annotate mercurial/revlog.py @ 47504:411dc27fd9fd stable 5.8.1

corruption: backout changeset 49fd21f32695 (issue6528) inverting the parent is masking copy information leading to bad content being fetched and bad status result. Since 49fd21f32695, exchange can actively swap these parent corrupting existing changesets and triggering the corruption. Data corruption are considered critical so backing this out and doing and unscheduled release seems in order. Differential Revision: https://phab.mercurial-scm.org/D10995
author Pierre-Yves David <pierre-yves.david@octobus.net>
date Tue, 06 Jul 2021 16:12:09 +0200
parents 3c9208702db3
children d7515d29761d
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1 # revlog.py - storage back-end for mercurial
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2 #
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3 # Copyright 2005-2007 Olivia Mackall <olivia@selenic.com>
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4 #
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5 # This software may be used and distributed according to the terms of the
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6 # GNU General Public License version 2 or any later version.
0
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7
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8 """Storage back-end for Mercurial.
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9
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10 This provides efficient delta storage with O(1) retrieve and append
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11 and O(changes) merge between branches.
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12 """
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13
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14 from __future__ import absolute_import
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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 errno
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20 import io
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21 import os
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22 import struct
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23 import 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 nullhex,
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30 nullid,
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31 nullrev,
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32 sha1nodeconstants,
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33 short,
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34 wdirfilenodeids,
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35 wdirhex,
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36 wdirid,
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37 wdirrev,
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38 )
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39 from .i18n import _
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40 from .pycompat import getattr
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41 from .revlogutils.constants import (
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42 FLAG_GENERALDELTA,
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43 FLAG_INLINE_DATA,
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44 INDEX_ENTRY_V0,
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45 INDEX_ENTRY_V1,
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46 INDEX_ENTRY_V2,
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47 INDEX_HEADER,
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48 REVLOGV0,
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49 REVLOGV1,
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50 REVLOGV1_FLAGS,
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51 REVLOGV2,
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52 REVLOGV2_FLAGS,
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53 REVLOG_DEFAULT_FLAGS,
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54 REVLOG_DEFAULT_FORMAT,
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55 REVLOG_DEFAULT_VERSION,
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56 )
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57 from .revlogutils.flagutil import (
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58 REVIDX_DEFAULT_FLAGS,
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59 REVIDX_ELLIPSIS,
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60 REVIDX_EXTSTORED,
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61 REVIDX_FLAGS_ORDER,
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62 REVIDX_HASCOPIESINFO,
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63 REVIDX_ISCENSORED,
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64 REVIDX_RAWTEXT_CHANGING_FLAGS,
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65 REVIDX_SIDEDATA,
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66 )
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67 from .thirdparty import attr
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68 from . import (
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69 ancestor,
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70 dagop,
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71 error,
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72 mdiff,
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73 policy,
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74 pycompat,
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75 templatefilters,
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76 util,
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77 )
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78 from .interfaces import (
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79 repository,
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80 util as interfaceutil,
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81 )
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82 from .revlogutils import (
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83 deltas as deltautil,
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84 flagutil,
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85 nodemap as nodemaputil,
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86 sidedata as sidedatautil,
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87 )
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88 from .utils import (
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89 storageutil,
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90 stringutil,
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91 )
36
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92
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93 # blanked usage of all the name to prevent pyflakes constraints
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94 # We need these name available in the module for extensions.
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95 REVLOGV0
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96 REVLOGV1
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97 REVLOGV2
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98 FLAG_INLINE_DATA
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99 FLAG_GENERALDELTA
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100 REVLOG_DEFAULT_FLAGS
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101 REVLOG_DEFAULT_FORMAT
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102 REVLOG_DEFAULT_VERSION
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103 REVLOGV1_FLAGS
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104 REVLOGV2_FLAGS
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105 REVIDX_ISCENSORED
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106 REVIDX_ELLIPSIS
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107 REVIDX_SIDEDATA
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108 REVIDX_HASCOPIESINFO
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109 REVIDX_EXTSTORED
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110 REVIDX_DEFAULT_FLAGS
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111 REVIDX_FLAGS_ORDER
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112 REVIDX_RAWTEXT_CHANGING_FLAGS
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113
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114 parsers = policy.importmod('parsers')
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115 rustancestor = policy.importrust('ancestor')
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116 rustdagop = policy.importrust('dagop')
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117 rustrevlog = policy.importrust('revlog')
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118
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119 # Aliased for performance.
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120 _zlibdecompress = zlib.decompress
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121
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122 # max size of revlog with inline data
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123 _maxinline = 131072
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124 _chunksize = 1048576
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125
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126 # Flag processors for REVIDX_ELLIPSIS.
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127 def ellipsisreadprocessor(rl, text):
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128 return text, False
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129
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130
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131 def ellipsiswriteprocessor(rl, text):
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132 return text, False
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133
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134
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135 def ellipsisrawprocessor(rl, text):
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136 return False
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137
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138
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139 ellipsisprocessor = (
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140 ellipsisreadprocessor,
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141 ellipsiswriteprocessor,
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142 ellipsisrawprocessor,
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143 )
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144
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145
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146 def getoffset(q):
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147 return int(q >> 16)
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148
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149
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150 def gettype(q):
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151 return int(q & 0xFFFF)
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152
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153
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154 def offset_type(offset, type):
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155 if (type & ~flagutil.REVIDX_KNOWN_FLAGS) != 0:
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156 raise ValueError(b'unknown revlog index flags')
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157 return int(int(offset) << 16 | type)
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158
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159
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160 def _verify_revision(rl, skipflags, state, node):
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161 """Verify the integrity of the given revlog ``node`` while providing a hook
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162 point for extensions to influence the operation."""
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163 if skipflags:
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164 state[b'skipread'].add(node)
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165 else:
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166 # Side-effect: read content and verify hash.
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167 rl.revision(node)
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168
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169
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170 # True if a fast implementation for persistent-nodemap is available
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171 #
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172 # We also consider we have a "fast" implementation in "pure" python because
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173 # people using pure don't really have performance consideration (and a
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174 # wheelbarrow of other slowness source)
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175 HAS_FAST_PERSISTENT_NODEMAP = rustrevlog is not None or util.safehasattr(
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176 parsers, 'BaseIndexObject'
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177 )
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178
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179
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180 @attr.s(slots=True, frozen=True)
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181 class _revisioninfo(object):
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182 """Information about a revision that allows building its fulltext
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183 node: expected hash of the revision
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184 p1, p2: parent revs of the revision
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185 btext: built text cache consisting of a one-element list
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186 cachedelta: (baserev, uncompressed_delta) or None
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187 flags: flags associated to the revision storage
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188
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189 One of btext[0] or cachedelta must be set.
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190 """
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191
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192 node = attr.ib()
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193 p1 = attr.ib()
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194 p2 = attr.ib()
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195 btext = attr.ib()
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196 textlen = attr.ib()
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197 cachedelta = attr.ib()
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198 flags = attr.ib()
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199
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200
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201 @interfaceutil.implementer(repository.irevisiondelta)
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202 @attr.s(slots=True)
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203 class revlogrevisiondelta(object):
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204 node = attr.ib()
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205 p1node = attr.ib()
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206 p2node = attr.ib()
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207 basenode = attr.ib()
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208 flags = attr.ib()
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209 baserevisionsize = attr.ib()
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210 revision = attr.ib()
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211 delta = attr.ib()
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212 sidedata = attr.ib()
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213 linknode = attr.ib(default=None)
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214
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215
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216 @interfaceutil.implementer(repository.iverifyproblem)
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217 @attr.s(frozen=True)
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218 class revlogproblem(object):
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219 warning = attr.ib(default=None)
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220 error = attr.ib(default=None)
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221 node = attr.ib(default=None)
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222
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223
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diff changeset
224 class revlogoldindex(list):
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225 entry_size = INDEX_ENTRY_V0.size
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226
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227 @property
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diff changeset
228 def nodemap(self):
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diff changeset
229 msg = b"index.nodemap is deprecated, use index.[has_node|rev|get_rev]"
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diff changeset
230 util.nouideprecwarn(msg, b'5.3', stacklevel=2)
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diff changeset
231 return self._nodemap
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232
43525
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diff changeset
233 @util.propertycache
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diff changeset
234 def _nodemap(self):
