
diff changeset
2733 # fast path the special `nullid` rev
47012
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
2734 if node == self.nullid:
47385
9d9eb22b9b69 revlog: no longer return sidedata from `_revisiondata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47384
diff changeset
2735 return b""
42789
bf070a59546a revlog: move `nullid` early return sooner in `_revisiondata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42788
diff changeset
2736
43979
bdb357161d7a revlog: drop an unused variable assignment
Matt Harbison <matt_harbison@yahoo.com>
parents: 43957
diff changeset
2737 # ``rawtext`` is the text as stored inside the revlog. Might be the
bdb357161d7a revlog: drop an unused variable assignment
Matt Harbison <matt_harbison@yahoo.com>
parents: 43957
diff changeset
2738 # revision or might need to be processed to retrieve the revision.
51023
8520db304f01 revlog: drop more file description passing between private function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51022
diff changeset
2739 rev, rawtext, validated = self._rawtext(node, rev)
42792
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
2740
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
2741 if raw and validated:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
2742 # if we don't want to process the raw text and that raw
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
2743 # text is cached, we can exit early.
47385
9d9eb22b9b69 revlog: no longer return sidedata from `_revisiondata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47384
diff changeset
2744 return rawtext
42792
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
2745 if rev is None:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
2746 rev = self.rev(node)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
2747 # the revlog's flag for this revision
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
2748 # (usually alter its state or content)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
2749 flags = self.flags(rev)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
2750
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
2751 if validated and flags == REVIDX_DEFAULT_FLAGS:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
2752 # no extra flags set, no flag processor runs, text = rawtext
47385
9d9eb22b9b69 revlog: no longer return sidedata from `_revisiondata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47384
diff changeset
2753 return rawtext
46709
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
2754
42879
4a3efe0febb5 revlog: stop using `_processflags` directly
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42876
diff changeset
2755 if raw:
42992
dff95420480f flagprocessors: make `processflagsraw` a module level function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42991
diff changeset
2756 validatehash = flagutil.processflagsraw(self, rawtext, flags)
42879
4a3efe0febb5 revlog: stop using `_processflags` directly
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42876
diff changeset
2757 text = rawtext
4a3efe0febb5 revlog: stop using `_processflags` directly
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42876
diff changeset
2758 else:
46709
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
2759 r = flagutil.processflagsread(self, rawtext, flags)
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
2760 text, validatehash = r
42792
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
2761 if validatehash:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
2762 self.checkhash(text, node, rev=rev)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
2763 if not validated:
51093
8ec2de9c6770 revlog: move the_revisioncache on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51092
diff changeset
2764 self._inner._revisioncache = (node, rev, rawtext)
42792
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
2765
47385
9d9eb22b9b69 revlog: no longer return sidedata from `_revisiondata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47384
diff changeset
2766 return text
42792
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
2767
46709
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
2768 def _sidedata(self, rev):
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
2769 """Return the sidedata for a given revision number."""
51095
49d75cc12b8f revlog: move `sidedata` in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51094
diff changeset
2770 sidedata_end = None
49d75cc12b8f revlog: move `sidedata` in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51094
diff changeset
2771 if self._docket is not None:
49d75cc12b8f revlog: move `sidedata` in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51094
diff changeset
2772 sidedata_end = self._docket.sidedata_end
49d75cc12b8f revlog: move `sidedata` in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51094
diff changeset
2773 return self._inner.sidedata(rev, sidedata_end)
46709
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
2774
51020
14de15825253 revlog: drop the df argument to `rawdata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51019
diff changeset
2775 def rawdata(self, nodeorrev):
14de15825253 revlog: drop the df argument to `rawdata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51019
diff changeset
2776 """return an uncompressed raw data of a given node or revision number."""
14de15825253 revlog: drop the df argument to `rawdata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51019
diff changeset
2777 return self._revisiondata(nodeorrev, raw=True)
42719
415e4136d326 rawdata: introduce a `rawdata` method on revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42718
diff changeset
2778
22785
abc44fcc9c57 revlog: move references to revlog.hash to inside the revlog class
Augie Fackler <raf@durin42.com>
parents: 22784
diff changeset
2779 def hash(self, text, p1, p2):
abc44fcc9c57 revlog: move references to revlog.hash to inside the revlog class
Augie Fackler <raf@durin42.com>
parents: 22784
diff changeset
2780 """Compute a node hash.
abc44fcc9c57 revlog: move references to revlog.hash to inside the revlog class
Augie Fackler <raf@durin42.com>
parents: 22784
diff changeset
2781
abc44fcc9c57 revlog: move references to revlog.hash to inside the revlog class
Augie Fackler <raf@durin42.com>
parents: 22784
diff changeset
2782 Available as a function so that subclasses can replace the hash
abc44fcc9c57 revlog: move references to revlog.hash to inside the revlog class
Augie Fackler <raf@durin42.com>
parents: 22784
diff changeset
2783 as needed.
abc44fcc9c57 revlog: move references to revlog.hash to inside the revlog class
Augie Fackler <raf@durin42.com>
parents: 22784
diff changeset
2784 """
39877
f8eb71f9e3bd storageutil: new module for storage primitives (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39872
diff changeset
2785 return storageutil.hashrevisionsha1(text, p1, p2)
22785
abc44fcc9c57 revlog: move references to revlog.hash to inside the revlog class
Augie Fackler <raf@durin42.com>
parents: 22784
diff changeset
2786
30584
be5b2098a817 revlog: merge hash checking subfunctions
Remi Chaintron <remi@fb.com>
parents: 30543
diff changeset
2787 def checkhash(self, text, node, p1=None, p2=None, rev=None):
be5b2098a817 revlog: merge hash checking subfunctions
Remi Chaintron <remi@fb.com>
parents: 30543
diff changeset
2788 """Check node hash integrity.
19624
55749cb14d24 revlog: extract 'checkhash' method
Wojciech Lopata <lopek@fb.com>
parents: 19471
diff changeset
2789
30584
be5b2098a817 revlog: merge hash checking subfunctions
Remi Chaintron <remi@fb.com>
parents: 30543
diff changeset
2790 Available as a function so that subclasses can extend hash mismatch
be5b2098a817 revlog: merge hash checking subfunctions
Remi Chaintron <remi@fb.com>
parents: 30543
diff changeset
2791 behaviors as needed.
be5b2098a817 revlog: merge hash checking subfunctions
Remi Chaintron <remi@fb.com>
parents: 30543
diff changeset
2792 """
37443
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
2793 try:
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
2794 if p1 is None and p2 is None:
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
2795 p1, p2 = self.parents(node)
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
2796 if node != self.hash(text, p1, p2):
40054
801ccd8e67c0 revlog: clear revision cache on hash verification failure
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40052
diff changeset
2797 # Clear the revision cache on hash failure. The revision cache
801ccd8e67c0 revlog: clear revision cache on hash verification failure
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40052
diff changeset
2798 # only stores the raw revision and clearing the cache does have
801ccd8e67c0 revlog: clear revision cache on hash verification failure
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40052
diff changeset
2799 # the side-effect that we won't have a cache hit when the raw
801ccd8e67c0 revlog: clear revision cache on hash verification failure
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40052
diff changeset
2800 # revision data is accessed. But this case should be rare and
801ccd8e67c0 revlog: clear revision cache on hash verification failure
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40052
diff changeset
2801 # it is extra work to teach the cache about the hash
801ccd8e67c0 revlog: clear revision cache on hash verification failure
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40052
diff changeset
2802 # verification state.
51093
8ec2de9c6770 revlog: move the_revisioncache on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51092
diff changeset
2803 if (
8ec2de9c6770 revlog: move the_revisioncache on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51092
diff changeset
2804 self._inner._revisioncache
8ec2de9c6770 revlog: move the_revisioncache on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51092
diff changeset
2805 and self._inner._revisioncache[0] == node
8ec2de9c6770 revlog: move the_revisioncache on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51092
diff changeset
2806 ):
8ec2de9c6770 revlog: move the_revisioncache on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51092
diff changeset
2807 self._inner._revisioncache = None
40054
801ccd8e67c0 revlog: clear revision cache on hash verification failure
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40052
diff changeset
2808
37443
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
2809 revornode = rev
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
2810 if revornode is None:
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
2811 revornode = templatefilters.short(hex(node))
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2812 raise error.RevlogError(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2813 _(b"integrity check failed on %s:%s")
47160
0a66eef0ed97 revlog: use revlog.display_id in integrity error
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
2814 % (self.display_id, pycompat.bytestr(revornode))
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2815 )
39773
2cd93a8d4bde revlog: drop RevlogError alias (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39769
diff changeset
2816 except error.RevlogError:
51047
0d33f4b0c4cb revlog: remove legacy usage of `_censorable`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51046
diff changeset
2817 if self.feature_config.censorable and storageutil.iscensoredtext(
0d33f4b0c4cb revlog: remove legacy usage of `_censorable`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51046
diff changeset
2818 text
0d33f4b0c4cb revlog: remove legacy usage of `_censorable`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51046
diff changeset
2819 ):
47161
f574734eb2b7 revlog: use revlog.display_id in censor related errors
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47160
diff changeset
2820 raise error.CensoredNodeError(self.display_id, node, text)
37443
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
2821 raise
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
2822
50658
978ffa09910b revlog: move the computation of the split_index path in a property
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50348
diff changeset
2823 @property
978ffa09910b revlog: move the computation of the split_index path in a property
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50348
diff changeset
2824 def _split_index_file(self):
978ffa09910b revlog: move the computation of the split_index path in a property
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50348
diff changeset
2825 """the path where to expect the index of an ongoing splitting operation
978ffa09910b revlog: move the computation of the split_index path in a property
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50348
diff changeset
2826
978ffa09910b revlog: move the computation of the split_index path in a property
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50348
diff changeset
2827 The file will only exist if a splitting operation is in progress, but
978ffa09910b revlog: move the computation of the split_index path in a property
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50348
diff changeset
2828 it is always expected at the same location."""
50811
4a3a9d961561 revlog: fix the naming scheme use by split temporary file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50683
diff changeset
2829 parts = self.radix.split(b'/')
50659
12f13b13f414 revlog: avoid possible collision between directory and temporary index
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50658
diff changeset
2830 if len(parts) > 1:
12f13b13f414 revlog: avoid possible collision between directory and temporary index
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50658
diff changeset
2831 # adds a '-s' prefix to the ``data/` or `meta/` base
12f13b13f414 revlog: avoid possible collision between directory and temporary index
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50658
diff changeset
2832 head = parts[0] + b'-s'
50811
4a3a9d961561 revlog: fix the naming scheme use by split temporary file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50683
diff changeset
2833 mids = parts[1:-1]
4a3a9d961561 revlog: fix the naming scheme use by split temporary file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50683
diff changeset
2834 tail = parts[-1] + b'.i'
4a3a9d961561 revlog: fix the naming scheme use by split temporary file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50683
diff changeset
2835 pieces = [head] + mids + [tail]
4a3a9d961561 revlog: fix the naming scheme use by split temporary file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50683
diff changeset
2836 return b'/'.join(pieces)
50659
12f13b13f414 revlog: avoid possible collision between directory and temporary index
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50658
diff changeset
2837 else:
12f13b13f414 revlog: avoid possible collision between directory and temporary index
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50658
diff changeset
2838 # the revlog is stored at the root of the store (changelog or
12f13b13f414 revlog: avoid possible collision between directory and temporary index
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50658
diff changeset
2839 # manifest), no risk of collision.
12f13b13f414 revlog: avoid possible collision between directory and temporary index
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50658
diff changeset
2840 return self.radix + b'.i.s'
50658
978ffa09910b revlog: move the computation of the split_index path in a property
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50348
diff changeset
2841
51314
5b3b6db49bbb changelog: drop the side_write argument to revlog splitting
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51267
diff changeset
2842 def _enforceinlinesize(self, tr):
26376
344a1621674b revlog: add docstring for checkinlinesize()
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26243
diff changeset
2843 """Check if the revlog is too big for inline and convert if so.
344a1621674b revlog: add docstring for checkinlinesize()
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26243
diff changeset
2844
344a1621674b revlog: add docstring for checkinlinesize()
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26243
diff changeset
2845 This should be called after revisions are added to the revlog. If the
344a1621674b revlog: add docstring for checkinlinesize()
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26243
diff changeset
2846 revlog has grown too large to be an inline revlog, it will convert it
344a1621674b revlog: add docstring for checkinlinesize()
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26243
diff changeset
2847 to use multiple index and data files.
344a1621674b revlog: add docstring for checkinlinesize()
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26243
diff changeset
2848 """
38844
119d14f41cb2 revlog: remove some knowledge of sentinel nullid in index
Martin von Zweigbergk <martinvonz@google.com>
parents: 38841
diff changeset
2849 tiprev = len(self) - 1
47167
88bd08a6830f revlog: simplify a conditionnal in _enforceinlinesize
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47166
diff changeset
2850 total_size = self.start(tiprev) + self.length(tiprev)
51179
a93e52f0b6ff changelog: disallow delayed write on inline changesets
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51178
diff changeset
2851 if not self._inline or (self._may_inline and total_size < _maxinline):
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
2852 return
8315
c8493310ad9b revlog: use index to find index size
Matt Mackall <mpm@selenic.com>
parents: 8314
diff changeset
2853
51085
31f143448704 revlog: drop reference to docket in the inline-splitting code
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51084
diff changeset
2854 if self._docket is not None:
31f143448704 revlog: drop reference to docket in the inline-splitting code
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51084
diff changeset
2855 msg = b"inline revlog should not have a docket"
31f143448704 revlog: drop reference to docket in the inline-splitting code
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51084
diff changeset
2856 raise error.ProgrammingError(msg)
31f143448704 revlog: drop reference to docket in the inline-splitting code
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51084
diff changeset
2857
51178
dcaa2df1f688 changelog: never inline changelog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51163
diff changeset
2858 # In the common case, we enforce inline size because the revlog has
dcaa2df1f688 changelog: never inline changelog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51163
diff changeset
2859 # been appened too. And in such case, it must have an initial offset
dcaa2df1f688 changelog: never inline changelog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51163
diff changeset
2860 # recorded in the transaction.
