annotate mercurial/revlog.py @ 51034:498afb627f78

revlog: move configuration attribute into dedicated object First this make things clearer as the number of configuration attributes has grown out of control, so gathering them make things clearer. Second, this will make future sharing them at different level simpler. Third it will allow us to make initialisation and temporary override simpler soon.
author Pierre-Yves David <pierre-yves.david@octobus.net>
date Tue, 10 Oct 2023 10:02:05 +0200
parents 8520db304f01
children 177e7d6bf875
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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 io
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20 import os
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21 import struct
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22 import weakref
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23 import zlib
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24
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25 # import stuff from node for others to import from revlog
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26 from .node import (
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27 bin,
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28 hex,
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29 nullrev,
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30 sha1nodeconstants,
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31 short,
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32 wdirrev,
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33 )
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34 from .i18n import _
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35 from .revlogutils.constants import (
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36 ALL_KINDS,
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37 CHANGELOGV2,
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38 COMP_MODE_DEFAULT,
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39 COMP_MODE_INLINE,
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40 COMP_MODE_PLAIN,
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41 DELTA_BASE_REUSE_NO,
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42 DELTA_BASE_REUSE_TRY,
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43 ENTRY_RANK,
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44 FEATURES_BY_VERSION,
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45 FLAG_GENERALDELTA,
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46 FLAG_INLINE_DATA,
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47 INDEX_HEADER,
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48 KIND_CHANGELOG,
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49 KIND_FILELOG,
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50 RANK_UNKNOWN,
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51 REVLOGV0,
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52 REVLOGV1,
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53 REVLOGV1_FLAGS,
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54 REVLOGV2,
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55 REVLOGV2_FLAGS,
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56 REVLOG_DEFAULT_FLAGS,
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57 REVLOG_DEFAULT_FORMAT,
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58 REVLOG_DEFAULT_VERSION,
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59 SUPPORTED_FLAGS,
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60 )
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61 from .revlogutils.flagutil import (
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62 REVIDX_DEFAULT_FLAGS,
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63 REVIDX_ELLIPSIS,
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64 REVIDX_EXTSTORED,
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65 REVIDX_FLAGS_ORDER,
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66 REVIDX_HASCOPIESINFO,
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67 REVIDX_ISCENSORED,
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68 REVIDX_RAWTEXT_CHANGING_FLAGS,
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69 )
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70 from .thirdparty import attr
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71 from . import (
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72 ancestor,
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73 dagop,
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74 error,
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75 mdiff,
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76 policy,
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77 pycompat,
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78 revlogutils,
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79 templatefilters,
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80 util,
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81 )
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82 from .interfaces import (
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83 repository,
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84 util as interfaceutil,
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85 )
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86 from .revlogutils import (
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87 deltas as deltautil,
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88 docket as docketutil,
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89 flagutil,
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90 nodemap as nodemaputil,
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91 randomaccessfile,
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92 revlogv0,
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93 rewrite,
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94 sidedata as sidedatautil,
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95 )
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96 from .utils import (
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97 storageutil,
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98 stringutil,
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99 )
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100
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101 # blanked usage of all the name to prevent pyflakes constraints
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102 # We need these name available in the module for extensions.
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103
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104 REVLOGV0
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105 REVLOGV1
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106 REVLOGV2
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107 CHANGELOGV2
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108 FLAG_INLINE_DATA
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109 FLAG_GENERALDELTA
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110 REVLOG_DEFAULT_FLAGS
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111 REVLOG_DEFAULT_FORMAT
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112 REVLOG_DEFAULT_VERSION
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113 REVLOGV1_FLAGS
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114 REVLOGV2_FLAGS
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115 REVIDX_ISCENSORED
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116 REVIDX_ELLIPSIS
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117 REVIDX_HASCOPIESINFO
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118 REVIDX_EXTSTORED
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119 REVIDX_DEFAULT_FLAGS
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120 REVIDX_FLAGS_ORDER
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121 REVIDX_RAWTEXT_CHANGING_FLAGS
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122
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123 parsers = policy.importmod('parsers')
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124 rustancestor = policy.importrust('ancestor')
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125 rustdagop = policy.importrust('dagop')
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126 rustrevlog = policy.importrust('revlog')
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127
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128 # Aliased for performance.
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diff changeset
129 _zlibdecompress = zlib.decompress
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parents: 5006
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130
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Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 49877
diff changeset
131 # max size of inline data embedded into a revlog
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132 _maxinline = 131072
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parents: 10404
diff changeset
133
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134 # Flag processors for REVIDX_ELLIPSIS.
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135 def ellipsisreadprocessor(rl, text):
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136 return text, False
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parents: 46717
diff changeset
137
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Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
138
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Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
139 def ellipsiswriteprocessor(rl, text):
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diff changeset
140 return text, False
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141
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142
39783
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diff changeset
143 def ellipsisrawprocessor(rl, text):
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144 return False
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145
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146
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diff changeset
147 ellipsisprocessor = (
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diff changeset
148 ellipsisreadprocessor,
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diff changeset
149 ellipsiswriteprocessor,
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parents: 39360
diff changeset
150 ellipsisrawprocessor,
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parents: 39360
diff changeset
151 )
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152
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153
43962
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Matt Harbison <matt_harbison@yahoo.com>
parents: 43799
diff changeset
154 def _verify_revision(rl, skipflags, state, node):
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parents: 43799
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155 """Verify the integrity of the given revlog ``node`` while providing a hook
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parents: 43799
diff changeset
156 point for extensions to influence the operation."""
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Matt Harbison <matt_harbison@yahoo.com>
parents: 43799
diff changeset
157 if skipflags:
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parents: 43799
diff changeset
158 state[b'skipread'].add(node)
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parents: 43799
diff changeset
159 else:
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parents: 43799
diff changeset
160 # Side-effect: read content and verify hash.
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parents: 43799
diff changeset
161 rl.revision(node)
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parents: 43799
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162
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Matt Harbison <matt_harbison@yahoo.com>
parents: 43799
diff changeset
163
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45957
diff changeset
164 # True if a fast implementation for persistent-nodemap is available
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parents: 45957
diff changeset
165 #
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parents: 45957
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166 # We also consider we have a "fast" implementation in "pure" python because
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parents: 45957
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167 # people using pure don't really have performance consideration (and a
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parents: 45957
diff changeset
168 # wheelbarrow of other slowness source)
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50761
diff changeset
169 HAS_FAST_PERSISTENT_NODEMAP = rustrevlog is not None or hasattr(
46310
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parents: 45957
diff changeset
170 parsers, 'BaseIndexObject'
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parents: 45957
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171 )
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parents: 45957
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172
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parents: 45957
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173
39259
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parents: 39225
diff changeset
174 @interfaceutil.implementer(repository.irevisiondelta)
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parents: 39850
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175 @attr.s(slots=True)
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parents: 49019
diff changeset
176 class revlogrevisiondelta:
39259
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parents: 39225
diff changeset
177 node = attr.ib()
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parents: 39225
diff changeset
178 p1node = attr.ib()
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parents: 39225
diff changeset
179 p2node = attr.ib()
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parents: 39225
diff changeset
180 basenode = attr.ib()
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parents: 39225
diff changeset
181 flags = attr.ib()
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parents: 39225
diff changeset
182 baserevisionsize = attr.ib()
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parents: 39225
diff changeset
183 revision = attr.ib()
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parents: 39225
diff changeset
184 delta = attr.ib()
46725
e8c11a2c96c0 delta: add sidedata field to revision delta
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46724
diff changeset
185 sidedata = attr.ib()
47094
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Rapha?l Gom?s <rgomes@octobus.net>
parents: 47092
diff changeset
186 protocol_flags = attr.ib()
39867
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parents: 39850
diff changeset
187 linknode = attr.ib(default=None)
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diff changeset
188
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189
39847
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parents: 39836
diff changeset
190 @interfaceutil.implementer(repository.iverifyproblem)
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diff changeset
191 @attr.s(frozen=True)
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parents: 49019
diff changeset
192 class revlogproblem:
39847
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diff changeset
193 warning = attr.ib(default=None)
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parents: 39836
diff changeset
194 error = attr.ib(default=None)
39877
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
195 node = attr.ib(default=None)
39847
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196
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197
47077
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parents: 47075
diff changeset
198 def parse_index_v1(data, inline):
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parents: 47075
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199 # call the C implementation to parse the index data
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parents: 47075
diff changeset
200 index, cache = parsers.parse_index2(data, inline)
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parents: 47075
diff changeset
201 return index, cache
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parents: 47075
diff changeset
202
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47075
diff changeset
203
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parents: 47075
diff changeset
204 def parse_index_v2(data, inline):
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parents: 47075
diff changeset
205 # call the C implementation to parse the index data
48772
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pacien <pacien.trangirard@pacien.net>
parents: 48768
diff changeset
206 index, cache = parsers.parse_index2(data, inline, format=REVLOGV2)
47077
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diff changeset
207 return index, cache
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parents: 47075
diff changeset
208
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parents: 47075
diff changeset
209
47281
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parents: 47280
diff changeset
210 def parse_index_cl_v2(data, inline):
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parents: 47280
diff changeset
211 # call the C implementation to parse the index data
48772
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pacien <pacien.trangirard@pacien.net>
parents: 48768
diff changeset
212 index, cache = parsers.parse_index2(data, inline, format=CHANGELOGV2)
47281
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parents: 47280
diff changeset
213 return index, cache
25ce16bf724b changelogv2: use a dedicated on disk format for changelogv2
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parents: 47280
diff changeset
214
25ce16bf724b changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47280
diff changeset
215
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50761
diff changeset
216 if hasattr(parsers, 'parse_index_devel_nodemap'):
47077
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parents: 47075
diff changeset
217
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parents: 47075
diff changeset
218 def parse_index_v1_nodemap(data, inline):
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parents: 47075
diff changeset
219 index, cache = parsers.parse_index_devel_nodemap(data, inline)
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parents: 47075
diff changeset
220 return index, cache
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47075
diff changeset
221
5e64c93d5f94 revlog: remove the revlogio class
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47075
diff changeset
222
5e64c93d5f94 revlog: remove the revlogio class
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47075
diff changeset
223 else:
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parents: 47075
diff changeset
224 parse_index_v1_nodemap = None
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parents: 47075
diff changeset
225
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47075
diff changeset
226
5e64c93d5f94 revlog: remove the revlogio class
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47075
diff changeset
227 def parse_index_v1_mixed(data, inline):
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parents: 47075
diff changeset
228 index, cache = parse_index_v1(data, inline)
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47075
diff changeset
229 return rustrevlog.MixedIndex(index), cache
4972
8d0cf46e0dc6 revlog: add revlogio interface
Matt Mackall <mpm@selenic.com>
parents: 4971
diff changeset
230
43076
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parents: 43039
diff changeset
231
25410
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Jordi Guti?rrez Hermoso <jordigh@octave.org>
parents: 25361
diff changeset
232 # 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
233 # signed integer)
43076
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diff changeset
234 _maxentrysize = 0x7FFFFFFF
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parents: 43039
diff changeset
235
47395
e6292eb33384 revlog: store sidedata in their own file
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parents: 47393
diff changeset
236 FILE_TOO_SHORT_MSG = _(
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
237 b'cannot read from revlog %s;'
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
238 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: 47393
diff changeset
239 )
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
240
49448
5fe7e9eda0f3 revlog: make _partialmatch fail fast on almost-hex inputs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 49314
diff changeset
241 hexdigits = b'0123456789abcdefABCDEF'
5fe7e9eda0f3 revlog: make _partialmatch fail fast on almost-hex inputs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 49314
diff changeset
242
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
243
51034
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
244 @attr.s()
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
245 class FeatureConfig:
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
246 """Hold configuration values about the available revlog features"""
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
247
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
248 # the default compression engine
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
249 compression_engine = attr.ib(default=b'zlib')
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
250 # compression engines options
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
251 compression_engine_options = attr.ib(default=attr.Factory(dict))
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
252
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
253 # can we use censor on this revlog
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
254 censorable = attr.ib(default=False)
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
255 # does this revlog use the "side data" feature
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
256 has_side_data = attr.ib(default=False)
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257 # might remove rank configuration once the computation has no impact
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258 compute_rank = attr.ib(default=False)
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259 # parent order is supposed to be semantically irrelevant, so we
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260 # normally resort parents to ensure that the first parent is non-null,
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261 # if there is a non-null parent at all.
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262 # filelog abuses the parent order as flag to mark some instances of
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263 # meta-encoded files, so allow it to disable this behavior.
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264 canonical_parent_order = attr.ib(default=False)
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265 # can ellipsis commit be used
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266 enable_ellipsis = attr.ib(default=False)
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267
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268
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269 @attr.s()
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270 class DataConfig:
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271 """Hold configuration value about how the revlog data are read"""
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272
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273 # should we try to open the "pending" version of the revlog
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274 try_pending = attr.ib(default=False)
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275 # should we try to open the "splitted" version of the revlog
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276 try_split = attr.ib(default=False)
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277 # When True, indexfile should be opened with checkambig=True at writing,
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278 # to avoid file stat ambiguity.
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279 check_ambig = attr.ib(default=False)
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280
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281 # If true, use mmap instead of reading to deal with large index
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282 mmap_large_index = attr.ib(default=False)
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283 # how much data is large
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284 mmap_index_threshold = attr.ib(default=None)
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285 # How much data to read and cache into the raw revlog data cache.
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286 chunk_cache_size = attr.ib(default=65536)
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287
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288 # Allow sparse reading of the revlog data
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289 with_sparse_read = attr.ib(default=False)
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290 # minimal density of a sparse read chunk
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291 sr_density_threshold = attr.ib(default=0.50)
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292 # minimal size of data we skip when performing sparse read
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293 sr_min_gap_size = attr.ib(default=262144)
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294
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295 # are delta encoded against arbitrary bases.
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296 generaldelta = attr.ib(default=False)
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297
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298
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299 @attr.s()
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300 class DeltaConfig:
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301 """Hold configuration value about how new delta are computed
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302
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303 Some attributes are duplicated from DataConfig to help havign each object
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304 self contained.
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305 """
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306
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307 # can delta be encoded against arbitrary bases.
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308 general_delta = attr.ib(default=False)
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309 # Allow sparse writing of the revlog data
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310 sparse_revlog = attr.ib(default=False)
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311 # maximum length of a delta chain
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312 max_chain_len = attr.ib(default=None)
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313 # Maximum distance between delta chain base start and end
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314 max_deltachain_span = attr.ib(default=-1)
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315 # If `upper_bound_comp` is not None, this is the expected maximal gain from
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316 # compression for the data content.
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317 upper_bound_comp = attr.ib(default=None)
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318 # Should we try a delta against both parent
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319 delta_both_parents = attr.ib(default=True)
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320 # Test delta base candidate group by chunk of this maximal size.
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321 candidate_group_chunk_size = attr.ib(default=0)
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322 # Should we display debug information about delta computation
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323 debug_delta = attr.ib(default=False)
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324 # trust incoming delta by default
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325 lazy_delta = attr.ib(default=True)
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326 # trust the base of incoming delta by default
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327 lazy_delta_base = attr.ib(default=False)
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328
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329
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330 class revlog:
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331 """
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332 the underlying revision storage object
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333
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334 A revlog consists of two parts, an index and the revision data.
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335
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336 The index is a file with a fixed record size containing
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337 information on each revision, including its nodeid (hash), the
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338 nodeids of its parents, the position and offset of its data within
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339 the data file, and the revision it's based on. Finally, each entry
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340 contains a linkrev entry that can serve as a pointer to external
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341 data.
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342
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343 The revision data itself is a linear collection of data chunks.
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344 Each chunk represents a revision and is usually represented as a
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345 delta against the previous chunk. To bound lookup time, runs of
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346 deltas are limited to about 2 times the length of the original
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347 version data. This makes retrieval of a version proportional to
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348 its size, or O(1) relative to the number of revisions.
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349
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350 Both pieces of the revlog are written to in an append-only
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351 fashion, which means we never need to rewrite a file to insert or
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352 remove data, and can use some simple techniques to avoid the need
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353 for locking while reading.
30001
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29841
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354
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355 If checkambig, indexfile is opened with checkambig=True at
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356 writing, to avoid file stat ambiguity.
34303
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357
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358 If mmaplargeindex is True, and an mmapindexthreshold is set, the
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359 index will be mmapped rather than read if it is larger than the
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360 configured threshold.
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parents: 37442
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361
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362 If censorable is True, the revlog can have censored revisions.
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parents: 42468
diff changeset
363
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diff changeset
364 If `upperboundcomp` is not None, this is the expected maximal gain from
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365 compression for the data content.
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parents: 46561
diff changeset
366
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367 `concurrencychecker` is an optional function that receives 3 arguments: a
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368 file handle, a filename, and an expected position. It should check whether
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diff changeset
369 the current position in the file handle is valid, and log/warn/fail (by
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diff changeset
370 raising).
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371
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372 See mercurial/revlogutils/contants.py for details about the content of an
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373 index entry.
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374 """
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375
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376 _flagserrorclass = error.RevlogError
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377
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378 @staticmethod
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379 def is_inline_index(header_bytes):
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380 """Determine if a revlog is inline from the initial bytes of the index"""
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381 header = INDEX_HEADER.unpack(header_bytes)[0]
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382
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383 _format_flags = header & ~0xFFFF
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diff changeset
384 _format_version = header & 0xFFFF
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385
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diff changeset
386 features = FEATURES_BY_VERSION[_format_version]
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diff changeset
387 return features[b'inline'](_format_flags)
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diff changeset
388
43076
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Augie Fackler <augie@google.com>
parents: 43039
diff changeset
389 def __init__(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
390 self,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
391 opener,
47089
4c041c71ec01 revlog: introduce an explicit tracking of what the revlog is about
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47082
diff changeset
392 target,
47164
8d3c2f9d4af7 revlog: use a "radix" to address revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47163
diff changeset
393 radix,
47251
4f38ada3fc26 revlog: move the `trypending` logic from the `changelog` to the `revlog`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47250
diff changeset
394 postfix=None, # only exist for `tmpcensored` now
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
395 checkambig=False,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
396 mmaplargeindex=False,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
397 censorable=False,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
398 upperboundcomp=None,
44351
5962fd0d1045 nodemap: write nodemap data on disk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44073
diff changeset
399 persistentnodemap=False,
46646
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46561
diff changeset
400 concurrencychecker=None,
47251
4f38ada3fc26 revlog: move the `trypending` logic from the `changelog` to the `revlog`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47250
diff changeset
401 trypending=False,
50316
87f0155d68aa revlog: improve the robustness of the splitting process
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49923
diff changeset
402 try_split=False,
49077
5b65721a75eb revlog: recommit 49fd21f32695 with a fix for issue6528
Joerg Sonnenberger <joerg@bec.de>
parents: 49037
diff changeset
403 canonical_parent_order=True,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
404 ):
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
405 """
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
406 create a revlog object
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
407
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
408 opener is a function that abstracts the file opening operation
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
409 and can be used to implement COW semantics or the like.
42478
bc4373babd04 revlog: add the option to track the expected compression upper bound
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42468
diff changeset
410
47089
4c041c71ec01 revlog: introduce an explicit tracking of what the revlog is about
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47082
diff changeset
411 `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: 47082
diff changeset
412 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: 47082
diff changeset
413 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: 47082
diff changeset
414 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: 47082
diff changeset
415 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: 47082
diff changeset
416 accurate value.
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
417 """
42478
bc4373babd04 revlog: add the option to track the expected compression upper bound
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42468
diff changeset
418 self.upperboundcomp = upperboundcomp
47164
8d3c2f9d4af7 revlog: use a "radix" to address revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47163
diff changeset
419
8d3c2f9d4af7 revlog: use a "radix" to address revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47163
diff changeset
420 self.radix = radix
8d3c2f9d4af7 revlog: use a "radix" to address revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47163
diff changeset
421
47245
616b8f412676 revlogv2: introduce a very basic docket file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47242
diff changeset
422 self._docket_file = None
47182
cacb08f357ed revlog: define the actual index and datafile at loading time
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47181
diff changeset
423 self._indexfile = None
cacb08f357ed revlog: define the actual index and datafile at loading time
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47181
diff changeset
424 self._datafile = None
47395
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
425 self._sidedatafile = None
47178
04f2f94836a5 revlog: rename `nodemap_file` to `_nodemap_file`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47177
diff changeset
426 self._nodemap_file = None
47159
c6b8d5d91e73 revlog: deal with special "postfix" explicitely
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47158
diff changeset
427 self.postfix = postfix
47251
4f38ada3fc26 revlog: move the `trypending` logic from the `changelog` to the `revlog`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47250
diff changeset
428 self._trypending = trypending
50316
87f0155d68aa revlog: improve the robustness of the splitting process
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49923
diff changeset
429 self._try_split = try_split
47165
24be247a13b4 revlog: stop usage of `_indexfile` to computing nodemap path
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47164
diff changeset
430 self.opener = opener
44351
5962fd0d1045 nodemap: write nodemap data on disk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44073
diff changeset
431 if persistentnodemap:
47178
04f2f94836a5 revlog: rename `nodemap_file` to `_nodemap_file`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47177
diff changeset
432 self._nodemap_file = nodemaputil.get_nodemap_file(self)
47165
24be247a13b4 revlog: stop usage of `_indexfile` to computing nodemap path
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47164
diff changeset
433
47089
4c041c71ec01 revlog: introduce an explicit tracking of what the revlog is about
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47082
diff changeset
434 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: 47082
diff changeset
435 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: 47082
diff changeset
436 self.target = target
51034
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
437 self.feature_config = FeatureConfig(
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
438 censorable=censorable,
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
439 canonical_parent_order=canonical_parent_order,
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
440 )
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
441 self.data_config = DataConfig(
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
442 check_ambig=checkambig,
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
443 mmap_large_index=mmaplargeindex,
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
444 )
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
445 self.delta_config = DeltaConfig()
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
446
27070
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
447 # 3-tuple of (node, rev, text) for a raw revision.
40053
55db747a21ad revlog: rename _cache to _revisioncache
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40011
diff changeset
448 self._revisioncache = None
29841
92ac2baaea86 revlog: use an LRU cache for delta chain bases
Gregory Szorc <gregory.szorc@gmail.com>
parents: 29840
diff changeset
449 # Maps rev to chain base rev.
92ac2baaea86 revlog: use an LRU cache for delta chain bases
Gregory Szorc <gregory.szorc@gmail.com>
parents: 29840
diff changeset
450 self._chainbasecache = util.lrucachedict(100)
27070
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
451 # 2-tuple of (offset, data) of raw data from the revlog at an offset.
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
452 self._chunkcache = (0, b'')
51034
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
453
43573
845e5b313783 revlog: move the nodemap into the index object (for pure)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43572
diff changeset
454 self.index = None
47245
616b8f412676 revlogv2: introduce a very basic docket file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47242
diff changeset
455 self._docket = None
44366
76a96e3a2bbb nodemap: keep track of the docket for loaded data
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44363
diff changeset
456 self._nodemap_docket = None
27070
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
457 # 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
458 self._pcache = {}
4985
e6525e459157 revlog: simplify revlog.__init__
Matt Mackall <mpm@selenic.com>
parents: 4984
diff changeset
459
49778
45d7b8c380d7 changelog-v2: add a configuration to disable rank computation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49772
diff changeset
460 # other optionnals features
45d7b8c380d7 changelog-v2: add a configuration to disable rank computation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49772
diff changeset
461
39784
7b2b42fc377a revlog: store flag processors per revlog
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39783
diff changeset
462 # 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: 39783
diff changeset
463 # custom flags.
42746
05c80f9ef100 flagutil: move the `flagprocessors` mapping in the new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42745
diff changeset
464 self._flagprocessors = dict(flagutil.flagprocessors)
39784
7b2b42fc377a revlog: store flag processors per revlog
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39783
diff changeset
465
47395
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
466 # 3-tuple of file handles being used for active writing.
40671
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40670
diff changeset
467 self._writinghandles = None
47225
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47224
diff changeset
468 # prevent nesting of addgroup
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47224
diff changeset
469 self._adding_group = None
40671
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40670
diff changeset
470
41204
e3cfe0702eac revlog: inline opener options logic into _loadindex()
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41203
diff changeset
471 self._loadindex()
e3cfe0702eac revlog: inline opener options logic into _loadindex()
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41203
diff changeset
472
46646
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46561
diff changeset
473 self._concurrencychecker = concurrencychecker
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46561
diff changeset
474
51034
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
475 @property
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
476 def _generaldelta(self):
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
477 """temporary compatibility proxy"""
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
478 return self.delta_config.general_delta
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
479
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
480 @property
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
481 def _checkambig(self):
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
482 """temporary compatibility proxy"""
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
483 return self.data_config.check_ambig
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
484
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
485 @property
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
486 def _mmaplargeindex(self):
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
487 """temporary compatibility proxy"""
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
488 return self.data_config.mmap_large_index
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
489
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
490 @property
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
491 def _censorable(self):
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
492 """temporary compatibility proxy"""
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
493 return self.feature_config.censorable
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
494
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
495 @property
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
496 def _chunkcachesize(self):
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
497 """temporary compatibility proxy"""
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
498 return self.data_config.chunk_cache_size
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
499
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
500 @property
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
501 def _maxchainlen(self):
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
502 """temporary compatibility proxy"""
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
503 return self.delta_config.max_chain_len
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
504
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
505 @property
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
506 def _deltabothparents(self):
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
507 """temporary compatibility proxy"""
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
508 return self.delta_config.delta_both_parents
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
509
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
510 @property
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
511 def _candidate_group_chunk_size(self):
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
512 """temporary compatibility proxy"""
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
513 return self.delta_config.candidate_group_chunk_size
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
514
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
515 @property
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
516 def _debug_delta(self):
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
517 """temporary compatibility proxy"""
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
518 return self.delta_config.debug_delta
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
519
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
520 @property
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
521 def _compengine(self):
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
522 """temporary compatibility proxy"""
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
523 return self.feature_config.compression_engine
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
524
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
525 @property
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
526 def _compengineopts(self):
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
527 """temporary compatibility proxy"""
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
528 return self.feature_config.compression_engine_options
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
529
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
530 @property
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
531 def _maxdeltachainspan(self):
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
532 """temporary compatibility proxy"""
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
533 return self.delta_config.max_deltachain_span
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
534
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
535 @property
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
536 def _withsparseread(self):
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
537 """temporary compatibility proxy"""
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
538 return self.data_config.with_sparse_read
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
539
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
540 @property
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
541 def _sparserevlog(self):
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
542 """temporary compatibility proxy"""
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
543 return self.delta_config.sparse_revlog
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
544
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
545 @property
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
546 def hassidedata(self):
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
547 """temporary compatibility proxy"""
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
548 return self.feature_config.has_side_data
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
549
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
550 @property
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
551 def _srdensitythreshold(self):
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
552 """temporary compatibility proxy"""
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
553 return self.data_config.sr_density_threshold
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
554
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
555 @property
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
556 def _srmingapsize(self):
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
557 """temporary compatibility proxy"""
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
558 return self.data_config.sr_min_gap_size
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
559
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
560 @property
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
561 def _compute_rank(self):
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
562 """temporary compatibility proxy"""
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
563 return self.feature_config.compute_rank
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
564
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
565 @property
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
566 def canonical_parent_order(self):
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
567 """temporary compatibility proxy"""
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
568 return self.feature_config.canonical_parent_order
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
569
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
570 @property
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
571 def _lazydelta(self):
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
572 """temporary compatibility proxy"""
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
573 return self.delta_config.lazy_delta
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
574
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
575 @property
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
576 def _lazydeltabase(self):
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
577 """temporary compatibility proxy"""
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
578 return self.delta_config.lazy_delta_base
49077
5b65721a75eb revlog: recommit 49fd21f32695 with a fix for issue6528
Joerg Sonnenberger <joerg@bec.de>
parents: 49037
diff changeset
579
47158
b6e1fe7ac24b revlog: split the option initialisation in its own method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47157
diff changeset
580 def _init_opts(self):
b6e1fe7ac24b revlog: split the option initialisation in its own method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47157
diff changeset
581 """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: 47157
diff changeset
582
b6e1fe7ac24b revlog: split the option initialisation in its own method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47157
diff changeset
583 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: 47157
diff changeset
584
b6e1fe7ac24b revlog: split the option initialisation in its own method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47157
diff changeset
585 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: 47157
diff changeset
586
b6e1fe7ac24b revlog: split the option initialisation in its own method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47157
diff changeset
587 * newversionflags:
b6e1fe7ac24b revlog: split the option initialisation in its own method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47157
diff changeset
588 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: 47157
diff changeset
589
b6e1fe7ac24b revlog: split the option initialisation in its own method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47157
diff changeset
590 * mmapindexthreshold:
b6e1fe7ac24b revlog: split the option initialisation in its own method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47157
diff changeset
591 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: 47157
diff changeset
592
b6e1fe7ac24b revlog: split the option initialisation in its own method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47157
diff changeset
593 * force_nodemap:
b6e1fe7ac24b revlog: split the option initialisation in its own method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47157
diff changeset
594 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: 47157
diff changeset
595 """
34303
3c9691728237 revlog: add option to mmap revlog index
Mark Thomas <mbthomas@fb.com>
parents: 34298
diff changeset
596 mmapindexthreshold = None
43027
3518da504303 vfs: give all vfs an options attribute by default
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43026
diff changeset
597 opts = self.opener.options
41200
cecf3f8bccd3 revlog: always process opener options
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41118
diff changeset
598
47274
6c84fc9c9a90 changelogv2: introduce a "changelogv2" feature
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47272
diff changeset
599 if b'changelogv2' in opts and self.revlog_kind == KIND_CHANGELOG:
47277
921648d31553 changelogv2: use a dedicated version number
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47274
diff changeset
600 new_header = CHANGELOGV2
51034
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
601 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: 51031
diff changeset
602 self.feature_config.compute_rank = compute_rank
47274
6c84fc9c9a90 changelogv2: introduce a "changelogv2" feature
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47272
diff changeset
603 elif b'revlogv2' in opts:
47272
80164d50ae3d revlogv2: no longer attempt to use inline for new revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47270
diff changeset
604 new_header = REVLOGV2
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
605 elif b'revlogv1' in opts:
47185
729668105901 revlog: rename `newversionflags` to `new_header`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47184
diff changeset
606 new_header = REVLOGV1 | FLAG_INLINE_DATA
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
607 if b'generaldelta' in opts:
47185
729668105901 revlog: rename `newversionflags` to `new_header`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47184
diff changeset
608 new_header |= FLAG_GENERALDELTA
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
609 elif b'revlogv0' in self.opener.options:
47185
729668105901 revlog: rename `newversionflags` to `new_header`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47184
diff changeset
610 new_header = REVLOGV0
41200
cecf3f8bccd3 revlog: always process opener options
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41118
diff changeset
611 else:
47185
729668105901 revlog: rename `newversionflags` to `new_header`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47184
diff changeset
612 new_header = REVLOG_DEFAULT_VERSION
41200
cecf3f8bccd3 revlog: always process opener options
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41118
diff changeset
613
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
614 if b'chunkcachesize' in opts:
51034
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
615 self.data_config.chunk_cache_size = opts[b'chunkcachesize']
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
616 if b'maxchainlen' in opts:
51034
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
617 self.delta_config.max_chain_len = opts[b'maxchainlen']
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
618 if b'deltabothparents' in opts:
51034
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
619 self.delta_config.delta_both_parents = opts[b'deltabothparents']
49772
f5f113f1b011 delta-find: add a way to control the number of bases tested at the same time
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49739
diff changeset
620 dps_cgds = opts.get(b'delta-parent-search.candidate-group-chunk-size')
f5f113f1b011 delta-find: add a way to control the number of bases tested at the same time
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49739
diff changeset
621 if dps_cgds:
51034
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
622 self.delta_config.candidate_group_chunk_size = dps_cgds
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
623 if b'lazydelta' in opts:
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
624 self.delta_config.lazy_delta = bool(opts[b'lazydelta'])
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
625 if self._lazydelta and b'lazydeltabase' in opts:
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
626 self.delta_config.lazy_delta_base = opts[b'lazydeltabase']
49248
2bcf5e14bb7e deltas: add a `debug.revlog.debug-delta` config option enable output
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49077
diff changeset
627 if b'debug-delta' in opts:
51034
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
628 self.delta_config.debug_delta = opts[b'debug-delta']
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
629 if b'compengine' in opts:
51034
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
630 self.feature_config.compression_engine = opts[b'compengine']
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
631 comp_engine_opts = self.feature_config.compression_engine_options
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
632 if b'zlib.level' in opts:
51034
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
633 comp_engine_opts[b'zlib.level'] = opts[b'zlib.level']
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
634 if b'zstd.level' in opts:
51034
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
635 comp_engine_opts[b'zstd.level'] = opts[b'zstd.level']
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
636 if b'maxdeltachainspan' in opts:
51034
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
637 self.delta_config.max_deltachain_span = opts[b'maxdeltachainspan']
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
638 if self._mmaplargeindex and b'mmapindexthreshold' in opts:
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
639 mmapindexthreshold = opts[b'mmapindexthreshold']
51034
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
640 self.data_config.mmap_index_threshold = mmapindexthreshold
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
641 if b'sparse-revlog' in opts:
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
642 self.delta_config.sparse_revlog = bool(opts[b'sparse-revlog'])
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
643 if self.delta_config.sparse_revlog:
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
644 # sparse-revlog forces sparse-read
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
645 self.data_config.with_sparse_read = True
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
646 elif b'with-sparse-read' in opts:
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
647 self.data_config.with_sparse_read = bool(opts[b'with-sparse-read'])
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
648 if b'sparse-read-density-threshold' in opts:
51034
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
649 self.data_config.sr_density_threshold = opts[
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
650 b'sparse-read-density-threshold'
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
651 ]
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
652 if b'sparse-read-min-gap-size' in opts:
51034
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
653 self.data_config.sr_min_gap_size = opts[b'sparse-read-min-gap-size']
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
654 if opts.get(b'enableellipsis'):
51034
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
655 self.feature_config.enable_ellipsis = True
41200
cecf3f8bccd3 revlog: always process opener options
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41118
diff changeset
656 self._flagprocessors[REVIDX_ELLIPSIS] = ellipsisprocessor
cecf3f8bccd3 revlog: always process opener options
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41118
diff changeset
657
cecf3f8bccd3 revlog: always process opener options
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41118
diff changeset
658 # revlog v0 doesn't have flag processors
49019
ceafb0f81250 revlog: remove pycompat.iteritems()
Gregory Szorc <gregory.szorc@gmail.com>
parents: 49004
diff changeset
659 for flag, processor in opts.get(b'flagprocessors', {}).items():
42748
5109217a9ab6 flagutil: move insertflagprocessor to the new module (API)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42747
diff changeset
660 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
661
51034
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
662 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: 51031
diff changeset
663 if chunk_cache_size <= 0:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
664 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
665 _(b'revlog chunk cache size %r is not greater than 0')
51034
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
666 % chunk_cache_size
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
667 )
51034
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
668 elif chunk_cache_size & (chunk_cache_size - 1):
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
669 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
670 _(b'revlog chunk cache size %r is not a power of 2')
51034
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
671 % chunk_cache_size
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
672 )
47158
b6e1fe7ac24b revlog: split the option initialisation in its own method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47157
diff changeset
673 force_nodemap = opts.get(b'devel-force-nodemap', False)
47185
729668105901 revlog: rename `newversionflags` to `new_header`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47184
diff changeset
674 return new_header, mmapindexthreshold, force_nodemap
47158
b6e1fe7ac24b revlog: split the option initialisation in its own method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47157
diff changeset
675
47249
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47246
diff changeset
676 def _get_data(self, filepath, mmap_threshold, size=None):
47183
a13f72b9ccfb revlog: move index reading logic in a dedicated method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47182
diff changeset
677 """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: 47182
diff changeset
678
a13f72b9ccfb revlog: move index reading logic in a dedicated method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47182
diff changeset
679 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: 47182
diff changeset
680 try:
a13f72b9ccfb revlog: move index reading logic in a dedicated method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47182
diff changeset
681 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: 47182
diff changeset
682 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: 47182
diff changeset
683 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: 47182
diff changeset
684 if file_size >= mmap_threshold:
47249
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47246
diff changeset
685 if size is not None:
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47246
diff changeset
686 # avoid potentiel mmap crash
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47246
diff changeset
687 size = min(file_size, size)
47183
a13f72b9ccfb revlog: move index reading logic in a dedicated method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47182
diff changeset
688 # 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: 47182
diff changeset
689 # relying on Python GC
47249
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47246
diff changeset
690 if size is None:
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47246
diff changeset
691 return util.buffer(util.mmapread(fp))
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47246
diff changeset
692 else:
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47246
diff changeset
693 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: 47246
diff changeset
694 if size is None:
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47246
diff changeset
695 return fp.read()
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47246
diff changeset
696 else:
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47246
diff changeset
697 return fp.read(size)
49314
2e726c934fcd py3: catch FileNotFoundError instead of checking errno == ENOENT
Manuel Jacob <me@manueljacob.de>
parents: 49292
diff changeset
698 except FileNotFoundError:
47183
a13f72b9ccfb revlog: move index reading logic in a dedicated method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47182
diff changeset
699 return b''
a13f72b9ccfb revlog: move index reading logic in a dedicated method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47182
diff changeset
700
50694
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
701 def get_streams(self, max_linkrev, force_inline=False):
51008
273434748051 revlog: document the `get_streams` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51007
diff changeset
702 """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: 51007
diff changeset
703
273434748051 revlog: document the `get_streams` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51007
diff changeset
704 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: 51007
diff changeset
705
273434748051 revlog: document the `get_streams` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51007
diff changeset
706 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: 51007
diff changeset
707 to `max_linkrev`.