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diff changeset
235 nodemap = nodemaputil.NodeMap({nullid: nullrev})
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diff changeset
236 for r in range(0, len(self)):
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diff changeset
237 n = self[r][7]
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diff changeset
238 nodemap[n] = r
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diff changeset
239 return nodemap
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diff changeset
240
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diff changeset
241 def has_node(self, node):
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242 """return True if the node exist in the index"""
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diff changeset
243 return node in self._nodemap
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diff changeset
244
43552
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diff changeset
245 def rev(self, node):
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246 """return a revision for a node
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247
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diff changeset
248 If the node is unknown, raise a RevlogError"""
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diff changeset
249 return self._nodemap[node]
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diff changeset
250
43554
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parents: 43553
diff changeset
251 def get_rev(self, node):
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252 """return a revision for a node
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diff changeset
253
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diff changeset
254 If the node is unknown, return None"""
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diff changeset
255 return self._nodemap.get(node)
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parents: 43553
diff changeset
256
43531
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parents: 43530
diff changeset
257 def append(self, tup):
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diff changeset
258 self._nodemap[tup[7]] = len(self)
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parents: 43530
diff changeset
259 super(revlogoldindex, self).append(tup)
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parents: 43530
diff changeset
260
43533
642433629e20 revlog: deal with nodemap deletion within the index
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43531
diff changeset
261 def __delitem__(self, i):
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43531
diff changeset
262 if not isinstance(i, slice) or not i.stop == -1 or i.step is not None:
642433629e20 revlog: deal with nodemap deletion within the index
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43531
diff changeset
263 raise ValueError(b"deleting slices only supports a:-1 with step 1")
642433629e20 revlog: deal with nodemap deletion within the index
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43531
diff changeset
264 for r in pycompat.xrange(i.start, len(self)):
43574
02802fa87b74 revlog: deprecate direct `nodemap` access
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43573
diff changeset
265 del self._nodemap[self[r][7]]
43533
642433629e20 revlog: deal with nodemap deletion within the index
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43531
diff changeset
266 super(revlogoldindex, self).__delitem__(i)
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43531
diff changeset
267
43525
845e5b313783 revlog: move the nodemap into the index object (for pure)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43524
diff changeset
268 def clearcaches(self):
43574
02802fa87b74 revlog: deprecate direct `nodemap` access
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43573
diff changeset
269 self.__dict__.pop('_nodemap', None)
43525
845e5b313783 revlog: move the nodemap into the index object (for pure)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43524
diff changeset
270
38849
da5a666f0f78 pure: create type for revlog v0 index
Martin von Zweigbergk <martinvonz@google.com>
parents: 38844
diff changeset
271 def __getitem__(self, i):
38852
a3dacabd476b index: don't allow index[len(index)] to mean nullid
Martin von Zweigbergk <martinvonz@google.com>
parents: 38851
diff changeset
272 if i == -1:
38849
da5a666f0f78 pure: create type for revlog v0 index
Martin von Zweigbergk <martinvonz@google.com>
parents: 38844
diff changeset
273 return (0, 0, 0, -1, -1, -1, -1, nullid)
da5a666f0f78 pure: create type for revlog v0 index
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parents: 38844
diff changeset
274 return list.__getitem__(self, i)
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parents: 38844
diff changeset
275
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diff changeset
276
4972
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Matt Mackall <mpm@selenic.com>
parents: 4971
diff changeset
277 class revlogoldio(object):
13264
8439526fb407 revlog/parseindex: no need to pass the file around
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 13259
diff changeset
278 def parseindex(self, data, 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
279 s = INDEX_ENTRY_V0.size
4972
8d0cf46e0dc6 revlog: add revlogio interface
Matt Mackall <mpm@selenic.com>
parents: 4971
diff changeset
280 index = []
44034
ab595920de0e revlogutils: move the NodeMap class in a dedicated nodemap module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44014
diff changeset
281 nodemap = nodemaputil.NodeMap({nullid: nullrev})
4973
a386a6e4fe46 revlog: simplify the v0 parser
Matt Mackall <mpm@selenic.com>
parents: 4972
diff changeset
282 n = off = 0
a386a6e4fe46 revlog: simplify the v0 parser
Matt Mackall <mpm@selenic.com>
parents: 4972
diff changeset
283 l = len(data)
a386a6e4fe46 revlog: simplify the v0 parser
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parents: 4972
diff changeset
284 while off + s <= l:
43076
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parents: 43039
diff changeset
285 cur = data[off : off + s]
4973
a386a6e4fe46 revlog: simplify the v0 parser
Matt Mackall <mpm@selenic.com>
parents: 4972
diff changeset
286 off += s
46856
34e1fa4b548a revlog: move the details of revlog "v0" index inside revlog.utils.constants
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46852
diff changeset
287 e = INDEX_ENTRY_V0.unpack(cur)
4977
6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally
Matt Mackall <mpm@selenic.com>
parents: 4976
diff changeset
288 # transform to revlogv1 format
43076
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parents: 43039
diff changeset
289 e2 = (
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parents: 43039
diff changeset
290 offset_type(e[0], 0),
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parents: 43039
diff changeset
291 e[1],
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parents: 43039
diff changeset
292 -1,
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Augie Fackler <augie@google.com>
parents: 43039
diff changeset
293 e[2],
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Augie Fackler <augie@google.com>
parents: 43039
diff changeset
294 e[3],
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Augie Fackler <augie@google.com>
parents: 43039
diff changeset
295 nodemap.get(e[4], nullrev),
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Augie Fackler <augie@google.com>
parents: 43039
diff changeset
296 nodemap.get(e[5], nullrev),
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Augie Fackler <augie@google.com>
parents: 43039
diff changeset
297 e[6],
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Augie Fackler <augie@google.com>
parents: 43039
diff changeset
298 )
4977
6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally
Matt Mackall <mpm@selenic.com>
parents: 4976
diff changeset
299 index.append(e2)
6cb30bc4ca32 revlog: parse revlogv0 indexes into v1 internally
Matt Mackall <mpm@selenic.com>
parents: 4976
diff changeset
300 nodemap[e[6]] = n
4973
a386a6e4fe46 revlog: simplify the v0 parser
Matt Mackall <mpm@selenic.com>
parents: 4972
diff changeset
301 n += 1
4972
8d0cf46e0dc6 revlog: add revlogio interface
Matt Mackall <mpm@selenic.com>
parents: 4971
diff changeset
302
43525
845e5b313783 revlog: move the nodemap into the index object (for pure)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43524
diff changeset
303 index = revlogoldindex(index)
43526
e258ad110488 revlog: no longer return the nodemap after parsing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43525
diff changeset
304 return index, None
4972
8d0cf46e0dc6 revlog: add revlogio interface
Matt Mackall <mpm@selenic.com>
parents: 4971
diff changeset
305
5338
f87685355c9c revlog: fix revlogio.packentry corner case
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5325
diff changeset
306 def packentry(self, entry, node, version, rev):
46856
34e1fa4b548a revlog: move the details of revlog "v0" index inside revlog.utils.constants
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46852
diff changeset
307 """return the binary representation of an entry
34e1fa4b548a revlog: move the details of revlog "v0" index inside revlog.utils.constants
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46852
diff changeset
308
34e1fa4b548a revlog: move the details of revlog "v0" index inside revlog.utils.constants
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46852
diff changeset
309 entry: a tuple containing all the values (see index.__getitem__)
34e1fa4b548a revlog: move the details of revlog "v0" index inside revlog.utils.constants
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46852
diff changeset
310 node: a callback to convert a revision to nodeid
34e1fa4b548a revlog: move the details of revlog "v0" index inside revlog.utils.constants
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46852
diff changeset
311 version: the changelog version
34e1fa4b548a revlog: move the details of revlog "v0" index inside revlog.utils.constants
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46852
diff changeset
312 rev: the revision number
34e1fa4b548a revlog: move the details of revlog "v0" index inside revlog.utils.constants
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46852
diff changeset
313 """
10395
ea52a2d4f42c revlog: don't silently discard revlog flags on revlogv0
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 10329
diff changeset
314 if gettype(entry[0]):
43076
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Augie Fackler <augie@google.com>
parents: 43039
diff changeset
315 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
316 _(b'index entry flags need revlog version 1')
43076
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parents: 43039
diff changeset
317 )
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parents: 43039
diff changeset
318 e2 = (
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parents: 43039
diff changeset
319 getoffset(entry[0]),
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parents: 43039
diff changeset
320 entry[1],
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parents: 43039
diff changeset
321 entry[3],
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parents: 43039
diff changeset
322 entry[4],
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Augie Fackler <augie@google.com>
parents: 43039
diff changeset
323 node(entry[5]),
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parents: 43039
diff changeset
324 node(entry[6]),
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Augie Fackler <augie@google.com>
parents: 43039
diff changeset
325 entry[7],
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Augie Fackler <augie@google.com>
parents: 43039
diff changeset
326 )
46856
34e1fa4b548a revlog: move the details of revlog "v0" index inside revlog.utils.constants
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46852
diff changeset
327 return INDEX_ENTRY_V0.pack(*e2)
4986
58cc017ec7e0 revlog: abstract out index entry packing
Matt Mackall <mpm@selenic.com>
parents: 4985
diff changeset
328
43076
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parents: 43039
diff changeset
329
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
330 # 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
331 # signed integer)
43076
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Augie Fackler <augie@google.com>
parents: 43039
diff changeset
332 _maxentrysize = 0x7FFFFFFF
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Augie Fackler <augie@google.com>
parents: 43039
diff changeset
333
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
334
4972
8d0cf46e0dc6 revlog: add revlogio interface
Matt Mackall <mpm@selenic.com>
parents: 4971
diff changeset
335 class revlogio(object):
13264
8439526fb407 revlog/parseindex: no need to pass the file around
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 13259
diff changeset
336 def parseindex(self, data, inline):
7109
528b7fc1216c use the new parseindex implementation C in parsers
Bernhard Leiner <bleiner@gmail.com>
parents: 7089
diff changeset
337 # call the C implementation to parse the index data
13254
5ef5eb1f3515 revlog: only build the nodemap on demand
Matt Mackall <mpm@selenic.com>
parents: 13253
diff changeset
338 index, cache = parsers.parse_index2(data, inline)
43526
e258ad110488 revlog: no longer return the nodemap after parsing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43525
diff changeset
339 return index, cache
4972
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Matt Mackall <mpm@selenic.com>
parents: 4971
diff changeset
340
5338
f87685355c9c revlog: fix revlogio.packentry corner case
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5325
diff changeset
341 def packentry(self, entry, node, version, rev):
46857
cc65cea90edb revlog: move the details of revlog "v1" index inside revlog.utils.constants
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46856
diff changeset
342 p = INDEX_ENTRY_V1.pack(*entry)
5338
f87685355c9c revlog: fix revlogio.packentry corner case
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5325
diff changeset
343 if rev == 0:
46859
c6e23fb4bfb4 revlog: move the "index header" struct inside revlog.utils.constants
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46858
diff changeset
344 p = INDEX_HEADER.pack(version) + p[4:]
4986
58cc017ec7e0 revlog: abstract out index entry packing
Matt Mackall <mpm@selenic.com>
parents: 4985
diff changeset
345 return p
58cc017ec7e0 revlog: abstract out index entry packing
Matt Mackall <mpm@selenic.com>
parents: 4985
diff changeset
346
43076
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Augie Fackler <augie@google.com>
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diff changeset
347
46704
913485776542 revlog: introduce v2 format
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46607
diff changeset
348 class revlogv2io(object):
913485776542 revlog: introduce v2 format
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46607
diff changeset
349 def parseindex(self, data, inline):
913485776542 revlog: introduce v2 format
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46607
diff changeset
350 index, cache = parsers.parse_index2(data, inline, revlogv2=True)
913485776542 revlog: introduce v2 format
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46607
diff changeset
351 return index, cache
913485776542 revlog: introduce v2 format
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46607
diff changeset
352
913485776542 revlog: introduce v2 format
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46607
diff changeset
353 def packentry(self, entry, node, version, rev):
46858
85e3a630cad9 revlog: move the details of revlog "v2" index inside revlog.utils.constants
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46857
diff changeset
354 p = INDEX_ENTRY_V2.pack(*entry)
46704
913485776542 revlog: introduce v2 format
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46607
diff changeset
355 if rev == 0:
46859
c6e23fb4bfb4 revlog: move the "index header" struct inside revlog.utils.constants
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46858
diff changeset
356 p = INDEX_HEADER.pack(version) + p[4:]
46704
913485776542 revlog: introduce v2 format
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46607
diff changeset
357 return p
913485776542 revlog: introduce v2 format
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46607
diff changeset
358
913485776542 revlog: introduce v2 format
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46607
diff changeset
359
44313
6f9e8e142cea nodemap: add a (python) index class for persistent nodemap testing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44310
diff changeset
360 NodemapRevlogIO = None
6f9e8e142cea nodemap: add a (python) index class for persistent nodemap testing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44310
diff changeset
361
6f9e8e142cea nodemap: add a (python) index class for persistent nodemap testing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44310
diff changeset
362 if util.safehasattr(parsers, 'parse_index_devel_nodemap'):
6f9e8e142cea nodemap: add a (python) index class for persistent nodemap testing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44310
diff changeset
363
6f9e8e142cea nodemap: add a (python) index class for persistent nodemap testing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44310
diff changeset
364 class NodemapRevlogIO(revlogio):
6f9e8e142cea nodemap: add a (python) index class for persistent nodemap testing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44310
diff changeset
365 """A debug oriented IO class that return a PersistentNodeMapIndexObject
6f9e8e142cea nodemap: add a (python) index class for persistent nodemap testing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44310
diff changeset
366
6f9e8e142cea nodemap: add a (python) index class for persistent nodemap testing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44310