51102
af96fbb8f739 revlog: add a `canonical_index_file` attribute on inner revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51099
diff changeset
2861 troffset = tr.findoffset(self._inner.canonical_index_file)
51178
dcaa2df1f688 changelog: never inline changelog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51163
diff changeset
2862 pre_touched = troffset is not None
dcaa2df1f688 changelog: never inline changelog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51163
diff changeset
2863 if not pre_touched and self.target[0] != KIND_CHANGELOG:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2864 raise error.RevlogError(
47148
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47145
diff changeset
2865 _(b"%s not found in the transaction") % self._indexfile
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2866 )
51178
dcaa2df1f688 changelog: never inline changelog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51163
diff changeset
2867
dcaa2df1f688 changelog: never inline changelog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51163
diff changeset
2868 tr.addbackup(self._inner.canonical_index_file, for_offset=pre_touched)
47149
396442cd7e6a revlog: rename `datafile` to `datafile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47148
diff changeset
2869 tr.add(self._datafile, 0)
8315
c8493310ad9b revlog: use index to find index size
Matt Mackall <mpm@selenic.com>
parents: 8314
diff changeset
2870
51087
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
2871 new_index_file_path = None
51314
5b3b6db49bbb changelog: drop the side_write argument to revlog splitting
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51267
diff changeset
2872 old_index_file_path = self._indexfile
5b3b6db49bbb changelog: drop the side_write argument to revlog splitting
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51267
diff changeset
2873 new_index_file_path = self._split_index_file
5b3b6db49bbb changelog: drop the side_write argument to revlog splitting
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51267
diff changeset
2874 opener = self.opener
5b3b6db49bbb changelog: drop the side_write argument to revlog splitting
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51267
diff changeset
2875 weak_self = weakref.ref(self)
5b3b6db49bbb changelog: drop the side_write argument to revlog splitting
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51267
diff changeset
2876
5b3b6db49bbb changelog: drop the side_write argument to revlog splitting
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51267
diff changeset
2877 # the "split" index replace the real index when the transaction is
5b3b6db49bbb changelog: drop the side_write argument to revlog splitting
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51267
diff changeset
2878 # finalized
5b3b6db49bbb changelog: drop the side_write argument to revlog splitting
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51267
diff changeset
2879 def finalize_callback(tr):
5b3b6db49bbb changelog: drop the side_write argument to revlog splitting
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51267
diff changeset
2880 opener.rename(
5b3b6db49bbb changelog: drop the side_write argument to revlog splitting
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51267
diff changeset
2881 new_index_file_path,
5b3b6db49bbb changelog: drop the side_write argument to revlog splitting
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51267
diff changeset
2882 old_index_file_path,
5b3b6db49bbb changelog: drop the side_write argument to revlog splitting
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51267
diff changeset
2883 checkambig=True,
5b3b6db49bbb changelog: drop the side_write argument to revlog splitting
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51267
diff changeset
2884 )
5b3b6db49bbb changelog: drop the side_write argument to revlog splitting
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51267
diff changeset
2885 maybe_self = weak_self()
5b3b6db49bbb changelog: drop the side_write argument to revlog splitting
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51267
diff changeset
2886 if maybe_self is not None:
5b3b6db49bbb changelog: drop the side_write argument to revlog splitting
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51267
diff changeset
2887 maybe_self._indexfile = old_index_file_path
5b3b6db49bbb changelog: drop the side_write argument to revlog splitting
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51267
diff changeset
2888 maybe_self._inner.index_file = maybe_self._indexfile
5b3b6db49bbb changelog: drop the side_write argument to revlog splitting
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51267
diff changeset
2889
5b3b6db49bbb changelog: drop the side_write argument to revlog splitting
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51267
diff changeset
2890 def abort_callback(tr):
5b3b6db49bbb changelog: drop the side_write argument to revlog splitting
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51267
diff changeset
2891 maybe_self = weak_self()
5b3b6db49bbb changelog: drop the side_write argument to revlog splitting
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51267
diff changeset
2892 if maybe_self is not None:
5b3b6db49bbb changelog: drop the side_write argument to revlog splitting
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51267
diff changeset
2893 maybe_self._indexfile = old_index_file_path
5b3b6db49bbb changelog: drop the side_write argument to revlog splitting
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51267
diff changeset
2894 maybe_self._inner.inline = True
5b3b6db49bbb changelog: drop the side_write argument to revlog splitting
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51267
diff changeset
2895 maybe_self._inner.index_file = old_index_file_path
5b3b6db49bbb changelog: drop the side_write argument to revlog splitting
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51267
diff changeset
2896
5b3b6db49bbb changelog: drop the side_write argument to revlog splitting
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51267
diff changeset
2897 tr.registertmp(new_index_file_path)
51634
3cf9e52f5e27 inline-changelog: fix a critical bug in write_pending that delete data
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51425
diff changeset
2898 # we use 001 here to make this this happens after the finalisation of
3cf9e52f5e27 inline-changelog: fix a critical bug in write_pending that delete data
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51425
diff changeset
2899 # pending changelog write (using 000). Otherwise the two finalizer
3cf9e52f5e27 inline-changelog: fix a critical bug in write_pending that delete data
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51425
diff changeset
2900 # would step over each other and delete the changelog.i file.
51314
5b3b6db49bbb changelog: drop the side_write argument to revlog splitting
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51267
diff changeset
2901 if self.target[1] is not None:
51634
3cf9e52f5e27 inline-changelog: fix a critical bug in write_pending that delete data
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51425
diff changeset
2902 callback_id = b'001-revlog-split-%d-%s' % self.target
51314
5b3b6db49bbb changelog: drop the side_write argument to revlog splitting
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51267
diff changeset
2903 else:
51634
3cf9e52f5e27 inline-changelog: fix a critical bug in write_pending that delete data
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51425
diff changeset
2904 callback_id = b'001-revlog-split-%d' % self.target[0]
51314
5b3b6db49bbb changelog: drop the side_write argument to revlog splitting
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51267
diff changeset
2905 tr.addfinalize(callback_id, finalize_callback)
5b3b6db49bbb changelog: drop the side_write argument to revlog splitting
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51267
diff changeset
2906 tr.addabort(callback_id, abort_callback)
8315
c8493310ad9b revlog: use index to find index size
Matt Mackall <mpm@selenic.com>
parents: 8314
diff changeset
2907
51087
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
2908 self._format_flags &= ~FLAG_INLINE_DATA
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
2909 self._inner.split_inline(
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
2910 tr,
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
2911 self._format_flags | self._format_version,
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
2912 new_index_file_path=new_index_file_path,
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
2913 )
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
2914
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
2915 self._inline = False
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
2916 if new_index_file_path is not None:
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
2917 self._indexfile = new_index_file_path
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
2918
de6a8cc24de3 revlog: move the splitting-inline-revlog logic inside the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51086
diff changeset
2919 nodemaputil.setup_persistent_nodemap(tr, self)
47214
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47213
diff changeset
2920
39886
debc4ee597e7 revlog: add a callback "tracking" duplicate node addition
Boris Feld <boris.feld@octobus.net>
parents: 39881
diff changeset
2921 def _nodeduplicatecallback(self, transaction, node):
45942
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 45870
diff changeset
2922 """called when trying to add a node already stored."""
39886
debc4ee597e7 revlog: add a callback "tracking" duplicate node addition
Boris Feld <boris.feld@octobus.net>
parents: 39881
diff changeset
2923
47214
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47213
diff changeset
2924 @contextlib.contextmanager
47463
5fa083a5ff04 copies: Keep changelog sidedata file open during copy tracing
Simon Sapin <simon.sapin@octobus.net>
parents: 47457
diff changeset
2925 def reading(self):
51083
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
2926 with self._inner.reading():
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
2927 yield
47463
5fa083a5ff04 copies: Keep changelog sidedata file open during copy tracing
Simon Sapin <simon.sapin@octobus.net>
parents: 47457
diff changeset
2928
5fa083a5ff04 copies: Keep changelog sidedata file open during copy tracing
Simon Sapin <simon.sapin@octobus.net>
parents: 47457
diff changeset
2929 @contextlib.contextmanager
47214
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47213
diff changeset
2930 def _writing(self, transaction):
47240
4f38ada3fc26 revlog: move the `trypending` logic from the `changelog` to the `revlog`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47239
diff changeset
2931 if self._trypending:
4f38ada3fc26 revlog: move the `trypending` logic from the `changelog` to the `revlog`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47239
diff changeset
2932 msg = b'try to write in a `trypending` revlog: %s'
4f38ada3fc26 revlog: move the `trypending` logic from the `changelog` to the `revlog`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47239
diff changeset
2933 msg %= self.display_id
4f38ada3fc26 revlog: move the `trypending` logic from the `changelog` to the `revlog`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47239
diff changeset
2934 raise error.ProgrammingError(msg)
51083
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
2935 if self._inner.is_writing:
47214
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47213
diff changeset
2936 yield
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47213
diff changeset
2937 else:
51083
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
2938 data_end = None
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
2939 sidedata_end = None
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
2940 if self._docket is not None:
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
2941 data_end = self._docket.data_end
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
2942 sidedata_end = self._docket.sidedata_end
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
2943 with self._inner.writing(
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
2944 transaction,
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
2945 data_end=data_end,
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
2946 sidedata_end=sidedata_end,
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
2947 ):
47327
1844a2e3401c revlog: simplify the try nesting in the `_writing` context
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47324
diff changeset
2948 yield
1844a2e3401c revlog: simplify the try nesting in the `_writing` context
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47324
diff changeset
2949 if self._docket is not None:
1844a2e3401c revlog: simplify the try nesting in the `_writing` context
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47324
diff changeset
2950 self._write_docket(transaction)
47214
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47213
diff changeset
2951
51103
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
2952 @property
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
2953 def is_delaying(self):
d83d788590a8 changelog-delay: move the delay/divert logic inside the (inner) revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51102
diff changeset
2954 return self._inner.is_delaying
47214
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47213
diff changeset
2955
47239
682f09857d69 revlogv2: delay the update of the changelog docket to transaction end
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47238
diff changeset
2956 def _write_docket(self, transaction):
682f09857d69 revlogv2: delay the update of the changelog docket to transaction end
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47238
diff changeset
2957 """write the current docket on disk
682f09857d69 revlogv2: delay the update of the changelog docket to transaction end
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47238
diff changeset
2958
682f09857d69 revlogv2: delay the update of the changelog docket to transaction end
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47238
diff changeset
2959 Exist as a method to help changelog to implement transaction logic
682f09857d69 revlogv2: delay the update of the changelog docket to transaction end
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47238
diff changeset
2960
682f09857d69 revlogv2: delay the update of the changelog docket to transaction end
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47238
diff changeset
2961 We could also imagine using the same transaction logic for all revlog
682f09857d69 revlogv2: delay the update of the changelog docket to transaction end
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47238
diff changeset
2962 since docket are cheap."""
682f09857d69 revlogv2: delay the update of the changelog docket to transaction end
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47238
diff changeset
2963 self._docket.write(transaction)
682f09857d69 revlogv2: delay the update of the changelog docket to transaction end
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47238
diff changeset
2964
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2965 def addrevision(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2966 self,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2967 text,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2968 transaction,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2969 link,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2970 p1,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2971 p2,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2972 cachedelta=None,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2973 node=None,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2974 flags=REVIDX_DEFAULT_FLAGS,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2975 deltacomputer=None,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2976 sidedata=None,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2977 ):
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
2978 """add a revision to the log
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
2979
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
2980 text - the revision data to add
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
2981 transaction - the transaction object used for rollback
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
2982 link - the linkrev data to add
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
2983 p1, p2 - the parent nodeids of the revision
12012
bade7a9c5c07 revlog: fix docstring
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 12011
diff changeset
2984 cachedelta - an optional precomputed delta
19625
6a411a06cb1f revlog: pass node as an argument of addrevision
Wojciech Lopata <lopek@fb.com>
parents: 19624
diff changeset
2985 node - nodeid of revision; typically node is not specified, and it is
6a411a06cb1f revlog: pass node as an argument of addrevision
Wojciech Lopata <lopek@fb.com>
parents: 19624
diff changeset
2986 computed by default as hash(text, p1, p2), however subclasses might
6a411a06cb1f revlog: pass node as an argument of addrevision
Wojciech Lopata <lopek@fb.com>
parents: 19624
diff changeset
2987 use different hashing method (and override checkhash() in such case)
30744
e12c0fa1f65b revlog: pass revlog flags to addrevision
Remi Chaintron <remi@fb.com>
parents: 30743
diff changeset
2988 flags - the known flags to set on the revision
39330
655b5b465953 revlog: split functionality related to deltas computation in a new module
Boris Feld <boris.feld@octobus.net>
parents: 39329
diff changeset
2989 deltacomputer - an optional deltacomputer instance shared between
35738
f90f6fd130c1 revlog: group delta computation methods under _deltacomputer object
Paul Morelle <paul.morelle@octobus.net>
parents: 35737
diff changeset
2990 multiple calls
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
2991 """
19326
7014526d67a8 revlog: add exception when linkrev == nullrev
Durham Goode <durham@fb.com>
parents: 19200
diff changeset
2992 if link == nullrev:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2993 raise error.RevlogError(
47163
6bc7c467a7d1 revlog: use revlog.display_id in error related to bad revisions
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47162
diff changeset
2994 _(b"attempted to add linkrev -1 to %s") % self.display_id
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2995 )
25459
0bda5bfaf0b1 revlog: move size limit check to addrevision
Matt Mackall <mpm@selenic.com>
parents: 25410
diff changeset
2996
42986
33532939c667 revlog: add a `sidedata` parameters to addrevision
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42985
diff changeset
2997 if sidedata is None:
33532939c667 revlog: add a `sidedata` parameters to addrevision
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42985
diff changeset
2998 sidedata = {}
51058
7c2dc75cdc0f revlog: remove legacy usage of `hassidedata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51057
diff changeset
2999 elif sidedata and not self.feature_config.has_side_data:
43030
827cb4fe62a3 sidedata: introduce a new requirement to protect the feature
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43025
diff changeset
3000 raise error.ProgrammingError(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3001 _(b"trying to add sidedata to a revlog who don't support them")
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3002 )
42986
33532939c667 revlog: add a `sidedata` parameters to addrevision
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42985
diff changeset
3003
30745
c1b7b2285522 revlog: flag processor
Remi Chaintron <remi@fb.com>
parents: 30744
diff changeset
3004 if flags:
c1b7b2285522 revlog: flag processor
Remi Chaintron <remi@fb.com>
parents: 30744
diff changeset
3005 node = node or self.hash(text, p1, p2)
c1b7b2285522 revlog: flag processor
Remi Chaintron <remi@fb.com>
parents: 30744
diff changeset
3006
46709
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
3007 rawtext, validatehash = flagutil.processflagswrite(self, text, flags)
30745
c1b7b2285522 revlog: flag processor
Remi Chaintron <remi@fb.com>
parents: 30744
diff changeset
3008
c1b7b2285522 revlog: flag processor
Remi Chaintron <remi@fb.com>
parents: 30744
diff changeset
3009 # If the flag processor modifies the revision data, ignore any provided
c1b7b2285522 revlog: flag processor
Remi Chaintron <remi@fb.com>
parents: 30744
diff changeset
3010 # cachedelta.