273434748051 revlog: document the `get_streams` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51007
diff changeset
708
273434748051 revlog: document the `get_streams` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51007
diff changeset
709 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: 51007
diff changeset
710
273434748051 revlog: document the `get_streams` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51007
diff changeset
711 It returns is a list of three-tuple:
273434748051 revlog: document the `get_streams` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51007
diff changeset
712
273434748051 revlog: document the `get_streams` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51007
diff changeset
713 [
273434748051 revlog: document the `get_streams` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51007
diff changeset
714 (filename, bytes_stream, stream_size),
273434748051 revlog: document the `get_streams` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51007
diff changeset
715 …
273434748051 revlog: document the `get_streams` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51007
diff changeset
716 ]
273434748051 revlog: document the `get_streams` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51007
diff changeset
717 """
50694
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
718 n = len(self)
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
719 index = self.index
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
720 while n > 0:
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
721 linkrev = index[n - 1][4]
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
722 if linkrev < max_linkrev:
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
723 break
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
724 # note: this loop will rarely go through multiple iterations, since
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
725 # it only traverses commits created during the current streaming
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
726 # pull operation.
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
727 #
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
728 # 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: 50391
diff changeset
729 # runtime of this.
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
730 n = n - 1
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
731 if n == 0:
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
732 # no data to send
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
733 return []
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
734 index_size = n * index.entry_size
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
735 data_size = self.end(n - 1)
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
736
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
737 # 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: 50391
diff changeset
738 # 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: 50391
diff changeset
739 # 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: 50391
diff changeset
740 # we are done streaming.
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
741
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
742 if self._inline:
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
743
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
744 def get_stream():
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
745 with self._indexfp() as fp:
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
746 yield None
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
747 size = index_size + data_size
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
748 if size <= 65536:
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
749 yield fp.read(size)
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
750 else:
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
751 yield from util.filechunkiter(fp, limit=size)
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
752
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
753 inline_stream = get_stream()
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
754 next(inline_stream)
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
755 return [
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
756 (self._indexfile, inline_stream, index_size + data_size),
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
757 ]
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
758 elif force_inline:
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
759
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
760 def get_stream():
51023
720e5a5f2b95 stream-clone: use `revlog.reading` in `revlog.get_streams`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51021
diff changeset
761 with self.reading():
50694
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
762 yield None
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
763
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
764 for rev in range(n):
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
765 idx = self.index.entry_binary(rev)
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
766 if rev == 0 and self._docket is None:
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
767 # re-inject the inline flag
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
768 header = self._format_flags
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
769 header |= self._format_version
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
770 header |= FLAG_INLINE_DATA
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
771 header = self.index.pack_header(header)
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
772 idx = header + idx
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
773 yield idx
51023
720e5a5f2b95 stream-clone: use `revlog.reading` in `revlog.get_streams`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51021
diff changeset
774 yield self._getsegmentforrevs(rev, rev)[1]
50694
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
775
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
776 inline_stream = get_stream()
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
777 next(inline_stream)
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
778 return [
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
779 (self._indexfile, inline_stream, index_size + data_size),
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
780 ]
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
781 else:
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
782
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
783 def get_index_stream():
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
784 with self._indexfp() as fp:
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
785 yield None
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
786 if index_size <= 65536:
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
787 yield fp.read(index_size)
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
788 else:
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
789 yield from util.filechunkiter(fp, limit=index_size)
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
790
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
791 def get_data_stream():
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
792 with self._datafp() as fp:
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
793 yield None
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
794 if data_size <= 65536:
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
795 yield fp.read(data_size)
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
796 else:
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
797 yield from util.filechunkiter(fp, limit=data_size)
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
798
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
799 index_stream = get_index_stream()
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
800 next(index_stream)
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
801 data_stream = get_data_stream()
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
802 next(data_stream)
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
803 return [
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
804 (self._datafile, data_stream, data_size),
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
805 (self._indexfile, index_stream, index_size),
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
806 ]
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
807
47408
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47405
diff changeset
808 def _loadindex(self, docket=None):
47158
b6e1fe7ac24b revlog: split the option initialisation in its own method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47157
diff changeset
809
47185
729668105901 revlog: rename `newversionflags` to `new_header`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47184
diff changeset
810 new_header, mmapindexthreshold, force_nodemap = self._init_opts()
47182
cacb08f357ed revlog: define the actual index and datafile at loading time
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47181
diff changeset
811
47251
4f38ada3fc26 revlog: move the `trypending` logic from the `changelog` to the `revlog`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47250
diff changeset
812 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: 47250
diff changeset
813 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: 47250
diff changeset
814 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: 47250
diff changeset
815 entry_point = b'%s.i.a' % self.radix
50390
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
816 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
817 entry_point = self._split_index_file
47251
4f38ada3fc26 revlog: move the `trypending` logic from the `changelog` to the `revlog`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47250
diff changeset
818 else:
47189
21ef5f75edf0 revlog: use "entry_point" phrasing for loading the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47188
diff changeset
819 entry_point = b'%s.i' % self.radix
47182
cacb08f357ed revlog: define the actual index and datafile at loading time
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47181
diff changeset
820
47408
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47405
diff changeset
821 if docket is not None:
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47405
diff changeset
822 self._docket = docket
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47405
diff changeset
823 self._docket_file = entry_point
47183
a13f72b9ccfb revlog: move index reading logic in a dedicated method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47182
diff changeset
824 else:
47408
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47405
diff changeset
825 self._initempty = True
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47405
diff changeset
826 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: 47405
diff changeset
827 if len(entry_data) > 0:
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47405
diff changeset
828 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: 47405
diff changeset
829 self._initempty = False
47245
616b8f412676 revlogv2: introduce a very basic docket file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47242
diff changeset
830 else:
47408
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47405
diff changeset
831 header = new_header
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47405
diff changeset
832
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47405
diff changeset
833 self._format_flags = header & ~0xFFFF
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47405
diff changeset
834 self._format_version = header & 0xFFFF
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47405
diff changeset
835
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47405
diff changeset
836 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: 47405
diff changeset
837 if supported_flags is None:
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47405
diff changeset
838 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: 47405
diff changeset
839 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: 47405
diff changeset
840 raise error.RevlogError(msg)
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47405
diff changeset
841 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: 47405
diff changeset
842 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: 47405
diff changeset
843 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: 47405
diff changeset
844 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: 47405
diff changeset
845 raise error.RevlogError(msg)
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47405
diff changeset
846
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47405
diff changeset
847 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: 47405
diff changeset
848 self._inline = features[b'inline'](self._format_flags)
51034
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
849 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: 51031
diff changeset
850 self._format_flags
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
851 )
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
852 self.feature_config.has_side_data = features[b'sidedata']
47408
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47405
diff changeset
853
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47405
diff changeset
854 if not features[b'docket']:
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47405
diff changeset
855 self._indexfile = entry_point
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47405
diff changeset
856 index_data = entry_data
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47405
diff changeset
857 else:
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47405
diff changeset
858 self._docket_file = entry_point
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47405
diff changeset
859 if self._initempty:
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47405
diff changeset
860 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: 47405
diff changeset
861 else:
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47405
diff changeset
862 self._docket = docketutil.parse_docket(
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47405
diff changeset
863 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: 47405
diff changeset
864 )
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47405
diff changeset
865
f7f082bc0e7c revlog: allow to pass an existing docket to `_loadindex()`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47405
diff changeset
866 if self._docket is not None:
47245
616b8f412676 revlogv2: introduce a very basic docket file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47242
diff changeset
867 self._indexfile = self._docket.index_filepath()
47249
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47246
diff changeset
868 index_data = b''
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47246
diff changeset
869 index_size = self._docket.index_end
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47246
diff changeset
870 if index_size > 0:
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47246
diff changeset
871 index_data = self._get_data(
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47246
diff changeset
872 self._indexfile, mmapindexthreshold, size=index_size
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47246
diff changeset
873 )
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47246
diff changeset
874 if len(index_data) < index_size:
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47246
diff changeset
875 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: 47246
diff changeset
876 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: 47246
diff changeset
877 raise error.RevlogError(msg)
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47246
diff changeset
878
47245
616b8f412676 revlogv2: introduce a very basic docket file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47242
diff changeset
879 self._inline = False
616b8f412676 revlogv2: introduce a very basic docket file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47242
diff changeset
880 # generaldelta implied by version 2 revlogs.
51034
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
881 self.delta_config.general_delta = True
47245
616b8f412676 revlogv2: introduce a very basic docket file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47242
diff changeset
882 # 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: 47242
diff changeset
883 # main docket, so disable it for now.
616b8f412676 revlogv2: introduce a very basic docket file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47242
diff changeset
884 self._nodemap_file = None
47189
21ef5f75edf0 revlog: use "entry_point" phrasing for loading the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47188
diff changeset
885
47332
0a3fa41fa719 revlogv2: use a unique filename for data
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47305
diff changeset
886 if self._docket is not None:
0a3fa41fa719 revlogv2: use a unique filename for data
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47305
diff changeset
887 self._datafile = self._docket.data_filepath()
47395
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
888 self._sidedatafile = self._docket.sidedata_filepath()
47332
0a3fa41fa719 revlogv2: use a unique filename for data
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47305
diff changeset
889 elif self.postfix is None:
47189
21ef5f75edf0 revlog: use "entry_point" phrasing for loading the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47188
diff changeset
890 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: 47188
diff changeset
891 else:
21ef5f75edf0 revlog: use "entry_point" phrasing for loading the revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47188
diff changeset
892 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: 47188
diff changeset
893
46793
6266d19556ad node: introduce nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46792
diff changeset
894 self.nodeconstants = sha1nodeconstants
6266d19556ad node: introduce nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46792
diff changeset
895 self.nullid = self.nodeconstants.nullid
6266d19556ad node: introduce nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46792
diff changeset
896
41312
189e06b2d719 revlog: make sure we never use sparserevlog without general delta (issue6056)
Boris Feld <boris.feld@octobus.net>
parents: 41310
diff changeset
897 # sparse-revlog can't be on without general-delta (issue6056)
189e06b2d719 revlog: make sure we never use sparserevlog without general delta (issue6056)
Boris Feld <boris.feld@octobus.net>
parents: 41310
diff changeset
898 if not self._generaldelta:
51034
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
899 self.delta_config.sparse_revlog = False
4985
e6525e459157 revlog: simplify revlog.__init__
Matt Mackall <mpm@selenic.com>
parents: 4984
diff changeset
900
39260
0a5b20c107a6 repository: remove storedeltachains from ifilestorage
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39259
diff changeset
901 self._storedeltachains = True
30154
5e72129d75ed revlog: add instance variable controlling delta chain use
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30014
diff changeset
902
44356
6f9e8e142cea nodemap: add a (python) index class for persistent nodemap testing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44353
diff changeset
903 devel_nodemap = (
47178
04f2f94836a5 revlog: rename `nodemap_file` to `_nodemap_file`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47177
diff changeset
904 self._nodemap_file
47158
b6e1fe7ac24b revlog: split the option initialisation in its own method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47157
diff changeset
905 and force_nodemap
47077
5e64c93d5f94 revlog: remove the revlogio class
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47075
diff changeset
906 and parse_index_v1_nodemap is not None
44356
6f9e8e142cea nodemap: add a (python) index class for persistent nodemap testing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44353
diff changeset
907 )
6f9e8e142cea nodemap: add a (python) index class for persistent nodemap testing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44353
diff changeset
908
44523
e7fff9c3cdac rust-nodemap: automatically use the rust index for persistent nodemap
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44511
diff changeset
909 use_rust_index = False
e7fff9c3cdac rust-nodemap: automatically use the rust index for persistent nodemap
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44511
diff changeset
910 if rustrevlog is not None:
47178
04f2f94836a5 revlog: rename `nodemap_file` to `_nodemap_file`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47177
diff changeset
911 if self._nodemap_file is not None:
44523
e7fff9c3cdac rust-nodemap: automatically use the rust index for persistent nodemap
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44511
diff changeset
912 use_rust_index = True
e7fff9c3cdac rust-nodemap: automatically use the rust index for persistent nodemap
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44511
diff changeset
913 else:
e7fff9c3cdac rust-nodemap: automatically use the rust index for persistent nodemap
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44511
diff changeset
914 use_rust_index = self.opener.options.get(b'rust.index')
e7fff9c3cdac rust-nodemap: automatically use the rust index for persistent nodemap
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44511
diff changeset
915
47077
5e64c93d5f94 revlog: remove the revlogio class
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47075
diff changeset
916 self._parse_index = parse_index_v1
47153
f58a13c52726 revlog: split the `version` attribute into its two components
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47150
diff changeset
917 if self._format_version == REVLOGV0:
47079
724db234b790 revlog: code for `revlogv0` in its own module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47078
diff changeset
918 self._parse_index = revlogv0.parse_index_v0
47187
ef7a8a1622ad revlog: directly use self._format_version when loading index
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47186
diff changeset
919 elif self._format_version == REVLOGV2:
47077
5e64c93d5f94 revlog: remove the revlogio class
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47075
diff changeset
920 self._parse_index = parse_index_v2
47277
921648d31553 changelogv2: use a dedicated version number
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47274
diff changeset
921 elif self._format_version == CHANGELOGV2:
47281
25ce16bf724b changelogv2: use a dedicated on disk format for changelogv2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47280
diff changeset
922 self._parse_index = parse_index_cl_v2
44356
6f9e8e142cea nodemap: add a (python) index class for persistent nodemap testing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44353
diff changeset
923 elif devel_nodemap:
47077
5e64c93d5f94 revlog: remove the revlogio class
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47075
diff changeset
924 self._parse_index = parse_index_v1_nodemap
44523
e7fff9c3cdac rust-nodemap: automatically use the rust index for persistent nodemap
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44511
diff changeset
925 elif use_rust_index:
47077
5e64c93d5f94 revlog: remove the revlogio class
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47075
diff changeset
926 self._parse_index = parse_index_v1_mixed
13265
04b302ce2781 revlog: always add the magic nullid/nullrev entry in parseindex
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 13264
diff changeset
927 try:
47190
8b549ea4bebf revlog: rename `indexdata` to entry_data
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47189
diff changeset
928 d = self._parse_index(index_data, self._inline)
47431
e0a314bcbc9d revlog: Extract low-level random-access file read caching logic
Simon Sapin <simon.sapin@octobus.net>
parents: 47420
diff changeset
929 index, chunkcache = d
44363
671f9479af0e nodemap: provide the on disk data to indexes who support it
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44356
diff changeset
930 use_nodemap = (
671f9479af0e nodemap: provide the on disk data to indexes who support it
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44356
diff changeset
931 not self._inline
47178
04f2f94836a5 revlog: rename `nodemap_file` to `_nodemap_file`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47177
diff changeset
932 and self._nodemap_file is not None
50951
d718eddf01d9 safehasattr: drop usage in favor of hasattr
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50761
diff changeset
933 and hasattr(index, 'update_nodemap_data')
44363
671f9479af0e nodemap: provide the on disk data to indexes who support it
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44356
diff changeset
934 )
671f9479af0e nodemap: provide the on disk data to indexes who support it
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44356
diff changeset
935 if use_nodemap:
671f9479af0e nodemap: provide the on disk data to indexes who support it
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44356
diff changeset
936 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: 44356
diff changeset
937 if nodemap_data is not None:
44525
6c906eaedd0d nodemap: track the tip_node for validation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44523
diff changeset
938 docket = nodemap_data[0]
44803
affe0fb42250 nodemap: fix validity checking when revlog is too short
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44526
diff changeset
939 if (
affe0fb42250 nodemap: fix validity checking when revlog is too short
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44526
diff changeset
940 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: 44526
diff changeset
941 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: 44526
diff changeset
942 ):
44525
6c906eaedd0d nodemap: track the tip_node for validation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44523
diff changeset
943 # no changelog tampering
6c906eaedd0d nodemap: track the tip_node for validation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44523
diff changeset
944 self._nodemap_docket = docket
6c906eaedd0d nodemap: track the tip_node for validation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44523
diff changeset
945 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
946 except (ValueError, IndexError):
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
947 raise error.RevlogError(
47172
e1936ae27897 revlog: use revlog.display_id for corruption error
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47171
diff changeset
948 _(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
949 )
47431
e0a314bcbc9d revlog: Extract low-level random-access file read caching logic
Simon Sapin <simon.sapin@octobus.net>
parents: 47420
diff changeset
950 self.index = index
e0a314bcbc9d revlog: Extract low-level random-access file read caching logic
Simon Sapin <simon.sapin@octobus.net>
parents: 47420
diff changeset
951 self._segmentfile = randomaccessfile.randomaccessfile(
e0a314bcbc9d revlog: Extract low-level random-access file read caching logic
Simon Sapin <simon.sapin@octobus.net>
parents: 47420
diff changeset
952 self.opener,
e0a314bcbc9d revlog: Extract low-level random-access file read caching logic
Simon Sapin <simon.sapin@octobus.net>
parents: 47420
diff changeset
953 (self._indexfile if self._inline else self._datafile),
e0a314bcbc9d revlog: Extract low-level random-access file read caching logic
Simon Sapin <simon.sapin@octobus.net>
parents: 47420
diff changeset
954 self._chunkcachesize,
e0a314bcbc9d revlog: Extract low-level random-access file read caching logic
Simon Sapin <simon.sapin@octobus.net>
parents: 47420
diff changeset
955 chunkcache,
e0a314bcbc9d revlog: Extract low-level random-access file read caching logic
Simon Sapin <simon.sapin@octobus.net>
parents: 47420
diff changeset
956 )
47432
cac0e0621ceb revlog: use file read caching for sidedata
Simon Sapin <simon.sapin@octobus.net>
parents: 47431
diff changeset
957 self._segmentfile_sidedata = randomaccessfile.randomaccessfile(
cac0e0621ceb revlog: use file read caching for sidedata
Simon Sapin <simon.sapin@octobus.net>
parents: 47431
diff changeset
958 self.opener,
cac0e0621ceb revlog: use file read caching for sidedata
Simon Sapin <simon.sapin@octobus.net>
parents: 47431
diff changeset
959 self._sidedatafile,
cac0e0621ceb revlog: use file read caching for sidedata
Simon Sapin <simon.sapin@octobus.net>
parents: 47431
diff changeset
960 self._chunkcachesize,
cac0e0621ceb revlog: use file read caching for sidedata
Simon Sapin <simon.sapin@octobus.net>
parents: 47431
diff changeset
961 )
23306
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452)
Siddharth Agarwal <sid0@fb.com>
parents: 23288
diff changeset
962 # revnum -> (chain-length, sum-delta-length)
45802
8719a5b68419 revlog: use LRU for the chain cache
Joerg Sonnenberger <joerg@bec.de>
parents: 45735
diff changeset
963 self._chaininfocache = util.lrucachedict(500)
30817
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
964 # revlog header -> revlog compressor
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
965 self._decompressors = {}
116
e484cd5ec282 Only use lazy indexing for big indices and avoid the overhead of the
mpm@selenic.com
parents: 115
diff changeset
966
50694
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
967 def get_revlog(self):
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
968 """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: 50391
diff changeset
969 return self
a41eeb877d07 branching: merge with stable
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50391
diff changeset
970
30795
78ac56aebab6 revlog: use compression engine API for compression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30793
diff changeset
971 @util.propertycache
47090
64cd1496bb70 revlog: replace the old `revlog_kind` approach with the new `target` one
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47089
diff changeset
972 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: 47089
diff changeset
973 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: 47089
diff changeset
974
64cd1496bb70 revlog: replace the old `revlog_kind` approach with the new `target` one
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47089
diff changeset
975 @util.propertycache
47167
fbf38517d17d revlog: introduce a `display_id` property
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47165
diff changeset
976 def display_id(self):
fbf38517d17d revlog: introduce a `display_id` property
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47165
diff changeset
977 """The public facing "ID" of the revlog that we use in message"""
49712
92892dff03f3 revlog: use the user facing filename as the display_id for filelogs
Matt Harbison <matt_harbison@yahoo.com>
parents: 49711
diff changeset
978 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: 49711
diff changeset
979 # 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: 49711
diff changeset
980 # to the user.
92892dff03f3 revlog: use the user facing filename as the display_id for filelogs
Matt Harbison <matt_harbison@yahoo.com>
parents: 49711
diff changeset
981 return self.target[1]
92892dff03f3 revlog: use the user facing filename as the display_id for filelogs
Matt Harbison <matt_harbison@yahoo.com>
parents: 49711
diff changeset
982 else:
92892dff03f3 revlog: use the user facing filename as the display_id for filelogs
Matt Harbison <matt_harbison@yahoo.com>
parents: 49711
diff changeset
983 return self.radix
47167
fbf38517d17d revlog: introduce a `display_id` property
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47165
diff changeset
984
47265
eac3591abbf4 revlog: add a `_get_decompressor` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47264
diff changeset
985 def _get_decompressor(self, t):
eac3591abbf4 revlog: add a `_get_decompressor` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47264
diff changeset
986 try:
eac3591abbf4 revlog: add a `_get_decompressor` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47264
diff changeset
987 compressor = self._decompressors[t]
eac3591abbf4 revlog: add a `_get_decompressor` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47264
diff changeset
988 except KeyError:
eac3591abbf4 revlog: add a `_get_decompressor` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47264
diff changeset
989 try:
eac3591abbf4 revlog: add a `_get_decompressor` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47264
diff changeset
990 engine = util.compengines.forrevlogheader(t)
eac3591abbf4 revlog: add a `_get_decompressor` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47264
diff changeset
991 compressor = engine.revlogcompressor(self._compengineopts)
eac3591abbf4 revlog: add a `_get_decompressor` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47264
diff changeset
992 self._decompressors[t] = compressor
eac3591abbf4 revlog: add a `_get_decompressor` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47264
diff changeset
993 except KeyError:
eac3591abbf4 revlog: add a `_get_decompressor` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47264
diff changeset
994 raise error.RevlogError(
eac3591abbf4 revlog: add a `_get_decompressor` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47264
diff changeset
995 _(b'unknown compression type %s') % binascii.hexlify(t)
eac3591abbf4 revlog: add a `_get_decompressor` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47264
diff changeset
996 )
eac3591abbf4 revlog: add a `_get_decompressor` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47264
diff changeset
997 return compressor
eac3591abbf4 revlog: add a `_get_decompressor` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47264
diff changeset
998
47167
fbf38517d17d revlog: introduce a `display_id` property
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47165
diff changeset
999 @util.propertycache
30795
78ac56aebab6 revlog: use compression engine API for compression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30793
diff changeset
1000 def _compressor(self):
42043
1fac9b931d46 compression: introduce a `storage.revlog.zlib.level` configuration
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41877
diff changeset
1001 engine = util.compengines[self._compengine]
1fac9b931d46 compression: introduce a `storage.revlog.zlib.level` configuration
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41877
diff changeset
1002 return engine.revlogcompressor(self._compengineopts)
30795
78ac56aebab6 revlog: use compression engine API for compression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30793
diff changeset
1003
47266
ff9fd7107d11 revlog: implement a "default compression" mode
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47265
diff changeset
1004 @util.propertycache
ff9fd7107d11 revlog: implement a "default compression" mode
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47265
diff changeset
1005 def _decompressor(self):
ff9fd7107d11 revlog: implement a "default compression" mode
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47265
diff changeset
1006 """the default decompressor"""
ff9fd7107d11 revlog: implement a "default compression" mode
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47265
diff changeset
1007 if self._docket is None:
ff9fd7107d11 revlog: implement a "default compression" mode
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47265
diff changeset
1008 return None
ff9fd7107d11 revlog: implement a "default compression" mode
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47265
diff changeset
1009 t = self._docket.default_compression_header
ff9fd7107d11 revlog: implement a "default compression" mode
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47265
diff changeset
1010 c = self._get_decompressor(t)
ff9fd7107d11 revlog: implement a "default compression" mode
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47265
diff changeset
1011 return c.decompress
ff9fd7107d11 revlog: implement a "default compression" mode
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47265
diff changeset
1012
47230
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47229
diff changeset
1013 def _indexfp(self):
36007
91b3b11565e5 revlog: move index file opening in a method
Boris Feld <boris.feld@octobus.net>
parents: 36006
diff changeset
1014 """file object for the revlog's index file"""
47230
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47229
diff changeset
1015 return self.opener(self._indexfile, mode=b"r")
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47229
diff changeset
1016
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47229
diff changeset
1017 def __index_write_fp(self):
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47229
diff changeset
1018 # You should not use this directly and use `_writing` instead
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47229
diff changeset
1019 try:
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47229
diff changeset
1020 f = self.opener(
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47229
diff changeset
1021 self._indexfile, mode=b"r+", checkambig=self._checkambig
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47229
diff changeset
1022 )
47249
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47246
diff changeset
1023 if self._docket is None:
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47246
diff changeset
1024 f.seek(0, os.SEEK_END)
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47246
diff changeset
1025 else:
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47246
diff changeset
1026 f.seek(self._docket.index_end, os.SEEK_SET)
47230
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47229
diff changeset
1027 return f
49314
2e726c934fcd py3: catch FileNotFoundError instead of checking errno == ENOENT
Manuel Jacob <me@manueljacob.de>
parents: 49292
diff changeset
1028 except FileNotFoundError:
47230
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47229
diff changeset
1029 return self.opener(
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47229
diff changeset
1030 self._indexfile, mode=b"w+", checkambig=self._checkambig
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47229
diff changeset
1031 )
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47229
diff changeset
1032
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47229
diff changeset
1033 def __index_new_fp(self):
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47229
diff changeset
1034 # You should not use this unless you are upgrading from inline revlog
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47229
diff changeset
1035 return self.opener(
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47229
diff changeset
1036 self._indexfile,
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47229
diff changeset
1037 mode=b"w",
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47229
diff changeset
1038 checkambig=self._checkambig,
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47229
diff changeset
1039 atomictemp=True,
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47229
diff changeset
1040 )
36007
91b3b11565e5 revlog: move index file opening in a method
Boris Feld <boris.feld@octobus.net>
parents: 36006
diff changeset
1041
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
1042 def _datafp(self, mode=b'r'):
36006
61326dd7cb8d revlog: move datafile opening in a method
Boris Feld <boris.feld@octobus.net>
parents: 35885
diff changeset
1043 """file object for the revlog's data file"""
47163
396442cd7e6a revlog: rename `datafile` to `datafile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47162
diff changeset
1044 return self.opener(self._datafile, mode=mode)
36006
61326dd7cb8d revlog: move datafile opening in a method
Boris Feld <boris.feld@octobus.net>
parents: 35885
diff changeset
1045
36012
4d66993bdcff revlog: add a _datareadfp context manager for data access needs
Boris Feld <boris.feld@octobus.net>
parents: 36011
diff changeset
1046 @contextlib.contextmanager
47393
75e1104f23a2 revlog: use dedicated code for reading sidedata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47392
diff changeset
1047 def _sidedatareadfp(self):
75e1104f23a2 revlog: use dedicated code for reading sidedata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47392
diff changeset
1048 """file object suitable to read sidedata"""
47395
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
1049 if self._writinghandles:
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
1050 yield self._writinghandles[2]
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
1051 else:
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
1052 with self.opener(self._sidedatafile) as fp:
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
1053 yield fp
47393
75e1104f23a2 revlog: use dedicated code for reading sidedata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47392
diff changeset
1054
43492
ec7ba79bf3db revlog: move tiprev() from changelog up to revlog
Martin von Zweigbergk <martinvonz@google.com>
parents: 43133
diff changeset
1055 def tiprev(self):
ec7ba79bf3db revlog: move tiprev() from changelog up to revlog
Martin von Zweigbergk <martinvonz@google.com>
parents: 43133
diff changeset
1056 return len(self.index) - 1
ec7ba79bf3db revlog: move tiprev() from changelog up to revlog
Martin von Zweigbergk <martinvonz@google.com>
parents: 43133
diff changeset
1057
4980
fc44c8df9d99 revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents: 4979
diff changeset
1058 def tip(self):
43492
ec7ba79bf3db revlog: move tiprev() from changelog up to revlog
Martin von Zweigbergk <martinvonz@google.com>
parents: 43133
diff changeset
1059 return self.node(self.tiprev())
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1060
24030
828dc8db5515 revlog: add __contains__ for fast membership test
Yuya Nishihara <yuya@tcha.org>
parents: 23857
diff changeset
1061 def __contains__(self, rev):
828dc8db5515 revlog: add __contains__ for fast membership test
Yuya Nishihara <yuya@tcha.org>
parents: 23857
diff changeset
1062 return 0 <= rev < len(self)
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1063
6750
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog
Matt Mackall <mpm@selenic.com>
parents: 6703
diff changeset
1064 def __len__(self):
38890
781b2720d2ac index: don't include nullid in len()
Martin von Zweigbergk <martinvonz@google.com>
parents: 38889
diff changeset
1065 return len(self.index)
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1066
6750
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog
Matt Mackall <mpm@selenic.com>
parents: 6703
diff changeset
1067 def __iter__(self):
49292
d44e3c45f0e4 py3: replace `pycompat.xrange` by `range`
Manuel Jacob <me@manueljacob.de>
parents: 49263
diff changeset
1068 return iter(range(len(self)))
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1069
17672
474047947b8f clfilter: make the revlog class responsible of all its iteration
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17537
diff changeset
1070 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
1071 """iterate over all rev in this revlog (from start to stop)"""
39886
d63153611ed5 storageutil: extract revision number iteration
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39884
diff changeset
1072 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
1073
16374
29c2ff719715 revlog: add hasnode helper method
Matt Mackall <mpm@selenic.com>
parents: 15890
diff changeset
1074 def hasnode(self, node):
29c2ff719715 revlog: add hasnode helper method
Matt Mackall <mpm@selenic.com>
parents: 15890
diff changeset
1075 try:
29c2ff719715 revlog: add hasnode helper method
Matt Mackall <mpm@selenic.com>
parents: 15890
diff changeset
1076 self.rev(node)
29c2ff719715 revlog: add hasnode helper method
Matt Mackall <mpm@selenic.com>
parents: 15890
diff changeset
1077 return True
29c2ff719715 revlog: add hasnode helper method
Matt Mackall <mpm@selenic.com>
parents: 15890
diff changeset
1078 except KeyError:
29c2ff719715 revlog: add hasnode helper method
Matt Mackall <mpm@selenic.com>
parents: 15890
diff changeset
1079 return False
29c2ff719715 revlog: add hasnode helper method
Matt Mackall <mpm@selenic.com>
parents: 15890
diff changeset
1080
51009
39fa0b948f5a revlog: make the `candelta` method private
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51008
diff changeset
1081 def _candelta(self, baserev, rev):
35839
d031609b3cb7 changegroup: do not delta lfs revisions
Jun Wu <quark@fb.com>
parents: 35738
diff changeset
1082 """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
1083 # 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
1084 # 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
1085 # 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
1086 # 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
1087 # rawtext contents) and the delta could be incompatible.
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1088 if (self.flags(baserev) & REVIDX_RAWTEXT_CHANGING_FLAGS) or (
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1089 self.flags(rev) & REVIDX_RAWTEXT_CHANGING_FLAGS
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1090 ):
35839
d031609b3cb7 changegroup: do not delta lfs revisions
Jun Wu <quark@fb.com>
parents: 35738
diff changeset
1091 return False
d031609b3cb7 changegroup: do not delta lfs revisions
Jun Wu <quark@fb.com>
parents: 35738
diff changeset
1092 return True
d031609b3cb7 changegroup: do not delta lfs revisions
Jun Wu <quark@fb.com>
parents: 35738
diff changeset
1093
44465
336ec75ed1ac nodemap: warm the persistent nodemap on disk with debugupdatecache
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44397
diff changeset
1094 def update_caches(self, transaction):
51010
569eb5d0420d revlog: document the `update_caches` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51009
diff changeset
1095 """update on disk cache
569eb5d0420d revlog: document the `update_caches` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51009
diff changeset
1096
569eb5d0420d revlog: document the `update_caches` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51009
diff changeset
1097 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: 51009
diff changeset
1098 commit."""