diff changeset
367 The PersistentNodeMapIndexObject object is meant to test the persistent nodemap feature.
6f9e8e142cea nodemap: add a (python) index class for persistent nodemap testing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44310
diff changeset
368 """
6f9e8e142cea nodemap: add a (python) index class for persistent nodemap testing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44310
diff changeset
369
6f9e8e142cea nodemap: add a (python) index class for persistent nodemap testing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44310
diff changeset
370 def parseindex(self, data, inline):
6f9e8e142cea nodemap: add a (python) index class for persistent nodemap testing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44310
diff changeset
371 index, cache = parsers.parse_index_devel_nodemap(data, inline)
6f9e8e142cea nodemap: add a (python) index class for persistent nodemap testing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44310
diff changeset
372 return index, cache
6f9e8e142cea nodemap: add a (python) index class for persistent nodemap testing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44310
diff changeset
373
6f9e8e142cea nodemap: add a (python) index class for persistent nodemap testing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44310
diff changeset
374
44014
8042856c90b6 rust-index: add a `experimental.rust.index` option to use the wrapper
Georges Racinet <georges.racinet@octobus.net>
parents: 43979
diff changeset
375 class rustrevlogio(revlogio):
8042856c90b6 rust-index: add a `experimental.rust.index` option to use the wrapper
Georges Racinet <georges.racinet@octobus.net>
parents: 43979
diff changeset
376 def parseindex(self, data, inline):
8042856c90b6 rust-index: add a `experimental.rust.index` option to use the wrapper
Georges Racinet <georges.racinet@octobus.net>
parents: 43979
diff changeset
377 index, cache = super(rustrevlogio, self).parseindex(data, inline)
8042856c90b6 rust-index: add a `experimental.rust.index` option to use the wrapper
Georges Racinet <georges.racinet@octobus.net>
parents: 43979
diff changeset
378 return rustrevlog.MixedIndex(index), cache
8042856c90b6 rust-index: add a `experimental.rust.index` option to use the wrapper
Georges Racinet <georges.racinet@octobus.net>
parents: 43979
diff changeset
379
8042856c90b6 rust-index: add a `experimental.rust.index` option to use the wrapper
Georges Racinet <georges.racinet@octobus.net>
parents: 43979
diff changeset
380
42995
73288e7abe9b flagprocessors: remove flagprocessorsmixin
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42994
diff changeset
381 class revlog(object):
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
382 """
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
383 the underlying revision storage object
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
384
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
385 A revlog consists of two parts, an index and the revision data.
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
386
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
387 The index is a file with a fixed record size containing
6912
b92baef99ebf Fixed docstring typos
Martin Geisler <mg@daimi.au.dk>
parents: 6891
diff changeset
388 information on each revision, including its nodeid (hash), the
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
389 nodeids of its parents, the position and offset of its data within
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
390 the data file, and the revision it's based on. Finally, each entry
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
391 contains a linkrev entry that can serve as a pointer to external
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
392 data.
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
393
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
394 The revision data itself is a linear collection of data chunks.
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
395 Each chunk represents a revision and is usually represented as a
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
396 delta against the previous chunk. To bound lookup time, runs of
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
397 deltas are limited to about 2 times the length of the original
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
398 version data. This makes retrieval of a version proportional to
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
399 its size, or O(1) relative to the number of revisions.
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
400
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
401 Both pieces of the revlog are written to in an append-only
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
402 fashion, which means we never need to rewrite a file to insert or
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
403 remove data, and can use some simple techniques to avoid the need
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
404 for locking while reading.
29997
b5e5ddf48bd2 revlog: specify checkambig at writing to avoid file stat ambiguity
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29830
diff changeset
405
b5e5ddf48bd2 revlog: specify checkambig at writing to avoid file stat ambiguity
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29830
diff changeset
406 If checkambig, indexfile is opened with checkambig=True at
b5e5ddf48bd2 revlog: specify checkambig at writing to avoid file stat ambiguity
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29830
diff changeset
407 writing, to avoid file stat ambiguity.
34296
3c9691728237 revlog: add option to mmap revlog index
Mark Thomas <mbthomas@fb.com>
parents: 34291
diff changeset
408
3c9691728237 revlog: add option to mmap revlog index
Mark Thomas <mbthomas@fb.com>
parents: 34291
diff changeset
409 If mmaplargeindex is True, and an mmapindexthreshold is set, the
3c9691728237 revlog: add option to mmap revlog index
Mark Thomas <mbthomas@fb.com>
parents: 34291
diff changeset
410 index will be mmapped rather than read if it is larger than the
3c9691728237 revlog: add option to mmap revlog index
Mark Thomas <mbthomas@fb.com>
parents: 34291
diff changeset
411 configured threshold.
37443
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
412
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
413 If censorable is True, the revlog can have censored revisions.
42462
bc4373babd04 revlog: add the option to track the expected compression upper bound
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42452
diff changeset
414
bc4373babd04 revlog: add the option to track the expected compression upper bound
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42452
diff changeset
415 If `upperboundcomp` is not None, this is the expected maximal gain from
bc4373babd04 revlog: add the option to track the expected compression upper bound
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42452
diff changeset
416 compression for the data content.
46607
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46509
diff changeset
417
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46509
diff changeset
418 `concurrencychecker` is an optional function that receives 3 arguments: a
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46509
diff changeset
419 file handle, a filename, and an expected position. It should check whether
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46509
diff changeset
420 the current position in the file handle is valid, and log/warn/fail (by
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46509
diff changeset
421 raising).
1083
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mpm@selenic.com
parents: 1074
diff changeset
422 """
42994
3674797ae8b9 flagprocessors: move _flagserrorclass attribute on revlog & co
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42993
diff changeset
423
3674797ae8b9 flagprocessors: move _flagserrorclass attribute on revlog & co
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42993
diff changeset
424 _flagserrorclass = error.RevlogError
3674797ae8b9 flagprocessors: move _flagserrorclass attribute on revlog & co
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42993
diff changeset
425
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
426 def __init__(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
427 self,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
428 opener,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
429 indexfile,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
430 datafile=None,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
431 checkambig=False,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
432 mmaplargeindex=False,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
433 censorable=False,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
434 upperboundcomp=None,
44308
5962fd0d1045 nodemap: write nodemap data on disk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44073
diff changeset
435 persistentnodemap=False,
46607
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46509
diff changeset
436 concurrencychecker=None,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
437 ):
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
438 """
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
439 create a revlog object
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
440
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
441 opener is a function that abstracts the file opening operation
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
442 and can be used to implement COW semantics or the like.
42462
bc4373babd04 revlog: add the option to track the expected compression upper bound
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42452
diff changeset
443
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
444 """
42462
bc4373babd04 revlog: add the option to track the expected compression upper bound
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42452
diff changeset
445 self.upperboundcomp = upperboundcomp
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
446 self.indexfile = indexfile
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
447 self.datafile = datafile or (indexfile[:-2] + b".d")
44308
5962fd0d1045 nodemap: write nodemap data on disk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44073
diff changeset
448 self.nodemap_file = None
5962fd0d1045 nodemap: write nodemap data on disk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44073
diff changeset
449 if persistentnodemap:
46469
835aafb2543f revlog: refactor logic to compute nodemap file in separate function
Pulkit Goyal <7895pulkit@gmail.com>
parents: 46373
diff changeset
450 self.nodemap_file = nodemaputil.get_nodemap_file(
835aafb2543f revlog: refactor logic to compute nodemap file in separate function
Pulkit Goyal <7895pulkit@gmail.com>
parents: 46373
diff changeset
451 opener, self.indexfile
835aafb2543f revlog: refactor logic to compute nodemap file in separate function
Pulkit Goyal <7895pulkit@gmail.com>
parents: 46373
diff changeset
452 )
44308
5962fd0d1045 nodemap: write nodemap data on disk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44073
diff changeset
453
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
454 self.opener = opener
29997
b5e5ddf48bd2 revlog: specify checkambig at writing to avoid file stat ambiguity
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29830
diff changeset
455 # When True, indexfile is opened with checkambig=True at writing, to
b5e5ddf48bd2 revlog: specify checkambig at writing to avoid file stat ambiguity
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29830
diff changeset
456 # avoid file stat ambiguity.
b5e5ddf48bd2 revlog: specify checkambig at writing to avoid file stat ambiguity
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29830
diff changeset
457 self._checkambig = checkambig
41203
d0de4fdd87aa revlog: store mmaplargeindex as an instance attribute
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41202
diff changeset
458 self._mmaplargeindex = mmaplargeindex
37443
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
459 self._censorable = censorable
27070
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
460 # 3-tuple of (node, rev, text) for a raw revision.
40052
55db747a21ad revlog: rename _cache to _revisioncache
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40010
diff changeset
461 self._revisioncache = None
29830
92ac2baaea86 revlog: use an LRU cache for delta chain bases
Gregory Szorc <gregory.szorc@gmail.com>
parents: 29829
diff changeset
462 # Maps rev to chain base rev.
92ac2baaea86 revlog: use an LRU cache for delta chain bases
Gregory Szorc <gregory.szorc@gmail.com>
parents: 29829
diff changeset
463 self._chainbasecache = util.lrucachedict(100)
27070
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
464 # 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
465 self._chunkcache = (0, b'')
27070
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
466 # How much data to read and cache into the raw revlog data cache.
20180
969148b49fc6 revlog: allow tuning of the chunk cache size (via format.chunkcachesize)
Brodie Rao <brodie@sf.io>
parents: 20179
diff changeset
467 self._chunkcachesize = 65536
23255
76effa770ff9 revlog: add config variable for limiting delta-chain length
Mateusz Kwapich <mitrandir@fb.com>
parents: 23254
diff changeset
468 self._maxchainlen = None
38736
93777d16a25d aggressivemergedeltas: rename variable internally
Boris Feld <boris.feld@octobus.net>
parents: 38718
diff changeset
469 self._deltabothparents = True
43525
845e5b313783 revlog: move the nodemap into the index object (for pure)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43524
diff changeset
470 self.index = None
44323
76a96e3a2bbb nodemap: keep track of the docket for loaded data
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44320
diff changeset
471 self._nodemap_docket = None
27070
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
472 # 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
473 self._pcache = {}
27070
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
474 # Mapping of revision integer to full node.
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
475 self._compengine = b'zlib'
42043
1fac9b931d46 compression: introduce a `storage.revlog.zlib.level` configuration
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41872
diff changeset
476 self._compengineopts = {}
33207
895ecec31c70 revlog: add an experimental option to mitigated delta issues (issue5480)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 33171
diff changeset
477 self._maxdeltachainspan = -1
34824
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse
Paul Morelle <paul.morelle@octobus.net>
parents: 34823
diff changeset
478 self._withsparseread = False
38717
aa21a9ad46ea sparse-revlog: new requirement enabled with format.sparse-revlog
Paul Morelle <paul.morelle@octobus.net>
parents: 38716
diff changeset
479 self._sparserevlog = False
38632
eb8504715071 sparse-read: target density of 50% instead of 25%
Paul Morelle <paul.morelle@octobus.net>
parents: 38602
diff changeset
480 self._srdensitythreshold = 0.50
34881
8c9b08a0c48c sparse-read: skip gaps too small to be worth splitting
Paul Morelle <paul.morelle@octobus.net>
parents: 34880
diff changeset
481 self._srmingapsize = 262144
4985
e6525e459157 revlog: simplify revlog.__init__
Matt Mackall <mpm@selenic.com>
parents: 4984
diff changeset
482
39768
7b2b42fc377a revlog: store flag processors per revlog
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39767
diff changeset
483 # Make copy of flag processors so each revlog instance can support
7b2b42fc377a revlog: store flag processors per revlog
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39767
diff changeset
484 # custom flags.