31750
f319981c24c9 revlog: rename some "text"s to "rawtext"
Jun Wu <quark@fb.com>
parents: 31749
diff changeset
3011 if rawtext != text:
30745
c1b7b2285522 revlog: flag processor
Remi Chaintron <remi@fb.com>
parents: 30744
diff changeset
3012 cachedelta = None
c1b7b2285522 revlog: flag processor
Remi Chaintron <remi@fb.com>
parents: 30744
diff changeset
3013
31750
f319981c24c9 revlog: rename some "text"s to "rawtext"
Jun Wu <quark@fb.com>
parents: 31749
diff changeset
3014 if len(rawtext) > _maxentrysize:
39773
2cd93a8d4bde revlog: drop RevlogError alias (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39769
diff changeset
3015 raise error.RevlogError(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3016 _(
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3017 b"%s: size of %d bytes exceeds maximum revlog storage of 2GiB"
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3018 )
47162
dfe8074239de revlog: use revlog.display_id in "revision too big" errors
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47161
diff changeset
3019 % (self.display_id, len(rawtext))
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3020 )
25459
0bda5bfaf0b1 revlog: move size limit check to addrevision
Matt Mackall <mpm@selenic.com>
parents: 25410
diff changeset
3021
31750
f319981c24c9 revlog: rename some "text"s to "rawtext"
Jun Wu <quark@fb.com>
parents: 31749
diff changeset
3022 node = node or self.hash(rawtext, p1, p2)
46508
f7b61ad3c64a revlog: change addrevision to return the new revision, not node
Joerg Sonnenberger <joerg@bec.de>
parents: 46507
diff changeset
3023 rev = self.index.get_rev(node)
f7b61ad3c64a revlog: change addrevision to return the new revision, not node
Joerg Sonnenberger <joerg@bec.de>
parents: 46507
diff changeset
3024 if rev is not None:
f7b61ad3c64a revlog: change addrevision to return the new revision, not node
Joerg Sonnenberger <joerg@bec.de>
parents: 46507
diff changeset
3025 return rev
12023
44c22dc193a4 revlog.addrevision(): move computation of nodeid in addrevision()
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 12012
diff changeset
3026
30745
c1b7b2285522 revlog: flag processor
Remi Chaintron <remi@fb.com>
parents: 30744
diff changeset
3027 if validatehash:
31750
f319981c24c9 revlog: rename some "text"s to "rawtext"
Jun Wu <quark@fb.com>
parents: 31749
diff changeset
3028 self.checkhash(rawtext, node, p1=p1, p2=p2)
30745
c1b7b2285522 revlog: flag processor
Remi Chaintron <remi@fb.com>
parents: 30744
diff changeset
3029
46508
f7b61ad3c64a revlog: change addrevision to return the new revision, not node
Joerg Sonnenberger <joerg@bec.de>
parents: 46507
diff changeset
3030 return self.addrawrevision(
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3031 rawtext,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3032 transaction,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3033 link,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3034 p1,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3035 p2,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3036 node,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3037 flags,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3038 cachedelta=cachedelta,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3039 deltacomputer=deltacomputer,
46709
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
3040 sidedata=sidedata,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3041 )
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3042
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3043 def addrawrevision(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3044 self,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3045 rawtext,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3046 transaction,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3047 link,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3048 p1,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3049 p2,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3050 node,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3051 flags,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3052 cachedelta=None,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3053 deltacomputer=None,
46709
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
3054 sidedata=None,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3055 ):
32244
3de4c61b5087 revlog: move part of "addrevision" to "addrawrevision"
Jun Wu <quark@fb.com>
parents: 32229
diff changeset
3056 """add a raw revision with known flags, node and parents
3de4c61b5087 revlog: move part of "addrevision" to "addrawrevision"
Jun Wu <quark@fb.com>
parents: 32229
diff changeset
3057 useful when reusing a revision not stored in this revlog (ex: received
3de4c61b5087 revlog: move part of "addrevision" to "addrawrevision"
Jun Wu <quark@fb.com>
parents: 32229
diff changeset
3058 over wire, or read from an external bundle).
3de4c61b5087 revlog: move part of "addrevision" to "addrawrevision"
Jun Wu <quark@fb.com>
parents: 32229
diff changeset
3059 """
47214
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47213
diff changeset
3060 with self._writing(transaction):
46507
9ee4e988e2be revlog: change addrawrevision to return the revision
Joerg Sonnenberger <joerg@bec.de>
parents: 46506
diff changeset
3061 return self._addrevision(
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3062 node,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3063 rawtext,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3064 transaction,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3065 link,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3066 p1,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3067 p2,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3068 flags,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3069 cachedelta,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3070 deltacomputer=deltacomputer,
46709
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
3071 sidedata=sidedata,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3072 )
3390
a74addddd092 make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3360
diff changeset
3073
30795
78ac56aebab6 revlog: use compression engine API for compression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30793
diff changeset
3074 def compress(self, data):
51088
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
3075 return self._inner.compress(data)
17128
1028a1c9077a revlog: make compress a method
Bryan O'Sullivan <bryano@fb.com>
parents: 17009
diff changeset
3076
30793
b6f455a6e4d6 revlog: move decompress() from module to revlog class (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30792
diff changeset
3077 def decompress(self, data):
51088
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
3078 return self._inner.decompress(data)
30793
b6f455a6e4d6 revlog: move decompress() from module to revlog class (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30792
diff changeset
3079
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3080 def _addrevision(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3081 self,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3082 node,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3083 rawtext,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3084 transaction,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3085 link,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3086 p1,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3087 p2,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3088 flags,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3089 cachedelta,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3090 alwayscache=False,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3091 deltacomputer=None,
46709
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
3092 sidedata=None,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3093 ):
14292
c97d8485b5fa revlog: add docstring to _addrevision
Sune Foldager <cryo@cyanite.org>
parents: 14270
diff changeset
3094 """internal function to add revisions to the log
12623
8f97b50a8d10 revlog._addrevision(): allow text argument to be None, build it lazily
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 12336
diff changeset
3095
14292
c97d8485b5fa revlog: add docstring to _addrevision
Sune Foldager <cryo@cyanite.org>
parents: 14270
diff changeset
3096 see addrevision for argument descriptions.
31755
ec48d57de110 revlog: make _addrevision only accept rawtext
Jun Wu <quark@fb.com>
parents: 31754
diff changeset
3097
ec48d57de110 revlog: make _addrevision only accept rawtext
Jun Wu <quark@fb.com>
parents: 31754
diff changeset
3098 note: "addrevision" takes non-raw text, "_addrevision" takes raw text.
ec48d57de110 revlog: make _addrevision only accept rawtext
Jun Wu <quark@fb.com>
parents: 31754
diff changeset
3099
35738
f90f6fd130c1 revlog: group delta computation methods under _deltacomputer object
Paul Morelle <paul.morelle@octobus.net>
parents: 35737
diff changeset
3100 if "deltacomputer" is not provided or None, a defaultdeltacomputer will
f90f6fd130c1 revlog: group delta computation methods under _deltacomputer object
Paul Morelle <paul.morelle@octobus.net>
parents: 35737
diff changeset
3101 be used.
f90f6fd130c1 revlog: group delta computation methods under _deltacomputer object
Paul Morelle <paul.morelle@octobus.net>
parents: 35737
diff changeset
3102
14292
c97d8485b5fa revlog: add docstring to _addrevision
Sune Foldager <cryo@cyanite.org>
parents: 14270
diff changeset
3103 invariants:
31755
ec48d57de110 revlog: make _addrevision only accept rawtext
Jun Wu <quark@fb.com>
parents: 31754
diff changeset
3104 - rawtext is optional (can be None); if not set, cachedelta must be set.
17424
e7cfe3587ea4 fix trivial spelling errors
Mads Kiilerich <mads@kiilerich.com>
parents: 17150
diff changeset
3105 if both are set, they must correspond to each other.
14292
c97d8485b5fa revlog: add docstring to _addrevision
Sune Foldager <cryo@cyanite.org>
parents: 14270
diff changeset
3106 """
47012
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
3107 if node == self.nullid:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3108 raise error.RevlogError(
47163
6bc7c467a7d1 revlog: use revlog.display_id in error related to bad revisions
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47162
diff changeset
3109 _(b"%s: attempt to add null revision") % self.display_id
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3110 )
47012
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
3111 if (
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
3112 node == self.nodeconstants.wdirid
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
3113 or node in self.nodeconstants.wdirfilenodeids
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
3114 ):
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3115 raise error.RevlogError(
47163
6bc7c467a7d1 revlog: use revlog.display_id in error related to bad revisions
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47162
diff changeset
3116 _(b"%s: attempt to add wdir revision") % self.display_id
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3117 )
51083
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
3118 if self._inner._writinghandles is None:
47214
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47213
diff changeset
3119 msg = b'adding revision outside `revlog._writing` context'
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47213
diff changeset
3120 raise error.ProgrammingError(msg)
34028
bfb38c5cebf4 revlog: move check for wdir from changelog to revlog
Martin von Zweigbergk <martinvonz@google.com>
parents: 34026
diff changeset
3121
31755
ec48d57de110 revlog: make _addrevision only accept rawtext
Jun Wu <quark@fb.com>
parents: 31754
diff changeset
3122 btext = [rawtext]
12623
8f97b50a8d10 revlog._addrevision(): allow text argument to be None, build it lazily
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 12336
diff changeset
3123
6750
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog
Matt Mackall <mpm@selenic.com>
parents: 6703
diff changeset
3124 curr = len(self)
4981
e7131935fbb3 revlog: simplify addrevision
Matt Mackall <mpm@selenic.com>
parents: 4980
diff changeset
3125 prev = curr - 1
46710
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46709
diff changeset
3126
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46709
diff changeset
3127 offset = self._get_data_offset(prev)
46607
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46509
diff changeset
3128
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46509
diff changeset
3129 if self._concurrencychecker:
51083
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
3130 ifh, dfh, sdfh = self._inner._writinghandles
47389
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47387
diff changeset
3131 # XXX no checking for the sidedata file
46607
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46509
diff changeset
3132 if self._inline:
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46509
diff changeset
3133 # offset is "as if" it were in the .d file, so we need to add on
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46509
diff changeset
3134 # the size of the entry metadata.
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46509
diff changeset
3135 self._concurrencychecker(
47148
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47145
diff changeset
3136 ifh, self._indexfile, offset + curr * self.index.entry_size
46607
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46509
diff changeset
3137 )
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46509
diff changeset
3138 else:
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46509
diff changeset
3139 # Entries in the .i are a consistent size.
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46509
diff changeset
3140 self._concurrencychecker(
47148
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47145
diff changeset
3141 ifh, self._indexfile, curr * self.index.entry_size
46607
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46509
diff changeset
3142 )
47149
396442cd7e6a revlog: rename `datafile` to `datafile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47148
diff changeset
3143 self._concurrencychecker(dfh, self._datafile, offset)
46607
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46509
diff changeset
3144
12889
5482c6b826f4 revlog: precalculate p1 and p2 revisions
Matt Mackall <mpm@selenic.com>
parents: 12888
diff changeset
3145 p1r, p2r = self.rev(p1), self.rev(p2)
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
3146
26116
562cfc99e611 revlog: move textlen calculation to be above delta chooser
Durham Goode <durham@fb.com>
parents: 26115
diff changeset
3147 # full versions are inserted when the needed deltas
562cfc99e611 revlog: move textlen calculation to be above delta chooser
Durham Goode <durham@fb.com>
parents: 26115
diff changeset
3148 # become comparable to the uncompressed text
31755
ec48d57de110 revlog: make _addrevision only accept rawtext
Jun Wu <quark@fb.com>
parents: 31754
diff changeset
3149 if rawtext is None:
36748
369aadf7a326 revlog: resolve lfs rawtext to vanilla rawtext before applying delta
Jun Wu <quark@fb.com>
parents: 36744
diff changeset
3150 # need rawtext size, before changed by flag processors, which is
369aadf7a326 revlog: resolve lfs rawtext to vanilla rawtext before applying delta
Jun Wu <quark@fb.com>
parents: 36744
diff changeset
3151 # the non-raw size. use revlog explicitly to avoid filelog's extra
369aadf7a326 revlog: resolve lfs rawtext to vanilla rawtext before applying delta
Jun Wu <quark@fb.com>
parents: 36744
diff changeset
3152 # logic that might remove metadata size.
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3153 textlen = mdiff.patchedsize(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3154 revlog.size(self, cachedelta[0]), cachedelta[1]
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3155 )
26116
562cfc99e611 revlog: move textlen calculation to be above delta chooser
Durham Goode <durham@fb.com>
parents: 26115
diff changeset
3156 else:
31755
ec48d57de110 revlog: make _addrevision only accept rawtext
Jun Wu <quark@fb.com>
parents: 31754
diff changeset
3157 textlen = len(rawtext)
26116
562cfc99e611 revlog: move textlen calculation to be above delta chooser
Durham Goode <durham@fb.com>
parents: 26115
diff changeset
3158
35738
f90f6fd130c1 revlog: group delta computation methods under _deltacomputer object
Paul Morelle <paul.morelle@octobus.net>
parents: 35737
diff changeset
3159 if deltacomputer is None:
49227
2bcf5e14bb7e deltas: add a `debug.revlog.debug-delta` config option enable output
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49012
diff changeset
3160 write_debug = None
51051
ab2bc31fa91f revlog: remove legacy usage of `_debug_delta`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51048
diff changeset
3161 if self.delta_config.debug_delta:
49227
2bcf5e14bb7e deltas: add a `debug.revlog.debug-delta` config option enable output
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49012
diff changeset
3162 write_debug = transaction._report
2bcf5e14bb7e deltas: add a `debug.revlog.debug-delta` config option enable output
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49012
diff changeset
3163 deltacomputer = deltautil.deltacomputer(
2bcf5e14bb7e deltas: add a `debug.revlog.debug-delta` config option enable output
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49012
diff changeset
3164 self, write_debug=write_debug
2bcf5e14bb7e deltas: add a `debug.revlog.debug-delta` config option enable output
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49012
diff changeset
3165 )
35738
f90f6fd130c1 revlog: group delta computation methods under _deltacomputer object
Paul Morelle <paul.morelle@octobus.net>
parents: 35737
diff changeset
3166
49677
05db41701ece find-delta: pass the cache-delta usage policy alongside the cache-delta
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49663
diff changeset
3167 if cachedelta is not None and len(cachedelta) == 2:
05db41701ece find-delta: pass the cache-delta usage policy alongside the cache-delta
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49663
diff changeset
3168 # If the cached delta has no information about how it should be
05db41701ece find-delta: pass the cache-delta usage policy alongside the cache-delta
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49663
diff changeset
3169 # reused, add the default reuse instruction according to the
05db41701ece find-delta: pass the cache-delta usage policy alongside the cache-delta
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49663
diff changeset
3170 # revlog's configuration.