47178
04f2f94836a5 revlog: rename `nodemap_file` to `_nodemap_file`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47177
diff changeset
1099 if self._nodemap_file is not None:
44465
336ec75ed1ac nodemap: warm the persistent nodemap on disk with debugupdatecache
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44397
diff changeset
1100 if transaction is None:
336ec75ed1ac nodemap: warm the persistent nodemap on disk with debugupdatecache
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44397
diff changeset
1101 nodemaputil.update_persistent_nodemap(self)
336ec75ed1ac nodemap: warm the persistent nodemap on disk with debugupdatecache
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44397
diff changeset
1102 else:
336ec75ed1ac nodemap: warm the persistent nodemap on disk with debugupdatecache
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44397
diff changeset
1103 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: 44397
diff changeset
1104
16414
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents: 16375
diff changeset
1105 def clearcaches(self):
51011
6c3798b4597f revlog: document the `clearcaches` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51010
diff changeset
1106 """Clear in-memory caches"""
40053
55db747a21ad revlog: rename _cache to _revisioncache
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40011
diff changeset
1107 self._revisioncache = None
29841
92ac2baaea86 revlog: use an LRU cache for delta chain bases
Gregory Szorc <gregory.szorc@gmail.com>
parents: 29840
diff changeset
1108 self._chainbasecache.clear()
47431
e0a314bcbc9d revlog: Extract low-level random-access file read caching logic
Simon Sapin <simon.sapin@octobus.net>
parents: 47420
diff changeset
1109 self._segmentfile.clear_cache()
47432
cac0e0621ceb revlog: use file read caching for sidedata
Simon Sapin <simon.sapin@octobus.net>
parents: 47431
diff changeset
1110 self._segmentfile_sidedata.clear_cache()
27465
072a675c51f2 revlog: make clearcaches() more effective
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27449
diff changeset
1111 self._pcache = {}
44511
87b327de772c nodemap: refresh the persistent data on nodemap creation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44503
diff changeset
1112 self._nodemap_docket = None
43573
845e5b313783 revlog: move the nodemap into the index object (for pure)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43572
diff changeset
1113 self.index.clearcaches()
44511
87b327de772c nodemap: refresh the persistent data on nodemap creation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44503
diff changeset
1114 # 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: 44503
diff changeset
1115 # 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: 44503
diff changeset
1116 use_nodemap = (
87b327de772c nodemap: refresh the persistent data on nodemap creation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44503
diff changeset
1117 not self._inline
47178
04f2f94836a5 revlog: rename `nodemap_file` to `_nodemap_file`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47177
diff changeset
1118 and self._nodemap_file is not None
50951
d718eddf01d9 safehasattr: drop usage in favor of hasattr
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50761
diff changeset
1119 and hasattr(self.index, 'update_nodemap_data')
44511
87b327de772c nodemap: refresh the persistent data on nodemap creation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44503
diff changeset
1120 )
87b327de772c nodemap: refresh the persistent data on nodemap creation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44503
diff changeset
1121 if use_nodemap:
87b327de772c nodemap: refresh the persistent data on nodemap creation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44503
diff changeset
1122 nodemap_data = nodemaputil.persisted_data(self)
87b327de772c nodemap: refresh the persistent data on nodemap creation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44503
diff changeset
1123 if nodemap_data is not None:
87b327de772c nodemap: refresh the persistent data on nodemap creation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44503
diff changeset
1124 self._nodemap_docket = nodemap_data[0]
87b327de772c nodemap: refresh the persistent data on nodemap creation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44503
diff changeset
1125 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
1126
13259
3b616dfa4b17 revlog: do revlog node->rev mapping by scanning
Matt Mackall <mpm@selenic.com>
parents: 13258
diff changeset
1127 def rev(self, node):
51012
ccddd2f54013 revlog: document the `rev` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51011
diff changeset
1128 """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
1129 try:
43601
2da51e292734 index: use `index.rev` in `revlog.rev`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43600
diff changeset
1130 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
1131 except TypeError:
4092d12ba18a repoview: fix 0L with pack/unpack for 2.4
Matt Mackall <mpm@selenic.com>
parents: 21752
diff changeset
1132 raise
39789
2cd93a8d4bde revlog: drop RevlogError alias (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39785
diff changeset
1133 except error.RevlogError:
43573
845e5b313783 revlog: move the nodemap into the index object (for pure)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43572
diff changeset
1134 # parsers.c radix tree lookup failed
47055
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
1135 if (
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
1136 node == self.nodeconstants.wdirid
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
1137 or node in self.nodeconstants.wdirfilenodeids
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
1138 ):
43573
845e5b313783 revlog: move the nodemap into the index object (for pure)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43572
diff changeset
1139 raise error.WdirUnsupported
47169
96ee8ca99f5a revlog: use revlog.display_id in LookupError
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47167
diff changeset
1140 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
1141
30301
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1142 # Accessors for index entries.
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1143
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1144 # 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
1145 # are flags.
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1146 def start(self, rev):
5006
c2febf5420e9 revlog: minor chunk speed-up
Matt Mackall <mpm@selenic.com>
parents: 5005
diff changeset
1147 return int(self.index[rev][0] >> 16)
30301
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1148
47395
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
1149 def sidedata_cut_off(self, rev):
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
1150 sd_cut_off = self.index[rev][8]
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
1151 if sd_cut_off != 0:
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
1152 return sd_cut_off
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
1153 # 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: 47393
diff changeset
1154 # 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: 47393
diff changeset
1155 # previous-size)
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
1156 #
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
1157 # 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: 47393
diff changeset
1158 # In the meantime, we need this.
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
1159 while 0 <= rev:
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
1160 e = self.index[rev]
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
1161 if e[9] != 0:
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
1162 return e[8] + e[9]
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
1163 rev -= 1
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
1164 return 0
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
1165
30301
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1166 def flags(self, rev):
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1167 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
1168
4980
fc44c8df9d99 revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents: 4979
diff changeset
1169 def length(self, rev):
fc44c8df9d99 revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents: 4979
diff changeset
1170 return self.index[rev][1]
30301
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1171
46722
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
1172 def sidedata_length(self, rev):
47150
84b176ad2860 revlog: replace REVLOGV2 check related to sidedata with `hassidedata` checks
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47148
diff changeset
1173 if not self.hassidedata:
46722
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
1174 return 0
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
1175 return self.index[rev][9]
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
1176
30301
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1177 def rawsize(self, rev):
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1178 """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
1179 l = self.index[rev][2]
38210
7fa3408f83ef revlog: disallow setting uncompressed length to None
Yuya Nishihara <yuya@tcha.org>
parents: 38202
diff changeset
1180 if l >= 0:
30301
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1181 return l
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1182
42784
5a8f2c8edff6 rawdata: update caller in revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42749
diff changeset
1183 t = self.rawdata(rev)
30301
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1184 return len(t)
31856
0ab7f469d386 revlog: make "size" diverge from "rawsize"
Jun Wu <quark@fb.com>
parents: 31804
diff changeset
1185
0ab7f469d386 revlog: make "size" diverge from "rawsize"
Jun Wu <quark@fb.com>
parents: 31804
diff changeset
1186 def size(self, rev):
0ab7f469d386 revlog: make "size" diverge from "rawsize"
Jun Wu <quark@fb.com>
parents: 31804
diff changeset
1187 """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
1188 # 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
1189 # 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
1190 flags = self.flags(rev)
42747
92ac6b1697a7 flagutil: move REVIDX_KNOWN_FLAGS source of truth in flagutil (API)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42746
diff changeset
1191 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
1192 return self.rawsize(rev)
0ab7f469d386 revlog: make "size" diverge from "rawsize"
Jun Wu <quark@fb.com>
parents: 31804
diff changeset
1193
48564
c514936d92b4 revlog: remove deprecated APIs
Rapha?l Gom?s <rgomes@octobus.net>
parents: 48287
diff changeset
1194 return len(self.revision(rev))
30301
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1195
48764
2e949ede7350 rank: naive rank property computation and retrieval
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 48695
diff changeset
1196 def fast_rank(self, rev):
2e949ede7350 rank: naive rank property computation and retrieval
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 48695
diff changeset
1197 """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: 48695
diff changeset
1198
2e949ede7350 rank: naive rank property computation and retrieval
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 48695
diff changeset
1199 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: 48695
diff changeset
1200 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: 48695
diff changeset
1201 `ancestors(r)`, `r` included.
2e949ede7350 rank: naive rank property computation and retrieval
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 48695
diff changeset
1202
2e949ede7350 rank: naive rank property computation and retrieval
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 48695
diff changeset
1203 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: 48695
diff changeset
1204 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: 48695
diff changeset
1205 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: 48695
diff changeset
1206 """
2e949ede7350 rank: naive rank property computation and retrieval
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 48695
diff changeset
1207 rank = self.index[rev][ENTRY_RANK]
48942
d739cd69bb6a revlog: return 0 for the fast_rank of nullrev
pacien <pacien.trangirard@pacien.net>
parents: 48772
diff changeset
1208 if self._format_version != CHANGELOGV2 or rank == RANK_UNKNOWN:
48764
2e949ede7350 rank: naive rank property computation and retrieval
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 48695
diff changeset
1209 return None
48942
d739cd69bb6a revlog: return 0 for the fast_rank of nullrev
pacien <pacien.trangirard@pacien.net>
parents: 48772
diff changeset
1210 if rev == nullrev:
d739cd69bb6a revlog: return 0 for the fast_rank of nullrev
pacien <pacien.trangirard@pacien.net>
parents: 48772
diff changeset
1211 return 0 # convention
48764
2e949ede7350 rank: naive rank property computation and retrieval
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 48695
diff changeset
1212 return rank
2e949ede7350 rank: naive rank property computation and retrieval
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 48695
diff changeset
1213
14252
19067884c5f5 revlog: calculate base revisions iteratively
Sune Foldager <cryo@cyanite.org>
parents: 14251
diff changeset
1214 def chainbase(self, rev):
29841
92ac2baaea86 revlog: use an LRU cache for delta chain bases
Gregory Szorc <gregory.szorc@gmail.com>
parents: 29840
diff changeset
1215 base = self._chainbasecache.get(rev)
92ac2baaea86 revlog: use an LRU cache for delta chain bases
Gregory Szorc <gregory.szorc@gmail.com>
parents: 29840
diff changeset
1216 if base is not None:
92ac2baaea86 revlog: use an LRU cache for delta chain bases
Gregory Szorc <gregory.szorc@gmail.com>
parents: 29840
diff changeset
1217 return base
92ac2baaea86 revlog: use an LRU cache for delta chain bases
Gregory Szorc <gregory.szorc@gmail.com>
parents: 29840
diff changeset
1218
14252
19067884c5f5 revlog: calculate base revisions iteratively
Sune Foldager <cryo@cyanite.org>
parents: 14251
diff changeset
1219 index = self.index
38202
fc72beec2a1a revlog: make chainbase cache its result for the correct revision
Paul Morelle <paul.morelle@octobus.net>
parents: 38201
diff changeset
1220 iterrev = rev
fc72beec2a1a revlog: make chainbase cache its result for the correct revision
Paul Morelle <paul.morelle@octobus.net>
parents: 38201
diff changeset
1221 base = index[iterrev][3]
fc72beec2a1a revlog: make chainbase cache its result for the correct revision
Paul Morelle <paul.morelle@octobus.net>
parents: 38201
diff changeset
1222 while base != iterrev:
fc72beec2a1a revlog: make chainbase cache its result for the correct revision
Paul Morelle <paul.morelle@octobus.net>
parents: 38201
diff changeset
1223 iterrev = base
fc72beec2a1a revlog: make chainbase cache its result for the correct revision
Paul Morelle <paul.morelle@octobus.net>
parents: 38201
diff changeset
1224 base = index[iterrev][3]
29841
92ac2baaea86 revlog: use an LRU cache for delta chain bases
Gregory Szorc <gregory.szorc@gmail.com>
parents: 29840
diff changeset
1225
92ac2baaea86 revlog: use an LRU cache for delta chain bases
Gregory Szorc <gregory.szorc@gmail.com>
parents: 29840
diff changeset
1226 self._chainbasecache[rev] = base
14252
19067884c5f5 revlog: calculate base revisions iteratively
Sune Foldager <cryo@cyanite.org>
parents: 14251
diff changeset
1227 return base
30301
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1228
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1229 def linkrev(self, rev):
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1230 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
1231
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1232 def parentrevs(self, rev):
32441
a28c76e1cea9 revlog: raise WdirUnsupported when wdirrev is passed
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32431
diff changeset
1233 try:
35525
a0fab647a8f1 revlog: don't use slicing to return parents
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35354
diff changeset
1234 entry = self.index[rev]
32441
a28c76e1cea9 revlog: raise WdirUnsupported when wdirrev is passed
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32431
diff changeset
1235 except IndexError:
a28c76e1cea9 revlog: raise WdirUnsupported when wdirrev is passed
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32431
diff changeset
1236 if rev == wdirrev:
a28c76e1cea9 revlog: raise WdirUnsupported when wdirrev is passed
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32431
diff changeset
1237 raise error.WdirUnsupported
a28c76e1cea9 revlog: raise WdirUnsupported when wdirrev is passed
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32431
diff changeset
1238 raise
47052
411dc27fd9fd corruption: backout changeset 49fd21f32695 (issue6528)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46974
diff changeset
1239
49077
5b65721a75eb revlog: recommit 49fd21f32695 with a fix for issue6528
Joerg Sonnenberger <joerg@bec.de>
parents: 49037
diff changeset
1240 if self.canonical_parent_order and entry[5] == nullrev:
5b65721a75eb revlog: recommit 49fd21f32695 with a fix for issue6528
Joerg Sonnenberger <joerg@bec.de>
parents: 49037
diff changeset
1241 return entry[6], entry[5]
5b65721a75eb revlog: recommit 49fd21f32695 with a fix for issue6528
Joerg Sonnenberger <joerg@bec.de>
parents: 49037
diff changeset
1242 else:
5b65721a75eb revlog: recommit 49fd21f32695 with a fix for issue6528
Joerg Sonnenberger <joerg@bec.de>
parents: 49037
diff changeset
1243 return entry[5], entry[6]
35525
a0fab647a8f1 revlog: don't use slicing to return parents
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35354
diff changeset
1244
40152
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each
Yuya Nishihara <yuya@tcha.org>
parents: 40057
diff changeset
1245 # 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: 40057
diff changeset
1246 _uncheckedparentrevs = parentrevs
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each
Yuya Nishihara <yuya@tcha.org>
parents: 40057
diff changeset
1247
30301
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1248 def node(self, rev):
32481
34e9b8b94f66 revlog: raise error.WdirUnsupported from revlog.node() if wdirrev is passed
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32441
diff changeset
1249 try:
34e9b8b94f66 revlog: raise error.WdirUnsupported from revlog.node() if wdirrev is passed
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32441
diff changeset
1250 return self.index[rev][7]
34e9b8b94f66 revlog: raise error.WdirUnsupported from revlog.node() if wdirrev is passed
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32441
diff changeset
1251 except IndexError:
34e9b8b94f66 revlog: raise error.WdirUnsupported from revlog.node() if wdirrev is passed
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32441
diff changeset
1252 if rev == wdirrev:
34e9b8b94f66 revlog: raise error.WdirUnsupported from revlog.node() if wdirrev is passed
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32441
diff changeset
1253 raise error.WdirUnsupported
34e9b8b94f66 revlog: raise error.WdirUnsupported from revlog.node() if wdirrev is passed
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32441
diff changeset
1254 raise
30301
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1255
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1256 # Derived from index values.
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1257
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1258 def end(self, rev):
46723
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46722
diff changeset
1259 return self.start(rev) + self.length(rev)
30301
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1260
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1261 def parents(self, node):
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1262 i = self.index
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1263 d = i[self.rev(node)]
49077
5b65721a75eb revlog: recommit 49fd21f32695 with a fix for issue6528
Joerg Sonnenberger <joerg@bec.de>
parents: 49037
diff changeset
1264 # inline node() to avoid function call overhead
5b65721a75eb revlog: recommit 49fd21f32695 with a fix for issue6528
Joerg Sonnenberger <joerg@bec.de>
parents: 49037
diff changeset
1265 if self.canonical_parent_order and d[5] == self.nullid:
5b65721a75eb revlog: recommit 49fd21f32695 with a fix for issue6528
Joerg Sonnenberger <joerg@bec.de>
parents: 49037
diff changeset
1266 return i[d[6]][7], i[d[5]][7]
5b65721a75eb revlog: recommit 49fd21f32695 with a fix for issue6528
Joerg Sonnenberger <joerg@bec.de>
parents: 49037
diff changeset
1267 else:
5b65721a75eb revlog: recommit 49fd21f32695 with a fix for issue6528
Joerg Sonnenberger <joerg@bec.de>
parents: 49037
diff changeset
1268 return i[d[5]][7], i[d[6]][7]
30301
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
1269
23254
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d
Mateusz Kwapich <mitrandir@fb.com>
parents: 22934
diff changeset
1270 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
1271 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
1272
23286
40e0067899d4 revlog: compute length of compressed deltas along with chain length
Siddharth Agarwal <sid0@fb.com>
parents: 23285
diff changeset
1273 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
1274 chaininfocache = self._chaininfocache
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452)
Siddharth Agarwal <sid0@fb.com>
parents: 23288
diff changeset
1275 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
1276 return chaininfocache[rev]
23254
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d
Mateusz Kwapich <mitrandir@fb.com>
parents: 22934
diff changeset
1277 index = self.index
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d
Mateusz Kwapich <mitrandir@fb.com>
parents: 22934
diff changeset
1278 generaldelta = self._generaldelta
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d
Mateusz Kwapich <mitrandir@fb.com>
parents: 22934
diff changeset
1279 iterrev = rev
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d
Mateusz Kwapich <mitrandir@fb.com>
parents: 22934
diff changeset
1280 e = index[iterrev]
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d
Mateusz Kwapich <mitrandir@fb.com>
parents: 22934
diff changeset
1281 clen = 0
23286
40e0067899d4 revlog: compute length of compressed deltas along with chain length
Siddharth Agarwal <sid0@fb.com>
parents: 23285
diff changeset
1282 compresseddeltalen = 0
23254
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d
Mateusz Kwapich <mitrandir@fb.com>
parents: 22934
diff changeset
1283 while iterrev != e[3]:
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d
Mateusz Kwapich <mitrandir@fb.com>
parents: 22934
diff changeset
1284 clen += 1
23286
40e0067899d4 revlog: compute length of compressed deltas along with chain length
Siddharth Agarwal <sid0@fb.com>
parents: 23285
diff changeset
1285 compresseddeltalen += e[1]
23254
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d
Mateusz Kwapich <mitrandir@fb.com>
parents: 22934
diff changeset
1286 if generaldelta:
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d
Mateusz Kwapich <mitrandir@fb.com>
parents: 22934
diff changeset
1287 iterrev = e[3]
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d
Mateusz Kwapich <mitrandir@fb.com>
parents: 22934
diff changeset
1288 else:
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d
Mateusz Kwapich <mitrandir@fb.com>
parents: 22934
diff changeset
1289 iterrev -= 1
23306
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452)
Siddharth Agarwal <sid0@fb.com>
parents: 23288
diff changeset
1290 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
1291 t = chaininfocache[iterrev]
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452)
Siddharth Agarwal <sid0@fb.com>
parents: 23288
diff changeset
1292 clen += t[0]
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452)
Siddharth Agarwal <sid0@fb.com>
parents: 23288
diff changeset
1293 compresseddeltalen += t[1]
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452)
Siddharth Agarwal <sid0@fb.com>
parents: 23288
diff changeset
1294 break
23254
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d
Mateusz Kwapich <mitrandir@fb.com>
parents: 22934
diff changeset
1295 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
1296 else:
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452)
Siddharth Agarwal <sid0@fb.com>
parents: 23288
diff changeset
1297 # 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
1298 # 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
1299 compresseddeltalen += e[1]
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452)
Siddharth Agarwal <sid0@fb.com>
parents: 23288
diff changeset
1300 r = (clen, compresseddeltalen)
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452)
Siddharth Agarwal <sid0@fb.com>
parents: 23288
diff changeset
1301 chaininfocache[rev] = r
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452)
Siddharth Agarwal <sid0@fb.com>
parents: 23288
diff changeset
1302 return r
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452)
Siddharth Agarwal <sid0@fb.com>
parents: 23288
diff changeset
1303
27468
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
1304 def _deltachain(self, rev, stoprev=None):
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
1305 """Obtain the delta chain for a revision.
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
1306
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
1307 ``stoprev`` specifies a revision to stop at. If not specified, we
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
1308 stop at the base of the chain.
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
1309
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
1310 Returns a 2-tuple of (chain, stopped) where ``chain`` is a list of
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
1311 revs in ascending order and ``stopped`` is a bool indicating whether
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
1312 ``stoprev`` was hit.
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
1313 """
33173
6d678ab1b10d revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32987
diff changeset
1314 # Try C implementation.
6d678ab1b10d revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32987
diff changeset
1315 try:
6d678ab1b10d revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32987
diff changeset
1316 return self.index.deltachain(rev, stoprev, self._generaldelta)
6d678ab1b10d revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32987
diff changeset
1317 except AttributeError:
6d678ab1b10d revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32987
diff changeset
1318 pass
6d678ab1b10d revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32987
diff changeset
1319
27468
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
1320 chain = []
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
1321
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
1322 # Alias to prevent attribute lookup in tight loop.
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
1323 index = self.index
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
1324 generaldelta = self._generaldelta
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
1325
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
1326 iterrev = rev
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
1327 e = index[iterrev]
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
1328 while iterrev != e[3] and iterrev != stoprev:
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
1329 chain.append(iterrev)
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
1330 if generaldelta:
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
1331 iterrev = e[3]
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
1332 else:
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
1333 iterrev -= 1
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
1334 e = index[iterrev]
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
1335
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
1336 if iterrev == stoprev:
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
1337 stopped = True
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
1338 else:
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
1339 chain.append(iterrev)
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
1340 stopped = False
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
1341
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
1342 chain.reverse()
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
1343 return chain, stopped
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
1344
18081
f88c60e740a1 revlog.ancestors: add support for including revs
Siddharth Agarwal <sid0@fb.com>
parents: 17975
diff changeset
1345 def ancestors(self, revs, stoprev=0, inclusive=False):
40772
8947f49daaa8 revlog: update the docstring of `ancestors` to match reality
Boris Feld <boris.feld@octobus.net>
parents: 40671
diff changeset
1346 """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
1347 Does not generate revs lower than stoprev.
10047
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
1348
18090
9abc55ef85b5 revlog: move ancestor generation out to a new class
Siddharth Agarwal <sid0@fb.com>
parents: 18083
diff changeset
1349 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
1350
40152
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each
Yuya Nishihara <yuya@tcha.org>
parents: 40057
diff changeset
1351 # 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: 40057
diff changeset
1352 revs = list(revs)
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each
Yuya Nishihara <yuya@tcha.org>
parents: 40057
diff changeset
1353 checkrev = self.node
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each
Yuya Nishihara <yuya@tcha.org>
parents: 40057
diff changeset
1354 for r in revs:
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each
Yuya Nishihara <yuya@tcha.org>
parents: 40057
diff changeset
1355 checkrev(r)
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each
Yuya Nishihara <yuya@tcha.org>
parents: 40057
diff changeset
1356 # and we're sure ancestors aren't filtered as well
41118
536c83535cbd rust-cpython: using the new bindings from Python
Georges Racinet <gracinet@anybox.fr>
parents: 41089
diff changeset
1357
47280
6be2a7ca4b1d revlog: do not call Rust code if the index is not compatible with it
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47277
diff changeset
1358 if rustancestor is not None and self.index.rust_ext_compat:
42468
a3a8887e4426 rust: using policy.importrust from Python callers
Georges Racinet <georges.racinet@octobus.net>
parents: 42462
diff changeset
1359 lazyancestors = rustancestor.LazyAncestors
41118
536c83535cbd rust-cpython: using the new bindings from Python
Georges Racinet <gracinet@anybox.fr>
parents: 41089
diff changeset
1360 arg = self.index
536c83535cbd rust-cpython: using the new bindings from Python
Georges Racinet <gracinet@anybox.fr>
parents: 41089
diff changeset
1361 else:
536c83535cbd rust-cpython: using the new bindings from Python
Georges Racinet <gracinet@anybox.fr>
parents: 41089
diff changeset
1362 lazyancestors = ancestor.lazyancestors
536c83535cbd rust-cpython: using the new bindings from Python
Georges Racinet <gracinet@anybox.fr>
parents: 41089
diff changeset
1363 arg = self._uncheckedparentrevs
536c83535cbd rust-cpython: using the new bindings from Python
Georges Racinet <gracinet@anybox.fr>
parents: 41089
diff changeset
1364 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
1365
16867
1093ad1e8903 revlog: descendants(*revs) becomes descendants(revs) (API)
Bryan O'Sullivan <bryano@fb.com>
parents: 16866
diff changeset
1366 def descendants(self, revs):
40000
0b24fcd88066 dagop: extract descendants() from revlog module
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39913
diff changeset
1367 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
1368
13741
b51bf961b3cb wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13400
diff changeset
1369 def findcommonmissing(self, common=None, heads=None):
b51bf961b3cb wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13400
diff changeset
1370 """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
1371 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
1372 tuple:
10047
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
1373
15835
fa15869bf95c revlog: improve docstring for findcommonmissing
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 15827
diff changeset
1374 ::common, (::heads) - (::common)
7233
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
1375
10047
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
1376 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
1377 topologically sorted.
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
1378
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
1379 '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
1380 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
1381 supplied, uses nullid."""
7233
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
1382 if common is None:
47055
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
1383 common = [self.nullid]
7233
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
1384 if heads is None:
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
1385 heads = self.heads()
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
1386
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
1387 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
1388 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
1389
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
1390 # we want the ancestors, but inclusive
49037
642e31cb55f0 py3: use class X: instead of class X(object):
Gregory Szorc <gregory.szorc@gmail.com>
parents: 49019
diff changeset
1391 class lazyset:
20073
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
1392 def __init__(self, lazyvalues):
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
1393 self.addedvalues = set()
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
1394 self.lazyvalues = lazyvalues
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
1395
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
1396 def __contains__(self, value):
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
1397 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
1398
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
1399 def __iter__(self):
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
1400 added = self.addedvalues
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
1401 for r in added:
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
1402 yield r
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
1403 for r in self.lazyvalues:
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
1404 if not r in added:
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
1405 yield r
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
1406
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
1407 def add(self, value):
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
1408 self.addedvalues.add(value)
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
1409
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
1410 def update(self, values):
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
1411 self.addedvalues.update(values)
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
1412
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
1413 has = lazyset(self.ancestors(common))
8152
08e1baf924ca replace set-like dictionaries with real sets
Martin Geisler <mg@lazybytes.net>
parents: 8150
diff changeset
1414 has.add(nullrev)
08e1baf924ca replace set-like dictionaries with real sets
Martin Geisler <mg@lazybytes.net>
parents: 8150
diff changeset
1415 has.update(common)
7233
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
1416
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
1417 # 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
1418 missing = set()
25113
0ca8410ea345 util: drop alias for collections.deque
Martin von Zweigbergk <martinvonz@google.com>
parents: 24454
diff changeset
1419 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
1420 while visit:
16803
107a3270a24a cleanup: use the deque type where appropriate
Bryan O'Sullivan <bryano@fb.com>
parents: 16786
diff changeset
1421 r = visit.popleft()
7233
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
1422 if r in missing:
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
1423 continue
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
1424 else:
8453
d1ca637b0773 revlog.missing(): use sets instead of a dict
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 8391
diff changeset
1425 missing.add(r)
7233
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
1426 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
1427 if p not in has:
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
1428 visit.append(p)
8453
d1ca637b0773 revlog.missing(): use sets instead of a dict
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 8391
diff changeset
1429 missing = list(missing)
7233
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
1430 missing.sort()
30401
2ded17b64f09 revlog: avoid shadowing several variables using list comprehensions
Augie Fackler <augie@google.com>
parents: 30303
diff changeset
1431 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
1432
23337
3a8a763f4197 revlog: add a method to get missing revs incrementally
Siddharth Agarwal <sid0@fb.com>
parents: 23328
diff changeset
1433 def incrementalmissingrevs(self, common=None):
3a8a763f4197 revlog: add a method to get missing revs incrementally
Siddharth Agarwal <sid0@fb.com>
parents: 23328
diff changeset
1434 """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
1435 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
1436 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
1437 object.
3a8a763f4197 revlog: add a method to get missing revs incrementally
Siddharth Agarwal <sid0@fb.com>
parents: 23328
diff changeset
1438
3a8a763f4197 revlog: add a method to get missing revs incrementally
Siddharth Agarwal <sid0@fb.com>
parents: 23328
diff changeset
1439 '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
1440 nullrev.
3a8a763f4197 revlog: add a method to get missing revs incrementally
Siddharth Agarwal <sid0@fb.com>
parents: 23328
diff changeset
1441 """
3a8a763f4197 revlog: add a method to get missing revs incrementally
Siddharth Agarwal <sid0@fb.com>
parents: 23328
diff changeset
1442 if common is None:
3a8a763f4197 revlog: add a method to get missing revs incrementally
Siddharth Agarwal <sid0@fb.com>
parents: 23328
diff changeset
1443 common = [nullrev]
3a8a763f4197 revlog: add a method to get missing revs incrementally
Siddharth Agarwal <sid0@fb.com>
parents: 23328
diff changeset
1444
47280
6be2a7ca4b1d revlog: do not call Rust code if the index is not compatible with it
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47277
diff changeset
1445 if rustancestor is not None and self.index.rust_ext_compat:
42468
a3a8887e4426 rust: using policy.importrust from Python callers
Georges Racinet <georges.racinet@octobus.net>
parents: 42462
diff changeset
1446 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
1447 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
1448
17972
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
1449 def findmissingrevs(self, common=None, heads=None):
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
1450 """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
1451 are not ancestors of common.
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
1452
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
1453 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
1454 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
1455
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
1456 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
1457 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
1458
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
1459 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
1460 topologically sorted.
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
1461
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
1462 '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
1463 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
1464 supplied, uses nullid."""
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
1465 if common is None:
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
1466 common = [nullrev]
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
1467 if heads is None:
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
1468 heads = self.headrevs()
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
1469
23338
d8f5b2f50f41 revlog: switch findmissing* methods to incrementalmissingrevs
Siddharth Agarwal <sid0@fb.com>
parents: 23337
diff changeset
1470 inc = self.incrementalmissingrevs(common=common)
d8f5b2f50f41 revlog: switch findmissing* methods to incrementalmissingrevs
Siddharth Agarwal <sid0@fb.com>
parents: 23337
diff changeset
1471 return inc.missingancestors(heads)
17972
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
1472
13741
b51bf961b3cb wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13400
diff changeset
1473 def findmissing(self, common=None, heads=None):
b51bf961b3cb wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13400
diff changeset
1474 """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
1475
b51bf961b3cb wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13400
diff changeset
1476 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
1477 satisfies the following constraints:
b51bf961b3cb wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13400
diff changeset
1478
b51bf961b3cb wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13400
diff changeset
1479 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
1480 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
1481
b51bf961b3cb wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13400
diff changeset
1482 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
1483 topologically sorted.
b51bf961b3cb wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13400
diff changeset
1484
b51bf961b3cb wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13400
diff changeset
1485 '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
1486 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
1487 supplied, uses nullid."""
17971
e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors
Siddharth Agarwal <sid0@fb.com>
parents: 17951
diff changeset
1488 if common is None:
47055
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
1489 common = [self.nullid]
17971
e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors
Siddharth Agarwal <sid0@fb.com>
parents: 17951
diff changeset
1490 if heads is None:
e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors
Siddharth Agarwal <sid0@fb.com>
parents: 17951
diff changeset
1491 heads = self.heads()
e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors
Siddharth Agarwal <sid0@fb.com>
parents: 17951
diff changeset
1492
e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors
Siddharth Agarwal <sid0@fb.com>
parents: 17951
diff changeset
1493 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
1494 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
1495
23338
d8f5b2f50f41 revlog: switch findmissing* methods to incrementalmissingrevs
Siddharth Agarwal <sid0@fb.com>
parents: 23337
diff changeset
1496 inc = self.incrementalmissingrevs(common=common)
d8f5b2f50f41 revlog: switch findmissing* methods to incrementalmissingrevs
Siddharth Agarwal <sid0@fb.com>
parents: 23337
diff changeset
1497 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
1498
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1499 def nodesbetween(self, roots=None, heads=None):
10047
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
1500 """Return a topological path from 'roots' to 'heads'.
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
1501
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
1502 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
1503 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
1504 these constraints:
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
1505
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
1506 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
1507 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
1508
10047
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
1509 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
1510 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
1511 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
1512
10047
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
1513 '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
1514 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
1515 '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
1516
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
1517 '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
1518 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
1519 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
1520 nonodes = ([], [], [])
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1521 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
1522 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
1523 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
1524 return nonodes
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1525 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
1526 else:
47055
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
1527 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
1528 lowestrev = nullrev
3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3508
diff changeset
1529 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
1530 # We want _all_ the nodes!
47055
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
1531 return (
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
1532 [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
1533 [self.nullid],
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
1534 list(self.heads()),
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
1535 )
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1536 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
1537 # 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
1538 # node.
6750
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog
Matt Mackall <mpm@selenic.com>
parents: 6703
diff changeset
1539 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
1540 # 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
1541 ancestors = None
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1542 # 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
1543 heads = {}
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1544 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
1545 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
1546 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
1547 return nonodes
8464
7af92e70bb25 revlog: use set instead of dict
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 8453
diff changeset
1548 ancestors = set()
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1549 # 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
1550 # 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
1551 # find from roots.
14219
c33427080671 revlog: use real Booleans instead of 0/1 in nodesbetween
Martin Geisler <mg@aragost.com>
parents: 14208
diff changeset
1552 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
1553 # 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
1554 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
1555 # 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
1556 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
1557 while nodestotag:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1558 # 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
1559 n = nodestotag.pop()
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1560 # Never tag nullid
47055
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
1561 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
1562 continue
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1563 # 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
1564 # 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
1565 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
1566 if r >= lowestrev:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1567 if n not in ancestors:
14549
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
1568 # 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
1569 # 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
1570 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
1571 # 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
1572 nodestotag.update(
47055
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
1573 [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
1574 )
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1575 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
1576 # 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
1577 # any other heads.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1578 heads.pop(n)
1459
106fdec8e1fb Fix small bug in nodesbetween if heads is [nullid].
Eric Hopper <hopper@omnifarious.org>
parents: 1458
diff changeset
1579 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
1580 return nonodes
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1581 # 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
1582 # 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
1583
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1584 # 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
1585 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
1586 # 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
1587 # 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
1588
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1589 # Filter out roots that aren't ancestors of heads
30401
2ded17b64f09 revlog: avoid shadowing several variables using list comprehensions
Augie Fackler <augie@google.com>
parents: 30303
diff changeset
1590 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
1591 # 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
1592 if roots:
30401
2ded17b64f09 revlog: avoid shadowing several variables using list comprehensions
Augie Fackler <augie@google.com>
parents: 30303
diff changeset
1593 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
1594 else:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1595 # 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
1596 return nonodes
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1597 else:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1598 # 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
1599 # 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
1600 lowestrev = nullrev
47055
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
1601 roots = [self.nullid]
8152
08e1baf924ca replace set-like dictionaries with real sets
Martin Geisler <mg@lazybytes.net>
parents: 8150
diff changeset
1602 # Transform our roots list into a set.
14549
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
1603 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
1604 # 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
1605 # '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
1606 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
1607 # 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
1608 orderedout = []
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1609 # 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
1610 # 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
1611 # 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
1612 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
1613 n = self.node(r)
14549
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
1614 isdescendant = False
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
1615 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
1616 isdescendant = True
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
1617 elif n in descendants:
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
1618 # n is already a descendant
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
1619 isdescendant = True
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1620 # 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
1621 # 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
1622 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
1623 # 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
1624 p = tuple(self.parents(n))
14549
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
1625 # 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
1626 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
1627 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
1628 else:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1629 p = tuple(self.parents(n))
14549
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
1630 # 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
1631 # 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
1632 # up there, remember?)