42729
05c80f9ef100 flagutil: move the `flagprocessors` mapping in the new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42728
diff changeset
485 self._flagprocessors = dict(flagutil.flagprocessors)
39768
7b2b42fc377a revlog: store flag processors per revlog
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39767
diff changeset
486
40627
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40626
diff changeset
487 # 2-tuple of file handles being used for active writing.
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40626
diff changeset
488 self._writinghandles = None
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40626
diff changeset
489
41204
e3cfe0702eac revlog: inline opener options logic into _loadindex()
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41203
diff changeset
490 self._loadindex()
e3cfe0702eac revlog: inline opener options logic into _loadindex()
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41203
diff changeset
491
46607
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46509
diff changeset
492 self._concurrencychecker = concurrencychecker
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46509
diff changeset
493
41204
e3cfe0702eac revlog: inline opener options logic into _loadindex()
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41203
diff changeset
494 def _loadindex(self):
34296
3c9691728237 revlog: add option to mmap revlog index
Mark Thomas <mbthomas@fb.com>
parents: 34291
diff changeset
495 mmapindexthreshold = None
43025
3518da504303 vfs: give all vfs an options attribute by default
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43024
diff changeset
496 opts = self.opener.options
41200
cecf3f8bccd3 revlog: always process opener options
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41115
diff changeset
497
43077
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Augie Fackler <augie@google.com>
parents: 43076
diff changeset
498 if b'revlogv2' in opts:
41205
3f807237dc94 revlog: use separate variables to track version flags
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41204
diff changeset
499 newversionflags = REVLOGV2 | FLAG_INLINE_DATA
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
500 elif b'revlogv1' in opts:
41205
3f807237dc94 revlog: use separate variables to track version flags
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41204
diff changeset
501 newversionflags = REVLOGV1 | FLAG_INLINE_DATA
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
502 if b'generaldelta' in opts:
41205
3f807237dc94 revlog: use separate variables to track version flags
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41204
diff changeset
503 newversionflags |= FLAG_GENERALDELTA
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
504 elif b'revlogv0' in self.opener.options:
41303
c953c2a94d68 revlog: fix resolution of revlog version 0
Yuya Nishihara <yuya@tcha.org>
parents: 41301
diff changeset
505 newversionflags = REVLOGV0
41200
cecf3f8bccd3 revlog: always process opener options
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41115
diff changeset
506 else:
41205
3f807237dc94 revlog: use separate variables to track version flags
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41204
diff changeset
507 newversionflags = REVLOG_DEFAULT_VERSION
41200
cecf3f8bccd3 revlog: always process opener options
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41115
diff changeset
508
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
509 if b'chunkcachesize' in opts:
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
510 self._chunkcachesize = opts[b'chunkcachesize']
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
511 if b'maxchainlen' in opts:
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
512 self._maxchainlen = opts[b'maxchainlen']
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
513 if b'deltabothparents' in opts:
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
514 self._deltabothparents = opts[b'deltabothparents']
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
515 self._lazydelta = bool(opts.get(b'lazydelta', True))
41819
688fc33e105d storage: introduce a `revlog.reuse-external-delta` config
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41764
diff changeset
516 self._lazydeltabase = False
688fc33e105d storage: introduce a `revlog.reuse-external-delta` config
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41764
diff changeset
517 if self._lazydelta:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
518 self._lazydeltabase = bool(opts.get(b'lazydeltabase', False))
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
519 if b'compengine' in opts:
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
520 self._compengine = opts[b'compengine']
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
521 if b'zlib.level' in opts:
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
522 self._compengineopts[b'zlib.level'] = opts[b'zlib.level']
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
523 if b'zstd.level' in opts:
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
524 self._compengineopts[b'zstd.level'] = opts[b'zstd.level']
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
525 if b'maxdeltachainspan' in opts:
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
526 self._maxdeltachainspan = opts[b'maxdeltachainspan']
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
527 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
528 mmapindexthreshold = opts[b'mmapindexthreshold']
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
529 self.hassidedata = bool(opts.get(b'side-data', False))
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
530 self._sparserevlog = bool(opts.get(b'sparse-revlog', False))
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
531 withsparseread = bool(opts.get(b'with-sparse-read', False))
41200
cecf3f8bccd3 revlog: always process opener options
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41115
diff changeset
532 # sparse-revlog forces sparse-read
cecf3f8bccd3 revlog: always process opener options
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41115
diff changeset
533 self._withsparseread = self._sparserevlog or withsparseread
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
534 if b'sparse-read-density-threshold' in opts:
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
535 self._srdensitythreshold = opts[b'sparse-read-density-threshold']
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
536 if b'sparse-read-min-gap-size' in opts:
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
537 self._srmingapsize = opts[b'sparse-read-min-gap-size']
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
538 if opts.get(b'enableellipsis'):
41200
cecf3f8bccd3 revlog: always process opener options
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41115
diff changeset
539 self._flagprocessors[REVIDX_ELLIPSIS] = ellipsisprocessor
cecf3f8bccd3 revlog: always process opener options
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41115
diff changeset
540
cecf3f8bccd3 revlog: always process opener options
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41115
diff changeset
541 # revlog v0 doesn't have flag processors
43106
d783f945a701 py3: finish porting iteritems() to pycompat and remove source transformer
Gregory Szorc <gregory.szorc@gmail.com>
parents: 43089
diff changeset
542 for flag, processor in pycompat.iteritems(
d783f945a701 py3: finish porting iteritems() to pycompat and remove source transformer
Gregory Szorc <gregory.szorc@gmail.com>
parents: 43089
diff changeset
543 opts.get(b'flagprocessors', {})
d783f945a701 py3: finish porting iteritems() to pycompat and remove source transformer
Gregory Szorc <gregory.szorc@gmail.com>
parents: 43089
diff changeset
544 ):
42731
5109217a9ab6 flagutil: move insertflagprocessor to the new module (API)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42730
diff changeset
545 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
546
20180
969148b49fc6 revlog: allow tuning of the chunk cache size (via format.chunkcachesize)
Brodie Rao <brodie@sf.io>
parents: 20179
diff changeset
547 if self._chunkcachesize <= 0:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
548 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
549 _(b'revlog chunk cache size %r is not greater than 0')
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
550 % self._chunkcachesize
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
551 )
20180
969148b49fc6 revlog: allow tuning of the chunk cache size (via format.chunkcachesize)
Brodie Rao <brodie@sf.io>
parents: 20179
diff changeset
552 elif self._chunkcachesize & (self._chunkcachesize - 1):
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
553 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
554 _(b'revlog chunk cache size %r is not a power of 2')
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
555 % self._chunkcachesize
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
556 )
11928
b69899dbad40 revlog: parentdelta flags for revlog index
Pradeepkumar Gayam <in3xes@gmail.com>
parents: 11759
diff changeset
557
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
558 indexdata = b''
14334
85c82ebc96a3 changelog: don't use generaldelta
Sune Foldager <cryo@cyanite.org>
parents: 14333
diff changeset
559 self._initempty = True
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
560 try:
35969
1f2b8a644dd4 revlog: use context manager for index file life time in __init__
Boris Feld <boris.feld@octobus.net>
parents: 35968
diff changeset
561 with self._indexfp() as f:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
562 if (
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
563 mmapindexthreshold is not None
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
564 and self.opener.fstat(f).st_size >= mmapindexthreshold
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
565 ):
41286
00b314c42094 revlog: document that mmap resources are released implicitly by GC
Yuya Nishihara <yuya@tcha.org>
parents: 41275
diff changeset
566 # TODO: should .close() to release resources without
00b314c42094 revlog: document that mmap resources are released implicitly by GC
Yuya Nishihara <yuya@tcha.org>
parents: 41275
diff changeset
567 # relying on Python GC
35969
1f2b8a644dd4 revlog: use context manager for index file life time in __init__
Boris Feld <boris.feld@octobus.net>
parents: 35968
diff changeset
568 indexdata = util.buffer(util.mmapread(f))
1f2b8a644dd4 revlog: use context manager for index file life time in __init__
Boris Feld <boris.feld@octobus.net>
parents: 35968
diff changeset
569 else:
1f2b8a644dd4 revlog: use context manager for index file life time in __init__
Boris Feld <boris.feld@octobus.net>
parents: 35968
diff changeset
570 indexdata = f.read()
26241
eb97d49768cc revlog: rename generic "i" variable to "indexdata"
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26118
diff changeset
571 if len(indexdata) > 0:
46859
c6e23fb4bfb4 revlog: move the "index header" struct inside revlog.utils.constants
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46858
diff changeset
572 versionflags = INDEX_HEADER.unpack(indexdata[:4])[0]
14334
85c82ebc96a3 changelog: don't use generaldelta
Sune Foldager <cryo@cyanite.org>
parents: 14333
diff changeset
573 self._initempty = False
41205
3f807237dc94 revlog: use separate variables to track version flags
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41204
diff changeset
574 else:
3f807237dc94 revlog: use separate variables to track version flags
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41204
diff changeset
575 versionflags = newversionflags
25660
328739ea70c3 global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents: 25459
diff changeset
576 except IOError as inst:
1322
b3d44e9b3092 Make revlog constructor more discerning in its treatment of errors.
Bryan O'Sullivan <bos@serpentine.com>
parents: 1232
diff changeset
577 if inst.errno != errno.ENOENT:
b3d44e9b3092 Make revlog constructor more discerning in its treatment of errors.