51043
f636103c4d67 revlog: remove legacy usage of `_generaldelta`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51041
diff changeset
3171 if (
f636103c4d67 revlog: remove legacy usage of `_generaldelta`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51041
diff changeset
3172 self.delta_config.general_delta
f636103c4d67 revlog: remove legacy usage of `_generaldelta`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51041
diff changeset
3173 and self.delta_config.lazy_delta_base
f636103c4d67 revlog: remove legacy usage of `_generaldelta`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51041
diff changeset
3174 ):
49677
05db41701ece find-delta: pass the cache-delta usage policy alongside the cache-delta
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49663
diff changeset
3175 delta_base_reuse = DELTA_BASE_REUSE_TRY
05db41701ece find-delta: pass the cache-delta usage policy alongside the cache-delta
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49663
diff changeset
3176 else:
05db41701ece find-delta: pass the cache-delta usage policy alongside the cache-delta
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49663
diff changeset
3177 delta_base_reuse = DELTA_BASE_REUSE_NO
05db41701ece find-delta: pass the cache-delta usage policy alongside the cache-delta
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49663
diff changeset
3178 cachedelta = (cachedelta[0], cachedelta[1], delta_base_reuse)
05db41701ece find-delta: pass the cache-delta usage policy alongside the cache-delta
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49663
diff changeset
3179
47399
34cc102c73f5 revlog: move `revisioninfo` in `revlogutils`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47396
diff changeset
3180 revinfo = revlogutils.revisioninfo(
34cc102c73f5 revlog: move `revisioninfo` in `revlogutils`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47396
diff changeset
3181 node,
34cc102c73f5 revlog: move `revisioninfo` in `revlogutils`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47396
diff changeset
3182 p1,
34cc102c73f5 revlog: move `revisioninfo` in `revlogutils`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47396
diff changeset
3183 p2,
34cc102c73f5 revlog: move `revisioninfo` in `revlogutils`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47396
diff changeset
3184 btext,
34cc102c73f5 revlog: move `revisioninfo` in `revlogutils`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47396
diff changeset
3185 textlen,
34cc102c73f5 revlog: move `revisioninfo` in `revlogutils`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47396
diff changeset
3186 cachedelta,
34cc102c73f5 revlog: move `revisioninfo` in `revlogutils`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47396
diff changeset
3187 flags,
34cc102c73f5 revlog: move `revisioninfo` in `revlogutils`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47396
diff changeset
3188 )
36744
33275ab5e837 revlog: do not use delta for lfs revisions
Jun Wu <quark@fb.com>
parents: 36743
diff changeset
3189
51017
509f0f7fc89e delta-computer: stop explicitly taking file handle
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51015
diff changeset
3190 deltainfo = deltacomputer.finddeltainfo(revinfo)
35634
b43578ec483a revlog: refactor out the selection of candidate revisions
Paul Morelle <paul.morelle@octobus.net>
parents: 35521
diff changeset
3191
47253
b876f0bf7366 revlog: introduce a plain compression mode
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47252
diff changeset
3192 compression_mode = COMP_MODE_INLINE
b876f0bf7366 revlog: introduce a plain compression mode
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47252
diff changeset
3193 if self._docket is not None:
47452
c6844912c327 revlog: factor the logic to determine the delta compression out
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47450
diff changeset
3194 default_comp = self._docket.default_compression_header
c6844912c327 revlog: factor the logic to determine the delta compression out
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47450
diff changeset
3195 r = deltautil.delta_compression(default_comp, deltainfo)
c6844912c327 revlog: factor the logic to determine the delta compression out
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47450
diff changeset
3196 compression_mode, deltainfo = r
47253
b876f0bf7366 revlog: introduce a plain compression mode
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47252
diff changeset
3197
47256
2b69555e4875 revlog: introduce a compression mode for sidedata in the revlog index
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47255
diff changeset
3198 sidedata_compression_mode = COMP_MODE_INLINE
51058
7c2dc75cdc0f revlog: remove legacy usage of `hassidedata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51057
diff changeset
3199 if sidedata and self.feature_config.has_side_data:
47256
2b69555e4875 revlog: introduce a compression mode for sidedata in the revlog index
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47255
diff changeset
3200 sidedata_compression_mode = COMP_MODE_PLAIN
46709
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
3201 serialized_sidedata = sidedatautil.serialize_sidedata(sidedata)
47389
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47387
diff changeset
3202 sidedata_offset = self._docket.sidedata_end
51088
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
3203 h, comp_sidedata = self._inner.compress(serialized_sidedata)
47258
c4dbb7636a12 revlog: compress sidedata in `_writeentry`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47257
diff changeset
3204 if (
c4dbb7636a12 revlog: compress sidedata in `_writeentry`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47257
diff changeset
3205 h != b'u'
c4dbb7636a12 revlog: compress sidedata in `_writeentry`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47257
diff changeset
3206 and comp_sidedata[0:1] != b'\0'
c4dbb7636a12 revlog: compress sidedata in `_writeentry`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47257
diff changeset
3207 and len(comp_sidedata) < len(serialized_sidedata)
c4dbb7636a12 revlog: compress sidedata in `_writeentry`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47257
diff changeset
3208 ):
c4dbb7636a12 revlog: compress sidedata in `_writeentry`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47257
diff changeset
3209 assert not h
c4dbb7636a12 revlog: compress sidedata in `_writeentry`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47257
diff changeset
3210 if (
c4dbb7636a12 revlog: compress sidedata in `_writeentry`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47257
diff changeset
3211 comp_sidedata[0:1]
c4dbb7636a12 revlog: compress sidedata in `_writeentry`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47257
diff changeset
3212 == self._docket.default_compression_header
c4dbb7636a12 revlog: compress sidedata in `_writeentry`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47257
diff changeset
3213 ):
c4dbb7636a12 revlog: compress sidedata in `_writeentry`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47257
diff changeset
3214 sidedata_compression_mode = COMP_MODE_DEFAULT
c4dbb7636a12 revlog: compress sidedata in `_writeentry`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47257
diff changeset
3215 serialized_sidedata = comp_sidedata
c4dbb7636a12 revlog: compress sidedata in `_writeentry`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47257
diff changeset
3216 else:
c4dbb7636a12 revlog: compress sidedata in `_writeentry`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47257
diff changeset
3217 sidedata_compression_mode = COMP_MODE_INLINE
c4dbb7636a12 revlog: compress sidedata in `_writeentry`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47257
diff changeset
3218 serialized_sidedata = comp_sidedata
46709
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
3219 else:
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
3220 serialized_sidedata = b""
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
3221 # Don't store the offset if the sidedata is empty, that way
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
3222 # we can easily detect empty sidedata and they will be no different
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
3223 # than ones we manually add.
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
3224 sidedata_offset = 0
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
3225
48761
2e949ede7350 rank: naive rank property computation and retrieval
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 48681
diff changeset
3226 rank = RANK_UNKNOWN
51061
81f3877372c3 revlog: remove legacy usage of `_compute_rank`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51058
diff changeset
3227 if self.feature_config.compute_rank:
48765
580660518459 rank: compute property incrementally
pacien <pacien.trangirard@pacien.net>
parents: 48761
diff changeset
3228 if (p1r, p2r) == (nullrev, nullrev):
580660518459 rank: compute property incrementally
pacien <pacien.trangirard@pacien.net>
parents: 48761
diff changeset
3229 rank = 1
580660518459 rank: compute property incrementally
pacien <pacien.trangirard@pacien.net>
parents: 48761
diff changeset
3230 elif p1r != nullrev and p2r == nullrev:
580660518459 rank: compute property incrementally
pacien <pacien.trangirard@pacien.net>
parents: 48761
diff changeset
3231 rank = 1 + self.fast_rank(p1r)
580660518459 rank: compute property incrementally
pacien <pacien.trangirard@pacien.net>
parents: 48761
diff changeset
3232 elif p1r == nullrev and p2r != nullrev:
580660518459 rank: compute property incrementally
pacien <pacien.trangirard@pacien.net>
parents: 48761
diff changeset
3233 rank = 1 + self.fast_rank(p2r)
580660518459 rank: compute property incrementally
pacien <pacien.trangirard@pacien.net>
parents: 48761
diff changeset
3234 else: # merge node
48855
6ea9ead59cf8 revlog: use rust rank computation if available
pacien <pacien.trangirard@pacien.net>
parents: 48851
diff changeset
3235 if rustdagop is not None and self.index.rust_ext_compat:
6ea9ead59cf8 revlog: use rust rank computation if available
pacien <pacien.trangirard@pacien.net>
parents: 48851
diff changeset
3236 rank = rustdagop.rank(self.index, p1r, p2r)
6ea9ead59cf8 revlog: use rust rank computation if available
pacien <pacien.trangirard@pacien.net>
parents: 48851
diff changeset
3237 else:
6ea9ead59cf8 revlog: use rust rank computation if available
pacien <pacien.trangirard@pacien.net>
parents: 48851
diff changeset
3238 pmin, pmax = sorted((p1r, p2r))
6ea9ead59cf8 revlog: use rust rank computation if available
pacien <pacien.trangirard@pacien.net>
parents: 48851
diff changeset
3239 rank = 1 + self.fast_rank(pmax)
6ea9ead59cf8 revlog: use rust rank computation if available
pacien <pacien.trangirard@pacien.net>
parents: 48851
diff changeset
3240 rank += sum(1 for _ in self.findmissingrevs([pmax], [pmin]))
48761
2e949ede7350 rank: naive rank property computation and retrieval
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 48681
diff changeset
3241
47396
8230f0204eb8 revlog: use the new `entry` function in revlog.py
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47394
diff changeset
3242 e = revlogutils.entry(
8230f0204eb8 revlog: use the new `entry` function in revlog.py
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47394
diff changeset
3243 flags=flags,
8230f0204eb8 revlog: use the new `entry` function in revlog.py
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47394
diff changeset
3244 data_offset=offset,
8230f0204eb8 revlog: use the new `entry` function in revlog.py
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47394
diff changeset
3245 data_compressed_length=deltainfo.deltalen,
8230f0204eb8 revlog: use the new `entry` function in revlog.py
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47394
diff changeset
3246 data_uncompressed_length=textlen,
8230f0204eb8 revlog: use the new `entry` function in revlog.py
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47394
diff changeset
3247 data_compression_mode=compression_mode,
8230f0204eb8 revlog: use the new `entry` function in revlog.py
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47394
diff changeset
3248 data_delta_base=deltainfo.base,
8230f0204eb8 revlog: use the new `entry` function in revlog.py
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47394
diff changeset
3249 link_rev=link,
8230f0204eb8 revlog: use the new `entry` function in revlog.py
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47394
diff changeset
3250 parent_rev_1=p1r,
8230f0204eb8 revlog: use the new `entry` function in revlog.py
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47394
diff changeset
3251 parent_rev_2=p2r,
8230f0204eb8 revlog: use the new `entry` function in revlog.py
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47394
diff changeset
3252 node_id=node,
8230f0204eb8 revlog: use the new `entry` function in revlog.py
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47394
diff changeset
3253 sidedata_offset=sidedata_offset,
8230f0204eb8 revlog: use the new `entry` function in revlog.py
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47394
diff changeset
3254 sidedata_compressed_length=len(serialized_sidedata),
8230f0204eb8 revlog: use the new `entry` function in revlog.py
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47394
diff changeset
3255 sidedata_compression_mode=sidedata_compression_mode,
48761
2e949ede7350 rank: naive rank property computation and retrieval
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 48681
diff changeset
3256 rank=rank,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3257 )
46704
913485776542 revlog: introduce v2 format
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46607
diff changeset
3258
38850
6104b203bec8 index: replace insert(-1, e) method by append(e) method
Martin von Zweigbergk <martinvonz@google.com>
parents: 38849
diff changeset
3259 self.index.append(e)
47037
d57386e5c80e revlog: have an explicit "pack_header" method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47036
diff changeset
3260 entry = self.index.entry_binary(curr)
47235
6b1eae313b2f revlogv2: store version information in the docket only
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47234
diff changeset
3261 if curr == 0 and self._docket is None:
47139
f58a13c52726 revlog: split the `version` attribute into its two components
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47136
diff changeset
3262 header = self._format_flags | self._format_version
f58a13c52726 revlog: split the `version` attribute into its two components
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47136
diff changeset
3263 header = self.index.pack_header(header)
47037
d57386e5c80e revlog: have an explicit "pack_header" method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47036
diff changeset
3264 entry = header + entry
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3265 self._writeentry(
46709
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
3266 transaction,
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
3267 entry,
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
3268 deltainfo.data,
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
3269 link,
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
3270 offset,
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
3271 serialized_sidedata,
47389
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47387
diff changeset
3272 sidedata_offset,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3273 )
39333
5d343a24bff5 revlogdeltas: always return a delta info object in finddeltainfo
Boris Feld <boris.feld@octobus.net>
parents: 39332
diff changeset
3274
5d343a24bff5 revlogdeltas: always return a delta info object in finddeltainfo
Boris Feld <boris.feld@octobus.net>
parents: 39332
diff changeset
3275 rawtext = btext[0]
20217
33394f2e331e revlog: move file writing to a separate function
Durham Goode <durham@fb.com>
parents: 20180
diff changeset
3276
31755
ec48d57de110 revlog: make _addrevision only accept rawtext
Jun Wu <quark@fb.com>
parents: 31754
diff changeset
3277 if alwayscache and rawtext is None:
51017
509f0f7fc89e delta-computer: stop explicitly taking file handle
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51015
diff changeset
3278 rawtext = deltacomputer.buildtext(revinfo)
26243
836291420d53 revlog: optionally cache the full text when adding revisions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26242
diff changeset
3279
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3280 if type(rawtext) == bytes: # only accept immutable objects
51093
8ec2de9c6770 revlog: move the_revisioncache on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51092
diff changeset
3281 self._inner._revisioncache = (node, curr, rawtext)
39333
5d343a24bff5 revlogdeltas: always return a delta info object in finddeltainfo
Boris Feld <boris.feld@octobus.net>
parents: 39332
diff changeset
3282 self._chainbasecache[curr] = deltainfo.chainbase
46506
07984507d553 revlog: change _addrevision to return the new revision
Joerg Sonnenberger <joerg@bec.de>
parents: 46469
diff changeset
3283 return curr
20217
33394f2e331e revlog: move file writing to a separate function
Durham Goode <durham@fb.com>
parents: 20180
diff changeset
3284
46710
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46709
diff changeset
3285 def _get_data_offset(self, prev):
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46709
diff changeset
3286 """Returns the current offset in the (in-transaction) data file.
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46709
diff changeset
3287 Versions < 2 of the revlog can get this 0(1), revlog v2 needs a docket
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46709
diff changeset
3288 file to store that information: since sidedata can be rewritten to the
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46709
diff changeset
3289 end of the data file within a transaction, you can have cases where, for
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46709
diff changeset
3290 example, rev `n` does not have sidedata while rev `n - 1` does, leading
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46709
diff changeset
3291 to `n - 1`'s sidedata being written after `n`'s data.
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46709
diff changeset
3292
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46709
diff changeset
3293 TODO cache this in a docket file before getting out of experimental."""
47242
4abd474a10af revlogv2: also keep track for the size of the "data" file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47241
diff changeset
3294 if self._docket is None:
46710
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46709
diff changeset
3295 return self.end(prev)
47242
4abd474a10af revlogv2: also keep track for the size of the "data" file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47241
diff changeset
3296 else:
4abd474a10af revlogv2: also keep track for the size of the "data" file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47241
diff changeset
3297 return self._docket.data_end
46710
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46709
diff changeset
3298
47389
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47387
diff changeset
3299 def _writeentry(
51096
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
3300 self,
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
3301 transaction,
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
3302 entry,
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
3303 data,
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
3304 link,
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
3305 offset,
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
3306 sidedata,
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
3307 sidedata_offset,
47389
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47387
diff changeset
3308 ):
27430
e240e914d226 revlog: seek to end of file before writing (issue4943)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26705
diff changeset
3309 # Files opened in a+ mode have inconsistent behavior on various
e240e914d226 revlog: seek to end of file before writing (issue4943)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26705
diff changeset
3310 # platforms. Windows requires that a file positioning call be made
e240e914d226 revlog: seek to end of file before writing (issue4943)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26705
diff changeset
3311 # when the file handle transitions between reads and writes. See
e240e914d226 revlog: seek to end of file before writing (issue4943)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26705
diff changeset
3312 # 3686fa2b8eee and the mixedfilemodewrapper in windows.py. On other
e240e914d226 revlog: seek to end of file before writing (issue4943)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26705
diff changeset
3313 # platforms, Python or the platform itself can be buggy. Some versions
e240e914d226 revlog: seek to end of file before writing (issue4943)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26705
diff changeset
3314 # of Solaris have been observed to not append at the end of the file
e240e914d226 revlog: seek to end of file before writing (issue4943)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26705
diff changeset
3315 # if the file was seeked to before the end. See issue4943 for more.
e240e914d226 revlog: seek to end of file before writing (issue4943)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26705
diff changeset
3316 #
e240e914d226 revlog: seek to end of file before writing (issue4943)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26705
diff changeset
3317 # We work around this issue by inserting a seek() before writing.