14549
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
1633 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
1634 descendants.add(n)
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
1635 isdescendant = True
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
1636 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
1637 # 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
1638 orderedout.append(n)
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1639 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
1640 # 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
1641 # from roots.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1642 # 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
1643 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
1644 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
1645 # 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
1646 # 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
1647 # 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
1648 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
1649 # 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
1650 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
1651 heads.pop(p, None)
49004
f254fc73d956 global: bulk replace simple pycompat.iteritems(x) with x.items()
Gregory Szorc <gregory.szorc@gmail.com>
parents: 48966
diff changeset
1652 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
1653 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
1654 assert orderedout
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1655 assert roots
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1656 assert heads
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1657 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
1658
41275
1421d0487a61 revlog: accept a revs argument in `headrevs`
Boris Feld <boris.feld@octobus.net>
parents: 41247
diff changeset
1659 def headrevs(self, revs=None):
1421d0487a61 revlog: accept a revs argument in `headrevs`
Boris Feld <boris.feld@octobus.net>
parents: 41247
diff changeset
1660 if revs is None:
1421d0487a61 revlog: accept a revs argument in `headrevs`
Boris Feld <boris.feld@octobus.net>
parents: 41247
diff changeset
1661 try:
1421d0487a61 revlog: accept a revs argument in `headrevs`
Boris Feld <boris.feld@octobus.net>
parents: 41247
diff changeset
1662 return self.index.headrevs()
1421d0487a61 revlog: accept a revs argument in `headrevs`
Boris Feld <boris.feld@octobus.net>
parents: 41247
diff changeset
1663 except AttributeError:
1421d0487a61 revlog: accept a revs argument in `headrevs`
Boris Feld <boris.feld@octobus.net>
parents: 41247
diff changeset
1664 return self._headrevs()
47280
6be2a7ca4b1d revlog: do not call Rust code if the index is not compatible with it
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47277
diff changeset
1665 if rustdagop is not None and self.index.rust_ext_compat:
42468
a3a8887e4426 rust: using policy.importrust from Python callers
Georges Racinet <georges.racinet@octobus.net>
parents: 42462
diff changeset
1666 return rustdagop.headrevs(self.index, revs)
41772
6843379bf99e changelog: prefilter in headrevs()
Georges Racinet <georges.racinet@octobus.net>
parents: 41700
diff changeset
1667 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
1668
24444
27e3ba73fbb1 phase: default to C implementation for phase computation
Laurent Charignon <lcharignon@fb.com>
parents: 24255
diff changeset
1669 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
1670 return self.index.computephasesmapsets(roots)
24444
27e3ba73fbb1 phase: default to C implementation for phase computation
Laurent Charignon <lcharignon@fb.com>
parents: 24255
diff changeset
1671
17674
e69274f8d444 clfilter: split `revlog.headrevs` C call from python code
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17673
diff changeset
1672 def _headrevs(self):
14164
cb98fed52495 discovery: add new set-based discovery
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 14144
diff changeset
1673 count = len(self)
cb98fed52495 discovery: add new set-based discovery
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 14144
diff changeset
1674 if not count:
cb98fed52495 discovery: add new set-based discovery
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 14144
diff changeset
1675 return [nullrev]
17673
d686c6876ef6 clfilter: handle non contiguous iteration in `revlov.headrevs`
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17672
diff changeset
1676 # 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
1677 ishead = [0] * (count + 1)
14164
cb98fed52495 discovery: add new set-based discovery
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 14144
diff changeset
1678 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
1679 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
1680 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
1681 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
1682 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
1683 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
1684
3923
27230c29bfec fix calculation of new heads added during push with -r
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3755
diff changeset
1685 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
1686 """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
1687
e793cbc8be00 Fixes to "hg heads -r FOO":
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1550
diff changeset
1688 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
1689 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
1690 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
1691 as if they had no children
1551
e793cbc8be00 Fixes to "hg heads -r FOO":
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1550
diff changeset
1692 """
4991
9c8c42bcf17a revlog: implement a fast path for heads
Matt Mackall <mpm@selenic.com>
parents: 4990
diff changeset
1693 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
1694 if not len(self):
47055
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
1695 return [self.nullid]
14164
cb98fed52495 discovery: add new set-based discovery
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 14144
diff changeset
1696 return [self.node(r) for r in self.headrevs()]
4991
9c8c42bcf17a revlog: implement a fast path for heads
Matt Mackall <mpm@selenic.com>
parents: 4990
diff changeset
1697
1551
e793cbc8be00 Fixes to "hg heads -r FOO":
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1550
diff changeset
1698 if start is None:
40001
8af835af0a85 dagop: extract DAG local heads functionality from revlog
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40000
diff changeset
1699 start = nullrev
8af835af0a85 dagop: extract DAG local heads functionality from revlog
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40000
diff changeset
1700 else:
8af835af0a85 dagop: extract DAG local heads functionality from revlog
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40000
diff changeset
1701 start = self.rev(start)
8af835af0a85 dagop: extract DAG local heads functionality from revlog
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40000
diff changeset
1702
44470
9d2b2df2c2ba cleanup: run pyupgrade on our source tree to clean up varying things
Augie Fackler <augie@google.com>
parents: 44465
diff changeset
1703 stoprevs = {self.rev(n) for n in stop or []}
40001
8af835af0a85 dagop: extract DAG local heads functionality from revlog
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40000
diff changeset
1704
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1705 revs = dagop.headrevssubset(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1706 self.revs, self.parentrevs, startrev=start, stoprevs=stoprevs
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1707 )
40001
8af835af0a85 dagop: extract DAG local heads functionality from revlog
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40000
diff changeset
1708
8af835af0a85 dagop: extract DAG local heads functionality from revlog
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40000
diff changeset
1709 return [self.node(rev) for rev in revs]
370
c90385d82aec revlog: add a children function
mpm@selenic.com
parents: 330
diff changeset
1710
c90385d82aec revlog: add a children function
mpm@selenic.com
parents: 330
diff changeset
1711 def children(self, node):
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1712 """find the children of a given node"""
370
c90385d82aec revlog: add a children function
mpm@selenic.com
parents: 330
diff changeset
1713 c = []
c90385d82aec revlog: add a children function
mpm@selenic.com
parents: 330
diff changeset
1714 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
1715 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
1716 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
1717 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
1718 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
1719 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
1720 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
1721 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
1722 c.append(self.node(r))
370
c90385d82aec revlog: add a children function
mpm@selenic.com
parents: 330
diff changeset
1723 return c
515
03f27b1381f9 Whitespace cleanups
mpm@selenic.com
parents: 484
diff changeset
1724
21104
40ace21cb3a1 revlog: introduce commonancestorsheads method
Mads Kiilerich <madski@unity3d.com>
parents: 20965
diff changeset
1725 def commonancestorsheads(self, a, b):
40ace21cb3a1 revlog: introduce commonancestorsheads method
Mads Kiilerich <madski@unity3d.com>
parents: 20965
diff changeset
1726 """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
1727 a, b = self.rev(a), self.rev(b)
38516
99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads
Boris Feld <boris.feld@octobus.net>
parents: 38515
diff changeset
1728 ancs = self._commonancestorsheads(a, b)
99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads
Boris Feld <boris.feld@octobus.net>
parents: 38515
diff changeset
1729 return pycompat.maplist(self.node, ancs)
99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads
Boris Feld <boris.feld@octobus.net>
parents: 38515
diff changeset
1730
99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads
Boris Feld <boris.feld@octobus.net>
parents: 38515
diff changeset
1731 def _commonancestorsheads(self, *revs):
99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads
Boris Feld <boris.feld@octobus.net>
parents: 38515
diff changeset
1732 """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
1733 try:
38516
99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads
Boris Feld <boris.feld@octobus.net>
parents: 38515
diff changeset
1734 ancs = self.index.commonancestorsheads(*revs)
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1735 except (AttributeError, OverflowError): # C implementation failed
38516
99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads
Boris Feld <boris.feld@octobus.net>
parents: 38515
diff changeset
1736 ancs = ancestor.commonancestorsheads(self.parentrevs, *revs)
99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads
Boris Feld <boris.feld@octobus.net>
parents: 38515
diff changeset
1737 return ancs
21104
40ace21cb3a1 revlog: introduce commonancestorsheads method
Mads Kiilerich <madski@unity3d.com>
parents: 20965
diff changeset
1738
22381
392ae5cb8d62 revlog: introduce isancestor method for efficiently determining node lineage
Mads Kiilerich <madski@unity3d.com>
parents: 22282
diff changeset
1739 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
1740 """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
1741
160da69ba1bf revlog: replace descendant(b, a) by isdescendantrev(a, b) (API)
Martin von Zweigbergk <martinvonz@google.com>
parents: 38663
diff changeset
1742 A revision is considered an ancestor of itself."""
38518
cc3543c87de5 revlog: reuse 'descendant' implemention in 'isancestor'
Boris Feld <boris.feld@octobus.net>
parents: 38517
diff changeset
1743 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
1744 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
1745
a06b2b032557 revlog: introduce a isancestorrev() and use it in rebase
Martin von Zweigbergk <martinvonz@google.com>
parents: 38665
diff changeset
1746 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
1747 """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
1748
38668
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev()
Martin von Zweigbergk <martinvonz@google.com>
parents: 38666
diff changeset
1749 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
1750
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev()
Martin von Zweigbergk <martinvonz@google.com>
parents: 38666
diff changeset
1751 The implementation of this is trivial but the use of
42462
055c3e2c44f0 revlog: speed up isancestor
Valentin Gatien-Baron <vgatien-baron@janestreet.com>
parents: 42044
diff changeset
1752 reachableroots is not."""
38668
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev()
Martin von Zweigbergk <martinvonz@google.com>
parents: 38666
diff changeset
1753 if a == nullrev:
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev()
Martin von Zweigbergk <martinvonz@google.com>
parents: 38666
diff changeset
1754 return True
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev()
Martin von Zweigbergk <martinvonz@google.com>
parents: 38666
diff changeset
1755 elif a == b:
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev()
Martin von Zweigbergk <martinvonz@google.com>
parents: 38666
diff changeset
1756 return True
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev()
Martin von Zweigbergk <martinvonz@google.com>
parents: 38666
diff changeset
1757 elif a > b:
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev()
Martin von Zweigbergk <martinvonz@google.com>
parents: 38666
diff changeset
1758 return False
42462
055c3e2c44f0 revlog: speed up isancestor
Valentin Gatien-Baron <vgatien-baron@janestreet.com>
parents: 42044
diff changeset
1759 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
1760
055c3e2c44f0 revlog: speed up isancestor
Valentin Gatien-Baron <vgatien-baron@janestreet.com>
parents: 42044
diff changeset
1761 def reachableroots(self, minroot, heads, roots, includepath=False):
43799
2e30d7df4809 revlog: fix revset in reachableroots docstring
Jun Wu <quark@fb.com>
parents: 43663
diff changeset
1762 """return (heads(::(<roots> and <roots>::<heads>)))
42462
055c3e2c44f0 revlog: speed up isancestor
Valentin Gatien-Baron <vgatien-baron@janestreet.com>
parents: 42044
diff changeset
1763
055c3e2c44f0 revlog: speed up isancestor
Valentin Gatien-Baron <vgatien-baron@janestreet.com>
parents: 42044
diff changeset
1764 If includepath is True, return (<roots>::<heads>)."""
055c3e2c44f0 revlog: speed up isancestor
Valentin Gatien-Baron <vgatien-baron@janestreet.com>
parents: 42044
diff changeset
1765 try:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1766 return self.index.reachableroots2(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1767 minroot, heads, roots, includepath
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1768 )
42462
055c3e2c44f0 revlog: speed up isancestor
Valentin Gatien-Baron <vgatien-baron@janestreet.com>
parents: 42044
diff changeset
1769 except AttributeError:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1770 return dagop._reachablerootspure(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1771 self.parentrevs, minroot, roots, heads, includepath
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1772 )
22381
392ae5cb8d62 revlog: introduce isancestor method for efficiently determining node lineage
Mads Kiilerich <madski@unity3d.com>
parents: 22282
diff changeset
1773
21107
4a6c8b6b10d3 revlog: backout 514d32de6646 - commonancestors
Mads Kiilerich <madski@unity3d.com>
parents: 21104
diff changeset
1774 def ancestor(self, a, b):
22389
94f77624dbb5 comments: describe ancestor consistently - avoid 'least common ancestor'
Mads Kiilerich <madski@unity3d.com>
parents: 22381
diff changeset
1775 """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
1776
10897
adb6a291bbdb revlog: put graph related functions together
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 10404
diff changeset
1777 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
1778 try:
5bae936764bb parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents: 18987
diff changeset
1779 ancs = self.index.ancestors(a, b)
21107
4a6c8b6b10d3 revlog: backout 514d32de6646 - commonancestors
Mads Kiilerich <madski@unity3d.com>
parents: 21104
diff changeset
1780 except (AttributeError, OverflowError):
18988
5bae936764bb parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents: 18987
diff changeset
1781 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
1782 if ancs:
3605d4e7e618 revlog: choose a consistent ancestor when there's a tie
Bryan O'Sullivan <bryano@fb.com>
parents: 18986
diff changeset
1783 # choose a consistent winner when there's a tie
21107
4a6c8b6b10d3 revlog: backout 514d32de6646 - commonancestors
Mads Kiilerich <madski@unity3d.com>
parents: 21104
diff changeset
1784 return min(map(self.node, ancs))
47055
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
1785 return self.nullid
10897
adb6a291bbdb revlog: put graph related functions together
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 10404
diff changeset
1786
3453
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
1787 def _match(self, id):
16762
93f8b9565257 revlog: don't handle long for revision matching
Matt Mackall <mpm@selenic.com>
parents: 16686
diff changeset
1788 if isinstance(id, int):
3156
d01e4cb2f5f2 cleanups in revlog.lookup
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3139
diff changeset
1789 # 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
1790 return self.node(id)
47082
c5e1cc0b4c77 core: don't hard-code node length
Joerg Sonnenberger <joerg@bec.de>
parents: 47081
diff changeset
1791 if len(id) == self.nodeconstants.nodelen:
3438
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
1792 # possibly a binary node
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
1793 # 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
1794 try:
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
1795 node = id
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1796 self.rev(node) # quick search the index
3438
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
1797 return node
39791
974592474dee revlog: drop LookupError alias (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39790
diff changeset
1798 except error.LookupError:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1799 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
1800 try:
3156
d01e4cb2f5f2 cleanups in revlog.lookup
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3139
diff changeset
1801 # str(rev)
36
da28286bf6b7 Add smart node lookup by substring or by rev number
mpm@selenic.com
parents: 26
diff changeset
1802 rev = int(id)
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
1803 if b"%d" % rev != id:
4980
fc44c8df9d99 revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents: 4979
diff changeset
1804 raise ValueError
fc44c8df9d99 revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents: 4979
diff changeset
1805 if rev < 0:
6750
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog
Matt Mackall <mpm@selenic.com>
parents: 6703
diff changeset
1806 rev = len(self) + rev
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog
Matt Mackall <mpm@selenic.com>
parents: 6703
diff changeset
1807 if rev < 0 or rev >= len(self):
4980
fc44c8df9d99 revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents: 4979
diff changeset
1808 raise ValueError
36
da28286bf6b7 Add smart node lookup by substring or by rev number
mpm@selenic.com
parents: 26
diff changeset
1809 return self.node(rev)
469
e205194ca7ef Various node id lookup tweaks
mpm@selenic.com
parents: 451
diff changeset
1810 except (ValueError, OverflowError):
3156
d01e4cb2f5f2 cleanups in revlog.lookup
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3139
diff changeset
1811 pass
47081
a407fe56d6e8 core: don't hard-code hex node lengths
Joerg Sonnenberger <joerg@bec.de>
parents: 47079
diff changeset
1812 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
1813 try:
3438
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
1814 # a full hex nodeid?
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
1815 node = bin(id)
7874
d812029cda85 cleanup: drop variables for unused return values
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 7873
diff changeset
1816 self.rev(node)
3157
4fe41a9e4591 optimize revlog.lookup when passed hex(node)[:...]
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3156
diff changeset
1817 return node
49263
63fd0282ad40 node: stop converting binascii.Error to TypeError in bin()
Manuel Jacob <me@manueljacob.de>
parents: 49262
diff changeset
1818 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
1819 pass
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
1820
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
1821 def _partialmatch(self, id):
37449
a0d71618074f revlog: detect pseudo file nodeids to raise WdirUnsupported exception
Yuya Nishihara <yuya@tcha.org>
parents: 37443
diff changeset
1822 # we don't care wdirfilenodeids as they should be always full hash
47055
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
1823 maybewdir = self.nodeconstants.wdirhex.startswith(id)
47305
93a0abe098e7 revlog: avoid raising no-arg RevlogError for internal flow control
Martin von Zweigbergk <martinvonz@google.com>
parents: 47296
diff changeset
1824 ambiguous = False
16665
e410be860393 revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents: 16533
diff changeset
1825 try:
30401
2ded17b64f09 revlog: avoid shadowing several variables using list comprehensions
Augie Fackler <augie@google.com>
parents: 30303
diff changeset
1826 partial = self.index.partialmatch(id)
2ded17b64f09 revlog: avoid shadowing several variables using list comprehensions
Augie Fackler <augie@google.com>
parents: 30303
diff changeset
1827 if partial and self.hasnode(partial):
32704
af854b1b36f8 revlog: add support for partial matching of wdir node id
Yuya Nishihara <yuya@tcha.org>
parents: 32679
diff changeset
1828 if maybewdir:
af854b1b36f8 revlog: add support for partial matching of wdir node id
Yuya Nishihara <yuya@tcha.org>
parents: 32679
diff changeset
1829 # single 'ff...' match in radix tree, ambiguous with wdir
47305
93a0abe098e7 revlog: avoid raising no-arg RevlogError for internal flow control
Martin von Zweigbergk <martinvonz@google.com>
parents: 47296
diff changeset
1830 ambiguous = True
93a0abe098e7 revlog: avoid raising no-arg RevlogError for internal flow control
Martin von Zweigbergk <martinvonz@google.com>
parents: 47296
diff changeset
1831 else:
93a0abe098e7 revlog: avoid raising no-arg RevlogError for internal flow control
Martin von Zweigbergk <martinvonz@google.com>
parents: 47296
diff changeset
1832 return partial
93a0abe098e7 revlog: avoid raising no-arg RevlogError for internal flow control
Martin von Zweigbergk <martinvonz@google.com>
parents: 47296
diff changeset
1833 elif maybewdir:
32704
af854b1b36f8 revlog: add support for partial matching of wdir node id
Yuya Nishihara <yuya@tcha.org>
parents: 32679
diff changeset
1834 # 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: 32679
diff changeset
1835 raise error.WdirUnsupported
47305
93a0abe098e7 revlog: avoid raising no-arg RevlogError for internal flow control
Martin von Zweigbergk <martinvonz@google.com>
parents: 47296
diff changeset
1836 else:
93a0abe098e7 revlog: avoid raising no-arg RevlogError for internal flow control
Martin von Zweigbergk <martinvonz@google.com>
parents: 47296
diff changeset
1837 return None
39789
2cd93a8d4bde revlog: drop RevlogError alias (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39785
diff changeset
1838 except error.RevlogError:
16665
e410be860393 revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents: 16533
diff changeset
1839 # 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
1840 # 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
1841 if not getattr(self, 'filteredrevs', None):
47305
93a0abe098e7 revlog: avoid raising no-arg RevlogError for internal flow control
Martin von Zweigbergk <martinvonz@google.com>
parents: 47296
diff changeset
1842 ambiguous = True
19471
fd1bb7c1be78 revlog: handle hidden revs in _partialmatch (issue3979)
Matt Mackall <mpm@selenic.com>
parents: 19326
diff changeset
1843 # 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
1844 except (AttributeError, ValueError):
49448
5fe7e9eda0f3 revlog: make _partialmatch fail fast on almost-hex inputs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 49314
diff changeset
1845 # 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
1846 pass
47305
93a0abe098e7 revlog: avoid raising no-arg RevlogError for internal flow control
Martin von Zweigbergk <martinvonz@google.com>
parents: 47296
diff changeset
1847 if ambiguous:
93a0abe098e7 revlog: avoid raising no-arg RevlogError for internal flow control
Martin von Zweigbergk <martinvonz@google.com>
parents: 47296
diff changeset
1848 raise error.AmbiguousPrefixLookupError(
93a0abe098e7 revlog: avoid raising no-arg RevlogError for internal flow control
Martin von Zweigbergk <martinvonz@google.com>
parents: 47296
diff changeset
1849 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: 47296
diff changeset
1850 )
16665
e410be860393 revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents: 16533
diff changeset
1851
13258
c2661863f16f revlog: introduce a cache for partial lookups
Matt Mackall <mpm@selenic.com>
parents: 13254
diff changeset
1852 if id in self._pcache:
c2661863f16f revlog: introduce a cache for partial lookups
Matt Mackall <mpm@selenic.com>
parents: 13254
diff changeset
1853 return self._pcache[id]
c2661863f16f revlog: introduce a cache for partial lookups
Matt Mackall <mpm@selenic.com>
parents: 13254
diff changeset
1854
37819
ee3d58b4a47f revlog: make pure version of _partialmatch() support 40-byte hex nodeids
Martin von Zweigbergk <martinvonz@google.com>
parents: 37767
diff changeset
1855 if len(id) <= 40:
49262
3e5f1fb2aec7 revlog: make try block smaller
Manuel Jacob <me@manueljacob.de>
parents: 49261
diff changeset
1856 # hex(node)[:...]
3e5f1fb2aec7 revlog: make try block smaller
Manuel Jacob <me@manueljacob.de>
parents: 49261
diff changeset
1857 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
1858 try:
49448
5fe7e9eda0f3 revlog: make _partialmatch fail fast on almost-hex inputs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 49314
diff changeset
1859 # 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: 49314
diff changeset
1860 # 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: 49314
diff changeset
1861 if len(id) % 2 > 0:
5fe7e9eda0f3 revlog: make _partialmatch fail fast on almost-hex inputs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 49314
diff changeset
1862 if not (id[-1] in hexdigits):
5fe7e9eda0f3 revlog: make _partialmatch fail fast on almost-hex inputs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 49314
diff changeset
1863 return None
49261
31602d471b60 revlog: make round-down pattern clearer
Manuel Jacob <me@manueljacob.de>
parents: 49248
diff changeset
1864 prefix = bin(id[:l])
49263
63fd0282ad40 node: stop converting binascii.Error to TypeError in bin()
Manuel Jacob <me@manueljacob.de>
parents: 49262
diff changeset
1865 except binascii.Error:
49262
3e5f1fb2aec7 revlog: make try block smaller
Manuel Jacob <me@manueljacob.de>
parents: 49261
diff changeset
1866 pass
3e5f1fb2aec7 revlog: make try block smaller
Manuel Jacob <me@manueljacob.de>
parents: 49261
diff changeset
1867 else:
13259
3b616dfa4b17 revlog: do revlog node->rev mapping by scanning
Matt Mackall <mpm@selenic.com>
parents: 13258
diff changeset
1868 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
1869 nl = [
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1870 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
1871 ]
47055
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
1872 if self.nodeconstants.nullhex.startswith(id):
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
1873 nl.append(self.nullid)
7365
ec3aafa84d44 lookup: speed up partial lookup
Matt Mackall <mpm@selenic.com>
parents: 7363
diff changeset
1874 if len(nl) > 0:
32704
af854b1b36f8 revlog: add support for partial matching of wdir node id
Yuya Nishihara <yuya@tcha.org>
parents: 32679
diff changeset
1875 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
1876 self._pcache[id] = nl[0]
7365
ec3aafa84d44 lookup: speed up partial lookup
Matt Mackall <mpm@selenic.com>
parents: 7363
diff changeset
1877 return nl[0]
39790
4a2466b2a434 revlog: drop some more error aliases (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39789
diff changeset
1878 raise error.AmbiguousPrefixLookupError(
47173
1ec64f59dc27 revlog: use revlog.display_id in ambiguity errors
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47172
diff changeset
1879 id, self.display_id, _(b'ambiguous identifier')
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1880 )
32704
af854b1b36f8 revlog: add support for partial matching of wdir node id
Yuya Nishihara <yuya@tcha.org>
parents: 32679
diff changeset
1881 if maybewdir:
af854b1b36f8 revlog: add support for partial matching of wdir node id
Yuya Nishihara <yuya@tcha.org>
parents: 32679
diff changeset
1882 raise error.WdirUnsupported
7365
ec3aafa84d44 lookup: speed up partial lookup
Matt Mackall <mpm@selenic.com>
parents: 7363
diff changeset
1883 return None
3453
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
1884
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
1885 def lookup(self, id):
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
1886 """locate a node based on:
45957
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 45885
diff changeset
1887 - revision number or str(revision number)
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 45885
diff changeset
1888 - 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
1889 """
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
1890 n = self._match(id)
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
1891 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
1892 return n
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
1893 n = self._partialmatch(id)
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
1894 if n:
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
1895 return n
515
03f27b1381f9 Whitespace cleanups
mpm@selenic.com
parents: 484
diff changeset
1896
47169
96ee8ca99f5a revlog: use revlog.display_id in LookupError
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47167
diff changeset
1897 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
1898
37767
44d1959acb3b revlog: make shortest() take a full binary nodeid (API)
Martin von Zweigbergk <martinvonz@google.com>
parents: 37494
diff changeset
1899 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
1900 """Find the shortest unambiguous prefix that matches node."""
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1901
37907
6921d3ecadc1 shortest: rename "test" variable to "prefix"
Martin von Zweigbergk <martinvonz@google.com>
parents: 37906
diff changeset
1902 def isvalid(prefix):
34257
448725a2ef73 templater: extract shortest() logic from template function
Martin von Zweigbergk <martinvonz@google.com>
parents: 34160
diff changeset
1903 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
1904 matchednode = self._partialmatch(prefix)
39836
7a9e2d85f475 revlog: catch more specific exception in shortest()
Yuya Nishihara <yuya@tcha.org>
parents: 39794
diff changeset
1905 except error.AmbiguousPrefixLookupError:
34257
448725a2ef73 templater: extract shortest() logic from template function
Martin von Zweigbergk <martinvonz@google.com>
parents: 34160
diff changeset
1906 return False
448725a2ef73 templater: extract shortest() logic from template function
Martin von Zweigbergk <martinvonz@google.com>
parents: 34160
diff changeset
1907 except error.WdirUnsupported:
448725a2ef73 templater: extract shortest() logic from template function
Martin von Zweigbergk <martinvonz@google.com>
parents: 34160
diff changeset
1908 # single 'ff...' match
448725a2ef73 templater: extract shortest() logic from template function
Martin von Zweigbergk <martinvonz@google.com>
parents: 34160
diff changeset
1909 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
1910 if matchednode is None:
47169
96ee8ca99f5a revlog: use revlog.display_id in LookupError
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47167
diff changeset
1911 raise error.LookupError(node, self.display_id, _(b'no node'))
38014
76e933e0ccc9 shortest: remove unnecessary check for revnum in isvalid()
Martin von Zweigbergk <martinvonz@google.com>
parents: 38013
diff changeset
1912 return True
34257
448725a2ef73 templater: extract shortest() logic from template function
Martin von Zweigbergk <martinvonz@google.com>
parents: 34160
diff changeset
1913
38012
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37909
diff changeset
1914 def maybewdir(prefix):
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
1915 return all(c == b'f' for c in pycompat.iterbytestr(prefix))
38012
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37909
diff changeset
1916
37767
44d1959acb3b revlog: make shortest() take a full binary nodeid (API)
Martin von Zweigbergk <martinvonz@google.com>
parents: 37494
diff changeset
1917 hexnode = hex(node)
38012
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37909
diff changeset
1918
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37909
diff changeset
1919 def disambiguate(hexnode, minlength):
38015
3ac950cd5978 shortest: move revnum-disambiguation out of revlog
Martin von Zweigbergk <martinvonz@google.com>
parents: 38014
diff changeset
1920 """Disambiguate against wdirid."""
45054
cc2572923ea3 revlog: avoid hard-coded hash sizes
Joerg Sonnenberger <joerg@bec.de>
parents: 44803
diff changeset
1921 for length in range(minlength, len(hexnode) + 1):
38012
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37909
diff changeset
1922 prefix = hexnode[:length]
38015
3ac950cd5978 shortest: move revnum-disambiguation out of revlog
Martin von Zweigbergk <martinvonz@google.com>
parents: 38014
diff changeset
1923 if not maybewdir(prefix):
38012
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37909
diff changeset
1924 return prefix
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37909
diff changeset
1925
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37909
diff changeset
1926 if not getattr(self, 'filteredrevs', None):
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37909
diff changeset
1927 try:
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37909
diff changeset
1928 length = max(self.index.shortest(node), minlength)
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37909
diff changeset
1929 return disambiguate(hexnode, length)
39789
2cd93a8d4bde revlog: drop RevlogError alias (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39785
diff changeset
1930 except error.RevlogError:
47055
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
1931 if node != self.nodeconstants.wdirid:
47162
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
1932 raise error.LookupError(
47169
96ee8ca99f5a revlog: use revlog.display_id in LookupError
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47167
diff changeset
1933 node, self.display_id, _(b'no node')
47162
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
1934 )
38012
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37909
diff changeset
1935 except AttributeError:
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37909
diff changeset
1936 # Fall through to pure code
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37909
diff changeset
1937 pass
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37909
diff changeset
1938
47055
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
1939 if node == self.nodeconstants.wdirid:
45054
cc2572923ea3 revlog: avoid hard-coded hash sizes
Joerg Sonnenberger <joerg@bec.de>
parents: 44803
diff changeset
1940 for length in range(minlength, len(hexnode) + 1):
38013
0db7fe7c34d3 shortest: make pure code also disambigute against revnums at end
Martin von Zweigbergk <martinvonz@google.com>
parents: 38012
diff changeset
1941 prefix = hexnode[:length]
0db7fe7c34d3 shortest: make pure code also disambigute against revnums at end
Martin von Zweigbergk <martinvonz@google.com>
parents: 38012
diff changeset
1942 if isvalid(prefix):
0db7fe7c34d3 shortest: make pure code also disambigute against revnums at end
Martin von Zweigbergk <martinvonz@google.com>
parents: 38012
diff changeset
1943 return prefix
0db7fe7c34d3 shortest: make pure code also disambigute against revnums at end
Martin von Zweigbergk <martinvonz@google.com>
parents: 38012
diff changeset
1944
45054
cc2572923ea3 revlog: avoid hard-coded hash sizes
Joerg Sonnenberger <joerg@bec.de>
parents: 44803
diff changeset
1945 for length in range(minlength, len(hexnode) + 1):
37907
6921d3ecadc1 shortest: rename "test" variable to "prefix"
Martin von Zweigbergk <martinvonz@google.com>
parents: 37906
diff changeset
1946 prefix = hexnode[:length]
6921d3ecadc1 shortest: rename "test" variable to "prefix"
Martin von Zweigbergk <martinvonz@google.com>
parents: 37906
diff changeset
1947 if isvalid(prefix):
38013
0db7fe7c34d3 shortest: make pure code also disambigute against revnums at end
Martin von Zweigbergk <martinvonz@google.com>
parents: 38012
diff changeset
1948 return disambiguate(hexnode, length)
34257
448725a2ef73 templater: extract shortest() logic from template function
Martin von Zweigbergk <martinvonz@google.com>
parents: 34160
diff changeset
1949
2890
5df3e5cf16bc Move cmp bits from filelog to revlog
Matt Mackall <mpm@selenic.com>
parents: 2859
diff changeset
1950 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
1951 """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
1952
a463e3c50212 cmp: document the fact that we return True if content is different
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents: 11323
diff changeset
1953 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
1954 """
2890
5df3e5cf16bc Move cmp bits from filelog to revlog
Matt Mackall <mpm@selenic.com>
parents: 2859
diff changeset
1955 p1, p2 = self.parents(node)
39882
f8eb71f9e3bd storageutil: new module for storage primitives (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39877
diff changeset
1956 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
1957
51031
8520db304f01 revlog: drop more file description passing between private function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51030
diff changeset
1958 def _getsegmentforrevs(self, startrev, endrev):
27070
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1959 """Obtain a segment of raw data corresponding to a range of revisions.
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1960
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1961 Accepts the start and end revisions and an optional already-open
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1962 file handle to be used for reading. If the file handle is read, its
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1963 seek position will not be preserved.
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1964
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1965 Requests for data may be satisfied by a cache.
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1966
27649
6446e9b37c8b revlog: return offset from _chunkraw()
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27637
diff changeset
1967 Returns a 2-tuple of (offset, data) for the requested range of
6446e9b37c8b revlog: return offset from _chunkraw()
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27637
diff changeset
1968 revisions. Offset is the integer offset from the beginning of the
6446e9b37c8b revlog: return offset from _chunkraw()
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27637
diff changeset
1969 revlog and data is a str or buffer of the raw byte data.
6446e9b37c8b revlog: return offset from _chunkraw()
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27637
diff changeset
1970
6446e9b37c8b revlog: return offset from _chunkraw()
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27637
diff changeset
1971 Callers will need to call ``self.start(rev)`` and ``self.length(rev)``
6446e9b37c8b revlog: return offset from _chunkraw()
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27637
diff changeset
1972 to determine where each revision's data begins and ends.
27070
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1973 """
30302
ceddc3d94d74 revlog: inline start() and end() for perf reasons
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30301
diff changeset
1974 # Inlined self.start(startrev) & self.end(endrev) for perf reasons
ceddc3d94d74 revlog: inline start() and end() for perf reasons
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30301
diff changeset
1975 # (functions are expensive).
ceddc3d94d74 revlog: inline start() and end() for perf reasons
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30301
diff changeset
1976 index = self.index
ceddc3d94d74 revlog: inline start() and end() for perf reasons
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30301
diff changeset
1977 istart = index[startrev]
ceddc3d94d74 revlog: inline start() and end() for perf reasons
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30301
diff changeset
1978 start = int(istart[0] >> 16)
30303
1f92056c4066 revlog: optimize _chunkraw when startrev==endrev
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30302
diff changeset
1979 if startrev == endrev:
1f92056c4066 revlog: optimize _chunkraw when startrev==endrev
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30302
diff changeset
1980 end = start + istart[1]
1f92056c4066 revlog: optimize _chunkraw when startrev==endrev
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30302
diff changeset
1981 else:
1f92056c4066 revlog: optimize _chunkraw when startrev==endrev
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30302
diff changeset
1982 iend = index[endrev]
1f92056c4066 revlog: optimize _chunkraw when startrev==endrev
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30302
diff changeset
1983 end = int(iend[0] >> 16) + iend[1]
30302
ceddc3d94d74 revlog: inline start() and end() for perf reasons
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30301
diff changeset
1984
8318
6b8513f8274a revlog: add cache priming for reconstructing delta chains
Matt Mackall <mpm@selenic.com>
parents: 8317
diff changeset
1985 if self._inline:
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
1986 start += (startrev + 1) * self.index.entry_size
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
1987 end += (endrev + 1) * self.index.entry_size
19714
0e07c0b5fb1c revlog.revision: fix cache preload for inline revlogs
Siddharth Agarwal <sid0@fb.com>
parents: 19713
diff changeset
1988 length = end - start
27649
6446e9b37c8b revlog: return offset from _chunkraw()
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27637
diff changeset
1989
51031
8520db304f01 revlog: drop more file description passing between private function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51030
diff changeset
1990 return start, self._segmentfile.read_chunk(start, length)
8520db304f01 revlog: drop more file description passing between private function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51030
diff changeset
1991
8520db304f01 revlog: drop more file description passing between private function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51030
diff changeset
1992 def _chunk(self, rev):
27070
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1993 """Obtain a single decompressed chunk for a revision.
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1994
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1995 Accepts an integer revision and an optional already-open file handle
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1996 to be used for reading. If used, the seek position of the file will not
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1997 be preserved.
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1998
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1999 Returns a str holding uncompressed data for the requested revision.
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
2000 """
47264
b876f0bf7366 revlog: introduce a plain compression mode
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47263
diff changeset
2001 compression_mode = self.index[rev][10]
51031
8520db304f01 revlog: drop more file description passing between private function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51030
diff changeset
2002 data = self._getsegmentforrevs(rev, rev)[1]
47264
b876f0bf7366 revlog: introduce a plain compression mode
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47263
diff changeset
2003 if compression_mode == COMP_MODE_PLAIN:
b876f0bf7366 revlog: introduce a plain compression mode
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47263
diff changeset
2004 return data
47266
ff9fd7107d11 revlog: implement a "default compression" mode
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47265
diff changeset
2005 elif compression_mode == COMP_MODE_DEFAULT:
ff9fd7107d11 revlog: implement a "default compression" mode
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47265
diff changeset
2006 return self._decompressor(data)
47264
b876f0bf7366 revlog: introduce a plain compression mode
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47263
diff changeset
2007 elif compression_mode == COMP_MODE_INLINE:
b876f0bf7366 revlog: introduce a plain compression mode
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47263
diff changeset
2008 return self.decompress(data)
b876f0bf7366 revlog: introduce a plain compression mode
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47263
diff changeset
2009 else:
47420
5fbac82a8780 revlog: byteify a few error strings
Matt Harbison <matt_harbison@yahoo.com>
parents: 47419
diff changeset
2010 msg = b'unknown compression mode %d'
47264
b876f0bf7366 revlog: introduce a plain compression mode
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47263
diff changeset
2011 msg %= compression_mode
b876f0bf7366 revlog: introduce a plain compression mode
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47263
diff changeset
2012 raise error.RevlogError(msg)
8650
ef393d6ec030 revlog: refactor chunk cache interface again
Matt Mackall <mpm@selenic.com>
parents: 8643
diff changeset
2013
51031
8520db304f01 revlog: drop more file description passing between private function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51030
diff changeset
2014 def _chunks(self, revs, targetsize=None):
27070
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
2015 """Obtain decompressed chunks for the specified revisions.