Bryan O'Sullivan <bos@serpentine.com>
parents: 1232
diff changeset
578 raise
4985
e6525e459157 revlog: simplify revlog.__init__
Matt Mackall <mpm@selenic.com>
parents: 4984
diff changeset
579
41205
3f807237dc94 revlog: use separate variables to track version flags
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41204
diff changeset
580 versionflags = newversionflags
3f807237dc94 revlog: use separate variables to track version flags
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41204
diff changeset
581
41201
6439cefaeb64 revlog: rename v to versionflags
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41200
diff changeset
582 self.version = versionflags
41202
e7a2cc84dbc0 revlog: always enable generaldelta on version 2 revlogs
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41201
diff changeset
583
41201
6439cefaeb64 revlog: rename v to versionflags
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41200
diff changeset
584 flags = versionflags & ~0xFFFF
6439cefaeb64 revlog: rename v to versionflags
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41200
diff changeset
585 fmt = versionflags & 0xFFFF
41202
e7a2cc84dbc0 revlog: always enable generaldelta on version 2 revlogs
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41201
diff changeset
586
32392
36d3559c69a6 revlog: tweak wording and logic for flags validation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32372
diff changeset
587 if fmt == REVLOGV0:
36d3559c69a6 revlog: tweak wording and logic for flags validation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32372
diff changeset
588 if flags:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
589 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
590 _(b'unknown flags (%#04x) in version %d revlog %s')
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
591 % (flags >> 16, fmt, self.indexfile)
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
592 )
41202
e7a2cc84dbc0 revlog: always enable generaldelta on version 2 revlogs
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41201
diff changeset
593
e7a2cc84dbc0 revlog: always enable generaldelta on version 2 revlogs
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41201
diff changeset
594 self._inline = False
e7a2cc84dbc0 revlog: always enable generaldelta on version 2 revlogs
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41201
diff changeset
595 self._generaldelta = False
e7a2cc84dbc0 revlog: always enable generaldelta on version 2 revlogs
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41201
diff changeset
596
32392
36d3559c69a6 revlog: tweak wording and logic for flags validation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32372
diff changeset
597 elif fmt == REVLOGV1:
36d3559c69a6 revlog: tweak wording and logic for flags validation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32372
diff changeset
598 if flags & ~REVLOGV1_FLAGS:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
599 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
600 _(b'unknown flags (%#04x) in version %d revlog %s')
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
601 % (flags >> 16, fmt, self.indexfile)
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
602 )
41202
e7a2cc84dbc0 revlog: always enable generaldelta on version 2 revlogs
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41201
diff changeset
603
e7a2cc84dbc0 revlog: always enable generaldelta on version 2 revlogs
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41201
diff changeset
604 self._inline = versionflags & FLAG_INLINE_DATA
e7a2cc84dbc0 revlog: always enable generaldelta on version 2 revlogs
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41201
diff changeset
605 self._generaldelta = versionflags & FLAG_GENERALDELTA
e7a2cc84dbc0 revlog: always enable generaldelta on version 2 revlogs
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41201
diff changeset
606
32697
19b9fc40cc51 revlog: skeleton support for version 2 revlogs
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32684
diff changeset
607 elif fmt == REVLOGV2:
19b9fc40cc51 revlog: skeleton support for version 2 revlogs
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32684
diff changeset
608 if flags & ~REVLOGV2_FLAGS:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
609 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
610 _(b'unknown flags (%#04x) in version %d revlog %s')
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
611 % (flags >> 16, fmt, self.indexfile)
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
612 )
41202
e7a2cc84dbc0 revlog: always enable generaldelta on version 2 revlogs
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41201
diff changeset
613
46716
c8bb7b89179e revlogv2: temporarily forbid inline revlogs
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46715
diff changeset
614 # There is a bug in the transaction handling when going from an
c8bb7b89179e revlogv2: temporarily forbid inline revlogs
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46715
diff changeset
615 # inline revlog to a separate index and data file. Turn it off until
c8bb7b89179e revlogv2: temporarily forbid inline revlogs
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46715
diff changeset
616 # it's fixed, since v2 revlogs sometimes get rewritten on exchange.
c8bb7b89179e revlogv2: temporarily forbid inline revlogs
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46715
diff changeset
617 # See issue6485
c8bb7b89179e revlogv2: temporarily forbid inline revlogs
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46715
diff changeset
618 self._inline = False
41202
e7a2cc84dbc0 revlog: always enable generaldelta on version 2 revlogs
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41201
diff changeset
619 # generaldelta implied by version 2 revlogs.
e7a2cc84dbc0 revlog: always enable generaldelta on version 2 revlogs
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41201
diff changeset
620 self._generaldelta = True
e7a2cc84dbc0 revlog: always enable generaldelta on version 2 revlogs
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41201
diff changeset
621
32392
36d3559c69a6 revlog: tweak wording and logic for flags validation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32372
diff changeset
622 else:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
623 raise error.RevlogError(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
624 _(b'unknown version (%d) in revlog %s') % (fmt, self.indexfile)
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
625 )
46780
6266d19556ad node: introduce nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46779
diff changeset
626
6266d19556ad node: introduce nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46779
diff changeset
627 self.nodeconstants = sha1nodeconstants
6266d19556ad node: introduce nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46779
diff changeset
628 self.nullid = self.nodeconstants.nullid
6266d19556ad node: introduce nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46779
diff changeset
629
41447
189e06b2d719 revlog: make sure we never use sparserevlog without general delta (issue6056)
Boris Feld <boris.feld@octobus.net>
parents: 41350
diff changeset
630 # 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: 41350
diff changeset
631 if not self._generaldelta:
189e06b2d719 revlog: make sure we never use sparserevlog without general delta (issue6056)
Boris Feld <boris.feld@octobus.net>
parents: 41350
diff changeset
632 self._sparserevlog = False
4985
e6525e459157 revlog: simplify revlog.__init__
Matt Mackall <mpm@selenic.com>
parents: 4984
diff changeset
633
39232
0a5b20c107a6 repository: remove storedeltachains from ifilestorage
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39231
diff changeset
634 self._storedeltachains = True
30154
5e72129d75ed revlog: add instance variable controlling delta chain use
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30012
diff changeset
635
44313
6f9e8e142cea nodemap: add a (python) index class for persistent nodemap testing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44310
diff changeset
636 devel_nodemap = (
6f9e8e142cea nodemap: add a (python) index class for persistent nodemap testing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44310
diff changeset
637 self.nodemap_file
6f9e8e142cea nodemap: add a (python) index class for persistent nodemap testing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44310
diff changeset
638 and opts.get(b'devel-force-nodemap', False)
6f9e8e142cea nodemap: add a (python) index class for persistent nodemap testing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44310
diff changeset
639 and NodemapRevlogIO is not None
6f9e8e142cea nodemap: add a (python) index class for persistent nodemap testing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44310
diff changeset
640 )
6f9e8e142cea nodemap: add a (python) index class for persistent nodemap testing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44310
diff changeset
641
44513
e7fff9c3cdac rust-nodemap: automatically use the rust index for persistent nodemap
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44501
diff changeset
642 use_rust_index = False
e7fff9c3cdac rust-nodemap: automatically use the rust index for persistent nodemap
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44501
diff changeset
643 if rustrevlog is not None:
e7fff9c3cdac rust-nodemap: automatically use the rust index for persistent nodemap
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44501
diff changeset
644 if self.nodemap_file is not None:
e7fff9c3cdac rust-nodemap: automatically use the rust index for persistent nodemap
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44501
diff changeset
645 use_rust_index = True
e7fff9c3cdac rust-nodemap: automatically use the rust index for persistent nodemap
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44501
diff changeset
646 else:
e7fff9c3cdac rust-nodemap: automatically use the rust index for persistent nodemap
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44501
diff changeset
647 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: 44501
diff changeset
648
4972
8d0cf46e0dc6 revlog: add revlogio interface
Matt Mackall <mpm@selenic.com>
parents: 4971
diff changeset
649 self._io = revlogio()
4971
3e6dae278c99 revlog: regroup parsing code
Matt Mackall <mpm@selenic.com>
parents: 4920
diff changeset
650 if self.version == REVLOGV0:
4972
8d0cf46e0dc6 revlog: add revlogio interface
Matt Mackall <mpm@selenic.com>
parents: 4971
diff changeset
651 self._io = revlogoldio()
46704
913485776542 revlog: introduce v2 format
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46607
diff changeset
652 elif fmt == REVLOGV2:
913485776542 revlog: introduce v2 format
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46607
diff changeset
653 self._io = revlogv2io()
44313
6f9e8e142cea nodemap: add a (python) index class for persistent nodemap testing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44310
diff changeset
654 elif devel_nodemap:
6f9e8e142cea nodemap: add a (python) index class for persistent nodemap testing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44310
diff changeset
655 self._io = NodemapRevlogIO()
44513
e7fff9c3cdac rust-nodemap: automatically use the rust index for persistent nodemap
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44501
diff changeset
656 elif use_rust_index:
44054
612225e994ff revlog: reorder a conditionnal about revlogio
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44047
diff changeset
657 self._io = rustrevlogio()
13265
04b302ce2781 revlog: always add the magic nullid/nullrev entry in parseindex
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 13264
diff changeset
658 try:
26241
eb97d49768cc revlog: rename generic "i" variable to "indexdata"
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26118
diff changeset
659 d = self._io.parseindex(indexdata, self._inline)
44320
671f9479af0e nodemap: provide the on disk data to indexes who support it
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44313
diff changeset
660 index, _chunkcache = d
671f9479af0e nodemap: provide the on disk data to indexes who support it
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44313
diff changeset
661 use_nodemap = (
671f9479af0e nodemap: provide the on disk data to indexes who support it
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44313
diff changeset
662 not self._inline
671f9479af0e nodemap: provide the on disk data to indexes who support it
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44313
diff changeset
663 and self.nodemap_file is not None
671f9479af0e nodemap: provide the on disk data to indexes who support it
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44313
diff changeset
664 and util.safehasattr(index, 'update_nodemap_data')
671f9479af0e nodemap: provide the on disk data to indexes who support it
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44313
diff changeset
665 )
671f9479af0e nodemap: provide the on disk data to indexes who support it
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44313
diff changeset
666 if use_nodemap:
671f9479af0e nodemap: provide the on disk data to indexes who support it
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44313
diff changeset
667 nodemap_data = nodemaputil.persisted_data(self)
671f9479af0e nodemap: provide the on disk data to indexes who support it
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44313
diff changeset
668 if nodemap_data is not None:
44515
6c906eaedd0d nodemap: track the tip_node for validation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44513
diff changeset
669 docket = nodemap_data[0]
44954
affe0fb42250 nodemap: fix validity checking when revlog is too short
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44516
diff changeset
670 if (
affe0fb42250 nodemap: fix validity checking when revlog is too short
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44516
diff changeset
671 len(d[0]) > docket.tip_rev
affe0fb42250 nodemap: fix validity checking when revlog is too short
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44516
diff changeset
672 and d[0][docket.tip_rev][7] == docket.tip_node
affe0fb42250 nodemap: fix validity checking when revlog is too short
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44516
diff changeset
673 ):
44515
6c906eaedd0d nodemap: track the tip_node for validation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44513
diff changeset
674 # no changelog tampering
6c906eaedd0d nodemap: track the tip_node for validation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44513
diff changeset
675 self._nodemap_docket = docket
6c906eaedd0d nodemap: track the tip_node for validation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44513
diff changeset
676 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
677 except (ValueError, IndexError):
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
678 raise error.RevlogError(
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
679 _(b"index %s is corrupted") % self.indexfile
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
680 )
43526
e258ad110488 revlog: no longer return the nodemap after parsing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43525
diff changeset
681 self.index, self._chunkcache = d
13265
04b302ce2781 revlog: always add the magic nullid/nullrev entry in parseindex
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 13264
diff changeset
682 if not self._chunkcache:
04b302ce2781 revlog: always add the magic nullid/nullrev entry in parseindex
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 13264
diff changeset
683 self._chunkclear()
23306
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452)
Siddharth Agarwal <sid0@fb.com>
parents: 23288
diff changeset
684 # revnum -> (chain-length, sum-delta-length)
45779
8719a5b68419 revlog: use LRU for the chain cache
Joerg Sonnenberger <joerg@bec.de>
parents: 45735
diff changeset
685 self._chaininfocache = util.lrucachedict(500)
30817
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
686 # revlog header -> revlog compressor
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
687 self._decompressors = {}
116
e484cd5ec282 Only use lazy indexing for big indices and avoid the overhead of the
mpm@selenic.com
parents: 115
diff changeset
688
30795
78ac56aebab6 revlog: use compression engine API for compression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30793
diff changeset
689 @util.propertycache
78ac56aebab6 revlog: use compression engine API for compression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30793
diff changeset
690 def _compressor(self):
42043
1fac9b931d46 compression: introduce a `storage.revlog.zlib.level` configuration
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41872
diff changeset
691 engine = util.compengines[self._compengine]
1fac9b931d46 compression: introduce a `storage.revlog.zlib.level` configuration
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41872
diff changeset
692 return engine.revlogcompressor(self._compengineopts)
30795
78ac56aebab6 revlog: use compression engine API for compression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30793
diff changeset
693
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
694 def _indexfp(self, mode=b'r'):
35968
91b3b11565e5 revlog: move index file opening in a method
Boris Feld <boris.feld@octobus.net>
parents: 35967
diff changeset
695 """file object for the revlog's index file"""
43506
9f70512ae2cf cleanup: remove pointless r-prefixes on single-quoted strings
Augie Fackler <augie@google.com>
parents: 43440
diff changeset
696 args = {'mode': mode}
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
697 if mode != b'r':
43506
9f70512ae2cf cleanup: remove pointless r-prefixes on single-quoted strings
Augie Fackler <augie@google.com>
parents: 43440
diff changeset
698 args['checkambig'] = self._checkambig
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
699 if mode == b'w':
43506
9f70512ae2cf cleanup: remove pointless r-prefixes on single-quoted strings
Augie Fackler <augie@google.com>
parents: 43440
diff changeset
700 args['atomictemp'] = True
35968
91b3b11565e5 revlog: move index file opening in a method
Boris Feld <boris.feld@octobus.net>
parents: 35967
diff changeset
701 return self.opener(self.indexfile, **args)
91b3b11565e5 revlog: move index file opening in a method
Boris Feld <boris.feld@octobus.net>
parents: 35967
diff changeset
702
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
703 def _datafp(self, mode=b'r'):
35967
61326dd7cb8d revlog: move datafile opening in a method
Boris Feld <boris.feld@octobus.net>
parents: 35845
diff changeset
704 """file object for the revlog's data file"""
61326dd7cb8d revlog: move datafile opening in a method
Boris Feld <boris.feld@octobus.net>
parents: 35845
diff changeset
705 return self.opener(self.datafile, mode=mode)
61326dd7cb8d revlog: move datafile opening in a method
Boris Feld <boris.feld@octobus.net>
parents: 35845
diff changeset
706
35973
4d66993bdcff revlog: add a _datareadfp context manager for data access needs
Boris Feld <boris.feld@octobus.net>
parents: 35972
diff changeset
707 @contextlib.contextmanager
4d66993bdcff revlog: add a _datareadfp context manager for data access needs
Boris Feld <boris.feld@octobus.net>
parents: 35972
diff changeset
708 def _datareadfp(self, existingfp=None):
4d66993bdcff revlog: add a _datareadfp context manager for data access needs
Boris Feld <boris.feld@octobus.net>
parents: 35972
diff changeset
709 """file object suitable to read data"""
40627
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40626
diff changeset
710 # Use explicit file handle, if given.