40627
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40626
diff changeset
3318 # Note: This is likely not necessary on Python 3. However, because
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40626
diff changeset
3319 # the file handle is reused for reads and may be seeked there, we need
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40626
diff changeset
3320 # to be careful before changing this.
51096
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
3321 index_end = data_end = sidedata_end = None
47238
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47235
diff changeset
3322 if self._docket is not None:
51096
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
3323 index_end = self._docket.index_end
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
3324 data_end = self._docket.data_end
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
3325 sidedata_end = self._docket.sidedata_end
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
3326
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
3327 files_end = self._inner.write_entry(
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
3328 transaction,
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
3329 entry,
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
3330 data,
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
3331 link,
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
3332 offset,
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
3333 sidedata,
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
3334 sidedata_offset,
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
3335 index_end,
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
3336 data_end,
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
3337 sidedata_end,
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
3338 )
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
3339 self._enforceinlinesize(transaction)
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
3340 if self._docket is not None:
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
3341 self._docket.index_end = files_end[0]
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
3342 self._docket.data_end = files_end[1]
eba138890c64 revlog: move entry writing in the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51095
diff changeset
3343 self._docket.sidedata_end = files_end[2]
47238
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47235
diff changeset
3344
44308
5962fd0d1045 nodemap: write nodemap data on disk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44073
diff changeset
3345 nodemaputil.setup_persistent_nodemap(transaction, self)
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
3346
45788
a5206e71c536 revlog: extend addgroup() with callback for duplicates
Joerg Sonnenberger <joerg@bec.de>
parents: 45779
diff changeset
3347 def addgroup(
a5206e71c536 revlog: extend addgroup() with callback for duplicates
Joerg Sonnenberger <joerg@bec.de>
parents: 45779
diff changeset
3348 self,
a5206e71c536 revlog: extend addgroup() with callback for duplicates
Joerg Sonnenberger <joerg@bec.de>
parents: 45779
diff changeset
3349 deltas,
a5206e71c536 revlog: extend addgroup() with callback for duplicates
Joerg Sonnenberger <joerg@bec.de>
parents: 45779
diff changeset
3350 linkmapper,
a5206e71c536 revlog: extend addgroup() with callback for duplicates
Joerg Sonnenberger <joerg@bec.de>
parents: 45779
diff changeset
3351 transaction,
46373
711ba0f1057e revlog: decouple caching from addrevision callback for addgroup
Joerg Sonnenberger <joerg@bec.de>
parents: 46310
diff changeset
3352 alwayscache=False,
45788
a5206e71c536 revlog: extend addgroup() with callback for duplicates
Joerg Sonnenberger <joerg@bec.de>
parents: 45779
diff changeset
3353 addrevisioncb=None,
a5206e71c536 revlog: extend addgroup() with callback for duplicates
Joerg Sonnenberger <joerg@bec.de>
parents: 45779
diff changeset
3354 duplicaterevisioncb=None,
49610
35d4c2124073 debug: add an option to display statistic about a unbundling operation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49609
diff changeset
3355 debug_info=None,
49766
152d9c011bcd changegroup: add `delta_base_reuse_policy` argument
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49677
diff changeset
3356 delta_base_reuse_policy=None,
45788
a5206e71c536 revlog: extend addgroup() with callback for duplicates
Joerg Sonnenberger <joerg@bec.de>
parents: 45779
diff changeset
3357 ):
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
3358 """
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
3359 add a delta group
46
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
3360
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
3361 given a set of deltas, add them to the revision log. the
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
3362 first delta is against its parent, which should be in our
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
3363 log, the rest are against the previous delta.
25822
00e3f909907f revlog: add support for a callback whenever revisions are added
Gregory Szorc <gregory.szorc@gmail.com>
parents: 25660
diff changeset
3364
00e3f909907f revlog: add support for a callback whenever revisions are added
Gregory Szorc <gregory.szorc@gmail.com>
parents: 25660
diff changeset
3365 If ``addrevisioncb`` is defined, it will be called with arguments of
00e3f909907f revlog: add support for a callback whenever revisions are added
Gregory Szorc <gregory.szorc@gmail.com>
parents: 25660
diff changeset
3366 this revlog and the node that was added.
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
3367 """
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
3368
47214
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47213
diff changeset
3369 if self._adding_group:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3370 raise error.ProgrammingError(b'cannot nest addgroup() calls')
40627
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40626
diff changeset
3371
49766
152d9c011bcd changegroup: add `delta_base_reuse_policy` argument
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49677
diff changeset
3372 # read the default delta-base reuse policy from revlog config if the
152d9c011bcd changegroup: add `delta_base_reuse_policy` argument
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49677
diff changeset
3373 # group did not specify one.
152d9c011bcd changegroup: add `delta_base_reuse_policy` argument
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49677
diff changeset
3374 if delta_base_reuse_policy is None:
51043
f636103c4d67 revlog: remove legacy usage of `_generaldelta`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51041
diff changeset
3375 if (
f636103c4d67 revlog: remove legacy usage of `_generaldelta`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51041
diff changeset
3376 self.delta_config.general_delta
f636103c4d67 revlog: remove legacy usage of `_generaldelta`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51041
diff changeset
3377 and self.delta_config.lazy_delta_base
f636103c4d67 revlog: remove legacy usage of `_generaldelta`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51041
diff changeset
3378 ):
49766
152d9c011bcd changegroup: add `delta_base_reuse_policy` argument
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49677
diff changeset
3379 delta_base_reuse_policy = DELTA_BASE_REUSE_TRY
152d9c011bcd changegroup: add `delta_base_reuse_policy` argument
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49677
diff changeset
3380 else:
152d9c011bcd changegroup: add `delta_base_reuse_policy` argument
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49677
diff changeset
3381 delta_base_reuse_policy = DELTA_BASE_REUSE_NO
152d9c011bcd changegroup: add `delta_base_reuse_policy` argument
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49677
diff changeset
3382
47214
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47213
diff changeset
3383 self._adding_group = True
45788
a5206e71c536 revlog: extend addgroup() with callback for duplicates
Joerg Sonnenberger <joerg@bec.de>
parents: 45779
diff changeset
3384 empty = True
6261
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6228
diff changeset
3385 try:
47214
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47213
diff changeset
3386 with self._writing(transaction):
49227
2bcf5e14bb7e deltas: add a `debug.revlog.debug-delta` config option enable output
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49012
diff changeset
3387 write_debug = None
51051
ab2bc31fa91f revlog: remove legacy usage of `_debug_delta`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51048
diff changeset
3388 if self.delta_config.debug_delta:
49227
2bcf5e14bb7e deltas: add a `debug.revlog.debug-delta` config option enable output
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49012
diff changeset
3389 write_debug = transaction._report
2bcf5e14bb7e deltas: add a `debug.revlog.debug-delta` config option enable output
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49012
diff changeset
3390 deltacomputer = deltautil.deltacomputer(
2bcf5e14bb7e deltas: add a `debug.revlog.debug-delta` config option enable output
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49012
diff changeset
3391 self,
2bcf5e14bb7e deltas: add a `debug.revlog.debug-delta` config option enable output
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49012
diff changeset
3392 write_debug=write_debug,
49610
35d4c2124073 debug: add an option to display statistic about a unbundling operation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49609
diff changeset
3393 debug_info=debug_info,
49227
2bcf5e14bb7e deltas: add a `debug.revlog.debug-delta` config option enable output
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49012
diff changeset
3394 )
47212
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3395 # loop through our set of deltas
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3396 for data in deltas:
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3397 (
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3398 node,
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3399 p1,
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3400 p2,
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3401 linknode,
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3402 deltabase,
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3403 delta,
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3404 flags,
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3405 sidedata,
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3406 ) = data
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3407 link = linkmapper(linknode)
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3408 flags = flags or REVIDX_DEFAULT_FLAGS
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3409
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3410 rev = self.index.get_rev(node)
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3411 if rev is not None:
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3412 # this can happen if two branches make the same change
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3413 self._nodeduplicatecallback(transaction, rev)
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3414 if duplicaterevisioncb:
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3415 duplicaterevisioncb(self, rev)
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3416 empty = False
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3417 continue
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3418
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3419 for p in (p1, p2):
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3420 if not self.index.has_node(p):
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3421 raise error.LookupError(
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3422 p, self.radix, _(b'unknown parent')
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3423 )
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3424
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3425 if not self.index.has_node(deltabase):
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3426 raise error.LookupError(
47212
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3427 deltabase, self.display_id, _(b'unknown delta base')
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3428 )
24120
a450e0a2ba0a revlog: in addgroup, reject ill-formed deltas based on censored nodes
Mike Edgar <adgar@google.com>
parents: 24118
diff changeset
3429
47212
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3430 baserev = self.rev(deltabase)
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3431
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3432 if baserev != nullrev and self.iscensored(baserev):
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3433 # if base is censored, delta must be full replacement in a
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3434 # single patch operation
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3435 hlen = struct.calcsize(b">lll")
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3436 oldlen = self.rawsize(baserev)
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3437 newlen = len(delta) - hlen
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3438 if delta[:hlen] != mdiff.replacediffheader(
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3439 oldlen, newlen
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3440 ):
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3441 raise error.CensoredBaseError(
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3442 self.display_id, self.node(baserev)
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3443 )
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3444
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3445 if not flags and self._peek_iscensored(baserev, delta):
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3446 flags |= REVIDX_ISCENSORED
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3447
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3448 # We assume consumers of addrevisioncb will want to retrieve
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3449 # the added revision, which will require a call to
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3450 # revision(). revision() will fast path if there is a cache
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3451 # hit. So, we tell _addrevision() to always cache in this case.
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3452 # We're only using addgroup() in the context of changegroup
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3453 # generation so the revision data can always be handled as raw
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3454 # by the flagprocessor.
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3455 rev = self._addrevision(
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3456 node,
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3457 None,
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3458 transaction,
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3459 link,
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3460 p1,
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3461 p2,
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3462 flags,
49766
152d9c011bcd changegroup: add `delta_base_reuse_policy` argument
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49677
diff changeset
3463 (baserev, delta, delta_base_reuse_policy),
47212
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3464 alwayscache=alwayscache,
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3465 deltacomputer=deltacomputer,
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3466 sidedata=sidedata,
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3467 )
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3468
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3469 if addrevisioncb:
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3470 addrevisioncb(self, rev)
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
3471 empty = False
6261
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6228
diff changeset
3472 finally:
47214
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47213
diff changeset
3473 self._adding_group = False
45788
a5206e71c536 revlog: extend addgroup() with callback for duplicates
Joerg Sonnenberger <joerg@bec.de>
parents: 45779
diff changeset
3474 return not empty
1493
1a216cb4ee64 verify: add check for mismatch of index and data length
Matt Mackall <mpm@selenic.com>
parents: 1469
diff changeset
3475
24118
76f6ae06ddf5 revlog: add "iscensored()" to revlog public API
Mike Edgar <adgar@google.com>
parents: 24030
diff changeset
3476 def iscensored(self, rev):
76f6ae06ddf5 revlog: add "iscensored()" to revlog public API
Mike Edgar <adgar@google.com>
parents: 24030
diff changeset
3477 """Check if a file revision is censored."""
51047
0d33f4b0c4cb revlog: remove legacy usage of `_censorable`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51046
diff changeset
3478 if not self.feature_config.censorable:
37443
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
3479 return False
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
3480
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
3481 return self.flags(rev) & REVIDX_ISCENSORED
24118
76f6ae06ddf5 revlog: add "iscensored()" to revlog public API
Mike Edgar <adgar@google.com>
parents: 24030
diff changeset
3482
47166
c9ae2e7fe154 revlog: drop `flush` parameter from `_peek_iscensored`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47165
diff changeset
3483 def _peek_iscensored(self, baserev, delta):
24255
4bfe9f2d9761 revlog: addgroup checks if incoming deltas add censored revs, sets flag bit
Mike Edgar <adgar@google.com>
parents: 24123
diff changeset
3484 """Quickly check if a delta produces a censored revision."""
51047
0d33f4b0c4cb revlog: remove legacy usage of `_censorable`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51046
diff changeset
3485 if not self.feature_config.censorable:
37443
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
3486 return False
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
3487
40325
b0fbd1792e2d storageutil: extract most of peek_censored from revlog
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40298
diff changeset
3488 return storageutil.deltaiscensored(delta, baserev, self.rawsize)
24255
4bfe9f2d9761 revlog: addgroup checks if incoming deltas add censored revs, sets flag bit
Mike Edgar <adgar@google.com>
parents: 24123
diff changeset
3489
20074
5fc2ae1c631b strip: add faster revlog strip computation
Durham Goode <durham@fb.com>
parents: 20073
diff changeset
3490 def getstrippoint(self, minlink):
5fc2ae1c631b strip: add faster revlog strip computation
Durham Goode <durham@fb.com>
parents: 20073
diff changeset
3491 """find the minimum rev that must be stripped to strip the linkrev
5fc2ae1c631b strip: add faster revlog strip computation
Durham Goode <durham@fb.com>
parents: 20073
diff changeset
3492
5fc2ae1c631b strip: add faster revlog strip computation
Durham Goode <durham@fb.com>
parents: 20073
diff changeset
3493 Returns a tuple containing the minimum rev and a set of all revs that
5fc2ae1c631b strip: add faster revlog strip computation
Durham Goode <durham@fb.com>
parents: 20073
diff changeset
3494 have linkrevs that will be broken by this strip.
5fc2ae1c631b strip: add faster revlog strip computation
Durham Goode <durham@fb.com>
parents: 20073
diff changeset
3495 """
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3496 return storageutil.resolvestripinfo(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3497 minlink,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3498 len(self) - 1,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3499 self.headrevs(),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3500 self.linkrev,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3501 self.parentrevs,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3502 )
20074
5fc2ae1c631b strip: add faster revlog strip computation
Durham Goode <durham@fb.com>
parents: 20073
diff changeset
3503
8073
e8a28556a0a8 strip: make repair.strip transactional to avoid repository corruption
Henrik Stuart <henrik.stuart@edlund.dk>
parents: 8017
diff changeset
3504 def strip(self, minlink, transaction):
5910
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5909
diff changeset
3505 """truncate the revlog on the first revision with a linkrev >= minlink
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5909
diff changeset
3506
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5909
diff changeset
3507 This function is called when we're stripping revision minlink and
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5909
diff changeset
3508 its descendants from the repository.