19713
c2e27e57d250 revlog: add a fast method for getting a list of chunks
Siddharth Agarwal <sid0@fb.com>
parents: 19625
diff changeset
2016
27070
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
2017 Accepts an iterable of numeric revisions that are assumed to be in
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
2018 ascending order. Also accepts an optional already-open file handle
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
2019 to be used for reading. If used, the seek position of the file will
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
2020 not be preserved.
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
2021
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
2022 This function is similar to calling ``self._chunk()`` multiple times,
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
2023 but is faster.
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
2024
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
2025 Returns a list with decompressed data for each requested revision.
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
2026 """
19716
e17976978ee4 revlog: move chunk cache preload from revision to _chunks
Siddharth Agarwal <sid0@fb.com>
parents: 19715
diff changeset
2027 if not revs:
e17976978ee4 revlog: move chunk cache preload from revision to _chunks
Siddharth Agarwal <sid0@fb.com>
parents: 19715
diff changeset
2028 return []
19713
c2e27e57d250 revlog: add a fast method for getting a list of chunks
Siddharth Agarwal <sid0@fb.com>
parents: 19625
diff changeset
2029 start = self.start
c2e27e57d250 revlog: add a fast method for getting a list of chunks
Siddharth Agarwal <sid0@fb.com>
parents: 19625
diff changeset
2030 length = self.length
c2e27e57d250 revlog: add a fast method for getting a list of chunks
Siddharth Agarwal <sid0@fb.com>
parents: 19625
diff changeset
2031 inline = self._inline
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
2032 iosize = self.index.entry_size
19715
1aab406be57c revlog._chunks: inline getchunk
Siddharth Agarwal <sid0@fb.com>
parents: 19714
diff changeset
2033 buffer = util.buffer
19713
c2e27e57d250 revlog: add a fast method for getting a list of chunks
Siddharth Agarwal <sid0@fb.com>
parents: 19625
diff changeset
2034
c2e27e57d250 revlog: add a fast method for getting a list of chunks
Siddharth Agarwal <sid0@fb.com>
parents: 19625
diff changeset
2035 l = []
c2e27e57d250 revlog: add a fast method for getting a list of chunks
Siddharth Agarwal <sid0@fb.com>
parents: 19625
diff changeset
2036 ladd = l.append
c2e27e57d250 revlog: add a fast method for getting a list of chunks
Siddharth Agarwal <sid0@fb.com>
parents: 19625
diff changeset
2037
34824
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse
Paul Morelle <paul.morelle@octobus.net>
parents: 34823
diff changeset
2038 if not self._withsparseread:
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse
Paul Morelle <paul.morelle@octobus.net>
parents: 34823
diff changeset
2039 slicedchunks = (revs,)
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse
Paul Morelle <paul.morelle@octobus.net>
parents: 34823
diff changeset
2040 else:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2041 slicedchunks = deltautil.slicechunk(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2042 self, revs, targetsize=targetsize
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2043 )
34824
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse
Paul Morelle <paul.morelle@octobus.net>
parents: 34823
diff changeset
2044
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse
Paul Morelle <paul.morelle@octobus.net>
parents: 34823
diff changeset
2045 for revschunk in slicedchunks:
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse
Paul Morelle <paul.morelle@octobus.net>
parents: 34823
diff changeset
2046 firstrev = revschunk[0]
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse
Paul Morelle <paul.morelle@octobus.net>
parents: 34823
diff changeset
2047 # Skip trailing revisions with empty diff
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse
Paul Morelle <paul.morelle@octobus.net>
parents: 34823
diff changeset
2048 for lastrev in revschunk[::-1]:
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse
Paul Morelle <paul.morelle@octobus.net>
parents: 34823
diff changeset
2049 if length(lastrev) != 0:
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse
Paul Morelle <paul.morelle@octobus.net>
parents: 34823
diff changeset
2050 break
34823
7891d243d821 revlog: ignore empty trailing chunks when reading segments
Paul Morelle <paul.morelle@octobus.net>
parents: 34303
diff changeset
2051
34824
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse
Paul Morelle <paul.morelle@octobus.net>
parents: 34823
diff changeset
2052 try:
51031
8520db304f01 revlog: drop more file description passing between private function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51030
diff changeset
2053 offset, data = self._getsegmentforrevs(firstrev, lastrev)
34824
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse
Paul Morelle <paul.morelle@octobus.net>
parents: 34823
diff changeset
2054 except OverflowError:
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse
Paul Morelle <paul.morelle@octobus.net>
parents: 34823
diff changeset
2055 # issue4215 - we can't cache a run of chunks greater than
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse
Paul Morelle <paul.morelle@octobus.net>
parents: 34823
diff changeset
2056 # 2G on Windows
51031
8520db304f01 revlog: drop more file description passing between private function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51030
diff changeset
2057 return [self._chunk(rev) for rev in revschunk]
19715
1aab406be57c revlog._chunks: inline getchunk
Siddharth Agarwal <sid0@fb.com>
parents: 19714
diff changeset
2058
34824
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse
Paul Morelle <paul.morelle@octobus.net>
parents: 34823
diff changeset
2059 decomp = self.decompress
47266
ff9fd7107d11 revlog: implement a "default compression" mode
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47265
diff changeset
2060 # self._decompressor might be None, but will not be used in that case
ff9fd7107d11 revlog: implement a "default compression" mode
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47265
diff changeset
2061 def_decomp = self._decompressor
34824
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse
Paul Morelle <paul.morelle@octobus.net>
parents: 34823
diff changeset
2062 for rev in revschunk:
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse
Paul Morelle <paul.morelle@octobus.net>
parents: 34823
diff changeset
2063 chunkstart = start(rev)
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse
Paul Morelle <paul.morelle@octobus.net>
parents: 34823
diff changeset
2064 if inline:
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse
Paul Morelle <paul.morelle@octobus.net>
parents: 34823
diff changeset
2065 chunkstart += (rev + 1) * iosize
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse
Paul Morelle <paul.morelle@octobus.net>
parents: 34823
diff changeset
2066 chunklength = length(rev)
47264
b876f0bf7366 revlog: introduce a plain compression mode
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47263
diff changeset
2067 comp_mode = self.index[rev][10]
47263
e340b556a13e revlog: use an intermediate variable for `data` in `_chunk`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47260
diff changeset
2068 c = buffer(data, chunkstart - offset, chunklength)
47264
b876f0bf7366 revlog: introduce a plain compression mode
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47263
diff changeset
2069 if comp_mode == COMP_MODE_PLAIN:
b876f0bf7366 revlog: introduce a plain compression mode
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47263
diff changeset
2070 ladd(c)
b876f0bf7366 revlog: introduce a plain compression mode
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47263
diff changeset
2071 elif comp_mode == COMP_MODE_INLINE:
b876f0bf7366 revlog: introduce a plain compression mode
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47263
diff changeset
2072 ladd(decomp(c))
47266
ff9fd7107d11 revlog: implement a "default compression" mode
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47265
diff changeset
2073 elif comp_mode == COMP_MODE_DEFAULT:
ff9fd7107d11 revlog: implement a "default compression" mode
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47265
diff changeset
2074 ladd(def_decomp(c))
47264
b876f0bf7366 revlog: introduce a plain compression mode
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47263
diff changeset
2075 else:
47420
5fbac82a8780 revlog: byteify a few error strings
Matt Harbison <matt_harbison@yahoo.com>
parents: 47419
diff changeset
2076 msg = b'unknown compression mode %d'
47264
b876f0bf7366 revlog: introduce a plain compression mode
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47263
diff changeset
2077 msg %= comp_mode
b876f0bf7366 revlog: introduce a plain compression mode
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47263
diff changeset
2078 raise error.RevlogError(msg)
19713
c2e27e57d250 revlog: add a fast method for getting a list of chunks
Siddharth Agarwal <sid0@fb.com>
parents: 19625
diff changeset
2079
c2e27e57d250 revlog: add a fast method for getting a list of chunks
Siddharth Agarwal <sid0@fb.com>
parents: 19625
diff changeset
2080 return l
14075
bc101902a68d revlog: introduce _chunkbase to allow filelog to override
Sune Foldager <cryo@cyanite.org>
parents: 14064
diff changeset
2081
11929
1839a7518b0d revlog: deltachain() returns chain of revs need to construct a revision
Pradeepkumar Gayam <in3xes@gmail.com>
parents: 11928
diff changeset
2082 def deltaparent(self, rev):
14195
0013d3eeb826 revlog: remove support for parentdelta
Sune Foldager <cryo@cyanite.org>
parents: 14164
diff changeset
2083 """return deltaparent of the given revision"""
14253
c28d5200374c revlog: support reading generaldelta revlogs
Sune Foldager <cryo@cyanite.org>
parents: 14252
diff changeset
2084 base = self.index[rev][3]
c28d5200374c revlog: support reading generaldelta revlogs
Sune Foldager <cryo@cyanite.org>
parents: 14252
diff changeset
2085 if base == rev:
14208
d62d597b8974 revlog: compute correct deltaparent in the deltaparent function
Sune Foldager <cryo@cyanite.org>
parents: 14196
diff changeset
2086 return nullrev
14253
c28d5200374c revlog: support reading generaldelta revlogs
Sune Foldager <cryo@cyanite.org>
parents: 14252
diff changeset
2087 elif self._generaldelta:
c28d5200374c revlog: support reading generaldelta revlogs
Sune Foldager <cryo@cyanite.org>
parents: 14252
diff changeset
2088 return base
14208
d62d597b8974 revlog: compute correct deltaparent in the deltaparent function
Sune Foldager <cryo@cyanite.org>
parents: 14196
diff changeset
2089 else:
d62d597b8974 revlog: compute correct deltaparent in the deltaparent function
Sune Foldager <cryo@cyanite.org>
parents: 14196
diff changeset
2090 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
2091
39182
f8db458651c8 revlog: add a method to tells whether rev is stored as a snapshot
Paul Morelle <paul.morelle@octobus.net>
parents: 39180
diff changeset
2092 def issnapshot(self, rev):
45957
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 45885
diff changeset
2093 """tells whether rev is a snapshot"""
41089
a28833d79aca revlog: use the native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents: 41087
diff changeset
2094 if not self._sparserevlog:
a28833d79aca revlog: use the native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents: 41087
diff changeset
2095 return self.deltaparent(rev) == nullrev
50951
d718eddf01d9 safehasattr: drop usage in favor of hasattr
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50761
diff changeset
2096 elif hasattr(self.index, 'issnapshot'):
41089
a28833d79aca revlog: use the native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents: 41087
diff changeset
2097 # directly assign the method to cache the testing and access
a28833d79aca revlog: use the native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents: 41087
diff changeset
2098 self.issnapshot = self.index.issnapshot
a28833d79aca revlog: use the native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents: 41087
diff changeset
2099 return self.issnapshot(rev)
39182
f8db458651c8 revlog: add a method to tells whether rev is stored as a snapshot
Paul Morelle <paul.morelle@octobus.net>
parents: 39180
diff changeset
2100 if rev == nullrev:
f8db458651c8 revlog: add a method to tells whether rev is stored as a snapshot
Paul Morelle <paul.morelle@octobus.net>
parents: 39180
diff changeset
2101 return True
41087
84491ae0b3f0 revlog: more efficient implementation for issnapshot
Boris Feld <boris.feld@octobus.net>
parents: 41086
diff changeset
2102 entry = self.index[rev]
84491ae0b3f0 revlog: more efficient implementation for issnapshot
Boris Feld <boris.feld@octobus.net>
parents: 41086
diff changeset
2103 base = entry[3]
84491ae0b3f0 revlog: more efficient implementation for issnapshot
Boris Feld <boris.feld@octobus.net>
parents: 41086
diff changeset
2104 if base == rev:
39182
f8db458651c8 revlog: add a method to tells whether rev is stored as a snapshot
Paul Morelle <paul.morelle@octobus.net>
parents: 39180
diff changeset
2105 return True
41087
84491ae0b3f0 revlog: more efficient implementation for issnapshot
Boris Feld <boris.feld@octobus.net>
parents: 41086
diff changeset
2106 if base == nullrev:
84491ae0b3f0 revlog: more efficient implementation for issnapshot
Boris Feld <boris.feld@octobus.net>
parents: 41086
diff changeset
2107 return True
84491ae0b3f0 revlog: more efficient implementation for issnapshot
Boris Feld <boris.feld@octobus.net>
parents: 41086
diff changeset
2108 p1 = entry[5]
49490
5846bc8a2855 revlog: finer computation of "issnapshot"
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49448
diff changeset
2109 while self.length(p1) == 0:
5846bc8a2855 revlog: finer computation of "issnapshot"
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49448
diff changeset
2110 b = self.deltaparent(p1)
5846bc8a2855 revlog: finer computation of "issnapshot"
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49448
diff changeset
2111 if b == p1:
5846bc8a2855 revlog: finer computation of "issnapshot"
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49448
diff changeset
2112 break
5846bc8a2855 revlog: finer computation of "issnapshot"
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49448
diff changeset
2113 p1 = b
41087
84491ae0b3f0 revlog: more efficient implementation for issnapshot
Boris Feld <boris.feld@octobus.net>
parents: 41086
diff changeset
2114 p2 = entry[6]
49490
5846bc8a2855 revlog: finer computation of "issnapshot"
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49448
diff changeset
2115 while self.length(p2) == 0:
5846bc8a2855 revlog: finer computation of "issnapshot"
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49448
diff changeset
2116 b = self.deltaparent(p2)
5846bc8a2855 revlog: finer computation of "issnapshot"
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49448
diff changeset
2117 if b == p2:
5846bc8a2855 revlog: finer computation of "issnapshot"
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49448
diff changeset
2118 break
5846bc8a2855 revlog: finer computation of "issnapshot"
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49448
diff changeset
2119 p2 = b
41087
84491ae0b3f0 revlog: more efficient implementation for issnapshot
Boris Feld <boris.feld@octobus.net>
parents: 41086
diff changeset
2120 if base == p1 or base == p2:
39183
f39efa885a6d revlog: also detect intermediate snapshots
Paul Morelle <paul.morelle@octobus.net>
parents: 39182
diff changeset
2121 return False
41087
84491ae0b3f0 revlog: more efficient implementation for issnapshot
Boris Feld <boris.feld@octobus.net>
parents: 41086
diff changeset
2122 return self.issnapshot(base)
39182
f8db458651c8 revlog: add a method to tells whether rev is stored as a snapshot
Paul Morelle <paul.morelle@octobus.net>
parents: 39180
diff changeset
2123
39185
3b1042cab4b4 revlog: add a method to retrieve snapshot depth
Boris Feld <boris.feld@octobus.net>
parents: 39183
diff changeset
2124 def snapshotdepth(self, rev):
3b1042cab4b4 revlog: add a method to retrieve snapshot depth
Boris Feld <boris.feld@octobus.net>
parents: 39183
diff changeset
2125 """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: 39183
diff changeset
2126 if not self.issnapshot(rev):
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2127 raise error.ProgrammingError(b'revision %d not a snapshot')
39185
3b1042cab4b4 revlog: add a method to retrieve snapshot depth
Boris Feld <boris.feld@octobus.net>
parents: 39183
diff changeset
2128 return len(self._deltachain(rev)[0]) - 1
3b1042cab4b4 revlog: add a method to retrieve snapshot depth
Boris Feld <boris.feld@octobus.net>
parents: 39183
diff changeset
2129
1941
7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1853
diff changeset
2130 def revdiff(self, rev1, rev2):
31758
5d11b5edcb0b revlog: use raw revisions in revdiff
Jun Wu <quark@fb.com>
parents: 31757
diff changeset
2131 """return or calculate a delta between two revisions
5d11b5edcb0b revlog: use raw revisions in revdiff
Jun Wu <quark@fb.com>
parents: 31757
diff changeset
2132
5d11b5edcb0b revlog: use raw revisions in revdiff
Jun Wu <quark@fb.com>
parents: 31757
diff changeset
2133 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: 31757
diff changeset
2134 revlog data directly. So this function needs raw revision data.
5d11b5edcb0b revlog: use raw revisions in revdiff
Jun Wu <quark@fb.com>
parents: 31757
diff changeset
2135 """
14208
d62d597b8974 revlog: compute correct deltaparent in the deltaparent function
Sune Foldager <cryo@cyanite.org>
parents: 14196
diff changeset
2136 if rev1 != nullrev and self.deltaparent(rev2) == rev1:
31378
b6f5af372c0c revlog: use bytes() instead of str() to get data from memoryview
Augie Fackler <augie@google.com>
parents: 31366
diff changeset
2137 return bytes(self._chunk(rev2))
5005
72082bfced9a revlog: minor revdiff reorganization
Matt Mackall <mpm@selenic.com>
parents: 5004
diff changeset
2138
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2139 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
2140
51027
33d2f0164d0d revlog: drop the df argument to `revision`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51025
diff changeset
2141 def revision(self, nodeorrev):
16435
df347129305d revlog: fix partial revision() docstring (from d7d64b89a65c)
Patrick Mezard <patrick@mezard.eu>
parents: 16424
diff changeset
2142 """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
2143 number.
df347129305d revlog: fix partial revision() docstring (from d7d64b89a65c)
Patrick Mezard <patrick@mezard.eu>
parents: 16424
diff changeset
2144 """
51027
33d2f0164d0d revlog: drop the df argument to `revision`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51025
diff changeset
2145 return self._revisiondata(nodeorrev)
42735
389233789952 revlog: split a `_revisiondata` method to file `revision` job
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42711
diff changeset
2146
51029
299b7b5440db revlog: drop the df argument to `sidedata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51028
diff changeset
2147 def sidedata(self, nodeorrev):
42982
0d1272783f24 revlog: introduce a `sidedata` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42885
diff changeset
2148 """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: 42885
diff changeset
2149
0d1272783f24 revlog: introduce a `sidedata` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42885
diff changeset
2150 This function currently return a dictionary. However, more advanced
0d1272783f24 revlog: introduce a `sidedata` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42885
diff changeset
2151 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: 42885
diff changeset
2152 efficient/lazy code.
0d1272783f24 revlog: introduce a `sidedata` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42885
diff changeset
2153 """
47388
d6a52783d2ba revlog: implement sidedata without using _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47336
diff changeset
2154 # deal with <nodeorrev> argument type
d6a52783d2ba revlog: implement sidedata without using _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47336
diff changeset
2155 if isinstance(nodeorrev, int):
d6a52783d2ba revlog: implement sidedata without using _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47336
diff changeset
2156 rev = nodeorrev
d6a52783d2ba revlog: implement sidedata without using _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47336
diff changeset
2157 else:
d6a52783d2ba revlog: implement sidedata without using _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47336
diff changeset
2158 rev = self.rev(nodeorrev)
d6a52783d2ba revlog: implement sidedata without using _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47336
diff changeset
2159 return self._sidedata(rev)
42982
0d1272783f24 revlog: introduce a `sidedata` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42885
diff changeset
2160
51031
8520db304f01 revlog: drop more file description passing between private function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51030
diff changeset
2161 def _revisiondata(self, nodeorrev, raw=False):
42806
616aa62e5027 revlog: add some documentation to `_revisiondata` code
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42805
diff changeset
2162 # deal with <nodeorrev> argument type
16375
d7d64b89a65c revlog: allow retrieving contents by revision number
Matt Mackall <mpm@selenic.com>
parents: 16374
diff changeset
2163 if isinstance(nodeorrev, int):
d7d64b89a65c revlog: allow retrieving contents by revision number
Matt Mackall <mpm@selenic.com>
parents: 16374
diff changeset
2164 rev = nodeorrev
d7d64b89a65c revlog: allow retrieving contents by revision number
Matt Mackall <mpm@selenic.com>
parents: 16374
diff changeset
2165 node = self.node(rev)
d7d64b89a65c revlog: allow retrieving contents by revision number
Matt Mackall <mpm@selenic.com>
parents: 16374
diff changeset
2166 else:
d7d64b89a65c revlog: allow retrieving contents by revision number
Matt Mackall <mpm@selenic.com>
parents: 16374
diff changeset
2167 node = nodeorrev
d7d64b89a65c revlog: allow retrieving contents by revision number
Matt Mackall <mpm@selenic.com>
parents: 16374
diff changeset
2168 rev = None
d7d64b89a65c revlog: allow retrieving contents by revision number
Matt Mackall <mpm@selenic.com>
parents: 16374
diff changeset
2169
42806
616aa62e5027 revlog: add some documentation to `_revisiondata` code
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42805
diff changeset
2170 # fast path the special `nullid` rev
47055
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
2171 if node == self.nullid:
47391
9d9eb22b9b69 revlog: no longer return sidedata from `_revisiondata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47390
diff changeset
2172 return b""
42805
bf070a59546a revlog: move `nullid` early return sooner in `_revisiondata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42804
diff changeset
2173
43984
bdb357161d7a revlog: drop an unused variable assignment
Matt Harbison <matt_harbison@yahoo.com>
parents: 43962
diff changeset
2174 # ``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: 43962
diff changeset
2175 # revision or might need to be processed to retrieve the revision.
51031
8520db304f01 revlog: drop more file description passing between private function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51030
diff changeset
2176 rev, rawtext, validated = self._rawtext(node, rev)
42808
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
2177
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
2178 if raw and validated:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
2179 # 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: 42807
diff changeset
2180 # text is cached, we can exit early.
47391
9d9eb22b9b69 revlog: no longer return sidedata from `_revisiondata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47390
diff changeset
2181 return rawtext
42808
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
2182 if rev is None:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
2183 rev = self.rev(node)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
2184 # the revlog's flag for this revision
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
2185 # (usually alter its state or content)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
2186 flags = self.flags(rev)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
2187
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
2188 if validated and flags == REVIDX_DEFAULT_FLAGS:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
2189 # no extra flags set, no flag processor runs, text = rawtext
47391
9d9eb22b9b69 revlog: no longer return sidedata from `_revisiondata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47390
diff changeset
2190 return rawtext
46722
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2191
42885
4a3efe0febb5 revlog: stop using `_processflags` directly
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42882
diff changeset
2192 if raw:
42994
dff95420480f flagprocessors: make `processflagsraw` a module level function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42993
diff changeset
2193 validatehash = flagutil.processflagsraw(self, rawtext, flags)
42885
4a3efe0febb5 revlog: stop using `_processflags` directly
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42882
diff changeset
2194 text = rawtext
4a3efe0febb5 revlog: stop using `_processflags` directly
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42882
diff changeset
2195 else:
46722
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2196 r = flagutil.processflagsread(self, rawtext, flags)
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2197 text, validatehash = r
42808
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
2198 if validatehash:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
2199 self.checkhash(text, node, rev=rev)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
2200 if not validated:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
2201 self._revisioncache = (node, rev, rawtext)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
2202
47391
9d9eb22b9b69 revlog: no longer return sidedata from `_revisiondata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47390
diff changeset
2203 return text
42808
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
2204
51031
8520db304f01 revlog: drop more file description passing between private function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51030
diff changeset
2205 def _rawtext(self, node, rev):
42808
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
2206 """return the possibly unvalidated rawtext for a revision
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
2207
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
2208 returns (rev, rawtext, validated)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
2209 """
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
2210
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
2211 # revision in the cache (could be useful to apply delta)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
2212 cachedrev = None
42806
616aa62e5027 revlog: add some documentation to `_revisiondata` code
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42805
diff changeset
2213 # An intermediate text to apply deltas to
42804
2eec53a99ec1 revlog: stop calling `basetext` `rawtext` in _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42803
diff changeset
2214 basetext = None
42806
616aa62e5027 revlog: add some documentation to `_revisiondata` code
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42805
diff changeset
2215
616aa62e5027 revlog: add some documentation to `_revisiondata` code
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42805
diff changeset
2216 # Check if we have the entry in cache
616aa62e5027 revlog: add some documentation to `_revisiondata` code
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42805
diff changeset
2217 # The cache entry looks like (node, rev, rawtext)
40053
55db747a21ad revlog: rename _cache to _revisioncache
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40011
diff changeset
2218 if self._revisioncache:
55db747a21ad revlog: rename _cache to _revisioncache
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40011
diff changeset
2219 if self._revisioncache[0] == node:
42808
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
2220 return (rev, self._revisioncache[2], True)
40053
55db747a21ad revlog: rename _cache to _revisioncache
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40011
diff changeset
2221 cachedrev = self._revisioncache[1]
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
2222
42808
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
2223 if rev is None:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
2224 rev = self.rev(node)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
2225
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
2226 chain, stopped = self._deltachain(rev, stoprev=cachedrev)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
2227 if stopped:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
2228 basetext = self._revisioncache[2]
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
2229
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
2230 # drop cache to save memory, the caller is expected to
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
2231 # update self._revisioncache after validating the text
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
2232 self._revisioncache = None
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
2233
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
2234 targetsize = None
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
2235 rawsize = self.index[rev][2]
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
2236 if 0 <= rawsize:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
2237 targetsize = 4 * rawsize
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
2238
51031
8520db304f01 revlog: drop more file description passing between private function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51030
diff changeset
2239 bins = self._chunks(chain, targetsize=targetsize)
42808
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
2240 if basetext is None:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
2241 basetext = bytes(bins[0])
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
2242 bins = bins[1:]
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
2243
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
2244 rawtext = mdiff.patches(basetext, bins)
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2245 del basetext # let us have a chance to free memory early
42808
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
2246 return (rev, rawtext, False)
13239
12ed25f39d0b revlog: break hash checking into subfunction
Matt Mackall <mpm@selenic.com>
parents: 13031
diff changeset
2247
46722
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2248 def _sidedata(self, rev):
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2249 """Return the sidedata for a given revision number."""
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2250 index_entry = self.index[rev]
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2251 sidedata_offset = index_entry[8]
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2252 sidedata_size = index_entry[9]
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2253
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2254 if self._inline:
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
2255 sidedata_offset += self.index.entry_size * (1 + rev)
46722
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2256 if sidedata_size == 0:
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2257 return {}
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2258
47432
cac0e0621ceb revlog: use file read caching for sidedata
Simon Sapin <simon.sapin@octobus.net>
parents: 47431
diff changeset
2259 if self._docket.sidedata_end < sidedata_offset + sidedata_size:
cac0e0621ceb revlog: use file read caching for sidedata
Simon Sapin <simon.sapin@octobus.net>
parents: 47431
diff changeset
2260 filename = self._sidedatafile
cac0e0621ceb revlog: use file read caching for sidedata
Simon Sapin <simon.sapin@octobus.net>
parents: 47431
diff changeset
2261 end = self._docket.sidedata_end
cac0e0621ceb revlog: use file read caching for sidedata
Simon Sapin <simon.sapin@octobus.net>
parents: 47431
diff changeset
2262 offset = sidedata_offset
cac0e0621ceb revlog: use file read caching for sidedata
Simon Sapin <simon.sapin@octobus.net>
parents: 47431
diff changeset
2263 length = sidedata_size
cac0e0621ceb revlog: use file read caching for sidedata
Simon Sapin <simon.sapin@octobus.net>
parents: 47431
diff changeset
2264 m = FILE_TOO_SHORT_MSG % (filename, length, offset, end)
cac0e0621ceb revlog: use file read caching for sidedata
Simon Sapin <simon.sapin@octobus.net>
parents: 47431
diff changeset
2265 raise error.RevlogError(m)
cac0e0621ceb revlog: use file read caching for sidedata
Simon Sapin <simon.sapin@octobus.net>
parents: 47431
diff changeset
2266
cac0e0621ceb revlog: use file read caching for sidedata
Simon Sapin <simon.sapin@octobus.net>
parents: 47431
diff changeset
2267 comp_segment = self._segmentfile_sidedata.read_chunk(
cac0e0621ceb revlog: use file read caching for sidedata
Simon Sapin <simon.sapin@octobus.net>
parents: 47431
diff changeset
2268 sidedata_offset, sidedata_size
cac0e0621ceb revlog: use file read caching for sidedata
Simon Sapin <simon.sapin@octobus.net>
parents: 47431
diff changeset
2269 )
47393
75e1104f23a2 revlog: use dedicated code for reading sidedata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47392
diff changeset
2270
47268
87d057137f82 revlog: apply compression mode while reading sidedata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47267
diff changeset
2271 comp = self.index[rev][11]
87d057137f82 revlog: apply compression mode while reading sidedata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47267
diff changeset
2272 if comp == COMP_MODE_PLAIN:
87d057137f82 revlog: apply compression mode while reading sidedata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47267
diff changeset
2273 segment = comp_segment
87d057137f82 revlog: apply compression mode while reading sidedata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47267
diff changeset
2274 elif comp == COMP_MODE_DEFAULT:
87d057137f82 revlog: apply compression mode while reading sidedata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47267
diff changeset
2275 segment = self._decompressor(comp_segment)
87d057137f82 revlog: apply compression mode while reading sidedata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47267
diff changeset
2276 elif comp == COMP_MODE_INLINE:
87d057137f82 revlog: apply compression mode while reading sidedata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47267
diff changeset
2277 segment = self.decompress(comp_segment)
87d057137f82 revlog: apply compression mode while reading sidedata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47267
diff changeset
2278 else:
47420
5fbac82a8780 revlog: byteify a few error strings
Matt Harbison <matt_harbison@yahoo.com>
parents: 47419
diff changeset
2279 msg = b'unknown compression mode %d'
47268
87d057137f82 revlog: apply compression mode while reading sidedata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47267
diff changeset
2280 msg %= comp
87d057137f82 revlog: apply compression mode while reading sidedata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47267
diff changeset
2281 raise error.RevlogError(msg)
87d057137f82 revlog: apply compression mode while reading sidedata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47267
diff changeset
2282
46722
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2283 sidedata = sidedatautil.deserialize_sidedata(segment)
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2284 return sidedata
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2285
51028
14de15825253 revlog: drop the df argument to `rawdata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51027
diff changeset
2286 def rawdata(self, nodeorrev):
14de15825253 revlog: drop the df argument to `rawdata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51027
diff changeset
2287 """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: 51027
diff changeset
2288 return self._revisiondata(nodeorrev, raw=True)
42736
415e4136d326 rawdata: introduce a `rawdata` method on revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42735
diff changeset
2289
22785
abc44fcc9c57 revlog: move references to revlog.hash to inside the revlog class
Augie Fackler <raf@durin42.com>
parents: 22784
diff changeset
2290 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
2291 """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
2292
abc44fcc9c57 revlog: move references to revlog.hash to inside the revlog class
Augie Fackler <raf@durin42.com>
parents: 22784
diff changeset
2293 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
2294 as needed.
abc44fcc9c57 revlog: move references to revlog.hash to inside the revlog class
Augie Fackler <raf@durin42.com>
parents: 22784
diff changeset
2295 """
39882
f8eb71f9e3bd storageutil: new module for storage primitives (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39877
diff changeset
2296 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
2297
30589
be5b2098a817 revlog: merge hash checking subfunctions
Remi Chaintron <remi@fb.com>
parents: 30552
diff changeset
2298 def checkhash(self, text, node, p1=None, p2=None, rev=None):
be5b2098a817 revlog: merge hash checking subfunctions
Remi Chaintron <remi@fb.com>
parents: 30552
diff changeset
2299 """Check node hash integrity.
19624
55749cb14d24 revlog: extract 'checkhash' method
Wojciech Lopata <lopek@fb.com>
parents: 19471
diff changeset
2300
30589
be5b2098a817 revlog: merge hash checking subfunctions
Remi Chaintron <remi@fb.com>
parents: 30552
diff changeset
2301 Available as a function so that subclasses can extend hash mismatch
be5b2098a817 revlog: merge hash checking subfunctions
Remi Chaintron <remi@fb.com>
parents: 30552
diff changeset
2302 behaviors as needed.
be5b2098a817 revlog: merge hash checking subfunctions
Remi Chaintron <remi@fb.com>
parents: 30552
diff changeset
2303 """
37443
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
2304 try:
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
2305 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
2306 p1, p2 = self.parents(node)
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
2307 if node != self.hash(text, p1, p2):
40055
801ccd8e67c0 revlog: clear revision cache on hash verification failure
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40053
diff changeset
2308 # 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: 40053
diff changeset
2309 # 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: 40053
diff changeset
2310 # 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: 40053
diff changeset
2311 # 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: 40053
diff changeset
2312 # 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: 40053
diff changeset
2313 # verification state.
801ccd8e67c0 revlog: clear revision cache on hash verification failure
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40053
diff changeset
2314 if self._revisioncache and self._revisioncache[0] == node:
801ccd8e67c0 revlog: clear revision cache on hash verification failure
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40053
diff changeset
2315 self._revisioncache = None
801ccd8e67c0 revlog: clear revision cache on hash verification failure
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40053
diff changeset
2316
37443
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
2317 revornode = rev
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
2318 if revornode is None:
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
2319 revornode = templatefilters.short(hex(node))
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2320 raise error.RevlogError(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2321 _(b"integrity check failed on %s:%s")
47174
0a66eef0ed97 revlog: use revlog.display_id in integrity error
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47173
diff changeset
2322 % (self.display_id, pycompat.bytestr(revornode))
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2323 )
39789
2cd93a8d4bde revlog: drop RevlogError alias (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39785
diff changeset
2324 except error.RevlogError:
39884
d269ddbf54f0 storageutil: move _censoredtext() from revlog
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39883
diff changeset
2325 if self._censorable and storageutil.iscensoredtext(text):
47175
f574734eb2b7 revlog: use revlog.display_id in censor related errors
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47174
diff changeset
2326 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
2327 raise
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
2328
50390
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
2329 @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
2330 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
2331 """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
2332
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
2333 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
2334 it is always expected at the same location."""
50761
4a3a9d961561 revlog: fix the naming scheme use by split temporary file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50694
diff changeset
2335 parts = self.radix.split(b'/')
50391
12f13b13f414 revlog: avoid possible collision between directory and temporary index
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50390
diff changeset
2336 if len(parts) > 1:
12f13b13f414 revlog: avoid possible collision between directory and temporary index
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50390
diff changeset
2337 # 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: 50390
diff changeset
2338 head = parts[0] + b'-s'
50761
4a3a9d961561 revlog: fix the naming scheme use by split temporary file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50694
diff changeset
2339 mids = parts[1:-1]
4a3a9d961561 revlog: fix the naming scheme use by split temporary file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50694
diff changeset
2340 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: 50694
diff changeset
2341 pieces = [head] + mids + [tail]
4a3a9d961561 revlog: fix the naming scheme use by split temporary file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50694
diff changeset
2342 return b'/'.join(pieces)
50391
12f13b13f414 revlog: avoid possible collision between directory and temporary index
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50390
diff changeset
2343 else:
12f13b13f414 revlog: avoid possible collision between directory and temporary index
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50390
diff changeset
2344 # 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: 50390
diff changeset
2345 # manifest), no risk of collision.
12f13b13f414 revlog: avoid possible collision between directory and temporary index
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50390
diff changeset
2346 return self.radix + b'.i.s'
50390
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
2347
50316
87f0155d68aa revlog: improve the robustness of the splitting process
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49923
diff changeset
2348 def _enforceinlinesize(self, tr, side_write=True):
26376
344a1621674b revlog: add docstring for checkinlinesize()
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26243
diff changeset
2349 """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
2350
344a1621674b revlog: add docstring for checkinlinesize()
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26243
diff changeset
2351 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
2352 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
2353 to use multiple index and data files.