35973
4d66993bdcff revlog: add a _datareadfp context manager for data access needs
Boris Feld <boris.feld@octobus.net>
parents: 35972
diff changeset
711 if existingfp is not None:
4d66993bdcff revlog: add a _datareadfp context manager for data access needs
Boris Feld <boris.feld@octobus.net>
parents: 35972
diff changeset
712 yield existingfp
40627
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40626
diff changeset
713
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40626
diff changeset
714 # Use a file handle being actively used for writes, if available.
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40626
diff changeset
715 # There is some danger to doing this because reads will seek the
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40626
diff changeset
716 # file. However, _writeentry() performs a SEEK_END before all writes,
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40626
diff changeset
717 # so we should be safe.
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40626
diff changeset
718 elif self._writinghandles:
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40626
diff changeset
719 if self._inline:
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40626
diff changeset
720 yield self._writinghandles[0]
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40626
diff changeset
721 else:
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40626
diff changeset
722 yield self._writinghandles[1]
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40626
diff changeset
723
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40626
diff changeset
724 # Otherwise open a new file handle.
35973
4d66993bdcff revlog: add a _datareadfp context manager for data access needs
Boris Feld <boris.feld@octobus.net>
parents: 35972
diff changeset
725 else:
4d66993bdcff revlog: add a _datareadfp context manager for data access needs
Boris Feld <boris.feld@octobus.net>
parents: 35972
diff changeset
726 if self._inline:
4d66993bdcff revlog: add a _datareadfp context manager for data access needs
Boris Feld <boris.feld@octobus.net>
parents: 35972
diff changeset
727 func = self._indexfp
4d66993bdcff revlog: add a _datareadfp context manager for data access needs
Boris Feld <boris.feld@octobus.net>
parents: 35972
diff changeset
728 else:
4d66993bdcff revlog: add a _datareadfp context manager for data access needs
Boris Feld <boris.feld@octobus.net>
parents: 35972
diff changeset
729 func = self._datafp
4d66993bdcff revlog: add a _datareadfp context manager for data access needs
Boris Feld <boris.feld@octobus.net>
parents: 35972
diff changeset
730 with func() as fp:
4d66993bdcff revlog: add a _datareadfp context manager for data access needs
Boris Feld <boris.feld@octobus.net>
parents: 35972
diff changeset
731 yield fp
4d66993bdcff revlog: add a _datareadfp context manager for data access needs
Boris Feld <boris.feld@octobus.net>
parents: 35972
diff changeset
732
43440
ec7ba79bf3db revlog: move tiprev() from changelog up to revlog
Martin von Zweigbergk <martinvonz@google.com>
parents: 43133
diff changeset
733 def tiprev(self):
ec7ba79bf3db revlog: move tiprev() from changelog up to revlog
Martin von Zweigbergk <martinvonz@google.com>
parents: 43133
diff changeset
734 return len(self.index) - 1
ec7ba79bf3db revlog: move tiprev() from changelog up to revlog
Martin von Zweigbergk <martinvonz@google.com>
parents: 43133
diff changeset
735
4980
fc44c8df9d99 revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents: 4979
diff changeset
736 def tip(self):
43440
ec7ba79bf3db revlog: move tiprev() from changelog up to revlog
Martin von Zweigbergk <martinvonz@google.com>
parents: 43133
diff changeset
737 return self.node(self.tiprev())
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
738
24030
828dc8db5515 revlog: add __contains__ for fast membership test
Yuya Nishihara <yuya@tcha.org>
parents: 23857
diff changeset
739 def __contains__(self, rev):
828dc8db5515 revlog: add __contains__ for fast membership test
Yuya Nishihara <yuya@tcha.org>
parents: 23857
diff changeset
740 return 0 <= rev < len(self)
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
741
6750
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog
Matt Mackall <mpm@selenic.com>
parents: 6703
diff changeset
742 def __len__(self):
38851
781b2720d2ac index: don't include nullid in len()
Martin von Zweigbergk <martinvonz@google.com>
parents: 38850
diff changeset
743 return len(self.index)
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
744
6750
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog
Matt Mackall <mpm@selenic.com>
parents: 6703
diff changeset
745 def __iter__(self):
38783
e7aa113b14f7 global: use pycompat.xrange()
Gregory Szorc <gregory.szorc@gmail.com>
parents: 38777
diff changeset
746 return iter(pycompat.xrange(len(self)))
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
747
17672
474047947b8f clfilter: make the revlog class responsible of all its iteration
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17537
diff changeset
748 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
749 """iterate over all rev in this revlog (from start to stop)"""
39881
d63153611ed5 storageutil: extract revision number iteration
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39879
diff changeset
750 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
751
43574
02802fa87b74 revlog: deprecate direct `nodemap` access
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43573
diff changeset
752 @property
13275
68da048b4c88 revlog: incrementally build node cache with linear searches
Matt Mackall <mpm@selenic.com>
parents: 13268
diff changeset
753 def nodemap(self):
43574
02802fa87b74 revlog: deprecate direct `nodemap` access
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43573
diff changeset
754 msg = (
43619
c207c46a86b9 py3: pass a bytes value for "msg" to nouideprecwarn()
Denis Laxalde <denis.laxalde@logilab.fr>
parents: 43581
diff changeset
755 b"revlog.nodemap is deprecated, "
c207c46a86b9 py3: pass a bytes value for "msg" to nouideprecwarn()
Denis Laxalde <denis.laxalde@logilab.fr>
parents: 43581
diff changeset
756 b"use revlog.index.[has_node|rev|get_rev]"
43574
02802fa87b74 revlog: deprecate direct `nodemap` access
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43573
diff changeset
757 )
02802fa87b74 revlog: deprecate direct `nodemap` access
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43573
diff changeset
758 util.nouideprecwarn(msg, b'5.3', stacklevel=2)
43528
90a0f631829e revlog: return the nodemap as the nodecache
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43526
diff changeset
759 return self.index.nodemap
13259
3b616dfa4b17 revlog: do revlog node->rev mapping by scanning
Matt Mackall <mpm@selenic.com>
parents: 13258
diff changeset
760
43530
6e3e3e5446ba revlog: deprecate the _nodecache attribute (API)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43529
diff changeset
761 @property
6e3e3e5446ba revlog: deprecate the _nodecache attribute (API)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43529
diff changeset
762 def _nodecache(self):
43619
c207c46a86b9 py3: pass a bytes value for "msg" to nouideprecwarn()
Denis Laxalde <denis.laxalde@logilab.fr>
parents: 43581
diff changeset
763 msg = b"revlog._nodecache is deprecated, use revlog.index.nodemap"
43530
6e3e3e5446ba revlog: deprecate the _nodecache attribute (API)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43529
diff changeset
764 util.nouideprecwarn(msg, b'5.3', stacklevel=2)
6e3e3e5446ba revlog: deprecate the _nodecache attribute (API)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43529
diff changeset
765 return self.index.nodemap
6e3e3e5446ba revlog: deprecate the _nodecache attribute (API)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43529
diff changeset
766
16374
29c2ff719715 revlog: add hasnode helper method
Matt Mackall <mpm@selenic.com>
parents: 15890
diff changeset
767 def hasnode(self, node):
29c2ff719715 revlog: add hasnode helper method
Matt Mackall <mpm@selenic.com>
parents: 15890
diff changeset
768 try:
29c2ff719715 revlog: add hasnode helper method
Matt Mackall <mpm@selenic.com>
parents: 15890
diff changeset
769 self.rev(node)
29c2ff719715 revlog: add hasnode helper method
Matt Mackall <mpm@selenic.com>
parents: 15890
diff changeset
770 return True
29c2ff719715 revlog: add hasnode helper method
Matt Mackall <mpm@selenic.com>
parents: 15890
diff changeset
771 except KeyError:
29c2ff719715 revlog: add hasnode helper method
Matt Mackall <mpm@selenic.com>
parents: 15890
diff changeset
772 return False
29c2ff719715 revlog: add hasnode helper method
Matt Mackall <mpm@selenic.com>
parents: 15890
diff changeset
773
36743
d031609b3cb7 changegroup: do not delta lfs revisions
Jun Wu <quark@fb.com>
parents: 35738
diff changeset
774 def candelta(self, baserev, rev):
d031609b3cb7 changegroup: do not delta lfs revisions
Jun Wu <quark@fb.com>
parents: 35738
diff changeset
775 """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
776 # 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
777 # 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
778 # 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
779 # 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
780 # rawtext contents) and the delta could be incompatible.