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5909
diff changeset
3509
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5909
diff changeset
3510 We have to remove all revisions with linkrev >= minlink, because
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5909
diff changeset
3511 the equivalent changelog revisions will be renumbered after the
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5909
diff changeset
3512 strip.
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5909
diff changeset
3513
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5909
diff changeset
3514 So we truncate the revlog on the first of these revisions, and
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5909
diff changeset
3515 trust that the caller has saved the revisions that shouldn't be
15827
1dacf7672556 revlog: clarify strip docstring "readd" -> "re-add"
Steven Brown <StevenGBrown@gmail.com>
parents: 15407
diff changeset
3516 removed and that it'll re-add them after this truncation.
5910
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5909
diff changeset
3517 """
6750
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog
Matt Mackall <mpm@selenic.com>
parents: 6703
diff changeset
3518 if len(self) == 0:
1535
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
3519 return
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
3520
20074
5fc2ae1c631b strip: add faster revlog strip computation
Durham Goode <durham@fb.com>
parents: 20073
diff changeset
3521 rev, _ = self.getstrippoint(minlink)
5fc2ae1c631b strip: add faster revlog strip computation
Durham Goode <durham@fb.com>
parents: 20073
diff changeset
3522 if rev == len(self):
5909
f45f7390c1c5 strip: calculate list of extra nodes to save and pass it to changegroupsubset
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5659
diff changeset
3523 return
1535
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
3524
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
3525 # first truncate the files on disk
47242
4abd474a10af revlogv2: also keep track for the size of the "data" file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47241
diff changeset
3526 data_end = self.start(rev)
4982
9672e3c42b0c revlog: change _inline from a function to a variable
Matt Mackall <mpm@selenic.com>
parents: 4981
diff changeset
3527 if not self._inline:
47242
4abd474a10af revlogv2: also keep track for the size of the "data" file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47241
diff changeset
3528 transaction.add(self._datafile, data_end)
46974
3c9208702db3 revlog: replace revlog._io.size with a new revlog.index.entry_size
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46859
diff changeset
3529 end = rev * self.index.entry_size
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
3530 else:
47242
4abd474a10af revlogv2: also keep track for the size of the "data" file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47241
diff changeset
3531 end = data_end + (rev * self.index.entry_size)
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
3532
47389
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47387
diff changeset
3533 if self._sidedatafile:
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47387
diff changeset
3534 sidedata_end = self.sidedata_cut_off(rev)
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47387
diff changeset
3535 transaction.add(self._sidedatafile, sidedata_end)
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47387
diff changeset
3536
47148
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47145
diff changeset
3537 transaction.add(self._indexfile, end)
47238
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47235
diff changeset
3538 if self._docket is not None:
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47235
diff changeset
3539 # XXX we could, leverage the docket while stripping. However it is
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47235
diff changeset
3540 # not powerfull enough at the time of this comment
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47235
diff changeset
3541 self._docket.index_end = end
47242
4abd474a10af revlogv2: also keep track for the size of the "data" file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47241
diff changeset
3542 self._docket.data_end = data_end
47389
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47387
diff changeset
3543 self._docket.sidedata_end = sidedata_end
47238
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47235
diff changeset
3544 self._docket.write(transaction, stripping=True)
1535
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
3545
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
3546 # then reset internal state in memory to forget those revisions
45779
8719a5b68419 revlog: use LRU for the chain cache
Joerg Sonnenberger <joerg@bec.de>
parents: 45735
diff changeset
3547 self._chaininfocache = util.lrucachedict(500)
51098
045b5f745f93 revlog: consolidate cache invalidation within the inner objet
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51096
diff changeset
3548 self._inner.clear_cache()
1535
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
3549
4979
06abdaf78788 revlog: add a magic null revision to our index
Matt Mackall <mpm@selenic.com>
parents: 4978
diff changeset
3550 del self.index[rev:-1]
1535
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
3551
1493
1a216cb4ee64 verify: add check for mismatch of index and data length
Matt Mackall <mpm@selenic.com>
parents: 1469
diff changeset
3552 def checksize(self):
41872
3f3f962457b2 revlog: add some documentation to the `checksize` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41857
diff changeset
3553 """Check size of index and data files
3f3f962457b2 revlog: add some documentation to the `checksize` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41857
diff changeset
3554
3f3f962457b2 revlog: add some documentation to the `checksize` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41857
diff changeset
3555 return a (dd, di) tuple.
3f3f962457b2 revlog: add some documentation to the `checksize` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41857
diff changeset
3556 - dd: extra bytes for the "data" file
3f3f962457b2 revlog: add some documentation to the `checksize` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41857
diff changeset
3557 - di: extra bytes for the "index" file
3f3f962457b2 revlog: add some documentation to the `checksize` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41857
diff changeset
3558
3f3f962457b2 revlog: add some documentation to the `checksize` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41857
diff changeset
3559 A healthy revlog will return (0, 0).
3f3f962457b2 revlog: add some documentation to the `checksize` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41857
diff changeset
3560 """
1493
1a216cb4ee64 verify: add check for mismatch of index and data length
Matt Mackall <mpm@selenic.com>
parents: 1469
diff changeset
3561 expected = 0
6750
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog
Matt Mackall <mpm@selenic.com>
parents: 6703
diff changeset
3562 if len(self):
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog
Matt Mackall <mpm@selenic.com>
parents: 6703
diff changeset
3563 expected = max(0, self.end(len(self) - 1))
1667
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
3564
1494
249ca10d37f4 Handle empty logs in repo.checksize
Matt Mackall <mpm@selenic.com>
parents: 1493
diff changeset
3565 try:
35972
82afb1a5ed94 revlog: use context manager for data file lifetime in checksize
Boris Feld <boris.feld@octobus.net>
parents: 35971
diff changeset
3566 with self._datafp() as f:
42567
4eaf7197a740 cleanup: use named constants for second arg to .seek()
Augie Fackler <augie@google.com>
parents: 42462
diff changeset
3567 f.seek(0, io.SEEK_END)
35972
82afb1a5ed94 revlog: use context manager for data file lifetime in checksize
Boris Feld <boris.feld@octobus.net>
parents: 35971
diff changeset
3568 actual = f.tell()
1667
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
3569 dd = actual - expected
49306
2e726c934fcd py3: catch FileNotFoundError instead of checking errno == ENOENT
Manuel Jacob <me@manueljacob.de>
parents: 49284
diff changeset
3570 except FileNotFoundError:
1667
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
3571 dd = 0
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
3572
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
3573 try:
47148
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47145
diff changeset
3574 f = self.opener(self._indexfile)
42567
4eaf7197a740 cleanup: use named constants for second arg to .seek()
Augie Fackler <augie@google.com>
parents: 42462
diff changeset
3575 f.seek(0, io.SEEK_END)
1667
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
3576 actual = f.tell()
13400
14f3795a5ed7 explicitly close files
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 13284
diff changeset
3577 f.close()
46974
3c9208702db3 revlog: replace revlog._io.size with a new revlog.index.entry_size
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46859
diff changeset
3578 s = self.index.entry_size
9029
0001e49f1c11 compat: use // for integer division
Alejandro Santos <alejolp@alejolp.com>
parents: 8658
diff changeset
3579 i = max(0, actual // s)
1667
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
3580 di = actual - (i * s)
4982
9672e3c42b0c revlog: change _inline from a function to a variable
Matt Mackall <mpm@selenic.com>
parents: 4981
diff changeset
3581 if self._inline:
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
3582 databytes = 0
6750
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog
Matt Mackall <mpm@selenic.com>
parents: 6703
diff changeset
3583 for r in self:
5312
fb070713ff36 revlog: more robust for damaged indexes
Matt Mackall <mpm@selenic.com>
parents: 5007
diff changeset
3584 databytes += max(0, self.length(r))
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
3585 dd = 0
6750
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog
Matt Mackall <mpm@selenic.com>
parents: 6703
diff changeset
3586 di = actual - len(self) * s - databytes
49306
2e726c934fcd py3: catch FileNotFoundError instead of checking errno == ENOENT
Manuel Jacob <me@manueljacob.de>
parents: 49284
diff changeset
3587 except FileNotFoundError:
1667
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
3588 di = 0
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
3589
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
3590 return (dd, di)
6891
22cb82433842 revlog: add files method
Adrian Buehlmann <adrian@cadifra.com>
parents: 6872
diff changeset
3591
22cb82433842 revlog: add files method
Adrian Buehlmann <adrian@cadifra.com>
parents: 6872
diff changeset
3592 def files(self):
51079
808f1e38cd1d revlog: small doc to the `files` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51078
diff changeset
3593 """return list of files that compose this revlog"""
47148
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47145
diff changeset
3594 res = [self._indexfile]
47450
9cecc222c536 revlogv2: fix `hg verify` with revlog v2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47426
diff changeset
3595 if self._docket_file is None:
9cecc222c536 revlogv2: fix `hg verify` with revlog v2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47426
diff changeset
3596 if not self._inline:
9cecc222c536 revlogv2: fix `hg verify` with revlog v2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47426
diff changeset
3597 res.append(self._datafile)
9cecc222c536 revlogv2: fix `hg verify` with revlog v2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47426
diff changeset
3598 else:
9cecc222c536 revlogv2: fix `hg verify` with revlog v2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47426
diff changeset
3599 res.append(self._docket_file)
47455
f93a867a6486 revlog: list older-but-still-around file in `files`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47452
diff changeset
3600 res.extend(self._docket.old_index_filepaths(include_empty=False))
47450
9cecc222c536 revlogv2: fix `hg verify` with revlog v2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47426
diff changeset
3601 if self._docket.data_end:
9cecc222c536 revlogv2: fix `hg verify` with revlog v2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47426
diff changeset
3602 res.append(self._datafile)
47455
f93a867a6486 revlog: list older-but-still-around file in `files`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47452
diff changeset
3603 res.extend(self._docket.old_data_filepaths(include_empty=False))
47450
9cecc222c536 revlogv2: fix `hg verify` with revlog v2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47426
diff changeset
3604 if self._docket.sidedata_end:
9cecc222c536 revlogv2: fix `hg verify` with revlog v2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47426
diff changeset
3605 res.append(self._sidedatafile)
47455
f93a867a6486 revlog: list older-but-still-around file in `files`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47452
diff changeset
3606 res.extend(self._docket.old_sidedata_filepaths(include_empty=False))
6891
22cb82433842 revlog: add files method
Adrian Buehlmann <adrian@cadifra.com>
parents: 6872
diff changeset
3607 return res
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3608
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3609 def emitrevisions(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3610 self,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3611 nodes,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3612 nodesorder=None,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3613 revisiondata=False,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3614 assumehaveparentrevisions=False,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3615 deltamode=repository.CG_DELTAMODE_STD,
46715
45f0d5297698 changegroupv4: add sidedata helpers
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46712
diff changeset
3616 sidedata_helpers=None,
49609
9cac281eb9c0 debug: add an option to display statistic about a bundling operation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49534
diff changeset
3617 debug_info=None,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3618 ):
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3619 if nodesorder not in (b'nodes', b'storage', b'linear', None):
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3620 raise error.ProgrammingError(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3621 b'unhandled value for nodesorder: %s' % nodesorder
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3622 )
39862
5a9ab91e0a45 revlog: new API to emit revision data
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39845
diff changeset
3623
51043
f636103c4d67 revlog: remove legacy usage of `_generaldelta`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51041
diff changeset
3624 if nodesorder is None and not self.delta_config.general_delta:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3625 nodesorder = b'storage'
39862
5a9ab91e0a45 revlog: new API to emit revision data
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39845
diff changeset
3626
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3627 if (
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3628 not self._storedeltachains
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3629 and deltamode != repository.CG_DELTAMODE_PREV
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3630 ):
40427
59a870a4ad6e changegroup: refactor emitrevision to use a `deltamode` argument
Boris Feld <boris.feld@octobus.net>
parents: 40325
diff changeset
3631 deltamode = repository.CG_DELTAMODE_FULL
59a870a4ad6e changegroup: refactor emitrevision to use a `deltamode` argument
Boris Feld <boris.feld@octobus.net>
parents: 40325
diff changeset
3632
40008
842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40004
diff changeset
3633 return storageutil.emitrevisions(
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3634 self,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3635 nodes,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3636 nodesorder,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3637 revlogrevisiondelta,
40008
842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40004
diff changeset
3638 deltaparentfn=self.deltaparent,
51001
39fa0b948f5a revlog: make the `candelta` method private
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51000
diff changeset
3639 candeltafn=self._candelta,
40008
842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40004
diff changeset
3640 rawsizefn=self.rawsize,
842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40004
diff changeset
3641 revdifffn=self.revdiff,
842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40004
diff changeset
3642 flagsfn=self.flags,
40427
59a870a4ad6e changegroup: refactor emitrevision to use a `deltamode` argument
Boris Feld <boris.feld@octobus.net>
parents: 40325
diff changeset
3643 deltamode=deltamode,
40008
842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40004
diff changeset
3644 revisiondata=revisiondata,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3645 assumehaveparentrevisions=assumehaveparentrevisions,
46715
45f0d5297698 changegroupv4: add sidedata helpers
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46712
diff changeset
3646 sidedata_helpers=sidedata_helpers,
49609
9cac281eb9c0 debug: add an option to display statistic about a bundling operation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49534
diff changeset
3647 debug_info=debug_info,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3648 )
39862
5a9ab91e0a45 revlog: new API to emit revision data
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39845
diff changeset
3649
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3650 DELTAREUSEALWAYS = b'always'
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3651 DELTAREUSESAMEREVS = b'samerevs'
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3652 DELTAREUSENEVER = b'never'
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3653
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3654 DELTAREUSEFULLADD = b'fulladd'
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3655
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3656 DELTAREUSEALL = {b'always', b'samerevs', b'never', b'fulladd'}
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3657
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3658 def clone(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3659 self,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3660 tr,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3661 destrevlog,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3662 addrevisioncb=None,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3663 deltareuse=DELTAREUSESAMEREVS,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3664 forcedeltabothparents=None,
47084
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47078
diff changeset
3665 sidedata_helpers=None,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3666 ):
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3667 """Copy this revlog to another, possibly with format changes.
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3668
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3669 The destination revlog will contain the same revisions and nodes.
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3670 However, it may not be bit-for-bit identical due to e.g. delta encoding
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3671 differences.
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3672
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3673 The ``deltareuse`` argument control how deltas from the existing revlog
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3674 are preserved in the destination revlog. The argument can have the
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3675 following values:
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3676
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3677 DELTAREUSEALWAYS
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3678 Deltas will always be reused (if possible), even if the destination
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3679 revlog would not select the same revisions for the delta. This is the
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3680 fastest mode of operation.
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3681 DELTAREUSESAMEREVS
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3682 Deltas will be reused if the destination revlog would pick the same
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3683 revisions for the delta. This mode strikes a balance between speed
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3684 and optimization.