344a1621674b revlog: add docstring for checkinlinesize()
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26243
diff changeset
2354 """
38883
119d14f41cb2 revlog: remove some knowledge of sentinel nullid in index
Martin von Zweigbergk <martinvonz@google.com>
parents: 38880
diff changeset
2355 tiprev = len(self) - 1
47181
88bd08a6830f revlog: simplify a conditionnal in _enforceinlinesize
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47180
diff changeset
2356 total_size = self.start(tiprev) + self.length(tiprev)
88bd08a6830f revlog: simplify a conditionnal in _enforceinlinesize
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47180
diff changeset
2357 if not self._inline or total_size < _maxinline:
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
2358 return
8315
c8493310ad9b revlog: use index to find index size
Matt Mackall <mpm@selenic.com>
parents: 8314
diff changeset
2359
47162
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
2360 troffset = tr.findoffset(self._indexfile)
45885
a6f08085edfe transaction: rename find to findoffset and drop backup file support
Joerg Sonnenberger <joerg@bec.de>
parents: 45884
diff changeset
2361 if troffset is None:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2362 raise error.RevlogError(
47162
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
2363 _(b"%s not found in the transaction") % self._indexfile
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2364 )
50316
87f0155d68aa revlog: improve the robustness of the splitting process
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49923
diff changeset
2365 if troffset:
87f0155d68aa revlog: improve the robustness of the splitting process
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49923
diff changeset
2366 tr.addbackup(self._indexfile, for_offset=True)
47163
396442cd7e6a revlog: rename `datafile` to `datafile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47162
diff changeset
2367 tr.add(self._datafile, 0)
8315
c8493310ad9b revlog: use index to find index size
Matt Mackall <mpm@selenic.com>
parents: 8314
diff changeset
2368
47225
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47224
diff changeset
2369 existing_handles = False
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47224
diff changeset
2370 if self._writinghandles is not None:
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47224
diff changeset
2371 existing_handles = True
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47224
diff changeset
2372 fp = self._writinghandles[0]
8317
5cdf4067857a revlog: use chunk cache to avoid rereading when splitting inline files
Matt Mackall <mpm@selenic.com>
parents: 8316
diff changeset
2373 fp.flush()
5cdf4067857a revlog: use chunk cache to avoid rereading when splitting inline files
Matt Mackall <mpm@selenic.com>
parents: 8316
diff changeset
2374 fp.close()
40671
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40670
diff changeset
2375 # We can't use the cached file handle after close(). So prevent
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40670
diff changeset
2376 # its usage.
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40670
diff changeset
2377 self._writinghandles = None
47431
e0a314bcbc9d revlog: Extract low-level random-access file read caching logic
Simon Sapin <simon.sapin@octobus.net>
parents: 47420
diff changeset
2378 self._segmentfile.writing_handle = None
47432
cac0e0621ceb revlog: use file read caching for sidedata
Simon Sapin <simon.sapin@octobus.net>
parents: 47431
diff changeset
2379 # No need to deal with sidedata writing handle as it is only
cac0e0621ceb revlog: use file read caching for sidedata
Simon Sapin <simon.sapin@octobus.net>
parents: 47431
diff changeset
2380 # relevant with revlog-v2 which is never inline, not reaching
cac0e0621ceb revlog: use file read caching for sidedata
Simon Sapin <simon.sapin@octobus.net>
parents: 47431
diff changeset
2381 # this code
50316
87f0155d68aa revlog: improve the robustness of the splitting process
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49923
diff changeset
2382 if side_write:
87f0155d68aa revlog: improve the robustness of the splitting process
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49923
diff changeset
2383 old_index_file_path = self._indexfile
50390
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
2384 new_index_file_path = self._split_index_file
50316
87f0155d68aa revlog: improve the robustness of the splitting process
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49923
diff changeset
2385 opener = self.opener
50348
f952be90b051 revlog-split: make sure the self._indexfile attribut is reset (issue6811)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50316
diff changeset
2386 weak_self = weakref.ref(self)
50316
87f0155d68aa revlog: improve the robustness of the splitting process
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49923
diff changeset
2387
87f0155d68aa revlog: improve the robustness of the splitting process
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49923
diff changeset
2388 # the "split" index replace the real index when the transaction is finalized
87f0155d68aa revlog: improve the robustness of the splitting process
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49923
diff changeset
2389 def finalize_callback(tr):
87f0155d68aa revlog: improve the robustness of the splitting process
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49923
diff changeset
2390 opener.rename(
87f0155d68aa revlog: improve the robustness of the splitting process
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49923
diff changeset
2391 new_index_file_path,
87f0155d68aa revlog: improve the robustness of the splitting process
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49923
diff changeset
2392 old_index_file_path,
87f0155d68aa revlog: improve the robustness of the splitting process
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49923
diff changeset
2393 checkambig=True,
87f0155d68aa revlog: improve the robustness of the splitting process
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49923
diff changeset
2394 )
50348
f952be90b051 revlog-split: make sure the self._indexfile attribut is reset (issue6811)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50316
diff changeset
2395 maybe_self = weak_self()
f952be90b051 revlog-split: make sure the self._indexfile attribut is reset (issue6811)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50316
diff changeset
2396 if maybe_self is not None:
f952be90b051 revlog-split: make sure the self._indexfile attribut is reset (issue6811)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50316
diff changeset
2397 maybe_self._indexfile = old_index_file_path
f952be90b051 revlog-split: make sure the self._indexfile attribut is reset (issue6811)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50316
diff changeset
2398
f952be90b051 revlog-split: make sure the self._indexfile attribut is reset (issue6811)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50316
diff changeset
2399 def abort_callback(tr):
f952be90b051 revlog-split: make sure the self._indexfile attribut is reset (issue6811)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50316
diff changeset
2400 maybe_self = weak_self()
f952be90b051 revlog-split: make sure the self._indexfile attribut is reset (issue6811)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50316
diff changeset
2401 if maybe_self is not None:
f952be90b051 revlog-split: make sure the self._indexfile attribut is reset (issue6811)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50316
diff changeset
2402 maybe_self._indexfile = old_index_file_path
50316
87f0155d68aa revlog: improve the robustness of the splitting process
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49923
diff changeset
2403
87f0155d68aa revlog: improve the robustness of the splitting process
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49923
diff changeset
2404 tr.registertmp(new_index_file_path)
87f0155d68aa revlog: improve the robustness of the splitting process
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49923
diff changeset
2405 if self.target[1] is not None:
50348
f952be90b051 revlog-split: make sure the self._indexfile attribut is reset (issue6811)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50316
diff changeset
2406 callback_id = b'000-revlog-split-%d-%s' % self.target
50316
87f0155d68aa revlog: improve the robustness of the splitting process
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49923
diff changeset
2407 else:
50348
f952be90b051 revlog-split: make sure the self._indexfile attribut is reset (issue6811)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50316
diff changeset
2408 callback_id = b'000-revlog-split-%d' % self.target[0]
f952be90b051 revlog-split: make sure the self._indexfile attribut is reset (issue6811)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50316
diff changeset
2409 tr.addfinalize(callback_id, finalize_callback)
f952be90b051 revlog-split: make sure the self._indexfile attribut is reset (issue6811)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 50316
diff changeset
2410 tr.addabort(callback_id, abort_callback)
8315
c8493310ad9b revlog: use index to find index size
Matt Mackall <mpm@selenic.com>
parents: 8314
diff changeset
2411
47225
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47224
diff changeset
2412 new_dfh = self._datafp(b'w+')
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47224
diff changeset
2413 new_dfh.truncate(0) # drop any potentially existing data
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47224
diff changeset
2414 try:
51030
9011c38b4f65 revlog: use a `reading` context in `_enforceinlinesize`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51029
diff changeset
2415 with self.reading():
47224
100f061d88f6 revlog: preindent some code in _enforceinlinesize
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47223
diff changeset
2416 for r in self:
51030
9011c38b4f65 revlog: use a `reading` context in `_enforceinlinesize`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51029
diff changeset
2417 new_dfh.write(self._getsegmentforrevs(r, r)[1])
47225
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47224
diff changeset
2418 new_dfh.flush()
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47224
diff changeset
2419
50316
87f0155d68aa revlog: improve the robustness of the splitting process
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49923
diff changeset
2420 if side_write:
87f0155d68aa revlog: improve the robustness of the splitting process
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49923
diff changeset
2421 self._indexfile = new_index_file_path
47230
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47229
diff changeset
2422 with self.__index_new_fp() as fp:
47224
100f061d88f6 revlog: preindent some code in _enforceinlinesize
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47223
diff changeset
2423 self._format_flags &= ~FLAG_INLINE_DATA
100f061d88f6 revlog: preindent some code in _enforceinlinesize
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47223
diff changeset
2424 self._inline = False
100f061d88f6 revlog: preindent some code in _enforceinlinesize
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47223
diff changeset
2425 for i in self:
100f061d88f6 revlog: preindent some code in _enforceinlinesize
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47223
diff changeset
2426 e = self.index.entry_binary(i)
47246
6b1eae313b2f revlogv2: store version information in the docket only
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47245
diff changeset
2427 if i == 0 and self._docket is None:
47224
100f061d88f6 revlog: preindent some code in _enforceinlinesize
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47223
diff changeset
2428 header = self._format_flags | self._format_version
100f061d88f6 revlog: preindent some code in _enforceinlinesize
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47223
diff changeset
2429 header = self.index.pack_header(header)
100f061d88f6 revlog: preindent some code in _enforceinlinesize
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47223
diff changeset
2430 e = header + e
100f061d88f6 revlog: preindent some code in _enforceinlinesize
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47223
diff changeset
2431 fp.write(e)
47249
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47246
diff changeset
2432 if self._docket is not None:
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47246
diff changeset
2433 self._docket.index_end = fp.tell()
47296
46b828b85eb7 revlog: update data file record before index rename
Joerg Sonnenberger <joerg@bec.de>
parents: 47295
diff changeset
2434
50316
87f0155d68aa revlog: improve the robustness of the splitting process
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49923
diff changeset
2435 # If we don't use side-write, the temp file replace the real
87f0155d68aa revlog: improve the robustness of the splitting process
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49923
diff changeset
2436 # index when we exit the context manager
87f0155d68aa revlog: improve the robustness of the splitting process
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49923
diff changeset
2437
47224
100f061d88f6 revlog: preindent some code in _enforceinlinesize
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47223
diff changeset
2438 nodemaputil.setup_persistent_nodemap(tr, self)
47431
e0a314bcbc9d revlog: Extract low-level random-access file read caching logic
Simon Sapin <simon.sapin@octobus.net>
parents: 47420
diff changeset
2439 self._segmentfile = randomaccessfile.randomaccessfile(
e0a314bcbc9d revlog: Extract low-level random-access file read caching logic
Simon Sapin <simon.sapin@octobus.net>
parents: 47420
diff changeset
2440 self.opener,
e0a314bcbc9d revlog: Extract low-level random-access file read caching logic
Simon Sapin <simon.sapin@octobus.net>
parents: 47420
diff changeset
2441 self._datafile,
e0a314bcbc9d revlog: Extract low-level random-access file read caching logic
Simon Sapin <simon.sapin@octobus.net>
parents: 47420
diff changeset
2442 self._chunkcachesize,
e0a314bcbc9d revlog: Extract low-level random-access file read caching logic
Simon Sapin <simon.sapin@octobus.net>
parents: 47420
diff changeset
2443 )
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
2444
47225
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47224
diff changeset
2445 if existing_handles:
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47224
diff changeset
2446 # switched from inline to conventional reopen the index
47230
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47229
diff changeset
2447 ifh = self.__index_write_fp()
47395
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
2448 self._writinghandles = (ifh, new_dfh, None)
47431
e0a314bcbc9d revlog: Extract low-level random-access file read caching logic
Simon Sapin <simon.sapin@octobus.net>
parents: 47420
diff changeset
2449 self._segmentfile.writing_handle = new_dfh
47225
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47224
diff changeset
2450 new_dfh = None
47432
cac0e0621ceb revlog: use file read caching for sidedata
Simon Sapin <simon.sapin@octobus.net>
parents: 47431
diff changeset
2451 # No need to deal with sidedata writing handle as it is only
cac0e0621ceb revlog: use file read caching for sidedata
Simon Sapin <simon.sapin@octobus.net>
parents: 47431
diff changeset
2452 # relevant with revlog-v2 which is never inline, not reaching
cac0e0621ceb revlog: use file read caching for sidedata
Simon Sapin <simon.sapin@octobus.net>
parents: 47431
diff changeset
2453 # this code
47225
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47224
diff changeset
2454 finally:
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47224
diff changeset
2455 if new_dfh is not None:
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47224
diff changeset
2456 new_dfh.close()
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47224
diff changeset
2457
39891
debc4ee597e7 revlog: add a callback "tracking" duplicate node addition
Boris Feld <boris.feld@octobus.net>
parents: 39886
diff changeset
2458 def _nodeduplicatecallback(self, transaction, node):
45957
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 45885
diff changeset
2459 """called when trying to add a node already stored."""
39891
debc4ee597e7 revlog: add a callback "tracking" duplicate node addition
Boris Feld <boris.feld@octobus.net>
parents: 39886
diff changeset
2460
47225
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47224
diff changeset
2461 @contextlib.contextmanager
47469
5fa083a5ff04 copies: Keep changelog sidedata file open during copy tracing
Simon Sapin <simon.sapin@octobus.net>
parents: 47463
diff changeset
2462 def reading(self):
5fa083a5ff04 copies: Keep changelog sidedata file open during copy tracing
Simon Sapin <simon.sapin@octobus.net>
parents: 47463
diff changeset
2463 """Context manager that keeps data and sidedata files open for reading"""
51016
9461a0b74596 revlog: make `reading` not crash on empty repository
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51012
diff changeset
2464 if len(self.index) == 0:
9461a0b74596 revlog: make `reading` not crash on empty repository
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51012
diff changeset
2465 yield # nothing to be read
9461a0b74596 revlog: make `reading` not crash on empty repository
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51012
diff changeset
2466 else:
9461a0b74596 revlog: make `reading` not crash on empty repository
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51012
diff changeset
2467 with self._segmentfile.reading():
9461a0b74596 revlog: make `reading` not crash on empty repository
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51012
diff changeset
2468 with self._segmentfile_sidedata.reading():
9461a0b74596 revlog: make `reading` not crash on empty repository
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51012
diff changeset
2469 yield
47469
5fa083a5ff04 copies: Keep changelog sidedata file open during copy tracing
Simon Sapin <simon.sapin@octobus.net>
parents: 47463
diff changeset
2470
5fa083a5ff04 copies: Keep changelog sidedata file open during copy tracing
Simon Sapin <simon.sapin@octobus.net>
parents: 47463
diff changeset
2471 @contextlib.contextmanager
47225
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47224
diff changeset
2472 def _writing(self, transaction):
47251
4f38ada3fc26 revlog: move the `trypending` logic from the `changelog` to the `revlog`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47250
diff changeset
2473 if self._trypending:
4f38ada3fc26 revlog: move the `trypending` logic from the `changelog` to the `revlog`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47250
diff changeset
2474 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: 47250
diff changeset
2475 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: 47250
diff changeset
2476 raise error.ProgrammingError(msg)
47225
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47224
diff changeset
2477 if self._writinghandles is not None:
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47224
diff changeset
2478 yield
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47224
diff changeset
2479 else:
47395
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
2480 ifh = dfh = sdfh = None
47225
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47224
diff changeset
2481 try:
47335
1844a2e3401c revlog: simplify the try nesting in the `_writing` context
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47332
diff changeset
2482 r = len(self)
1844a2e3401c revlog: simplify the try nesting in the `_writing` context
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47332
diff changeset
2483 # opening the data file.
1844a2e3401c revlog: simplify the try nesting in the `_writing` context
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47332
diff changeset
2484 dsize = 0
1844a2e3401c revlog: simplify the try nesting in the `_writing` context
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47332
diff changeset
2485 if r:
1844a2e3401c revlog: simplify the try nesting in the `_writing` context
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47332
diff changeset
2486 dsize = self.end(r - 1)
1844a2e3401c revlog: simplify the try nesting in the `_writing` context
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47332
diff changeset
2487 dfh = None
1844a2e3401c revlog: simplify the try nesting in the `_writing` context
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47332
diff changeset
2488 if not self._inline:
1844a2e3401c revlog: simplify the try nesting in the `_writing` context
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47332
diff changeset
2489 try:
1844a2e3401c revlog: simplify the try nesting in the `_writing` context
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47332
diff changeset
2490 dfh = self._datafp(b"r+")
1844a2e3401c revlog: simplify the try nesting in the `_writing` context
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47332
diff changeset
2491 if self._docket is None:
1844a2e3401c revlog: simplify the try nesting in the `_writing` context
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47332
diff changeset
2492 dfh.seek(0, os.SEEK_END)
1844a2e3401c revlog: simplify the try nesting in the `_writing` context
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47332
diff changeset
2493 else:
1844a2e3401c revlog: simplify the try nesting in the `_writing` context
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47332
diff changeset
2494 dfh.seek(self._docket.data_end, os.SEEK_SET)
49314
2e726c934fcd py3: catch FileNotFoundError instead of checking errno == ENOENT
Manuel Jacob <me@manueljacob.de>
parents: 49292
diff changeset
2495 except FileNotFoundError:
47335
1844a2e3401c revlog: simplify the try nesting in the `_writing` context
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47332
diff changeset
2496 dfh = self._datafp(b"w+")
1844a2e3401c revlog: simplify the try nesting in the `_writing` context
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47332
diff changeset
2497 transaction.add(self._datafile, dsize)
47395
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
2498 if self._sidedatafile is not None:
47790
60ccc86a12f3 pytype: add assertions to explain revlogv2 invariants to Pytype
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47759
diff changeset
2499 # revlog-v2 does not inline, help Pytype
60ccc86a12f3 pytype: add assertions to explain revlogv2 invariants to Pytype
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47759
diff changeset
2500 assert dfh is not None
47395
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
2501 try:
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
2502 sdfh = self.opener(self._sidedatafile, mode=b"r+")
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
2503 dfh.seek(self._docket.sidedata_end, os.SEEK_SET)
49314
2e726c934fcd py3: catch FileNotFoundError instead of checking errno == ENOENT
Manuel Jacob <me@manueljacob.de>
parents: 49292
diff changeset
2504 except FileNotFoundError:
47395
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
2505 sdfh = self.opener(self._sidedatafile, mode=b"w+")
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
2506 transaction.add(
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
2507 self._sidedatafile, self._docket.sidedata_end
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
2508 )
47335
1844a2e3401c revlog: simplify the try nesting in the `_writing` context
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47332
diff changeset
2509
1844a2e3401c revlog: simplify the try nesting in the `_writing` context
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47332
diff changeset
2510 # opening the index file.
47225
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47224
diff changeset
2511 isize = r * self.index.entry_size
47230
ffa8afc5f931 revlog: only use the `_indexfp` method for read operation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47229
diff changeset
2512 ifh = self.__index_write_fp()
47225
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47224
diff changeset
2513 if self._inline:
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47224
diff changeset
2514 transaction.add(self._indexfile, dsize + isize)
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47224
diff changeset
2515 else:
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47224
diff changeset
2516 transaction.add(self._indexfile, isize)
47335
1844a2e3401c revlog: simplify the try nesting in the `_writing` context
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47332
diff changeset
2517 # exposing all file handle for writing.
47395
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
2518 self._writinghandles = (ifh, dfh, sdfh)
47431
e0a314bcbc9d revlog: Extract low-level random-access file read caching logic
Simon Sapin <simon.sapin@octobus.net>
parents: 47420
diff changeset
2519 self._segmentfile.writing_handle = ifh if self._inline else dfh
47432
cac0e0621ceb revlog: use file read caching for sidedata
Simon Sapin <simon.sapin@octobus.net>
parents: 47431
diff changeset
2520 self._segmentfile_sidedata.writing_handle = sdfh
47335
1844a2e3401c revlog: simplify the try nesting in the `_writing` context
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47332
diff changeset
2521 yield
1844a2e3401c revlog: simplify the try nesting in the `_writing` context
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47332
diff changeset
2522 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: 47332
diff changeset
2523 self._write_docket(transaction)
1844a2e3401c revlog: simplify the try nesting in the `_writing` context
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47332
diff changeset
2524 finally:
1844a2e3401c revlog: simplify the try nesting in the `_writing` context
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47332
diff changeset
2525 self._writinghandles = None
47431
e0a314bcbc9d revlog: Extract low-level random-access file read caching logic
Simon Sapin <simon.sapin@octobus.net>
parents: 47420
diff changeset
2526 self._segmentfile.writing_handle = None
47432
cac0e0621ceb revlog: use file read caching for sidedata
Simon Sapin <simon.sapin@octobus.net>
parents: 47431
diff changeset
2527 self._segmentfile_sidedata.writing_handle = None
47336
27e9ed1217c5 revlog: close the index file handle after the data one
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47335
diff changeset
2528 if dfh is not None:
27e9ed1217c5 revlog: close the index file handle after the data one
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47335
diff changeset
2529 dfh.close()
47395
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
2530 if sdfh is not None:
47419
5e44936b82be revlog: fix a typo closing the wrong file
Matt Harbison <matt_harbison@yahoo.com>
parents: 47408
diff changeset
2531 sdfh.close()
47336
27e9ed1217c5 revlog: close the index file handle after the data one
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47335
diff changeset
2532 # closing the index file last to avoid exposing referent to
27e9ed1217c5 revlog: close the index file handle after the data one
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47335
diff changeset
2533 # potential unflushed data content.
47335
1844a2e3401c revlog: simplify the try nesting in the `_writing` context
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47332
diff changeset
2534 if ifh is not None:
47225
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47224
diff changeset
2535 ifh.close()
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47224
diff changeset
2536
47250
682f09857d69 revlogv2: delay the update of the changelog docket to transaction end
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47249
diff changeset
2537 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: 47249
diff changeset
2538 """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: 47249
diff changeset
2539
682f09857d69 revlogv2: delay the update of the changelog docket to transaction end
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47249
diff changeset
2540 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: 47249
diff changeset
2541
682f09857d69 revlogv2: delay the update of the changelog docket to transaction end
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47249
diff changeset
2542 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: 47249
diff changeset
2543 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: 47249
diff changeset
2544 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: 47249
diff changeset
2545
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2546 def addrevision(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2547 self,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2548 text,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2549 transaction,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2550 link,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2551 p1,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2552 p2,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2553 cachedelta=None,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2554 node=None,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2555 flags=REVIDX_DEFAULT_FLAGS,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2556 deltacomputer=None,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2557 sidedata=None,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2558 ):
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
2559 """add a revision to the log
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
2560
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
2561 text - the revision data to add
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
2562 transaction - the transaction object used for rollback
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
2563 link - the linkrev data to add
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
2564 p1, p2 - the parent nodeids of the revision
12012
bade7a9c5c07 revlog: fix docstring
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 12011
diff changeset
2565 cachedelta - an optional precomputed delta
19625
6a411a06cb1f revlog: pass node as an argument of addrevision
Wojciech Lopata <lopek@fb.com>
parents: 19624
diff changeset
2566 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
2567 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
2568 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
2569 flags - the known flags to set on the revision
39357
655b5b465953 revlog: split functionality related to deltas computation in a new module
Boris Feld <boris.feld@octobus.net>
parents: 39356
diff changeset
2570 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
2571 multiple calls
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
2572 """
19326
7014526d67a8 revlog: add exception when linkrev == nullrev
Durham Goode <durham@fb.com>
parents: 19200
diff changeset
2573 if link == nullrev:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2574 raise error.RevlogError(
47177
6bc7c467a7d1 revlog: use revlog.display_id in error related to bad revisions
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
2575 _(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
2576 )
25459
0bda5bfaf0b1 revlog: move size limit check to addrevision
Matt Mackall <mpm@selenic.com>
parents: 25410
diff changeset
2577
42988
33532939c667 revlog: add a `sidedata` parameters to addrevision
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42987
diff changeset
2578 if sidedata is None:
33532939c667 revlog: add a `sidedata` parameters to addrevision
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42987
diff changeset
2579 sidedata = {}
47098
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47095
diff changeset
2580 elif sidedata and not self.hassidedata:
43030
827cb4fe62a3 sidedata: introduce a new requirement to protect the feature
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43027
diff changeset
2581 raise error.ProgrammingError(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2582 _(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
2583 )
42988
33532939c667 revlog: add a `sidedata` parameters to addrevision
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42987
diff changeset
2584
30745
c1b7b2285522 revlog: flag processor
Remi Chaintron <remi@fb.com>
parents: 30744
diff changeset
2585 if flags:
c1b7b2285522 revlog: flag processor
Remi Chaintron <remi@fb.com>
parents: 30744
diff changeset
2586 node = node or self.hash(text, p1, p2)
c1b7b2285522 revlog: flag processor
Remi Chaintron <remi@fb.com>
parents: 30744
diff changeset
2587
46722
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2588 rawtext, validatehash = flagutil.processflagswrite(self, text, flags)
30745
c1b7b2285522 revlog: flag processor
Remi Chaintron <remi@fb.com>
parents: 30744
diff changeset
2589
c1b7b2285522 revlog: flag processor
Remi Chaintron <remi@fb.com>
parents: 30744
diff changeset
2590 # If the flag processor modifies the revision data, ignore any provided
c1b7b2285522 revlog: flag processor
Remi Chaintron <remi@fb.com>
parents: 30744
diff changeset
2591 # cachedelta.
31755
f319981c24c9 revlog: rename some "text"s to "rawtext"
Jun Wu <quark@fb.com>
parents: 31754
diff changeset
2592 if rawtext != text:
30745
c1b7b2285522 revlog: flag processor
Remi Chaintron <remi@fb.com>
parents: 30744
diff changeset
2593 cachedelta = None
c1b7b2285522 revlog: flag processor
Remi Chaintron <remi@fb.com>
parents: 30744
diff changeset
2594
31755
f319981c24c9 revlog: rename some "text"s to "rawtext"
Jun Wu <quark@fb.com>
parents: 31754
diff changeset
2595 if len(rawtext) > _maxentrysize:
39789
2cd93a8d4bde revlog: drop RevlogError alias (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39785
diff changeset
2596 raise error.RevlogError(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2597 _(
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2598 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
2599 )
47176
dfe8074239de revlog: use revlog.display_id in "revision too big" errors
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47175
diff changeset
2600 % (self.display_id, len(rawtext))
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2601 )
25459
0bda5bfaf0b1 revlog: move size limit check to addrevision
Matt Mackall <mpm@selenic.com>
parents: 25410
diff changeset
2602
31755
f319981c24c9 revlog: rename some "text"s to "rawtext"
Jun Wu <quark@fb.com>
parents: 31754
diff changeset
2603 node = node or self.hash(rawtext, p1, p2)
46560
f7b61ad3c64a revlog: change addrevision to return the new revision, not node
Joerg Sonnenberger <joerg@bec.de>
parents: 46559
diff changeset
2604 rev = self.index.get_rev(node)
f7b61ad3c64a revlog: change addrevision to return the new revision, not node
Joerg Sonnenberger <joerg@bec.de>
parents: 46559
diff changeset
2605 if rev is not None:
f7b61ad3c64a revlog: change addrevision to return the new revision, not node
Joerg Sonnenberger <joerg@bec.de>
parents: 46559
diff changeset
2606 return rev
12023
44c22dc193a4 revlog.addrevision(): move computation of nodeid in addrevision()
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 12012
diff changeset
2607
30745
c1b7b2285522 revlog: flag processor
Remi Chaintron <remi@fb.com>
parents: 30744
diff changeset
2608 if validatehash:
31755
f319981c24c9 revlog: rename some "text"s to "rawtext"
Jun Wu <quark@fb.com>
parents: 31754
diff changeset
2609 self.checkhash(rawtext, node, p1=p1, p2=p2)
30745
c1b7b2285522 revlog: flag processor
Remi Chaintron <remi@fb.com>
parents: 30744
diff changeset
2610
46560
f7b61ad3c64a revlog: change addrevision to return the new revision, not node
Joerg Sonnenberger <joerg@bec.de>
parents: 46559
diff changeset
2611 return self.addrawrevision(
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2612 rawtext,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2613 transaction,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2614 link,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2615 p1,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2616 p2,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2617 node,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2618 flags,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2619 cachedelta=cachedelta,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2620 deltacomputer=deltacomputer,
46722
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2621 sidedata=sidedata,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2622 )
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2623
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2624 def addrawrevision(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2625 self,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2626 rawtext,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2627 transaction,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2628 link,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2629 p1,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2630 p2,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2631 node,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2632 flags,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2633 cachedelta=None,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2634 deltacomputer=None,
46722
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2635 sidedata=None,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2636 ):
32284
3de4c61b5087 revlog: move part of "addrevision" to "addrawrevision"
Jun Wu <quark@fb.com>
parents: 32269
diff changeset
2637 """add a raw revision with known flags, node and parents
3de4c61b5087 revlog: move part of "addrevision" to "addrawrevision"
Jun Wu <quark@fb.com>
parents: 32269
diff changeset
2638 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: 32269
diff changeset
2639 over wire, or read from an external bundle).
3de4c61b5087 revlog: move part of "addrevision" to "addrawrevision"
Jun Wu <quark@fb.com>
parents: 32269
diff changeset
2640 """
47225
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47224
diff changeset
2641 with self._writing(transaction):
46559
9ee4e988e2be revlog: change addrawrevision to return the revision
Joerg Sonnenberger <joerg@bec.de>
parents: 46558
diff changeset
2642 return self._addrevision(
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2643 node,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2644 rawtext,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2645 transaction,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2646 link,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2647 p1,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2648 p2,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2649 flags,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2650 cachedelta,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2651 deltacomputer=deltacomputer,
46722
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2652 sidedata=sidedata,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2653 )
3390
a74addddd092 make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3360
diff changeset
2654
30795
78ac56aebab6 revlog: use compression engine API for compression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30793
diff changeset
2655 def compress(self, data):
78ac56aebab6 revlog: use compression engine API for compression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30793
diff changeset
2656 """Generate a possibly-compressed representation of data."""
78ac56aebab6 revlog: use compression engine API for compression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30793
diff changeset
2657 if not data:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2658 return b'', data
30795
78ac56aebab6 revlog: use compression engine API for compression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30793
diff changeset
2659
78ac56aebab6 revlog: use compression engine API for compression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30793
diff changeset
2660 compressed = self._compressor.compress(data)
78ac56aebab6 revlog: use compression engine API for compression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30793
diff changeset
2661
78ac56aebab6 revlog: use compression engine API for compression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30793
diff changeset
2662 if compressed:
78ac56aebab6 revlog: use compression engine API for compression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30793
diff changeset
2663 # The revlog compressor added the header in the returned data.
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2664 return b'', compressed
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2665
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2666 if data[0:1] == b'\0':
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2667 return b'', data
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2668 return b'u', data
17128
1028a1c9077a revlog: make compress a method
Bryan O'Sullivan <bryano@fb.com>
parents: 17009
diff changeset
2669
30793
b6f455a6e4d6 revlog: move decompress() from module to revlog class (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30792
diff changeset
2670 def decompress(self, data):
b6f455a6e4d6 revlog: move decompress() from module to revlog class (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30792
diff changeset
2671 """Decompress a revlog chunk.
b6f455a6e4d6 revlog: move decompress() from module to revlog class (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30792
diff changeset
2672
b6f455a6e4d6 revlog: move decompress() from module to revlog class (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30792
diff changeset
2673 The chunk is expected to begin with a header identifying the
b6f455a6e4d6 revlog: move decompress() from module to revlog class (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30792
diff changeset
2674 format type so it can be routed to an appropriate decompressor.
b6f455a6e4d6 revlog: move decompress() from module to revlog class (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30792
diff changeset
2675 """
b6f455a6e4d6 revlog: move decompress() from module to revlog class (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30792
diff changeset
2676 if not data:
b6f455a6e4d6 revlog: move decompress() from module to revlog class (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30792
diff changeset
2677 return data
30817
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2678
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2679 # Revlogs are read much more frequently than they are written and many
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2680 # chunks only take microseconds to decompress, so performance is
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2681 # important here.
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2682 #
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2683 # We can make a few assumptions about revlogs:
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2684 #
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2685 # 1) the majority of chunks will be compressed (as opposed to inline
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2686 # raw data).
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2687 # 2) decompressing *any* data will likely by at least 10x slower than
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2688 # returning raw inline data.
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2689 # 3) we want to prioritize common and officially supported compression
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2690 # engines
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2691 #
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2692 # It follows that we want to optimize for "decompress compressed data
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2693 # when encoded with common and officially supported compression engines"
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2694 # case over "raw data" and "data encoded by less common or non-official
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2695 # compression engines." That is why we have the inline lookup first
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2696 # followed by the compengines lookup.
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2697 #
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2698 # According to `hg perfrevlogchunks`, this is ~0.5% faster for zlib
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2699 # compressed chunks. And this matters for changelog and manifest reads.
31365
ef6888172437 revlog: extract first byte of revlog with a slice so it's portable
Augie Fackler <augie@google.com>
parents: 30829
diff changeset
2700 t = data[0:1]
30817
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2701
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2702 if t == b'x':
30793
b6f455a6e4d6 revlog: move decompress() from module to revlog class (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30792
diff changeset
2703 try:
30817
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2704 return _zlibdecompress(data)
30793
b6f455a6e4d6 revlog: move decompress() from module to revlog class (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30792
diff changeset
2705 except zlib.error as e:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2706 raise error.RevlogError(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2707 _(b'revlog decompress error: %s')
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2708 % stringutil.forcebytestr(e)
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2709 )
30817
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2710 # '\0' is more common than 'u' so it goes first.
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2711 elif t == b'\0':
30817
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2712 return data
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2713 elif t == b'u':
30793
b6f455a6e4d6 revlog: move decompress() from module to revlog class (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30792
diff changeset
2714 return util.buffer(data, 1)
30817
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2715
47265
eac3591abbf4 revlog: add a `_get_decompressor` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47264
diff changeset
2716 compressor = self._get_decompressor(t)
30817
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2717
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2718 return compressor.decompress(data)
30793
b6f455a6e4d6 revlog: move decompress() from module to revlog class (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30792
diff changeset
2719
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2720 def _addrevision(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2721 self,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2722 node,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2723 rawtext,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2724 transaction,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2725 link,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2726 p1,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2727 p2,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2728 flags,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2729 cachedelta,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2730 alwayscache=False,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2731 deltacomputer=None,
46722
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2732 sidedata=None,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2733 ):
14292
c97d8485b5fa revlog: add docstring to _addrevision
Sune Foldager <cryo@cyanite.org>
parents: 14270
diff changeset
2734 """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
2735
14292
c97d8485b5fa revlog: add docstring to _addrevision
Sune Foldager <cryo@cyanite.org>
parents: 14270
diff changeset
2736 see addrevision for argument descriptions.