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
781 if (self.flags(baserev) & REVIDX_RAWTEXT_CHANGING_FLAGS) or (
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
782 self.flags(rev) & REVIDX_RAWTEXT_CHANGING_FLAGS
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
783 ):
36743
d031609b3cb7 changegroup: do not delta lfs revisions
Jun Wu <quark@fb.com>
parents: 35738
diff changeset
784 return False
d031609b3cb7 changegroup: do not delta lfs revisions
Jun Wu <quark@fb.com>
parents: 35738
diff changeset
785 return True
d031609b3cb7 changegroup: do not delta lfs revisions
Jun Wu <quark@fb.com>
parents: 35738
diff changeset
786
44445
336ec75ed1ac nodemap: warm the persistent nodemap on disk with debugupdatecache
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44363
diff changeset
787 def update_caches(self, transaction):
336ec75ed1ac nodemap: warm the persistent nodemap on disk with debugupdatecache
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44363
diff changeset
788 if self.nodemap_file is not None:
336ec75ed1ac nodemap: warm the persistent nodemap on disk with debugupdatecache
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44363
diff changeset
789 if transaction is None:
336ec75ed1ac nodemap: warm the persistent nodemap on disk with debugupdatecache
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44363
diff changeset
790 nodemaputil.update_persistent_nodemap(self)
336ec75ed1ac nodemap: warm the persistent nodemap on disk with debugupdatecache
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44363
diff changeset
791 else:
336ec75ed1ac nodemap: warm the persistent nodemap on disk with debugupdatecache
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44363
diff changeset
792 nodemaputil.setup_persistent_nodemap(transaction, self)
336ec75ed1ac nodemap: warm the persistent nodemap on disk with debugupdatecache
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44363
diff changeset
793
16414
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents: 16375
diff changeset
794 def clearcaches(self):
40052
55db747a21ad revlog: rename _cache to _revisioncache
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40010
diff changeset
795 self._revisioncache = None
29830
92ac2baaea86 revlog: use an LRU cache for delta chain bases
Gregory Szorc <gregory.szorc@gmail.com>
parents: 29829
diff changeset
796 self._chainbasecache.clear()
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
797 self._chunkcache = (0, b'')
27465
072a675c51f2 revlog: make clearcaches() more effective
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27449
diff changeset
798 self._pcache = {}
44501
87b327de772c nodemap: refresh the persistent data on nodemap creation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44491
diff changeset
799 self._nodemap_docket = None
43525
845e5b313783 revlog: move the nodemap into the index object (for pure)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43524
diff changeset
800 self.index.clearcaches()
44501
87b327de772c nodemap: refresh the persistent data on nodemap creation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44491
diff changeset
801 # The python code is the one responsible for validating the docket, we
87b327de772c nodemap: refresh the persistent data on nodemap creation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44491
diff changeset
802 # end up having to refresh it here.
87b327de772c nodemap: refresh the persistent data on nodemap creation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44491
diff changeset
803 use_nodemap = (
87b327de772c nodemap: refresh the persistent data on nodemap creation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44491
diff changeset
804 not self._inline
87b327de772c nodemap: refresh the persistent data on nodemap creation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44491
diff changeset
805 and self.nodemap_file is not None
87b327de772c nodemap: refresh the persistent data on nodemap creation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44491
diff changeset
806 and util.safehasattr(self.index, 'update_nodemap_data')
87b327de772c nodemap: refresh the persistent data on nodemap creation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44491
diff changeset
807 )
87b327de772c nodemap: refresh the persistent data on nodemap creation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44491
diff changeset
808 if use_nodemap:
87b327de772c nodemap: refresh the persistent data on nodemap creation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44491
diff changeset
809 nodemap_data = nodemaputil.persisted_data(self)
87b327de772c nodemap: refresh the persistent data on nodemap creation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44491
diff changeset
810 if nodemap_data is not None:
87b327de772c nodemap: refresh the persistent data on nodemap creation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44491
diff changeset
811 self._nodemap_docket = nodemap_data[0]
87b327de772c nodemap: refresh the persistent data on nodemap creation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44491
diff changeset
812 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
813
13259
3b616dfa4b17 revlog: do revlog node->rev mapping by scanning
Matt Mackall <mpm@selenic.com>
parents: 13258
diff changeset
814 def rev(self, node):
13275
68da048b4c88 revlog: incrementally build node cache with linear searches
Matt Mackall <mpm@selenic.com>
parents: 13268
diff changeset
815 try:
43553
2da51e292734 index: use `index.rev` in `revlog.rev`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43552
diff changeset
816 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
817 except TypeError:
4092d12ba18a repoview: fix 0L with pack/unpack for 2.4
Matt Mackall <mpm@selenic.com>
parents: 21752
diff changeset
818 raise
39773
2cd93a8d4bde revlog: drop RevlogError alias (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39769
diff changeset
819 except error.RevlogError:
43525
845e5b313783 revlog: move the nodemap into the index object (for pure)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43524
diff changeset
820 # parsers.c radix tree lookup failed
845e5b313783 revlog: move the nodemap into the index object (for pure)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43524
diff changeset
821 if node == wdirid or node in wdirfilenodeids:
845e5b313783 revlog: move the nodemap into the index object (for pure)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43524
diff changeset
822 raise error.WdirUnsupported
845e5b313783 revlog: move the nodemap into the index object (for pure)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43524
diff changeset
823 raise error.LookupError(node, self.indexfile, _(b'no node'))
13275
68da048b4c88 revlog: incrementally build node cache with linear searches
Matt Mackall <mpm@selenic.com>
parents: 13268
diff changeset
824
30287
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
825 # Accessors for index entries.
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
826
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
827 # 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
828 # are flags.
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
829 def start(self, rev):
5006
c2febf5420e9 revlog: minor chunk speed-up
Matt Mackall <mpm@selenic.com>
parents: 5005
diff changeset
830 return int(self.index[rev][0] >> 16)
30287
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
831
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
832 def flags(self, rev):
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
833 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
834
4980
fc44c8df9d99 revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents: 4979
diff changeset
835 def length(self, rev):
fc44c8df9d99 revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents: 4979
diff changeset
836 return self.index[rev][1]
30287
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
837
46709
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
838 def sidedata_length(self, rev):
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
839 if self.version & 0xFFFF != REVLOGV2:
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
840 return 0
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
841 return self.index[rev][9]
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
842
30287
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
843 def rawsize(self, rev):
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
844 """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
845 l = self.index[rev][2]
38177
7fa3408f83ef revlog: disallow setting uncompressed length to None
Yuya Nishihara <yuya@tcha.org>
parents: 38169
diff changeset
846 if l >= 0:
30287
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
847 return l
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
848
42768
5a8f2c8edff6 rawdata: update caller in revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42732
diff changeset
849 t = self.rawdata(rev)
30287
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
850 return len(t)
31856
0ab7f469d386 revlog: make "size" diverge from "rawsize"
Jun Wu <quark@fb.com>
parents: 31804
diff changeset
851
0ab7f469d386 revlog: make "size" diverge from "rawsize"
Jun Wu <quark@fb.com>
parents: 31804
diff changeset
852 def size(self, rev):
0ab7f469d386 revlog: make "size" diverge from "rawsize"
Jun Wu <quark@fb.com>
parents: 31804
diff changeset
853 """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
854 # 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
855 # 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
856 flags = self.flags(rev)
42730
92ac6b1697a7 flagutil: move REVIDX_KNOWN_FLAGS source of truth in flagutil (API)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42729
diff changeset
857 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
858 return self.rawsize(rev)
0ab7f469d386 revlog: make "size" diverge from "rawsize"
Jun Wu <quark@fb.com>
parents: 31804
diff changeset
859
0ab7f469d386 revlog: make "size" diverge from "rawsize"
Jun Wu <quark@fb.com>
parents: 31804
diff changeset
860 return len(self.revision(rev, raw=False))
30287
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
861
14252
19067884c5f5 revlog: calculate base revisions iteratively
Sune Foldager <cryo@cyanite.org>
parents: 14251
diff changeset
862 def chainbase(self, rev):
29830
92ac2baaea86 revlog: use an LRU cache for delta chain bases
Gregory Szorc <gregory.szorc@gmail.com>
parents: 29829
diff changeset
863 base = self._chainbasecache.get(rev)
92ac2baaea86 revlog: use an LRU cache for delta chain bases
Gregory Szorc <gregory.szorc@gmail.com>
parents: 29829
diff changeset
864 if base is not None:
92ac2baaea86 revlog: use an LRU cache for delta chain bases
Gregory Szorc <gregory.szorc@gmail.com>
parents: 29829
diff changeset
865 return base
92ac2baaea86 revlog: use an LRU cache for delta chain bases
Gregory Szorc <gregory.szorc@gmail.com>
parents: 29829
diff changeset
866
14252
19067884c5f5 revlog: calculate base revisions iteratively
Sune Foldager <cryo@cyanite.org>
parents: 14251
diff changeset
867 index = self.index
38169
fc72beec2a1a revlog: make chainbase cache its result for the correct revision
Paul Morelle <paul.morelle@octobus.net>
parents: 38168
diff changeset
868 iterrev = rev
fc72beec2a1a revlog: make chainbase cache its result for the correct revision
Paul Morelle <paul.morelle@octobus.net>
parents: 38168
diff changeset
869 base = index[iterrev][3]
fc72beec2a1a revlog: make chainbase cache its result for the correct revision
Paul Morelle <paul.morelle@octobus.net>
parents: 38168
diff changeset
870 while base != iterrev:
fc72beec2a1a revlog: make chainbase cache its result for the correct revision
Paul Morelle <paul.morelle@octobus.net>
parents: 38168
diff changeset
871 iterrev = base
fc72beec2a1a revlog: make chainbase cache its result for the correct revision
Paul Morelle <paul.morelle@octobus.net>
parents: 38168
diff changeset
872 base = index[iterrev][3]
29830
92ac2baaea86 revlog: use an LRU cache for delta chain bases
Gregory Szorc <gregory.szorc@gmail.com>
parents: 29829
diff changeset
873
92ac2baaea86 revlog: use an LRU cache for delta chain bases
Gregory Szorc <gregory.szorc@gmail.com>
parents: 29829
diff changeset
874 self._chainbasecache[rev] = base
14252
19067884c5f5 revlog: calculate base revisions iteratively
Sune Foldager <cryo@cyanite.org>
parents: 14251
diff changeset
875 return base
30287
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
876
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
877 def linkrev(self, rev):
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
878 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
879
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
880 def parentrevs(self, rev):
32403
a28c76e1cea9 revlog: raise WdirUnsupported when wdirrev is passed
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32393
diff changeset
881 try:
35521
a0fab647a8f1 revlog: don't use slicing to return parents
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35345
diff changeset
882 entry = self.index[rev]
32403
a28c76e1cea9 revlog: raise WdirUnsupported when wdirrev is passed
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32393
diff changeset
883 except IndexError:
a28c76e1cea9 revlog: raise WdirUnsupported when wdirrev is passed
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32393
diff changeset
884 if rev == wdirrev:
a28c76e1cea9 revlog: raise WdirUnsupported when wdirrev is passed
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32393
diff changeset
885 raise error.WdirUnsupported
a28c76e1cea9 revlog: raise WdirUnsupported when wdirrev is passed
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32393
diff changeset
886 raise
47504
411dc27fd9fd corruption: backout changeset 49fd21f32695 (issue6528)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46974
diff changeset
887
411dc27fd9fd corruption: backout changeset 49fd21f32695 (issue6528)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46974
diff changeset
888 return entry[5], entry[6]
35521
a0fab647a8f1 revlog: don't use slicing to return parents
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35345
diff changeset
889
40152
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each
Yuya Nishihara <yuya@tcha.org>
parents: 40056
diff changeset
890 # fast parentrevs(rev) where rev isn't filtered
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each
Yuya Nishihara <yuya@tcha.org>
parents: 40056
diff changeset
891 _uncheckedparentrevs = parentrevs
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each
Yuya Nishihara <yuya@tcha.org>
parents: 40056
diff changeset
892
30287
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
893 def node(self, rev):
32443
34e9b8b94f66 revlog: raise error.WdirUnsupported from revlog.node() if wdirrev is passed
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32403
diff changeset
894 try:
34e9b8b94f66 revlog: raise error.WdirUnsupported from revlog.node() if wdirrev is passed
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32403
diff changeset
895 return self.index[rev][7]
34e9b8b94f66 revlog: raise error.WdirUnsupported from revlog.node() if wdirrev is passed
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32403
diff changeset
896 except IndexError:
34e9b8b94f66 revlog: raise error.WdirUnsupported from revlog.node() if wdirrev is passed
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32403
diff changeset
897 if rev == wdirrev:
34e9b8b94f66 revlog: raise error.WdirUnsupported from revlog.node() if wdirrev is passed
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32403
diff changeset
898 raise error.WdirUnsupported
34e9b8b94f66 revlog: raise error.WdirUnsupported from revlog.node() if wdirrev is passed
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32403
diff changeset
899 raise
30287
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
900
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
901 # Derived from index values.