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3685 DELTAREUSENEVER
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3686 Deltas will never be reused. This is the slowest mode of execution.
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3687 This mode can be used to recompute deltas (e.g. if the diff/delta
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3688 algorithm changes).
42997
6510c7830838 upgrade: document DELTAREUSEFULLADD in revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42996
diff changeset
3689 DELTAREUSEFULLADD
6510c7830838 upgrade: document DELTAREUSEFULLADD in revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42996
diff changeset
3690 Revision will be re-added as if their were new content. This is
6510c7830838 upgrade: document DELTAREUSEFULLADD in revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42996
diff changeset
3691 slower than DELTAREUSEALWAYS but allow more mechanism to kicks in.
6510c7830838 upgrade: document DELTAREUSEFULLADD in revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42996
diff changeset
3692 eg: large file detection and handling.
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3693
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3694 Delta computation can be slow, so the choice of delta reuse policy can
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3695 significantly affect run time.
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3696
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3697 The default policy (``DELTAREUSESAMEREVS``) strikes a balance between
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3698 two extremes. Deltas will be reused if they are appropriate. But if the
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3699 delta could choose a better revision, it will do so. This means if you
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3700 are converting a non-generaldelta revlog to a generaldelta revlog,
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3701 deltas will be recomputed if the delta's parent isn't a parent of the
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3702 revision.
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3703
40837
64051af15596 upgrade: clarify "aggressivemergedelta" handling
Boris Feld <boris.feld@octobus.net>
parents: 40738
diff changeset
3704 In addition to the delta policy, the ``forcedeltabothparents``
64051af15596 upgrade: clarify "aggressivemergedelta" handling
Boris Feld <boris.feld@octobus.net>
parents: 40738
diff changeset
3705 argument controls whether to force compute deltas against both parents
64051af15596 upgrade: clarify "aggressivemergedelta" handling
Boris Feld <boris.feld@octobus.net>
parents: 40738
diff changeset
3706 for merges. By default, the current default is used.
43133
3de4d13f22be revlog: add a way to control sidedata changes during revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43117
diff changeset
3707
47086
8bd769b5c941 sidedata: move documentation about sidedata helpers to sidedata module
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47085
diff changeset
3708 See `revlogutil.sidedata.get_sidedata_helpers` for the doc on
8bd769b5c941 sidedata: move documentation about sidedata helpers to sidedata module
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47085
diff changeset
3709 `sidedata_helpers`.
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3710 """
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3711 if deltareuse not in self.DELTAREUSEALL:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3712 raise ValueError(
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3713 _(b'value for deltareuse invalid: %s') % deltareuse
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3714 )
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3715
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3716 if len(destrevlog):
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3717 raise ValueError(_(b'destination revlog is not empty'))
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3718
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3719 if getattr(self, 'filteredrevs', None):
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3720 raise ValueError(_(b'source revlog has filtered revisions'))
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3721 if getattr(destrevlog, 'filteredrevs', None):
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3722 raise ValueError(_(b'destination revlog has filtered revisions'))
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3723
41857
afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41819
diff changeset
3724 # lazydelta and lazydeltabase controls whether to reuse a cached delta,
afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41819
diff changeset
3725 # if possible.
51027
177e7d6bf875 revlog: overwrite revlog config through copy of the config object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51026
diff changeset
3726 old_delta_config = destrevlog.delta_config
177e7d6bf875 revlog: overwrite revlog config through copy of the config object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51026
diff changeset
3727 destrevlog.delta_config = destrevlog.delta_config.copy()
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3728
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3729 try:
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3730 if deltareuse == self.DELTAREUSEALWAYS:
51026
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51023
diff changeset
3731 destrevlog.delta_config.lazy_delta_base = True
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51023
diff changeset
3732 destrevlog.delta_config.lazy_delta = True
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3733 elif deltareuse == self.DELTAREUSESAMEREVS:
51026
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51023
diff changeset
3734 destrevlog.delta_config.lazy_delta_base = False
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51023
diff changeset
3735 destrevlog.delta_config.lazy_delta = True
41857
afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41819
diff changeset
3736 elif deltareuse == self.DELTAREUSENEVER:
51026
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51023
diff changeset
3737 destrevlog.delta_config.lazy_delta_base = False
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51023
diff changeset
3738 destrevlog.delta_config.lazy_delta = False
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51023
diff changeset
3739
51027
177e7d6bf875 revlog: overwrite revlog config through copy of the config object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51026
diff changeset
3740 delta_both_parents = (
177e7d6bf875 revlog: overwrite revlog config through copy of the config object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51026
diff changeset
3741 forcedeltabothparents or old_delta_config.delta_both_parents
177e7d6bf875 revlog: overwrite revlog config through copy of the config object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51026
diff changeset
3742 )
51026
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51023
diff changeset
3743 destrevlog.delta_config.delta_both_parents = delta_both_parents
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3744
51111
315c74911993 revlog: avoid opening and closing the file for each cloned revision
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51110
diff changeset
3745 with self.reading(), destrevlog._writing(tr):
315c74911993 revlog: avoid opening and closing the file for each cloned revision
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51110
diff changeset
3746 self._clone(
315c74911993 revlog: avoid opening and closing the file for each cloned revision
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51110
diff changeset
3747 tr,
315c74911993 revlog: avoid opening and closing the file for each cloned revision
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51110
diff changeset
3748 destrevlog,
315c74911993 revlog: avoid opening and closing the file for each cloned revision
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51110
diff changeset
3749 addrevisioncb,
315c74911993 revlog: avoid opening and closing the file for each cloned revision
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51110
diff changeset
3750 deltareuse,
315c74911993 revlog: avoid opening and closing the file for each cloned revision
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51110
diff changeset
3751 forcedeltabothparents,
315c74911993 revlog: avoid opening and closing the file for each cloned revision
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51110
diff changeset
3752 sidedata_helpers,
315c74911993 revlog: avoid opening and closing the file for each cloned revision
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51110
diff changeset
3753 )
42996
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42995
diff changeset
3754
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3755 finally:
51027
177e7d6bf875 revlog: overwrite revlog config through copy of the config object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51026
diff changeset
3756 destrevlog.delta_config = old_delta_config
39778
a6b3c4c1019f revlog: move censor logic out of censor extension
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39775
diff changeset
3757
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3758 def _clone(
43133
3de4d13f22be revlog: add a way to control sidedata changes during revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43117
diff changeset
3759 self,
3de4d13f22be revlog: add a way to control sidedata changes during revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43117
diff changeset
3760 tr,
3de4d13f22be revlog: add a way to control sidedata changes during revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43117
diff changeset
3761 destrevlog,
3de4d13f22be revlog: add a way to control sidedata changes during revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43117
diff changeset
3762 addrevisioncb,
3de4d13f22be revlog: add a way to control sidedata changes during revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43117
diff changeset
3763 deltareuse,
3de4d13f22be revlog: add a way to control sidedata changes during revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43117
diff changeset
3764 forcedeltabothparents,
47084
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47078
diff changeset
3765 sidedata_helpers,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3766 ):
42996
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42995
diff changeset
3767 """perform the core duty of `revlog.clone` after parameter processing"""
49227
2bcf5e14bb7e deltas: add a `debug.revlog.debug-delta` config option enable output
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49012
diff changeset
3768 write_debug = None
51051
ab2bc31fa91f revlog: remove legacy usage of `_debug_delta`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51048
diff changeset
3769 if self.delta_config.debug_delta:
49227
2bcf5e14bb7e deltas: add a `debug.revlog.debug-delta` config option enable output
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49012
diff changeset
3770 write_debug = tr._report
2bcf5e14bb7e deltas: add a `debug.revlog.debug-delta` config option enable output
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49012
diff changeset
3771 deltacomputer = deltautil.deltacomputer(
2bcf5e14bb7e deltas: add a `debug.revlog.debug-delta` config option enable output
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49012
diff changeset
3772 destrevlog,
2bcf5e14bb7e deltas: add a `debug.revlog.debug-delta` config option enable output
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49012
diff changeset
3773 write_debug=write_debug,
2bcf5e14bb7e deltas: add a `debug.revlog.debug-delta` config option enable output
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49012
diff changeset
3774 )
42996
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42995
diff changeset
3775 index = self.index
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42995
diff changeset
3776 for rev in self:
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42995
diff changeset
3777 entry = index[rev]
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42995
diff changeset
3778
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42995
diff changeset
3779 # Some classes override linkrev to take filtered revs into
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42995
diff changeset
3780 # account. Use raw entry from index.
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3781 flags = entry[0] & 0xFFFF
42996
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42995
diff changeset
3782 linkrev = entry[4]
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42995
diff changeset
3783 p1 = index[entry[5]][7]
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42995
diff changeset
3784 p2 = index[entry[6]][7]
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42995
diff changeset
3785 node = entry[7]
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42995
diff changeset
3786
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42995
diff changeset
3787 # (Possibly) reuse the delta from the revlog if allowed and
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42995
diff changeset
3788 # the revlog chunk is a delta.
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42995
diff changeset
3789 cachedelta = None
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42995
diff changeset
3790 rawtext = None
47084
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47078
diff changeset
3791 if deltareuse == self.DELTAREUSEFULLADD:
47385
9d9eb22b9b69 revlog: no longer return sidedata from `_revisiondata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47384
diff changeset
3792 text = self._revisiondata(rev)
47384
fec306b05328 revlog: use `self.sidedata` directly in `revlog.clone`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47382
diff changeset
3793 sidedata = self.sidedata(rev)
47084
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47078
diff changeset
3794
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47078
diff changeset
3795 if sidedata_helpers is not None:
47085
3aab2330b7d3 sidedata: move sidedata-related utils to the dedicated module
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47084
diff changeset
3796 (sidedata, new_flags) = sidedatautil.run_sidedata_helpers(
47084
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47078
diff changeset
3797 self, sidedata_helpers, sidedata, rev
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47078
diff changeset
3798 )
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47078
diff changeset
3799 flags = flags | new_flags[0] & ~new_flags[1]
45735
edf4fa06df94 upgrade: allow sidedata upgrade to modify revision flag
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45671
diff changeset
3800
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3801 destrevlog.addrevision(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3802 text,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3803 tr,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3804 linkrev,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3805 p1,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3806 p2,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3807 cachedelta=cachedelta,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3808 node=node,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3809 flags=flags,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3810 deltacomputer=deltacomputer,
43133
3de4d13f22be revlog: add a way to control sidedata changes during revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43117
diff changeset
3811 sidedata=sidedata,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3812 )
42996
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42995
diff changeset
3813 else:
51063
b79c73a7afce revlog: remove legacy usage of `_lazydelta`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51062
diff changeset
3814 if destrevlog.delta_config.lazy_delta:
42998
8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
3815 dp = self.deltaparent(rev)
8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
3816 if dp != nullrev:
51089
9c8df10ea6e0 revlog: move the `_chunk` method on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51088
diff changeset
3817 cachedelta = (dp, bytes(self._inner._chunk(rev)))
42998
8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
3818
47084
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47078
diff changeset
3819 sidedata = None
42998
8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
3820 if not cachedelta:
51110
2dec23658969 censor: accept censored revision during upgrade
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51074
diff changeset
3821 try:
2dec23658969 censor: accept censored revision during upgrade
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51074
diff changeset
3822 rawtext = self._revisiondata(rev)
2dec23658969 censor: accept censored revision during upgrade
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51074
diff changeset
3823 except error.CensoredNodeError as censored:
2dec23658969 censor: accept censored revision during upgrade
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51074
diff changeset
3824 assert flags & REVIDX_ISCENSORED
2dec23658969 censor: accept censored revision during upgrade
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51074
diff changeset
3825 rawtext = censored.tombstone
47384
fec306b05328 revlog: use `self.sidedata` directly in `revlog.clone`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47382
diff changeset
3826 sidedata = self.sidedata(rev)
47084
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47078
diff changeset
3827 if sidedata is None:
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47078
diff changeset
3828 sidedata = self.sidedata(rev)
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47078
diff changeset
3829
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47078
diff changeset
3830 if sidedata_helpers is not None:
47085
3aab2330b7d3 sidedata: move sidedata-related utils to the dedicated module
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47084
diff changeset
3831 (sidedata, new_flags) = sidedatautil.run_sidedata_helpers(
47084
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47078
diff changeset
3832 self, sidedata_helpers, sidedata, rev
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47078
diff changeset
3833 )
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47078
diff changeset
3834 flags = flags | new_flags[0] & ~new_flags[1]
42998
8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
3835
51111
315c74911993 revlog: avoid opening and closing the file for each cloned revision
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51110
diff changeset
3836 destrevlog._addrevision(
315c74911993 revlog: avoid opening and closing the file for each cloned revision
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51110
diff changeset
3837 node,
315c74911993 revlog: avoid opening and closing the file for each cloned revision
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51110
diff changeset
3838 rawtext,
315c74911993 revlog: avoid opening and closing the file for each cloned revision
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51110
diff changeset
3839 tr,
315c74911993 revlog: avoid opening and closing the file for each cloned revision
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51110
diff changeset
3840 linkrev,
315c74911993 revlog: avoid opening and closing the file for each cloned revision
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51110
diff changeset
3841 p1,
315c74911993 revlog: avoid opening and closing the file for each cloned revision
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51110
diff changeset
3842 p2,
315c74911993 revlog: avoid opening and closing the file for each cloned revision
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51110
diff changeset
3843 flags,
315c74911993 revlog: avoid opening and closing the file for each cloned revision
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51110
diff changeset
3844 cachedelta,
315c74911993 revlog: avoid opening and closing the file for each cloned revision
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51110
diff changeset
3845 deltacomputer=deltacomputer,
315c74911993 revlog: avoid opening and closing the file for each cloned revision
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51110
diff changeset
3846 sidedata=sidedata,
315c74911993 revlog: avoid opening and closing the file for each cloned revision
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51110
diff changeset
3847 )
42996
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42995
diff changeset
3848
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42995
diff changeset
3849 if addrevisioncb:
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42995
diff changeset
3850 addrevisioncb(self, rev, node)
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42995
diff changeset
3851
51267
ceeb8fa23cc8 censor: accept multiple revision in a single call
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51259
diff changeset
3852 def censorrevision(self, tr, censor_nodes, tombstone=b''):
47139
f58a13c52726 revlog: split the `version` attribute into its two components
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47136
diff changeset
3853 if self._format_version == REVLOGV0:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3854 raise error.RevlogError(
47139
f58a13c52726 revlog: split the `version` attribute into its two components
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47136
diff changeset
3855 _(b'cannot censor with version %d revlogs')
f58a13c52726 revlog: split the `version` attribute into its two components
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47136
diff changeset
3856 % self._format_version
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3857 )
47391
33d626910374 revlog: move censoring code in a dedicated module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47389
diff changeset
3858 elif self._format_version == REVLOGV1:
51267
ceeb8fa23cc8 censor: accept multiple revision in a single call
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51259
diff changeset
3859 rewrite.v1_censor(self, tr, censor_nodes, tombstone)
47391
33d626910374 revlog: move censoring code in a dedicated module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47389
diff changeset
3860 else:
51267
ceeb8fa23cc8 censor: accept multiple revision in a single call
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51259
diff changeset
3861 rewrite.v2_censor(self, tr, censor_nodes, tombstone)
39778
a6b3c4c1019f revlog: move censor logic out of censor extension
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39775
diff changeset
3862
39842
97986c9c69d3 verify: start to abstract file verification
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39831
diff changeset
3863 def verifyintegrity(self, state):
97986c9c69d3 verify: start to abstract file verification
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39831
diff changeset
3864 """Verifies the integrity of the revlog.