31760
ec48d57de110 revlog: make _addrevision only accept rawtext
Jun Wu <quark@fb.com>
parents: 31759
diff changeset
2737
ec48d57de110 revlog: make _addrevision only accept rawtext
Jun Wu <quark@fb.com>
parents: 31759
diff changeset
2738 note: "addrevision" takes non-raw text, "_addrevision" takes raw text.
ec48d57de110 revlog: make _addrevision only accept rawtext
Jun Wu <quark@fb.com>
parents: 31759
diff changeset
2739
35738
f90f6fd130c1 revlog: group delta computation methods under _deltacomputer object
Paul Morelle <paul.morelle@octobus.net>
parents: 35737
diff changeset
2740 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
2741 be used.
f90f6fd130c1 revlog: group delta computation methods under _deltacomputer object
Paul Morelle <paul.morelle@octobus.net>
parents: 35737
diff changeset
2742
14292
c97d8485b5fa revlog: add docstring to _addrevision
Sune Foldager <cryo@cyanite.org>
parents: 14270
diff changeset
2743 invariants:
31760
ec48d57de110 revlog: make _addrevision only accept rawtext
Jun Wu <quark@fb.com>
parents: 31759
diff changeset
2744 - 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
2745 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
2746 """
47055
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
2747 if node == self.nullid:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2748 raise error.RevlogError(
47177
6bc7c467a7d1 revlog: use revlog.display_id in error related to bad revisions
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
2749 _(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
2750 )
47055
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
2751 if (
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
2752 node == self.nodeconstants.wdirid
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
2753 or node in self.nodeconstants.wdirfilenodeids
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
2754 ):
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2755 raise error.RevlogError(
47177
6bc7c467a7d1 revlog: use revlog.display_id in error related to bad revisions
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47176
diff changeset
2756 _(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
2757 )
47225
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47224
diff changeset
2758 if self._writinghandles is None:
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47224
diff changeset
2759 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: 47224
diff changeset
2760 raise error.ProgrammingError(msg)
34045
bfb38c5cebf4 revlog: move check for wdir from changelog to revlog
Martin von Zweigbergk <martinvonz@google.com>
parents: 34044
diff changeset
2761
31760
ec48d57de110 revlog: make _addrevision only accept rawtext
Jun Wu <quark@fb.com>
parents: 31759
diff changeset
2762 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
2763
6750
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog
Matt Mackall <mpm@selenic.com>
parents: 6703
diff changeset
2764 curr = len(self)
4981
e7131935fbb3 revlog: simplify addrevision
Matt Mackall <mpm@selenic.com>
parents: 4980
diff changeset
2765 prev = curr - 1
46723
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46722
diff changeset
2766
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46722
diff changeset
2767 offset = self._get_data_offset(prev)
46646
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46561
diff changeset
2768
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46561
diff changeset
2769 if self._concurrencychecker:
47395
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
2770 ifh, dfh, sdfh = self._writinghandles
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
2771 # XXX no checking for the sidedata file
46646
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46561
diff changeset
2772 if self._inline:
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46561
diff changeset
2773 # 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: 46561
diff changeset
2774 # the size of the entry metadata.
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46561
diff changeset
2775 self._concurrencychecker(
47162
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
2776 ifh, self._indexfile, offset + curr * self.index.entry_size
46646
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46561
diff changeset
2777 )
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46561
diff changeset
2778 else:
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46561
diff changeset
2779 # 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: 46561
diff changeset
2780 self._concurrencychecker(
47162
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
2781 ifh, self._indexfile, curr * self.index.entry_size
46646
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46561
diff changeset
2782 )
47163
396442cd7e6a revlog: rename `datafile` to `datafile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47162
diff changeset
2783 self._concurrencychecker(dfh, self._datafile, offset)
46646
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46561
diff changeset
2784
12889
5482c6b826f4 revlog: precalculate p1 and p2 revisions
Matt Mackall <mpm@selenic.com>
parents: 12888
diff changeset
2785 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
2786
26116
562cfc99e611 revlog: move textlen calculation to be above delta chooser
Durham Goode <durham@fb.com>
parents: 26115
diff changeset
2787 # 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
2788 # become comparable to the uncompressed text
31760
ec48d57de110 revlog: make _addrevision only accept rawtext
Jun Wu <quark@fb.com>
parents: 31759
diff changeset
2789 if rawtext is None:
35841
369aadf7a326 revlog: resolve lfs rawtext to vanilla rawtext before applying delta
Jun Wu <quark@fb.com>
parents: 35840
diff changeset
2790 # 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: 35840
diff changeset
2791 # 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: 35840
diff changeset
2792 # logic that might remove metadata size.
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2793 textlen = mdiff.patchedsize(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2794 revlog.size(self, cachedelta[0]), cachedelta[1]
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2795 )
26116
562cfc99e611 revlog: move textlen calculation to be above delta chooser
Durham Goode <durham@fb.com>
parents: 26115
diff changeset
2796 else:
31760
ec48d57de110 revlog: make _addrevision only accept rawtext
Jun Wu <quark@fb.com>
parents: 31759
diff changeset
2797 textlen = len(rawtext)
26116
562cfc99e611 revlog: move textlen calculation to be above delta chooser
Durham Goode <durham@fb.com>
parents: 26115
diff changeset
2798
35738
f90f6fd130c1 revlog: group delta computation methods under _deltacomputer object
Paul Morelle <paul.morelle@octobus.net>
parents: 35737
diff changeset
2799 if deltacomputer is None:
49248
2bcf5e14bb7e deltas: add a `debug.revlog.debug-delta` config option enable output
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49077
diff changeset
2800 write_debug = None
2bcf5e14bb7e deltas: add a `debug.revlog.debug-delta` config option enable output
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49077
diff changeset
2801 if self._debug_delta:
2bcf5e14bb7e deltas: add a `debug.revlog.debug-delta` config option enable output
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49077
diff changeset
2802 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: 49077
diff changeset
2803 deltacomputer = deltautil.deltacomputer(
2bcf5e14bb7e deltas: add a `debug.revlog.debug-delta` config option enable output
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49077
diff changeset
2804 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: 49077
diff changeset
2805 )
35738
f90f6fd130c1 revlog: group delta computation methods under _deltacomputer object
Paul Morelle <paul.morelle@octobus.net>
parents: 35737
diff changeset
2806
49791
05db41701ece find-delta: pass the cache-delta usage policy alongside the cache-delta
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49778
diff changeset
2807 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: 49778
diff changeset
2808 # 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: 49778
diff changeset
2809 # 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: 49778
diff changeset
2810 # revlog's configuration.
05db41701ece find-delta: pass the cache-delta usage policy alongside the cache-delta
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49778
diff changeset
2811 if self._generaldelta and self._lazydeltabase:
05db41701ece find-delta: pass the cache-delta usage policy alongside the cache-delta
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49778
diff changeset
2812 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: 49778
diff changeset
2813 else:
05db41701ece find-delta: pass the cache-delta usage policy alongside the cache-delta
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49778
diff changeset
2814 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: 49778
diff changeset
2815 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: 49778
diff changeset
2816
47405
34cc102c73f5 revlog: move `revisioninfo` in `revlogutils`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47402
diff changeset
2817 revinfo = revlogutils.revisioninfo(
34cc102c73f5 revlog: move `revisioninfo` in `revlogutils`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47402
diff changeset
2818 node,
34cc102c73f5 revlog: move `revisioninfo` in `revlogutils`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47402
diff changeset
2819 p1,
34cc102c73f5 revlog: move `revisioninfo` in `revlogutils`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47402
diff changeset
2820 p2,
34cc102c73f5 revlog: move `revisioninfo` in `revlogutils`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47402
diff changeset
2821 btext,
34cc102c73f5 revlog: move `revisioninfo` in `revlogutils`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47402
diff changeset
2822 textlen,
34cc102c73f5 revlog: move `revisioninfo` in `revlogutils`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47402
diff changeset
2823 cachedelta,
34cc102c73f5 revlog: move `revisioninfo` in `revlogutils`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47402
diff changeset
2824 flags,
34cc102c73f5 revlog: move `revisioninfo` in `revlogutils`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47402
diff changeset
2825 )
35840
33275ab5e837 revlog: do not use delta for lfs revisions
Jun Wu <quark@fb.com>
parents: 35839
diff changeset
2826
51025
509f0f7fc89e delta-computer: stop explicitly taking file handle
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51023
diff changeset
2827 deltainfo = deltacomputer.finddeltainfo(revinfo)
35634
b43578ec483a revlog: refactor out the selection of candidate revisions
Paul Morelle <paul.morelle@octobus.net>
parents: 35525
diff changeset
2828
47264
b876f0bf7366 revlog: introduce a plain compression mode
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47263
diff changeset
2829 compression_mode = COMP_MODE_INLINE
b876f0bf7366 revlog: introduce a plain compression mode
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47263
diff changeset
2830 if self._docket is not None:
47458
c6844912c327 revlog: factor the logic to determine the delta compression out
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47456
diff changeset
2831 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: 47456
diff changeset
2832 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: 47456
diff changeset
2833 compression_mode, deltainfo = r
47264
b876f0bf7366 revlog: introduce a plain compression mode
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47263
diff changeset
2834
47267
2b69555e4875 revlog: introduce a compression mode for sidedata in the revlog index
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47266
diff changeset
2835 sidedata_compression_mode = COMP_MODE_INLINE
47150
84b176ad2860 revlog: replace REVLOGV2 check related to sidedata with `hassidedata` checks
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47148
diff changeset
2836 if sidedata and self.hassidedata:
47267
2b69555e4875 revlog: introduce a compression mode for sidedata in the revlog index
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47266
diff changeset
2837 sidedata_compression_mode = COMP_MODE_PLAIN
46722
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2838 serialized_sidedata = sidedatautil.serialize_sidedata(sidedata)
47395
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
2839 sidedata_offset = self._docket.sidedata_end
47269
c4dbb7636a12 revlog: compress sidedata in `_writeentry`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47268
diff changeset
2840 h, comp_sidedata = self.compress(serialized_sidedata)
c4dbb7636a12 revlog: compress sidedata in `_writeentry`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47268
diff changeset
2841 if (
c4dbb7636a12 revlog: compress sidedata in `_writeentry`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47268
diff changeset
2842 h != b'u'
c4dbb7636a12 revlog: compress sidedata in `_writeentry`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47268
diff changeset
2843 and comp_sidedata[0:1] != b'\0'
c4dbb7636a12 revlog: compress sidedata in `_writeentry`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47268
diff changeset
2844 and len(comp_sidedata) < len(serialized_sidedata)
c4dbb7636a12 revlog: compress sidedata in `_writeentry`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47268
diff changeset
2845 ):
c4dbb7636a12 revlog: compress sidedata in `_writeentry`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47268
diff changeset
2846 assert not h
c4dbb7636a12 revlog: compress sidedata in `_writeentry`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47268
diff changeset
2847 if (
c4dbb7636a12 revlog: compress sidedata in `_writeentry`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47268
diff changeset
2848 comp_sidedata[0:1]
c4dbb7636a12 revlog: compress sidedata in `_writeentry`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47268
diff changeset
2849 == self._docket.default_compression_header
c4dbb7636a12 revlog: compress sidedata in `_writeentry`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47268
diff changeset
2850 ):
c4dbb7636a12 revlog: compress sidedata in `_writeentry`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47268
diff changeset
2851 sidedata_compression_mode = COMP_MODE_DEFAULT
c4dbb7636a12 revlog: compress sidedata in `_writeentry`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47268
diff changeset
2852 serialized_sidedata = comp_sidedata
c4dbb7636a12 revlog: compress sidedata in `_writeentry`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47268
diff changeset
2853 else:
c4dbb7636a12 revlog: compress sidedata in `_writeentry`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47268
diff changeset
2854 sidedata_compression_mode = COMP_MODE_INLINE
c4dbb7636a12 revlog: compress sidedata in `_writeentry`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47268
diff changeset
2855 serialized_sidedata = comp_sidedata
46722
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2856 else:
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2857 serialized_sidedata = b""
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2858 # 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: 46717
diff changeset
2859 # 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: 46717
diff changeset
2860 # than ones we manually add.
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2861 sidedata_offset = 0
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2862
48764
2e949ede7350 rank: naive rank property computation and retrieval
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 48695
diff changeset
2863 rank = RANK_UNKNOWN
49778
45d7b8c380d7 changelog-v2: add a configuration to disable rank computation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49772
diff changeset
2864 if self._compute_rank:
48768
580660518459 rank: compute property incrementally
pacien <pacien.trangirard@pacien.net>
parents: 48764
diff changeset
2865 if (p1r, p2r) == (nullrev, nullrev):
580660518459 rank: compute property incrementally
pacien <pacien.trangirard@pacien.net>
parents: 48764
diff changeset
2866 rank = 1
580660518459 rank: compute property incrementally
pacien <pacien.trangirard@pacien.net>
parents: 48764
diff changeset
2867 elif p1r != nullrev and p2r == nullrev:
580660518459 rank: compute property incrementally
pacien <pacien.trangirard@pacien.net>
parents: 48764
diff changeset
2868 rank = 1 + self.fast_rank(p1r)
580660518459 rank: compute property incrementally
pacien <pacien.trangirard@pacien.net>
parents: 48764
diff changeset
2869 elif p1r == nullrev and p2r != nullrev:
580660518459 rank: compute property incrementally
pacien <pacien.trangirard@pacien.net>
parents: 48764
diff changeset
2870 rank = 1 + self.fast_rank(p2r)
580660518459 rank: compute property incrementally
pacien <pacien.trangirard@pacien.net>
parents: 48764
diff changeset
2871 else: # merge node
48946
6ea9ead59cf8 revlog: use rust rank computation if available
pacien <pacien.trangirard@pacien.net>
parents: 48942
diff changeset
2872 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: 48942
diff changeset
2873 rank = rustdagop.rank(self.index, p1r, p2r)
6ea9ead59cf8 revlog: use rust rank computation if available
pacien <pacien.trangirard@pacien.net>
parents: 48942
diff changeset
2874 else:
6ea9ead59cf8 revlog: use rust rank computation if available
pacien <pacien.trangirard@pacien.net>
parents: 48942
diff changeset
2875 pmin, pmax = sorted((p1r, p2r))
6ea9ead59cf8 revlog: use rust rank computation if available
pacien <pacien.trangirard@pacien.net>
parents: 48942
diff changeset
2876 rank = 1 + self.fast_rank(pmax)
6ea9ead59cf8 revlog: use rust rank computation if available
pacien <pacien.trangirard@pacien.net>
parents: 48942
diff changeset
2877 rank += sum(1 for _ in self.findmissingrevs([pmax], [pmin]))
48764
2e949ede7350 rank: naive rank property computation and retrieval
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 48695
diff changeset
2878
47402
8230f0204eb8 revlog: use the new `entry` function in revlog.py
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47400
diff changeset
2879 e = revlogutils.entry(
8230f0204eb8 revlog: use the new `entry` function in revlog.py
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47400
diff changeset
2880 flags=flags,
8230f0204eb8 revlog: use the new `entry` function in revlog.py
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47400
diff changeset
2881 data_offset=offset,
8230f0204eb8 revlog: use the new `entry` function in revlog.py
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47400
diff changeset
2882 data_compressed_length=deltainfo.deltalen,
8230f0204eb8 revlog: use the new `entry` function in revlog.py
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47400
diff changeset
2883 data_uncompressed_length=textlen,
8230f0204eb8 revlog: use the new `entry` function in revlog.py
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47400
diff changeset
2884 data_compression_mode=compression_mode,
8230f0204eb8 revlog: use the new `entry` function in revlog.py
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47400
diff changeset
2885 data_delta_base=deltainfo.base,
8230f0204eb8 revlog: use the new `entry` function in revlog.py
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47400
diff changeset
2886 link_rev=link,
8230f0204eb8 revlog: use the new `entry` function in revlog.py
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47400
diff changeset
2887 parent_rev_1=p1r,
8230f0204eb8 revlog: use the new `entry` function in revlog.py
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47400
diff changeset
2888 parent_rev_2=p2r,
8230f0204eb8 revlog: use the new `entry` function in revlog.py
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47400
diff changeset
2889 node_id=node,
8230f0204eb8 revlog: use the new `entry` function in revlog.py
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47400
diff changeset
2890 sidedata_offset=sidedata_offset,
8230f0204eb8 revlog: use the new `entry` function in revlog.py
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47400
diff changeset
2891 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: 47400
diff changeset
2892 sidedata_compression_mode=sidedata_compression_mode,
48764
2e949ede7350 rank: naive rank property computation and retrieval
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 48695
diff changeset
2893 rank=rank,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2894 )
46717
913485776542 revlog: introduce v2 format
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46646
diff changeset
2895
38889
6104b203bec8 index: replace insert(-1, e) method by append(e) method
Martin von Zweigbergk <martinvonz@google.com>
parents: 38888
diff changeset
2896 self.index.append(e)
47078
d57386e5c80e revlog: have an explicit "pack_header" method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47077
diff changeset
2897 entry = self.index.entry_binary(curr)
47246
6b1eae313b2f revlogv2: store version information in the docket only
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47245
diff changeset
2898 if curr == 0 and self._docket is None:
47153
f58a13c52726 revlog: split the `version` attribute into its two components
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47150
diff changeset
2899 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: 47150
diff changeset
2900 header = self.index.pack_header(header)
47078
d57386e5c80e revlog: have an explicit "pack_header" method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47077
diff changeset
2901 entry = header + entry
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2902 self._writeentry(
46722
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2903 transaction,
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2904 entry,
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2905 deltainfo.data,
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2906 link,
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2907 offset,
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2908 serialized_sidedata,
47395
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
2909 sidedata_offset,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2910 )
39360
5d343a24bff5 revlogdeltas: always return a delta info object in finddeltainfo
Boris Feld <boris.feld@octobus.net>
parents: 39359
diff changeset
2911
5d343a24bff5 revlogdeltas: always return a delta info object in finddeltainfo
Boris Feld <boris.feld@octobus.net>
parents: 39359
diff changeset
2912 rawtext = btext[0]
20217
33394f2e331e revlog: move file writing to a separate function
Durham Goode <durham@fb.com>
parents: 20180
diff changeset
2913
31760
ec48d57de110 revlog: make _addrevision only accept rawtext
Jun Wu <quark@fb.com>
parents: 31759
diff changeset
2914 if alwayscache and rawtext is None:
51025
509f0f7fc89e delta-computer: stop explicitly taking file handle
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51023
diff changeset
2915 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
2916
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2917 if type(rawtext) == bytes: # only accept immutable objects
40053
55db747a21ad revlog: rename _cache to _revisioncache
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40011
diff changeset
2918 self._revisioncache = (node, curr, rawtext)
39360
5d343a24bff5 revlogdeltas: always return a delta info object in finddeltainfo
Boris Feld <boris.feld@octobus.net>
parents: 39359
diff changeset
2919 self._chainbasecache[curr] = deltainfo.chainbase
46558
07984507d553 revlog: change _addrevision to return the new revision
Joerg Sonnenberger <joerg@bec.de>
parents: 46530
diff changeset
2920 return curr
20217
33394f2e331e revlog: move file writing to a separate function
Durham Goode <durham@fb.com>
parents: 20180
diff changeset
2921
46723
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46722
diff changeset
2922 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: 46722
diff changeset
2923 """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: 46722
diff changeset
2924 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: 46722
diff changeset
2925 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: 46722
diff changeset
2926 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: 46722
diff changeset
2927 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: 46722
diff changeset
2928 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: 46722
diff changeset
2929
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46722
diff changeset
2930 TODO cache this in a docket file before getting out of experimental."""
47253
4abd474a10af revlogv2: also keep track for the size of the "data" file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47252
diff changeset
2931 if self._docket is None:
46723
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46722
diff changeset
2932 return self.end(prev)
47253
4abd474a10af revlogv2: also keep track for the size of the "data" file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47252
diff changeset
2933 else:
4abd474a10af revlogv2: also keep track for the size of the "data" file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47252
diff changeset
2934 return self._docket.data_end
46723
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46722
diff changeset
2935
47395
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
2936 def _writeentry(
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
2937 self, transaction, entry, data, link, offset, sidedata, sidedata_offset
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
2938 ):
27430
e240e914d226 revlog: seek to end of file before writing (issue4943)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26705
diff changeset
2939 # 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
2940 # 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
2941 # 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
2942 # 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
2943 # 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
2944 # 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
2945 # 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
2946 #
e240e914d226 revlog: seek to end of file before writing (issue4943)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26705
diff changeset
2947 # We work around this issue by inserting a seek() before writing.
40671
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40670
diff changeset
2948 # 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: 40670
diff changeset
2949 # 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: 40670
diff changeset
2950 # to be careful before changing this.
47225
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47224
diff changeset
2951 if self._writinghandles is None:
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47224
diff changeset
2952 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: 47224
diff changeset
2953 raise error.ProgrammingError(msg)
47395
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
2954 ifh, dfh, sdfh = self._writinghandles
47249
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47246
diff changeset
2955 if self._docket is None:
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47246
diff changeset
2956 ifh.seek(0, os.SEEK_END)
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47246
diff changeset
2957 else:
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47246
diff changeset
2958 ifh.seek(self._docket.index_end, os.SEEK_SET)
27441
e47841c8343d revlog: fix bad indentation (replace tab by space)
Martin von Zweigbergk <martinvonz@google.com>
parents: 27430
diff changeset
2959 if dfh:
47253
4abd474a10af revlogv2: also keep track for the size of the "data" file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47252
diff changeset
2960 if self._docket is None:
4abd474a10af revlogv2: also keep track for the size of the "data" file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47252
diff changeset
2961 dfh.seek(0, os.SEEK_END)
4abd474a10af revlogv2: also keep track for the size of the "data" file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47252
diff changeset
2962 else:
4abd474a10af revlogv2: also keep track for the size of the "data" file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47252
diff changeset
2963 dfh.seek(self._docket.data_end, os.SEEK_SET)
47395
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
2964 if sdfh:
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
2965 sdfh.seek(self._docket.sidedata_end, os.SEEK_SET)
27430
e240e914d226 revlog: seek to end of file before writing (issue4943)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26705
diff changeset
2966
20217
33394f2e331e revlog: move file writing to a separate function
Durham Goode <durham@fb.com>
parents: 20180
diff changeset
2967 curr = len(self) - 1
4982
9672e3c42b0c revlog: change _inline from a function to a variable
Matt Mackall <mpm@selenic.com>
parents: 4981
diff changeset
2968 if not self._inline:
47163
396442cd7e6a revlog: rename `datafile` to `datafile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47162
diff changeset
2969 transaction.add(self._datafile, offset)
47395
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
2970 if self._sidedatafile:
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
2971 transaction.add(self._sidedatafile, sidedata_offset)
47162
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
2972 transaction.add(self._indexfile, curr * len(entry))
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
2973 if data[0]:
3390
a74addddd092 make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3360
diff changeset
2974 dfh.write(data[0])
a74addddd092 make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3360
diff changeset
2975 dfh.write(data[1])
46722
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2976 if sidedata:
47395
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
2977 sdfh.write(sidedata)
4981
e7131935fbb3 revlog: simplify addrevision
Matt Mackall <mpm@selenic.com>
parents: 4980
diff changeset
2978 ifh.write(entry)
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
2979 else:
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
2980 offset += curr * self.index.entry_size
47162
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
2981 transaction.add(self._indexfile, offset)
4981
e7131935fbb3 revlog: simplify addrevision
Matt Mackall <mpm@selenic.com>
parents: 4980
diff changeset
2982 ifh.write(entry)
3390
a74addddd092 make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3360
diff changeset
2983 ifh.write(data[0])
a74addddd092 make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3360
diff changeset
2984 ifh.write(data[1])
47395
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
2985 assert not sidedata
47225
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47224
diff changeset
2986 self._enforceinlinesize(transaction)
47249
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47246
diff changeset
2987 if self._docket is not None:
47790
60ccc86a12f3 pytype: add assertions to explain revlogv2 invariants to Pytype
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47759
diff changeset
2988 # revlog-v2 always has 3 writing handles, help Pytype
48287
ebac18733142 typing: add a few assertions to revlog.py to help pytype
Matt Harbison <matt_harbison@yahoo.com>
parents: 47790
diff changeset
2989 wh1 = self._writinghandles[0]
ebac18733142 typing: add a few assertions to revlog.py to help pytype
Matt Harbison <matt_harbison@yahoo.com>
parents: 47790
diff changeset
2990 wh2 = self._writinghandles[1]
ebac18733142 typing: add a few assertions to revlog.py to help pytype
Matt Harbison <matt_harbison@yahoo.com>
parents: 47790
diff changeset
2991 wh3 = self._writinghandles[2]
ebac18733142 typing: add a few assertions to revlog.py to help pytype
Matt Harbison <matt_harbison@yahoo.com>
parents: 47790
diff changeset
2992 assert wh1 is not None
ebac18733142 typing: add a few assertions to revlog.py to help pytype
Matt Harbison <matt_harbison@yahoo.com>
parents: 47790
diff changeset
2993 assert wh2 is not None
ebac18733142 typing: add a few assertions to revlog.py to help pytype
Matt Harbison <matt_harbison@yahoo.com>
parents: 47790
diff changeset
2994 assert wh3 is not None
ebac18733142 typing: add a few assertions to revlog.py to help pytype
Matt Harbison <matt_harbison@yahoo.com>
parents: 47790
diff changeset
2995 self._docket.index_end = wh1.tell()
ebac18733142 typing: add a few assertions to revlog.py to help pytype
Matt Harbison <matt_harbison@yahoo.com>
parents: 47790
diff changeset
2996 self._docket.data_end = wh2.tell()
ebac18733142 typing: add a few assertions to revlog.py to help pytype
Matt Harbison <matt_harbison@yahoo.com>
parents: 47790
diff changeset
2997 self._docket.sidedata_end = wh3.tell()
47249
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47246
diff changeset
2998
44351
5962fd0d1045 nodemap: write nodemap data on disk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44073
diff changeset
2999 nodemaputil.setup_persistent_nodemap(transaction, self)
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
3000
45811
a5206e71c536 revlog: extend addgroup() with callback for duplicates
Joerg Sonnenberger <joerg@bec.de>
parents: 45802
diff changeset
3001 def addgroup(
a5206e71c536 revlog: extend addgroup() with callback for duplicates
Joerg Sonnenberger <joerg@bec.de>
parents: 45802
diff changeset
3002 self,
a5206e71c536 revlog: extend addgroup() with callback for duplicates
Joerg Sonnenberger <joerg@bec.de>
parents: 45802
diff changeset
3003 deltas,
a5206e71c536 revlog: extend addgroup() with callback for duplicates
Joerg Sonnenberger <joerg@bec.de>
parents: 45802
diff changeset
3004 linkmapper,
a5206e71c536 revlog: extend addgroup() with callback for duplicates
Joerg Sonnenberger <joerg@bec.de>
parents: 45802
diff changeset
3005 transaction,
46445
711ba0f1057e revlog: decouple caching from addrevision callback for addgroup
Joerg Sonnenberger <joerg@bec.de>
parents: 46310
diff changeset
3006 alwayscache=False,
45811
a5206e71c536 revlog: extend addgroup() with callback for duplicates
Joerg Sonnenberger <joerg@bec.de>
parents: 45802
diff changeset
3007 addrevisioncb=None,
a5206e71c536 revlog: extend addgroup() with callback for duplicates
Joerg Sonnenberger <joerg@bec.de>
parents: 45802
diff changeset
3008 duplicaterevisioncb=None,
49739
35d4c2124073 debug: add an option to display statistic about a unbundling operation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49738
diff changeset
3009 debug_info=None,
49877
152d9c011bcd changegroup: add `delta_base_reuse_policy` argument
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49791
diff changeset
3010 delta_base_reuse_policy=None,
45811
a5206e71c536 revlog: extend addgroup() with callback for duplicates
Joerg Sonnenberger <joerg@bec.de>
parents: 45802
diff changeset
3011 ):
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
3012 """
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
3013 add a delta group
46
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
3014
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
3015 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
3016 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
3017 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
3018
00e3f909907f revlog: add support for a callback whenever revisions are added
Gregory Szorc <gregory.szorc@gmail.com>
parents: 25660
diff changeset
3019 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
3020 this revlog and the node that was added.
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
3021 """
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
3022
47225
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47224
diff changeset
3023 if self._adding_group:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3024 raise error.ProgrammingError(b'cannot nest addgroup() calls')
40671
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40670
diff changeset
3025
49877
152d9c011bcd changegroup: add `delta_base_reuse_policy` argument
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49791
diff changeset
3026 # 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: 49791
diff changeset
3027 # group did not specify one.
152d9c011bcd changegroup: add `delta_base_reuse_policy` argument
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49791
diff changeset
3028 if delta_base_reuse_policy is None:
152d9c011bcd changegroup: add `delta_base_reuse_policy` argument
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49791
diff changeset
3029 if self._generaldelta and self._lazydeltabase:
152d9c011bcd changegroup: add `delta_base_reuse_policy` argument
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49791
diff changeset
3030 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: 49791
diff changeset
3031 else:
152d9c011bcd changegroup: add `delta_base_reuse_policy` argument
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49791
diff changeset
3032 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: 49791
diff changeset
3033
47225
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47224
diff changeset
3034 self._adding_group = True
45811
a5206e71c536 revlog: extend addgroup() with callback for duplicates
Joerg Sonnenberger <joerg@bec.de>
parents: 45802
diff changeset
3035 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
3036 try:
47225
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47224
diff changeset
3037 with self._writing(transaction):
49248
2bcf5e14bb7e deltas: add a `debug.revlog.debug-delta` config option enable output
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49077
diff changeset
3038 write_debug = None
2bcf5e14bb7e deltas: add a `debug.revlog.debug-delta` config option enable output
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49077
diff changeset
3039 if self._debug_delta:
2bcf5e14bb7e deltas: add a `debug.revlog.debug-delta` config option enable output
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49077
diff changeset
3040 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: 49077
diff changeset
3041 deltacomputer = deltautil.deltacomputer(
2bcf5e14bb7e deltas: add a `debug.revlog.debug-delta` config option enable output
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49077
diff changeset
3042 self,
2bcf5e14bb7e deltas: add a `debug.revlog.debug-delta` config option enable output
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49077
diff changeset
3043 write_debug=write_debug,
49739
35d4c2124073 debug: add an option to display statistic about a unbundling operation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49738
diff changeset
3044 debug_info=debug_info,
49248
2bcf5e14bb7e deltas: add a `debug.revlog.debug-delta` config option enable output
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49077
diff changeset
3045 )
47223
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3046 # loop through our set of deltas
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3047 for data in deltas:
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3048 (
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3049 node,
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3050 p1,
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3051 p2,
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3052 linknode,
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3053 deltabase,
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3054 delta,
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3055 flags,
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3056 sidedata,
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3057 ) = data
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3058 link = linkmapper(linknode)
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3059 flags = flags or REVIDX_DEFAULT_FLAGS
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3060
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3061 rev = self.index.get_rev(node)
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3062 if rev is not None:
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3063 # 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: 47190
diff changeset
3064 self._nodeduplicatecallback(transaction, rev)
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3065 if duplicaterevisioncb:
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3066 duplicaterevisioncb(self, rev)
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3067 empty = False
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3068 continue
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3069
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3070 for p in (p1, p2):
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3071 if not self.index.has_node(p):
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3072 raise error.LookupError(
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3073 p, self.radix, _(b'unknown parent')
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3074 )
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3075
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3076 if not self.index.has_node(deltabase):
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3077 raise error.LookupError(
47223
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3078 deltabase, self.display_id, _(b'unknown delta base')
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3079 )
24120
a450e0a2ba0a revlog: in addgroup, reject ill-formed deltas based on censored nodes
Mike Edgar <adgar@google.com>
parents: 24118
diff changeset
3080
47223
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3081 baserev = self.rev(deltabase)
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3082
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3083 if baserev != nullrev and self.iscensored(baserev):
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3084 # 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: 47190
diff changeset
3085 # single patch operation
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3086 hlen = struct.calcsize(b">lll")
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3087 oldlen = self.rawsize(baserev)
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3088 newlen = len(delta) - hlen
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3089 if delta[:hlen] != mdiff.replacediffheader(
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3090 oldlen, newlen
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3091 ):
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3092 raise error.CensoredBaseError(
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3093 self.display_id, self.node(baserev)
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3094 )
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3095
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3096 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: 47190
diff changeset
3097 flags |= REVIDX_ISCENSORED
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3098
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3099 # 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: 47190
diff changeset
3100 # 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: 47190
diff changeset
3101 # 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: 47190
diff changeset
3102 # 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: 47190
diff changeset
3103 # 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: 47190
diff changeset
3104 # 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: 47190
diff changeset
3105 # by the flagprocessor.
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3106 rev = self._addrevision(
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3107 node,
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3108 None,
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3109 transaction,
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3110 link,
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3111 p1,
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3112 p2,
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3113 flags,
49877
152d9c011bcd changegroup: add `delta_base_reuse_policy` argument
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49791
diff changeset
3114 (baserev, delta, delta_base_reuse_policy),
47223
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3115 alwayscache=alwayscache,
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3116 deltacomputer=deltacomputer,
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3117 sidedata=sidedata,
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3118 )
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3119
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3120 if addrevisioncb:
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3121 addrevisioncb(self, rev)
0cf537d85f4c revlog: preindent some code in addgroup
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47190
diff changeset
3122 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
3123 finally:
47225
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47224
diff changeset
3124 self._adding_group = False
45811
a5206e71c536 revlog: extend addgroup() with callback for duplicates
Joerg Sonnenberger <joerg@bec.de>
parents: 45802
diff changeset
3125 return not empty
1493
1a216cb4ee64 verify: add check for mismatch of index and data length
Matt Mackall <mpm@selenic.com>
parents: 1469
diff changeset
3126
24118
76f6ae06ddf5 revlog: add "iscensored()" to revlog public API
Mike Edgar <adgar@google.com>
parents: 24030
diff changeset
3127 def iscensored(self, rev):
76f6ae06ddf5 revlog: add "iscensored()" to revlog public API
Mike Edgar <adgar@google.com>
parents: 24030
diff changeset
3128 """Check if a file revision is censored."""
37443
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
3129 if not self._censorable:
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
3130 return False
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
3131
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
3132 return self.flags(rev) & REVIDX_ISCENSORED
24118
76f6ae06ddf5 revlog: add "iscensored()" to revlog public API
Mike Edgar <adgar@google.com>
parents: 24030
diff changeset
3133
47180
c9ae2e7fe154 revlog: drop `flush` parameter from `_peek_iscensored`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47179
diff changeset
3134 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
3135 """Quickly check if a delta produces a censored revision."""
37443
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
3136 if not self._censorable:
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
3137 return False
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
3138
40325
b0fbd1792e2d storageutil: extract most of peek_censored from revlog
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40298
diff changeset
3139 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
3140
20074
5fc2ae1c631b strip: add faster revlog strip computation
Durham Goode <durham@fb.com>
parents: 20073
diff changeset
3141 def getstrippoint(self, minlink):
5fc2ae1c631b strip: add faster revlog strip computation
Durham Goode <durham@fb.com>
parents: 20073
diff changeset
3142 """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
3143
5fc2ae1c631b strip: add faster revlog strip computation
Durham Goode <durham@fb.com>
parents: 20073
diff changeset
3144 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
3145 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
3146 """
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3147 return storageutil.resolvestripinfo(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3148 minlink,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3149 len(self) - 1,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3150 self.headrevs(),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3151 self.linkrev,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3152 self.parentrevs,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3153 )
20074
5fc2ae1c631b strip: add faster revlog strip computation
Durham Goode <durham@fb.com>
parents: 20073
diff changeset
3154
8073
e8a28556a0a8 strip: make repair.strip transactional to avoid repository corruption
Henrik Stuart <henrik.stuart@edlund.dk>
parents: 8017
diff changeset
3155 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
3156 """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
3157
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5909
diff changeset
3158 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
3159 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
3160
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5909
diff changeset
3161 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
3162 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
3163 strip.
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5909
diff changeset
3164
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5909
diff changeset
3165 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
3166 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
3167 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
3168 """
6750
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog
Matt Mackall <mpm@selenic.com>
parents: 6703
diff changeset
3169 if len(self) == 0:
1535
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
3170 return
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
3171
20074
5fc2ae1c631b strip: add faster revlog strip computation
Durham Goode <durham@fb.com>
parents: 20073
diff changeset
3172 rev, _ = self.getstrippoint(minlink)
5fc2ae1c631b strip: add faster revlog strip computation
Durham Goode <durham@fb.com>
parents: 20073
diff changeset
3173 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
3174 return
1535
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
3175
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
3176 # first truncate the files on disk
47253
4abd474a10af revlogv2: also keep track for the size of the "data" file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47252
diff changeset
3177 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
3178 if not self._inline:
47253
4abd474a10af revlogv2: also keep track for the size of the "data" file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47252
diff changeset
3179 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
3180 end = rev * self.index.entry_size
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
3181 else:
47253
4abd474a10af revlogv2: also keep track for the size of the "data" file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47252
diff changeset
3182 end = data_end + (rev * self.index.entry_size)
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
3183
47395
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
3184 if self._sidedatafile:
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
3185 sidedata_end = self.sidedata_cut_off(rev)
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
3186 transaction.add(self._sidedatafile, sidedata_end)
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
3187
47162
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
3188 transaction.add(self._indexfile, end)
47249
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47246
diff changeset
3189 if self._docket is not None:
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47246
diff changeset
3190 # 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: 47246
diff changeset
3191 # 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: 47246
diff changeset
3192 self._docket.index_end = end
47253
4abd474a10af revlogv2: also keep track for the size of the "data" file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47252
diff changeset
3193 self._docket.data_end = data_end
47395
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
3194 self._docket.sidedata_end = sidedata_end
47249
6597255a4f94 revlogv2: track current index size in the docket
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47246
diff changeset
3195 self._docket.write(transaction, stripping=True)
1535
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
3196
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
3197 # then reset internal state in memory to forget those revisions
40053
55db747a21ad revlog: rename _cache to _revisioncache
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40011
diff changeset
3198 self._revisioncache = None
45802
8719a5b68419 revlog: use LRU for the chain cache
Joerg Sonnenberger <joerg@bec.de>
parents: 45735
diff changeset
3199 self._chaininfocache = util.lrucachedict(500)
47431
e0a314bcbc9d revlog: Extract low-level random-access file read caching logic
Simon Sapin <simon.sapin@octobus.net>
parents: 47420
diff changeset
3200 self._segmentfile.clear_cache()
47432
cac0e0621ceb revlog: use file read caching for sidedata
Simon Sapin <simon.sapin@octobus.net>
parents: 47431
diff changeset
3201 self._segmentfile_sidedata.clear_cache()
1535
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
3202
4979
06abdaf78788 revlog: add a magic null revision to our index
Matt Mackall <mpm@selenic.com>
parents: 4978
diff changeset
3203 del self.index[rev:-1]
1535
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
3204
1493
1a216cb4ee64 verify: add check for mismatch of index and data length
Matt Mackall <mpm@selenic.com>
parents: 1469
diff changeset
3205 def checksize(self):
41877
3f3f962457b2 revlog: add some documentation to the `checksize` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41862
diff changeset
3206 """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: 41862
diff changeset
3207
3f3f962457b2 revlog: add some documentation to the `checksize` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41862
diff changeset
3208 return a (dd, di) tuple.
3f3f962457b2 revlog: add some documentation to the `checksize` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41862
diff changeset
3209 - 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: 41862
diff changeset
3210 - 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: 41862
diff changeset
3211
3f3f962457b2 revlog: add some documentation to the `checksize` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41862
diff changeset
3212 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: 41862
diff changeset
3213 """
1493
1a216cb4ee64 verify: add check for mismatch of index and data length
Matt Mackall <mpm@selenic.com>
parents: 1469
diff changeset
3214 expected = 0
6750
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog
Matt Mackall <mpm@selenic.com>
parents: 6703
diff changeset
3215 if len(self):
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog
Matt Mackall <mpm@selenic.com>
parents: 6703
diff changeset
3216 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
3217
1494
249ca10d37f4 Handle empty logs in repo.checksize
Matt Mackall <mpm@selenic.com>
parents: 1493
diff changeset
3218 try:
36011
82afb1a5ed94 revlog: use context manager for data file lifetime in checksize
Boris Feld <boris.feld@octobus.net>
parents: 36010
diff changeset
3219 with self._datafp() as f:
42567
4eaf7197a740 cleanup: use named constants for second arg to .seek()
Augie Fackler <augie@google.com>
parents: 42478
diff changeset
3220 f.seek(0, io.SEEK_END)
36011
82afb1a5ed94 revlog: use context manager for data file lifetime in checksize
Boris Feld <boris.feld@octobus.net>
parents: 36010
diff changeset
3221 actual = f.tell()
1667
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
3222 dd = actual - expected
49314
2e726c934fcd py3: catch FileNotFoundError instead of checking errno == ENOENT
Manuel Jacob <me@manueljacob.de>
parents: 49292
diff changeset
3223 except FileNotFoundError:
1667
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
3224 dd = 0
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
3225
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
3226 try:
47162
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
3227 f = self.opener(self._indexfile)
42567
4eaf7197a740 cleanup: use named constants for second arg to .seek()
Augie Fackler <augie@google.com>
parents: 42478
diff changeset
3228 f.seek(0, io.SEEK_END)
1667
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
3229 actual = f.tell()
13400
14f3795a5ed7 explicitly close files
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 13284
diff changeset
3230 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
3231 s = self.index.entry_size
9029
0001e49f1c11 compat: use // for integer division
Alejandro Santos <alejolp@alejolp.com>
parents: 8658
diff changeset
3232 i = max(0, actual // s)
1667
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
3233 di = actual - (i * s)
4982
9672e3c42b0c revlog: change _inline from a function to a variable
Matt Mackall <mpm@selenic.com>
parents: 4981
diff changeset
3234 if self._inline:
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
3235 databytes = 0
6750
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog
Matt Mackall <mpm@selenic.com>
parents: 6703
diff changeset
3236 for r in self:
5312
fb070713ff36 revlog: more robust for damaged indexes
Matt Mackall <mpm@selenic.com>
parents: 5007
diff changeset
3237 databytes += max(0, self.length(r))
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
3238 dd = 0
6750
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog
Matt Mackall <mpm@selenic.com>
parents: 6703
diff changeset
3239 di = actual - len(self) * s - databytes
49314
2e726c934fcd py3: catch FileNotFoundError instead of checking errno == ENOENT
Manuel Jacob <me@manueljacob.de>
parents: 49292
diff changeset
3240 except FileNotFoundError:
1667
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
3241 di = 0
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
3242
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
3243 return (dd, di)
6891
22cb82433842 revlog: add files method
Adrian Buehlmann <adrian@cadifra.com>
parents: 6872
diff changeset
3244
22cb82433842 revlog: add files method
Adrian Buehlmann <adrian@cadifra.com>
parents: 6872
diff changeset
3245 def files(self):
47162
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
3246 res = [self._indexfile]
47456
9cecc222c536 revlogv2: fix `hg verify` with revlog v2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47432
diff changeset
3247 if self._docket_file is None:
9cecc222c536 revlogv2: fix `hg verify` with revlog v2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47432
diff changeset
3248 if not self._inline:
9cecc222c536 revlogv2: fix `hg verify` with revlog v2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47432
diff changeset
3249 res.append(self._datafile)
9cecc222c536 revlogv2: fix `hg verify` with revlog v2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47432
diff changeset
3250 else:
9cecc222c536 revlogv2: fix `hg verify` with revlog v2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47432
diff changeset
3251 res.append(self._docket_file)
47461
f93a867a6486 revlog: list older-but-still-around file in `files`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47458
diff changeset
3252 res.extend(self._docket.old_index_filepaths(include_empty=False))
47456
9cecc222c536 revlogv2: fix `hg verify` with revlog v2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47432
diff changeset
3253 if self._docket.data_end:
9cecc222c536 revlogv2: fix `hg verify` with revlog v2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47432
diff changeset
3254 res.append(self._datafile)
47461
f93a867a6486 revlog: list older-but-still-around file in `files`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47458
diff changeset
3255 res.extend(self._docket.old_data_filepaths(include_empty=False))
47456
9cecc222c536 revlogv2: fix `hg verify` with revlog v2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47432
diff changeset
3256 if self._docket.sidedata_end:
9cecc222c536 revlogv2: fix `hg verify` with revlog v2
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47432
diff changeset
3257 res.append(self._sidedatafile)
47461
f93a867a6486 revlog: list older-but-still-around file in `files`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47458
diff changeset
3258 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
3259 return res
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3260
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3261 def emitrevisions(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3262 self,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3263 nodes,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3264 nodesorder=None,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3265 revisiondata=False,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3266 assumehaveparentrevisions=False,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3267 deltamode=repository.CG_DELTAMODE_STD,
46728
45f0d5297698 changegroupv4: add sidedata helpers
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46725
diff changeset
3268 sidedata_helpers=None,
49738
9cac281eb9c0 debug: add an option to display statistic about a bundling operation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49712
diff changeset
3269 debug_info=None,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3270 ):
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3271 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
3272 raise error.ProgrammingError(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3273 b'unhandled value for nodesorder: %s' % nodesorder
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3274 )
39867
5a9ab91e0a45 revlog: new API to emit revision data
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39850
diff changeset
3275
5a9ab91e0a45 revlog: new API to emit revision data
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39850
diff changeset
3276 if nodesorder is None and not self._generaldelta:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3277 nodesorder = b'storage'
39867
5a9ab91e0a45 revlog: new API to emit revision data
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39850
diff changeset
3278
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3279 if (
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3280 not self._storedeltachains
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3281 and deltamode != repository.CG_DELTAMODE_PREV
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3282 ):
40495
59a870a4ad6e changegroup: refactor emitrevision to use a `deltamode` argument
Boris Feld <boris.feld@octobus.net>
parents: 40325
diff changeset
3283 deltamode = repository.CG_DELTAMODE_FULL
59a870a4ad6e changegroup: refactor emitrevision to use a `deltamode` argument
Boris Feld <boris.feld@octobus.net>
parents: 40325
diff changeset
3284
40009
842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40005
diff changeset
3285 return storageutil.emitrevisions(
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3286 self,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3287 nodes,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3288 nodesorder,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3289 revlogrevisiondelta,
40009
842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40005
diff changeset
3290 deltaparentfn=self.deltaparent,
51009
39fa0b948f5a revlog: make the `candelta` method private
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51008
diff changeset
3291 candeltafn=self._candelta,
40009
842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40005
diff changeset
3292 rawsizefn=self.rawsize,
842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40005
diff changeset
3293 revdifffn=self.revdiff,
842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40005
diff changeset
3294 flagsfn=self.flags,
40495
59a870a4ad6e changegroup: refactor emitrevision to use a `deltamode` argument
Boris Feld <boris.feld@octobus.net>
parents: 40325
diff changeset
3295 deltamode=deltamode,
40009
842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40005
diff changeset
3296 revisiondata=revisiondata,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3297 assumehaveparentrevisions=assumehaveparentrevisions,
46728
45f0d5297698 changegroupv4: add sidedata helpers
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46725
diff changeset
3298 sidedata_helpers=sidedata_helpers,
49738
9cac281eb9c0 debug: add an option to display statistic about a bundling operation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49712
diff changeset
3299 debug_info=debug_info,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3300 )
39867
5a9ab91e0a45 revlog: new API to emit revision data
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39850
diff changeset
3301
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3302 DELTAREUSEALWAYS = b'always'
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3303 DELTAREUSESAMEREVS = b'samerevs'
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3304 DELTAREUSENEVER = b'never'
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3305
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3306 DELTAREUSEFULLADD = b'fulladd'
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3307
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3308 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
3309
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3310 def clone(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3311 self,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3312 tr,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3313 destrevlog,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3314 addrevisioncb=None,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3315 deltareuse=DELTAREUSESAMEREVS,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3316 forcedeltabothparents=None,
47098
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47095
diff changeset
3317 sidedata_helpers=None,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3318 ):
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3319 """Copy this revlog to another, possibly with format changes.
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3320
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3321 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
3322 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
3323 differences.
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3324
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3325 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
3326 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
3327 following values:
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3328
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3329 DELTAREUSEALWAYS
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3330 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
3331 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
3332 fastest mode of operation.
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3333 DELTAREUSESAMEREVS
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3334 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
3335 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
3336 and optimization.
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3337 DELTAREUSENEVER
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3338 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
3339 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
3340 algorithm changes).
42999
6510c7830838 upgrade: document DELTAREUSEFULLADD in revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42998
diff changeset
3341 DELTAREUSEFULLADD
6510c7830838 upgrade: document DELTAREUSEFULLADD in revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42998
diff changeset
3342 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: 42998
diff changeset
3343 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: 42998
diff changeset
3344 eg: large file detection and handling.
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3345
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3346 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
3347 significantly affect run time.
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3348
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3349 The default policy (``DELTAREUSESAMEREVS``) strikes a balance between
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3350 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
3351 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
3352 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
3353 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
3354 revision.
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3355
40855
64051af15596 upgrade: clarify "aggressivemergedelta" handling
Boris Feld <boris.feld@octobus.net>
parents: 40772
diff changeset
3356 In addition to the delta policy, the ``forcedeltabothparents``
64051af15596 upgrade: clarify "aggressivemergedelta" handling
Boris Feld <boris.feld@octobus.net>
parents: 40772
diff changeset
3357 argument controls whether to force compute deltas against both parents
64051af15596 upgrade: clarify "aggressivemergedelta" handling
Boris Feld <boris.feld@octobus.net>
parents: 40772
diff changeset
3358 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
3359
47100
8bd769b5c941 sidedata: move documentation about sidedata helpers to sidedata module
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47099
diff changeset
3360 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: 47099
diff changeset
3361 `sidedata_helpers`.
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3362 """
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3363 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
3364 raise ValueError(
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3365 _(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
3366 )
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3367
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3368 if len(destrevlog):
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3369 raise ValueError(_(b'destination revlog is not empty'))
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3370
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3371 if getattr(self, 'filteredrevs', None):
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3372 raise ValueError(_(b'source revlog has filtered revisions'))
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3373 if getattr(destrevlog, 'filteredrevs', None):
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3374 raise ValueError(_(b'destination revlog has filtered revisions'))
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3375
41862
afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41824
diff changeset
3376 # 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: 41824
diff changeset
3377 # if possible.
afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41824
diff changeset
3378 oldlazydelta = destrevlog._lazydelta
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3379 oldlazydeltabase = destrevlog._lazydeltabase
38736
93777d16a25d aggressivemergedeltas: rename variable internally
Boris Feld <boris.feld@octobus.net>
parents: 38718
diff changeset
3380 oldamd = destrevlog._deltabothparents
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3381
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3382 try:
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3383 if deltareuse == self.DELTAREUSEALWAYS:
51034
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
3384 destrevlog.delta_config.lazy_delta_base = True
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
3385 destrevlog.delta_config.lazy_delta = True
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3386 elif deltareuse == self.DELTAREUSESAMEREVS:
51034
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
3387 destrevlog.delta_config.lazy_delta_base = False
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
3388 destrevlog.delta_config.lazy_delta = True
41862
afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41824
diff changeset
3389 elif deltareuse == self.DELTAREUSENEVER:
51034
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
3390 destrevlog.delta_config.lazy_delta_base = False
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
3391 destrevlog.delta_config.lazy_delta = False
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
3392
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
3393 delta_both_parents = forcedeltabothparents or oldamd
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
3394 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
3395
51021
aed91a4421b8 repo-upgrade: keep the revlog open while cloning
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51016
diff changeset
3396 with self.reading():
aed91a4421b8 repo-upgrade: keep the revlog open while cloning
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51016
diff changeset
3397 self._clone(
aed91a4421b8 repo-upgrade: keep the revlog open while cloning
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51016
diff changeset
3398 tr,
aed91a4421b8 repo-upgrade: keep the revlog open while cloning
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51016
diff changeset
3399 destrevlog,
aed91a4421b8 repo-upgrade: keep the revlog open while cloning
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51016
diff changeset
3400 addrevisioncb,
aed91a4421b8 repo-upgrade: keep the revlog open while cloning
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51016
diff changeset
3401 deltareuse,
aed91a4421b8 repo-upgrade: keep the revlog open while cloning
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51016
diff changeset
3402 forcedeltabothparents,
aed91a4421b8 repo-upgrade: keep the revlog open while cloning
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51016
diff changeset
3403 sidedata_helpers,
aed91a4421b8 repo-upgrade: keep the revlog open while cloning
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51016
diff changeset
3404 )
42998
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
3405
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
3406 finally:
51034
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
3407 destrevlog.delta_config.lazy_delta = oldlazydelta
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
3408 destrevlog.delta_config.lazy_delta_base = oldlazydeltabase
498afb627f78 revlog: move configuration attribute into dedicated object
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 51031
diff changeset
3409 destrevlog.delta_config.delta_both_parents = oldamd
39794
a6b3c4c1019f revlog: move censor logic out of censor extension
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39791
diff changeset
3410
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3411 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
3412 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
3413 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
3414 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
3415 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
3416 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
3417 forcedeltabothparents,
47098
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47095
diff changeset
3418 sidedata_helpers,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3419 ):
42998
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
3420 """perform the core duty of `revlog.clone` after parameter processing"""
49248
2bcf5e14bb7e deltas: add a `debug.revlog.debug-delta` config option enable output
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49077
diff changeset
3421 write_debug = None
2bcf5e14bb7e deltas: add a `debug.revlog.debug-delta` config option enable output
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49077
diff changeset
3422 if self._debug_delta:
2bcf5e14bb7e deltas: add a `debug.revlog.debug-delta` config option enable output
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49077
diff changeset
3423 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: 49077
diff changeset
3424 deltacomputer = deltautil.deltacomputer(
2bcf5e14bb7e deltas: add a `debug.revlog.debug-delta` config option enable output
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49077
diff changeset
3425 destrevlog,
2bcf5e14bb7e deltas: add a `debug.revlog.debug-delta` config option enable output
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49077
diff changeset
3426 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: 49077
diff changeset
3427 )
42998
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
3428 index = self.index
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
3429 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: 42997
diff changeset
3430 entry = index[rev]
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
3431
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
3432 # 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: 42997
diff changeset
3433 # account. Use raw entry from index.
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3434 flags = entry[0] & 0xFFFF
42998
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
3435 linkrev = entry[4]
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
3436 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: 42997
diff changeset
3437 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: 42997
diff changeset
3438 node = entry[7]
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
3439
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
3440 # (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: 42997
diff changeset
3441 # 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: 42997
diff changeset
3442 cachedelta = None
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
3443 rawtext = None
47098
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47095
diff changeset
3444 if deltareuse == self.DELTAREUSEFULLADD:
47391
9d9eb22b9b69 revlog: no longer return sidedata from `_revisiondata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47390
diff changeset
3445 text = self._revisiondata(rev)
47390
fec306b05328 revlog: use `self.sidedata` directly in `revlog.clone`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47388
diff changeset
3446 sidedata = self.sidedata(rev)
47098
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47095
diff changeset
3447
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47095
diff changeset
3448 if sidedata_helpers is not None:
47099
3aab2330b7d3 sidedata: move sidedata-related utils to the dedicated module
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47098
diff changeset
3449 (sidedata, new_flags) = sidedatautil.run_sidedata_helpers(
47098
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47095
diff changeset
3450 self, sidedata_helpers, sidedata, rev
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47095
diff changeset
3451 )
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47095
diff changeset
3452 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
3453
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3454 destrevlog.addrevision(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3455 text,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3456 tr,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3457 linkrev,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3458 p1,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3459 p2,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3460 cachedelta=cachedelta,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3461 node=node,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3462 flags=flags,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3463 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
3464 sidedata=sidedata,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3465 )
42998
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
3466 else:
43000
8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42999
diff changeset
3467 if destrevlog._lazydelta:
8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42999
diff changeset
3468 dp = self.deltaparent(rev)
8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42999
diff changeset
3469 if dp != nullrev:
8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42999
diff changeset
3470 cachedelta = (dp, bytes(self._chunk(rev)))
8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42999
diff changeset
3471
47098
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47095
diff changeset
3472 sidedata = None
43000
8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42999
diff changeset
3473 if not cachedelta:
47391
9d9eb22b9b69 revlog: no longer return sidedata from `_revisiondata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47390
diff changeset
3474 rawtext = self._revisiondata(rev)
47390
fec306b05328 revlog: use `self.sidedata` directly in `revlog.clone`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47388
diff changeset
3475 sidedata = self.sidedata(rev)
47098
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47095
diff changeset
3476 if sidedata is None:
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47095
diff changeset
3477 sidedata = self.sidedata(rev)
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47095
diff changeset
3478
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47095
diff changeset
3479 if sidedata_helpers is not None:
47099
3aab2330b7d3 sidedata: move sidedata-related utils to the dedicated module
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47098
diff changeset
3480 (sidedata, new_flags) = sidedatautil.run_sidedata_helpers(
47098
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47095
diff changeset
3481 self, sidedata_helpers, sidedata, rev
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47095
diff changeset
3482 )
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47095
diff changeset
3483 flags = flags | new_flags[0] & ~new_flags[1]
43000
8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42999
diff changeset
3484
47225
906a7bcaac86 revlog: introduce a mandatory `_writing` context to update revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47224
diff changeset
3485 with destrevlog._writing(tr):
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3486 destrevlog._addrevision(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3487 node,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3488 rawtext,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3489 tr,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3490 linkrev,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3491 p1,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3492 p2,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3493 flags,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3494 cachedelta,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3495 deltacomputer=deltacomputer,
47098
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47095
diff changeset
3496 sidedata=sidedata,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3497 )
42998
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
3498
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
3499 if addrevisioncb:
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
3500 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: 42997
diff changeset
3501
40057
324b4b10351e revlog: rewrite censoring logic
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40056
diff changeset
3502 def censorrevision(self, tr, censornode, tombstone=b''):
47153
f58a13c52726 revlog: split the `version` attribute into its two components
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47150
diff changeset
3503 if self._format_version == REVLOGV0:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3504 raise error.RevlogError(
47153
f58a13c52726 revlog: split the `version` attribute into its two components
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47150
diff changeset
3505 _(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: 47150
diff changeset
3506 % self._format_version
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3507 )
47397
33d626910374 revlog: move censoring code in a dedicated module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47395
diff changeset
3508 elif self._format_version == REVLOGV1:
47470
bc8536e09a20 revlog: rewrite `censors.py` to `rewrite.py`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47469
diff changeset
3509 rewrite.v1_censor(self, tr, censornode, tombstone)
47397
33d626910374 revlog: move censoring code in a dedicated module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47395
diff changeset
3510 else:
47470
bc8536e09a20 revlog: rewrite `censors.py` to `rewrite.py`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47469
diff changeset
3511 rewrite.v2_censor(self, tr, censornode, tombstone)
39794
a6b3c4c1019f revlog: move censor logic out of censor extension
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39791
diff changeset
3512
39847
97986c9c69d3 verify: start to abstract file verification
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39836
diff changeset
3513 def verifyintegrity(self, state):
97986c9c69d3 verify: start to abstract file verification
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39836
diff changeset
3514 """Verifies the integrity of the revlog.
97986c9c69d3 verify: start to abstract file verification
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39836
diff changeset
3515
97986c9c69d3 verify: start to abstract file verification
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39836
diff changeset
3516 Yields ``revlogproblem`` instances describing problems that are
97986c9c69d3 verify: start to abstract file verification
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39836
diff changeset
3517 found.
97986c9c69d3 verify: start to abstract file verification
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39836
diff changeset
3518 """
97986c9c69d3 verify: start to abstract file verification
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39836
diff changeset
3519 dd, di = self.checksize()
97986c9c69d3 verify: start to abstract file verification
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39836
diff changeset
3520 if dd:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3521 yield revlogproblem(error=_(b'data length off by %d bytes') % dd)
39847
97986c9c69d3 verify: start to abstract file verification
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39836
diff changeset
3522 if di:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3523 yield revlogproblem(error=_(b'index contains %d extra bytes') % di)
39847
97986c9c69d3 verify: start to abstract file verification
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39836
diff changeset
3524
47153
f58a13c52726 revlog: split the `version` attribute into its two components
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47150
diff changeset
3525 version = self._format_version
39850
e6d3d39cc1c7 revlog: use proper version comparison during verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39847
diff changeset
3526
e6d3d39cc1c7 revlog: use proper version comparison during verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39847
diff changeset
3527 # 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
3528 if version != state[b'expectedversion']:
39850
e6d3d39cc1c7 revlog: use proper version comparison during verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39847
diff changeset
3529 yield revlogproblem(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3530 warning=_(b"warning: '%s' uses revlog format %d; expected %d")
47171
3a9f3470922c revlog: use revlog.display_id in format related errors
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47169
diff changeset
3531 % (self.display_id, version, state[b'expectedversion'])
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3532 )
39874
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39871
diff changeset
3533
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3534 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
3535 state[b'safe_renamed'] = set()
39877
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3536
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3537 for rev in self:
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3538 node = self.node(rev)
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3539
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3540 # Verify contents. 4 cases to care about:
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3541 #
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3542 # common: the most common case
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3543 # rename: with a rename
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3544 # 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: 39874
diff changeset
3545 # header defined in filelog.py, but without a rename
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3546 # ext: content stored externally
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3547 #
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3548 # More formally, their differences are shown below:
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3549 #
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3550 # | common | rename | meta | ext
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3551 # -------------------------------------------------------
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3552 # flags() | 0 | 0 | 0 | not 0
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3553 # renamed() | False | True | False | ?
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3554 # rawtext[0:2]=='\1\n'| False | True | True | ?
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3555 #
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3556 # "rawtext" means the raw text stored in revlog data, which
42784
5a8f2c8edff6 rawdata: update caller in revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42749
diff changeset
3557 # could be retrieved by "rawdata(rev)". "text"
5a8f2c8edff6 rawdata: update caller in revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42749
diff changeset
3558 # mentioned below is "revision(rev)".
39877
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3559 #
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3560 # There are 3 different lengths stored physically:
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3561 # 1. L1: rawsize, stored in revlog index
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3562 # 2. L2: len(rawtext), stored in revlog data
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3563 # 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: 39874
diff changeset
3564 # possibly somewhere else if flags!=0
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3565 #
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3566 # 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: 39874
diff changeset
3567 # "text" may or may not affect commit hash depending on flag
42749
6d61be152c55 flagutil: move addflagprocessor to the new module (API)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42748
diff changeset
3568 # processors (see flagutil.addflagprocessor).
39877
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3569 #
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3570 # | common | rename | meta | ext
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3571 # -------------------------------------------------
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3572 # rawsize() | L1 | L1 | L1 | L1
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3573 # size() | L1 | L2-LM | L1(*) | L1 (?)
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3574 # len(rawtext) | L2 | L2 | L2 | L2
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3575 # len(text) | L2 | L2 | L2 | L3
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3576 # len(read()) | L2 | L2-LM | L2-LM | L3 (?)
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3577 #
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3578 # LM: length of metadata, depending on rawtext
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3579 # (*): not ideal, see comment in filelog.size
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3580 # (?): could be "- len(meta)" if the resolved content has
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3581 # rename metadata
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3582 #
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3583 # Checks needed to be done:
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3584 # 1. length check: L1 == L2, in all cases.
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3585 # 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: 39874
diff changeset
3586 # use either "text" (external), or "rawtext" (in revlog).
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3587
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3588 try:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3589 skipflags = state.get(b'skipflags', 0)
39877
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3590 if skipflags:
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3591 skipflags &= self.flags(rev)
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3592
43962
7c3118b9a9db revlog: split the content verification of a node into a separate method
Matt Harbison <matt_harbison@yahoo.com>
parents: 43799
diff changeset
3593 _verify_revision(self, skipflags, state, node)
39877
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3594
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3595 l1 = self.rawsize(rev)
42784
5a8f2c8edff6 rawdata: update caller in revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42749
diff changeset
3596 l2 = len(self.rawdata(node))
39877
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3597
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3598 if l1 != l2:
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3599 yield revlogproblem(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3600 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
3601 node=node,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3602 )
39877
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3603
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3604 except error.CensoredNodeError:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3605 if state[b'erroroncensored']:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3606 yield revlogproblem(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3607 error=_(b'censored file data'), node=node
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3608 )
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3609 state[b'skipread'].add(node)
39877
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3610 except Exception as e:
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3611 yield revlogproblem(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3612 error=_(b'unpacking %s: %s')
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3613 % (short(node), stringutil.forcebytestr(e)),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3614 node=node,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3615 )
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3616 state[b'skipread'].add(node)
39877
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3617
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3618 def storageinfo(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3619 self,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3620 exclusivefiles=False,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3621 sharedfiles=False,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3622 revisionscount=False,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3623 trackedsize=False,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3624 storedsize=False,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3625 ):
39874
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39871
diff changeset
3626 d = {}
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39871
diff changeset
3627
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39871
diff changeset
3628 if exclusivefiles:
47162
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
3629 d[b'exclusivefiles'] = [(self.opener, self._indexfile)]
39874
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39871
diff changeset
3630 if not self._inline:
47163
396442cd7e6a revlog: rename `datafile` to `datafile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47162
diff changeset
3631 d[b'exclusivefiles'].append((self.opener, self._datafile))
39874
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39871
diff changeset
3632
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39871
diff changeset
3633 if sharedfiles:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3634 d[b'sharedfiles'] = []
39874
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39871
diff changeset
3635
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39871
diff changeset
3636 if revisionscount:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3637 d[b'revisionscount'] = len(self)
39874
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39871
diff changeset
3638
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39871
diff changeset
3639 if trackedsize:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3640 d[b'trackedsize'] = sum(map(self.rawsize, iter(self)))
39874
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39871
diff changeset
3641
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39871
diff changeset
3642 if storedsize:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3643 d[b'storedsize'] = sum(
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3644 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
3645 )
39874
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39871
diff changeset
3646
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39871
diff changeset
3647 return d
46731
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3648
47227
2bd4b5218918 revlog: pass a transaction object to `rewrite_sidedata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47226
diff changeset
3649 def rewrite_sidedata(self, transaction, helpers, startrev, endrev):
47150
84b176ad2860 revlog: replace REVLOGV2 check related to sidedata with `hassidedata` checks
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47148
diff changeset
3650 if not self.hassidedata:
46731
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3651 return
47245
616b8f412676 revlogv2: introduce a very basic docket file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47242
diff changeset
3652 # revlog formats with sidedata support does not support inline
46731
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3653 assert not self._inline
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3654 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: 46729
diff changeset
3655 # Nothing to generate or remove
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3656 return
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3657
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3658 new_entries = []
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3659 # append the new sidedata
47229
b3acefded601 revlog: use `_writing` in `rewrite_sidedata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47228
diff changeset
3660 with self._writing(transaction):
47395
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
3661 ifh, dfh, sdfh = self._writinghandles
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
3662 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: 47393
diff changeset
3663
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
3664 current_offset = sdfh.tell()
46731
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3665 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: 46729
diff changeset
3666 entry = self.index[rev]
47099
3aab2330b7d3 sidedata: move sidedata-related utils to the dedicated module
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47098
diff changeset
3667 new_sidedata, flags = sidedatautil.run_sidedata_helpers(
46731
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3668 store=self,
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3669 sidedata_helpers=helpers,
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3670 sidedata={},
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3671 rev=rev,
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3672 )
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3673
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3674 serialized_sidedata = sidedatautil.serialize_sidedata(
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3675 new_sidedata
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3676 )
47270
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47269
diff changeset
3677
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47269
diff changeset
3678 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: 47269
diff changeset
3679 if serialized_sidedata and self.hassidedata:
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47269
diff changeset
3680 sidedata_compression_mode = COMP_MODE_PLAIN
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47269
diff changeset
3681 h, comp_sidedata = self.compress(serialized_sidedata)
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47269
diff changeset
3682 if (
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47269
diff changeset
3683 h != b'u'
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47269
diff changeset
3684 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: 47269
diff changeset
3685 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: 47269
diff changeset
3686 ):
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47269
diff changeset
3687 assert not h
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47269
diff changeset
3688 if (
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47269
diff changeset
3689 comp_sidedata[0]
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47269
diff changeset
3690 == self._docket.default_compression_header
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47269
diff changeset
3691 ):
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47269
diff changeset
3692 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: 47269
diff changeset
3693 serialized_sidedata = comp_sidedata
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47269
diff changeset
3694 else:
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47269
diff changeset
3695 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: 47269
diff changeset
3696 serialized_sidedata = comp_sidedata
46731
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3697 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: 46729
diff changeset
3698 # 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: 46729
diff changeset
3699 # 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: 46729
diff changeset
3700 # revlog.
47239
e51392acd70c revlog: fix capitalisation of an error
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47233
diff changeset
3701 msg = b"rewriting existing sidedata is not supported yet"
46731
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3702 raise error.Abort(msg)
47095
223b47235d1c sidedata: enable sidedata computers to optionally rewrite flags
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47094
diff changeset
3703
223b47235d1c sidedata: enable sidedata computers to optionally rewrite flags
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47094
diff changeset
3704 # 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: 47094
diff changeset
3705 # the sidedata helpers
223b47235d1c sidedata: enable sidedata computers to optionally rewrite flags
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47094
diff changeset
3706 new_offset_flags = entry[0] | flags[0] & ~flags[1]
47256
de63be070e02 revlog: simplify entry update logic in `rewrite_sidedata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47253
diff changeset
3707 entry_update = (
de63be070e02 revlog: simplify entry update logic in `rewrite_sidedata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47253
diff changeset
3708 current_offset,
de63be070e02 revlog: simplify entry update logic in `rewrite_sidedata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47253
diff changeset
3709 len(serialized_sidedata),
de63be070e02 revlog: simplify entry update logic in `rewrite_sidedata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47253
diff changeset
3710 new_offset_flags,
47270
07641bafa646 revlog: compress sidedata when doing "post-pull" sidedata update
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47269
diff changeset
3711 sidedata_compression_mode,
47256
de63be070e02 revlog: simplify entry update logic in `rewrite_sidedata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47253
diff changeset
3712 )
46731
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3713
47228
8f6165c90163 revlog: open files in 'r+' instead of 'a+'
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47227
diff changeset
3714 # the sidedata computation might have move the file cursors around
47395
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
3715 sdfh.seek(current_offset, os.SEEK_SET)
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
3716 sdfh.write(serialized_sidedata)
47256
de63be070e02 revlog: simplify entry update logic in `rewrite_sidedata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47253
diff changeset
3717 new_entries.append(entry_update)
46731
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3718 current_offset += len(serialized_sidedata)
47395
e6292eb33384 revlog: store sidedata in their own file
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47393
diff changeset
3719 self._docket.sidedata_end = sdfh.tell()
46731
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3720
47229
b3acefded601 revlog: use `_writing` in `rewrite_sidedata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47228
diff changeset
3721 # rewrite the new index entries
b3acefded601 revlog: use `_writing` in `rewrite_sidedata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47228
diff changeset
3722 ifh.seek(startrev * self.index.entry_size)
47095
223b47235d1c sidedata: enable sidedata computers to optionally rewrite flags
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47094
diff changeset
3723 for i, e in enumerate(new_entries):
46731
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3724 rev = startrev + i
47256
de63be070e02 revlog: simplify entry update logic in `rewrite_sidedata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47253
diff changeset
3725 self.index.replace_sidedata_info(rev, *e)
47078
d57386e5c80e revlog: have an explicit "pack_header" method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47077
diff changeset
3726 packed = self.index.entry_binary(rev)
47246
6b1eae313b2f revlogv2: store version information in the docket only
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47245
diff changeset
3727 if rev == 0 and self._docket is None:
47153
f58a13c52726 revlog: split the `version` attribute into its two components
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47150
diff changeset
3728 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: 47150
diff changeset
3729 header = self.index.pack_header(header)
47078
d57386e5c80e revlog: have an explicit "pack_header" method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47077
diff changeset
3730 packed = header + packed
47226
042388bba644 revlog: rename variable in `rewrite_sidedata` to match other code
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47225
diff changeset
3731 ifh.write(packed)