97986c9c69d3 verify: start to abstract file verification
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39831
diff changeset
3865
97986c9c69d3 verify: start to abstract file verification
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39831
diff changeset
3866 Yields ``revlogproblem`` instances describing problems that are
97986c9c69d3 verify: start to abstract file verification
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39831
diff changeset
3867 found.
97986c9c69d3 verify: start to abstract file verification
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39831
diff changeset
3868 """
97986c9c69d3 verify: start to abstract file verification
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39831
diff changeset
3869 dd, di = self.checksize()
97986c9c69d3 verify: start to abstract file verification
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39831
diff changeset
3870 if dd:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3871 yield revlogproblem(error=_(b'data length off by %d bytes') % dd)
39842
97986c9c69d3 verify: start to abstract file verification
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39831
diff changeset
3872 if di:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3873 yield revlogproblem(error=_(b'index contains %d extra bytes') % di)
39842
97986c9c69d3 verify: start to abstract file verification
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39831
diff changeset
3874
47139
f58a13c52726 revlog: split the `version` attribute into its two components
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47136
diff changeset
3875 version = self._format_version
39845
e6d3d39cc1c7 revlog: use proper version comparison during verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39842
diff changeset
3876
e6d3d39cc1c7 revlog: use proper version comparison during verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39842
diff changeset
3877 # The verifier tells us what version revlog we should be.
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3878 if version != state[b'expectedversion']:
39845
e6d3d39cc1c7 revlog: use proper version comparison during verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39842
diff changeset
3879 yield revlogproblem(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3880 warning=_(b"warning: '%s' uses revlog format %d; expected %d")
47157
3a9f3470922c revlog: use revlog.display_id in format related errors
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47155
diff changeset
3881 % (self.display_id, version, state[b'expectedversion'])
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3882 )
39869
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39866
diff changeset
3883
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3884 state[b'skipread'] = set()
44073
b9e174d4ed11 verify: allow the storage to signal when renames can be tested on `skipread`
Matt Harbison <matt_harbison@yahoo.com>
parents: 44054
diff changeset
3885 state[b'safe_renamed'] = set()
39872
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3886
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3887 for rev in self:
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3888 node = self.node(rev)
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3889
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3890 # Verify contents. 4 cases to care about:
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3891 #
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3892 # common: the most common case
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3893 # rename: with a rename
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3894 # meta: file content starts with b'\1\n', the metadata
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3895 # header defined in filelog.py, but without a rename
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3896 # ext: content stored externally
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3897 #
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3898 # More formally, their differences are shown below:
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3899 #
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3900 # | common | rename | meta | ext
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3901 # -------------------------------------------------------
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3902 # flags() | 0 | 0 | 0 | not 0
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3903 # renamed() | False | True | False | ?
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3904 # rawtext[0:2]=='\1\n'| False | True | True | ?
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3905 #
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3906 # "rawtext" means the raw text stored in revlog data, which
42768
5a8f2c8edff6 rawdata: update caller in revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42732
diff changeset
3907 # could be retrieved by "rawdata(rev)". "text"
5a8f2c8edff6 rawdata: update caller in revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42732
diff changeset
3908 # mentioned below is "revision(rev)".
39872
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3909 #
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3910 # There are 3 different lengths stored physically:
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3911 # 1. L1: rawsize, stored in revlog index
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3912 # 2. L2: len(rawtext), stored in revlog data
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3913 # 3. L3: len(text), stored in revlog data if flags==0, or
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3914 # possibly somewhere else if flags!=0
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3915 #
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3916 # L1 should be equal to L2. L3 could be different from them.
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3917 # "text" may or may not affect commit hash depending on flag
42732
6d61be152c55 flagutil: move addflagprocessor to the new module (API)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42731
diff changeset
3918 # processors (see flagutil.addflagprocessor).
39872
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3919 #
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3920 # | common | rename | meta | ext
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3921 # -------------------------------------------------
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3922 # rawsize() | L1 | L1 | L1 | L1
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3923 # size() | L1 | L2-LM | L1(*) | L1 (?)
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3924 # len(rawtext) | L2 | L2 | L2 | L2
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3925 # len(text) | L2 | L2 | L2 | L3
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3926 # len(read()) | L2 | L2-LM | L2-LM | L3 (?)
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3927 #
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3928 # LM: length of metadata, depending on rawtext
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3929 # (*): not ideal, see comment in filelog.size
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3930 # (?): could be "- len(meta)" if the resolved content has
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3931 # rename metadata
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3932 #
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3933 # Checks needed to be done:
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3934 # 1. length check: L1 == L2, in all cases.
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3935 # 2. hash check: depending on flag processor, we may need to
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3936 # use either "text" (external), or "rawtext" (in revlog).
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3937
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3938 try:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3939 skipflags = state.get(b'skipflags', 0)
39872
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3940 if skipflags:
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3941 skipflags &= self.flags(rev)
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3942
43957
7c3118b9a9db revlog: split the content verification of a node into a separate method
Matt Harbison <matt_harbison@yahoo.com>
parents: 43779
diff changeset
3943 _verify_revision(self, skipflags, state, node)
39872
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3944
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3945 l1 = self.rawsize(rev)
42768
5a8f2c8edff6 rawdata: update caller in revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42732
diff changeset
3946 l2 = len(self.rawdata(node))
39872
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3947
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3948 if l1 != l2:
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3949 yield revlogproblem(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3950 error=_(b'unpacked size is %d, %d expected') % (l2, l1),
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3951 node=node,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3952 )
39872
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3953
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3954 except error.CensoredNodeError:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3955 if state[b'erroroncensored']:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3956 yield revlogproblem(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3957 error=_(b'censored file data'), node=node
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3958 )
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3959 state[b'skipread'].add(node)
39872
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3960 except Exception as e:
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3961 yield revlogproblem(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3962 error=_(b'unpacking %s: %s')
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3963 % (short(node), stringutil.forcebytestr(e)),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3964 node=node,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3965 )
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3966 state[b'skipread'].add(node)
39872
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3967
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3968 def storageinfo(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3969 self,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3970 exclusivefiles=False,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3971 sharedfiles=False,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3972 revisionscount=False,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3973 trackedsize=False,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3974 storedsize=False,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3975 ):
39869
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39866
diff changeset
3976 d = {}
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39866
diff changeset
3977
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39866
diff changeset
3978 if exclusivefiles:
47148
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47145
diff changeset
3979 d[b'exclusivefiles'] = [(self.opener, self._indexfile)]
39869
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39866
diff changeset
3980 if not self._inline:
47149
396442cd7e6a revlog: rename `datafile` to `datafile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47148
diff changeset
3981 d[b'exclusivefiles'].append((self.opener, self._datafile))
39869
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39866
diff changeset
3982
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39866
diff changeset
3983 if sharedfiles:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3984 d[b'sharedfiles'] = []
39869
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39866
diff changeset
3985
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39866
diff changeset
3986 if revisionscount:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3987 d[b'revisionscount'] = len(self)
39869
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39866
diff changeset
3988
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39866
diff changeset
3989 if trackedsize:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3990 d[b'trackedsize'] = sum(map(self.rawsize, iter(self)))
39869
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39866
diff changeset
3991
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39866
diff changeset
3992 if storedsize:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3993 d[b'storedsize'] = sum(
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3994 self.opener.stat(path).st_size for path in self.files()
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3995 )
39869
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39866
diff changeset
3996
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39866
diff changeset
3997 return d
46718
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
3998
47216
2bd4b5218918 revlog: pass a transaction object to `rewrite_sidedata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47215
diff changeset
3999 def rewrite_sidedata(self, transaction, helpers, startrev, endrev):
51058
7c2dc75cdc0f revlog: remove legacy usage of `hassidedata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51057
diff changeset
4000 if not self.feature_config.has_side_data:
46718
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
4001 return
47234
616b8f412676 revlogv2: introduce a very basic docket file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47231
diff changeset
4002 # revlog formats with sidedata support does not support inline
46718
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
4003 assert not self._inline
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
4004 if not helpers[1] and not helpers[2]:
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
4005 # Nothing to generate or remove
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
4006 return
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
4007
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
4008 new_entries = []
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
4009 # append the new sidedata
47218
b3acefded601 revlog: use `_writing` in `rewrite_sidedata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47217
diff changeset
4010 with self._writing(transaction):
51083
c3748f38dcd0 revlog: create a iteration of a _InnerRevlog object within the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51082
diff changeset
4011 ifh, dfh, sdfh = self._inner._writinghandles
47389
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47387
diff changeset
4012 dfh.seek(self._docket.sidedata_end, os.SEEK_SET)
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47387
diff changeset
4013
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47387
diff changeset
4014 current_offset = sdfh.tell()
46718
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
4015 for rev in range(startrev, endrev + 1):
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
4016 entry = self.index[rev]
47085
3aab2330b7d3 sidedata: move sidedata-related utils to the dedicated module
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47084
diff changeset
4017 new_sidedata, flags = sidedatautil.run_sidedata_helpers(
46718
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
4018 store=self,
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
4019 sidedata_helpers=helpers,
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
4020 sidedata={},
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
4021 rev=rev,
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
4022 )
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
4023
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
4024 serialized_sidedata = sidedatautil.serialize_sidedata(
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
4025 new_sidedata
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
4026 )
47259
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47258
diff changeset
4027
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47258
diff changeset
4028 sidedata_compression_mode = COMP_MODE_INLINE
51058
7c2dc75cdc0f revlog: remove legacy usage of `hassidedata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51057
diff changeset
4029 if serialized_sidedata and self.feature_config.has_side_data:
47259
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47258
diff changeset
4030 sidedata_compression_mode = COMP_MODE_PLAIN
51088
a82704902db8 revlog: move the compression/decompression logic on the inner object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51087
diff changeset
4031 h, comp_sidedata = self._inner.compress(serialized_sidedata)
47259
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47258
diff changeset
4032 if (
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47258
diff changeset
4033 h != b'u'
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47258
diff changeset
4034 and comp_sidedata[0] != b'\0'
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47258
diff changeset
4035 and len(comp_sidedata) < len(serialized_sidedata)
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47258
diff changeset
4036 ):
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47258
diff changeset
4037 assert not h
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47258
diff changeset
4038 if (
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47258
diff changeset
4039 comp_sidedata[0]
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47258
diff changeset
4040 == self._docket.default_compression_header
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47258
diff changeset
4041 ):
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47258
diff changeset
4042 sidedata_compression_mode = COMP_MODE_DEFAULT
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47258
diff changeset
4043 serialized_sidedata = comp_sidedata
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47258
diff changeset
4044 else:
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47258
diff changeset
4045 sidedata_compression_mode = COMP_MODE_INLINE
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47258
diff changeset
4046 serialized_sidedata = comp_sidedata
46718
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
4047 if entry[8] != 0 or entry[9] != 0:
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
4048 # rewriting entries that already have sidedata is not
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
4049 # supported yet, because it introduces garbage data in the
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
4050 # revlog.
47228
e51392acd70c revlog: fix capitalisation of an error
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47222
diff changeset
4051 msg = b"rewriting existing sidedata is not supported yet"
46718
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
4052 raise error.Abort(msg)
47078
223b47235d1c sidedata: enable sidedata computers to optionally rewrite flags
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47077
diff changeset
4053
223b47235d1c sidedata: enable sidedata computers to optionally rewrite flags
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47077
diff changeset
4054 # Apply (potential) flags to add and to remove after running
223b47235d1c sidedata: enable sidedata computers to optionally rewrite flags
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47077
diff changeset
4055 # the sidedata helpers
223b47235d1c sidedata: enable sidedata computers to optionally rewrite flags
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47077
diff changeset
4056 new_offset_flags = entry[0] | flags[0] & ~flags[1]
47245
de63be070e02 revlog: simplify entry update logic in `rewrite_sidedata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47242
diff changeset
4057 entry_update = (
de63be070e02 revlog: simplify entry update logic in `rewrite_sidedata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47242
diff changeset
4058 current_offset,
de63be070e02 revlog: simplify entry update logic in `rewrite_sidedata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47242
diff changeset
4059 len(serialized_sidedata),
de63be070e02 revlog: simplify entry update logic in `rewrite_sidedata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47242
diff changeset
4060 new_offset_flags,
47259
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47258
diff changeset
4061 sidedata_compression_mode,
47245
de63be070e02 revlog: simplify entry update logic in `rewrite_sidedata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47242
diff changeset
4062 )
46718
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
4063
47217
8f6165c90163 revlog: open files in 'r+' instead of 'a+'
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47216
diff changeset
4064 # the sidedata computation might have move the file cursors around
47389
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47387
diff changeset
4065 sdfh.seek(current_offset, os.SEEK_SET)
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47387
diff changeset
4066 sdfh.write(serialized_sidedata)
47245
de63be070e02 revlog: simplify entry update logic in `rewrite_sidedata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47242
diff changeset
4067 new_entries.append(entry_update)
46718
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
4068 current_offset += len(serialized_sidedata)
47389
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47387
diff changeset
4069 self._docket.sidedata_end = sdfh.tell()
46718
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
4070
47218
b3acefded601 revlog: use `_writing` in `rewrite_sidedata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47217
diff changeset
4071 # rewrite the new index entries
b3acefded601 revlog: use `_writing` in `rewrite_sidedata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47217
diff changeset
4072 ifh.seek(startrev * self.index.entry_size)
47078
223b47235d1c sidedata: enable sidedata computers to optionally rewrite flags
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47077
diff changeset
4073 for i, e in enumerate(new_entries):
46718
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
4074 rev = startrev + i
47245
de63be070e02 revlog: simplify entry update logic in `rewrite_sidedata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47242
diff changeset
4075 self.index.replace_sidedata_info(rev, *e)
47037
d57386e5c80e revlog: have an explicit "pack_header" method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47036
diff changeset
4076 packed = self.index.entry_binary(rev)
47235
6b1eae313b2f revlogv2: store version information in the docket only
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47234
diff changeset
4077 if rev == 0 and self._docket is None:
47139
f58a13c52726 revlog: split the `version` attribute into its two components
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47136
diff changeset
4078 header = self._format_flags | self._format_version
f58a13c52726 revlog: split the `version` attribute into its two components
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47136
diff changeset
4079 header = self.index.pack_header(header)
47037
d57386e5c80e revlog: have an explicit "pack_header" method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47036
diff changeset
4080 packed = header + packed
47215
042388bba644 revlog: rename variable in `rewrite_sidedata` to match other code
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47214
diff changeset
4081 ifh.write(packed)