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
902
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
903 def end(self, rev):
46710
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46709
diff changeset
904 return self.start(rev) + self.length(rev)
30287
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
905
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
906 def parents(self, node):
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
907 i = self.index
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
908 d = i[self.rev(node)]
47504
411dc27fd9fd corruption: backout changeset 49fd21f32695 (issue6528)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 46974
diff changeset
909 return i[d[5]][7], i[d[6]][7] # map revisions to nodes inline
30287
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
910
23254
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d
Mateusz Kwapich <mitrandir@fb.com>
parents: 22934
diff changeset
911 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
912 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
913
23286
40e0067899d4 revlog: compute length of compressed deltas along with chain length
Siddharth Agarwal <sid0@fb.com>
parents: 23285
diff changeset
914 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
915 chaininfocache = self._chaininfocache
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452)
Siddharth Agarwal <sid0@fb.com>
parents: 23288
diff changeset
916 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
917 return chaininfocache[rev]
23254
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d
Mateusz Kwapich <mitrandir@fb.com>
parents: 22934
diff changeset
918 index = self.index
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d
Mateusz Kwapich <mitrandir@fb.com>
parents: 22934
diff changeset
919 generaldelta = self._generaldelta
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d
Mateusz Kwapich <mitrandir@fb.com>
parents: 22934
diff changeset
920 iterrev = rev
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d
Mateusz Kwapich <mitrandir@fb.com>
parents: 22934
diff changeset
921 e = index[iterrev]
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d
Mateusz Kwapich <mitrandir@fb.com>
parents: 22934
diff changeset
922 clen = 0
23286
40e0067899d4 revlog: compute length of compressed deltas along with chain length
Siddharth Agarwal <sid0@fb.com>
parents: 23285
diff changeset
923 compresseddeltalen = 0
23254
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d
Mateusz Kwapich <mitrandir@fb.com>
parents: 22934
diff changeset
924 while iterrev != e[3]:
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d
Mateusz Kwapich <mitrandir@fb.com>
parents: 22934
diff changeset
925 clen += 1
23286
40e0067899d4 revlog: compute length of compressed deltas along with chain length
Siddharth Agarwal <sid0@fb.com>
parents: 23285
diff changeset
926 compresseddeltalen += e[1]
23254
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d
Mateusz Kwapich <mitrandir@fb.com>
parents: 22934
diff changeset
927 if generaldelta:
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d
Mateusz Kwapich <mitrandir@fb.com>
parents: 22934
diff changeset
928 iterrev = e[3]
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d
Mateusz Kwapich <mitrandir@fb.com>
parents: 22934
diff changeset
929 else:
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d
Mateusz Kwapich <mitrandir@fb.com>
parents: 22934
diff changeset
930 iterrev -= 1
23306
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452)
Siddharth Agarwal <sid0@fb.com>
parents: 23288
diff changeset
931 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
932 t = chaininfocache[iterrev]
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452)
Siddharth Agarwal <sid0@fb.com>
parents: 23288
diff changeset
933 clen += t[0]
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452)
Siddharth Agarwal <sid0@fb.com>
parents: 23288
diff changeset
934 compresseddeltalen += t[1]
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452)
Siddharth Agarwal <sid0@fb.com>
parents: 23288
diff changeset
935 break
23254
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d
Mateusz Kwapich <mitrandir@fb.com>
parents: 22934
diff changeset
936 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
937 else:
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452)
Siddharth Agarwal <sid0@fb.com>
parents: 23288
diff changeset
938 # 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
939 # 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
940 compresseddeltalen += e[1]
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452)
Siddharth Agarwal <sid0@fb.com>
parents: 23288
diff changeset
941 r = (clen, compresseddeltalen)
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452)
Siddharth Agarwal <sid0@fb.com>
parents: 23288
diff changeset
942 chaininfocache[rev] = r
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452)
Siddharth Agarwal <sid0@fb.com>
parents: 23288
diff changeset
943 return r
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452)
Siddharth Agarwal <sid0@fb.com>
parents: 23288
diff changeset
944
27468
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
945 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
946 """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
947
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
948 ``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
949 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
950
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
951 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
952 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
953 ``stoprev`` was hit.
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
954 """
33171
6d678ab1b10d revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32969
diff changeset
955 # Try C implementation.
6d678ab1b10d revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32969
diff changeset
956 try:
6d678ab1b10d revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32969
diff changeset
957 return self.index.deltachain(rev, stoprev, self._generaldelta)
6d678ab1b10d revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32969
diff changeset
958 except AttributeError:
6d678ab1b10d revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32969
diff changeset
959 pass
6d678ab1b10d revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32969
diff changeset
960
27468
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
961 chain = []
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
962
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
963 # 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
964 index = self.index
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
965 generaldelta = self._generaldelta
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
966
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
967 iterrev = rev
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
968 e = index[iterrev]
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
969 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
970 chain.append(iterrev)
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
971 if generaldelta:
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
972 iterrev = e[3]
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
973 else:
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
974 iterrev -= 1
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
975 e = index[iterrev]
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
976
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
977 if iterrev == stoprev:
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
978 stopped = True
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
979 else:
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
980 chain.append(iterrev)
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
981 stopped = False
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
982
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
983 chain.reverse()
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
984 return chain, stopped
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
985
18081
f88c60e740a1 revlog.ancestors: add support for including revs
Siddharth Agarwal <sid0@fb.com>
parents: 17975
diff changeset
986 def ancestors(self, revs, stoprev=0, inclusive=False):
40738
8947f49daaa8 revlog: update the docstring of `ancestors` to match reality
Boris Feld <boris.feld@octobus.net>
parents: 40627
diff changeset
987 """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
988 Does not generate revs lower than stoprev.
10047
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
989
18090
9abc55ef85b5 revlog: move ancestor generation out to a new class
Siddharth Agarwal <sid0@fb.com>
parents: 18083
diff changeset
990 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
991
40152
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each
Yuya Nishihara <yuya@tcha.org>
parents: 40056
diff changeset
992 # first, make sure start revisions aren't filtered
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each
Yuya Nishihara <yuya@tcha.org>
parents: 40056
diff changeset
993 revs = list(revs)
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each
Yuya Nishihara <yuya@tcha.org>
parents: 40056
diff changeset
994 checkrev = self.node
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each
Yuya Nishihara <yuya@tcha.org>
parents: 40056
diff changeset
995 for r in revs:
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each
Yuya Nishihara <yuya@tcha.org>
parents: 40056
diff changeset
996 checkrev(r)
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each
Yuya Nishihara <yuya@tcha.org>
parents: 40056
diff changeset
997 # and we're sure ancestors aren't filtered as well
41115
536c83535cbd rust-cpython: using the new bindings from Python
Georges Racinet <gracinet@anybox.fr>
parents: 41086
diff changeset
998
42452
a3a8887e4426 rust: using policy.importrust from Python callers
Georges Racinet <georges.racinet@octobus.net>
parents: 42446
diff changeset
999 if rustancestor is not None:
a3a8887e4426 rust: using policy.importrust from Python callers
Georges Racinet <georges.racinet@octobus.net>
parents: 42446
diff changeset
1000 lazyancestors = rustancestor.LazyAncestors
41115
536c83535cbd rust-cpython: using the new bindings from Python
Georges Racinet <gracinet@anybox.fr>
parents: 41086
diff changeset
1001 arg = self.index
536c83535cbd rust-cpython: using the new bindings from Python
Georges Racinet <gracinet@anybox.fr>
parents: 41086
diff changeset
1002 else:
536c83535cbd rust-cpython: using the new bindings from Python
Georges Racinet <gracinet@anybox.fr>
parents: 41086
diff changeset
1003 lazyancestors = ancestor.lazyancestors
536c83535cbd rust-cpython: using the new bindings from Python
Georges Racinet <gracinet@anybox.fr>
parents: 41086
diff changeset
1004 arg = self._uncheckedparentrevs
536c83535cbd rust-cpython: using the new bindings from Python
Georges Racinet <gracinet@anybox.fr>
parents: 41086
diff changeset
1005 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
1006
16867
1093ad1e8903 revlog: descendants(*revs) becomes descendants(revs) (API)
Bryan O'Sullivan <bryano@fb.com>
parents: 16866
diff changeset
1007 def descendants(self, revs):
39999
0b24fcd88066 dagop: extract descendants() from revlog module
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39908
diff changeset
1008 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
1009
13741
b51bf961b3cb wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13400
diff changeset
1010 def findcommonmissing(self, common=None, heads=None):
b51bf961b3cb wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13400
diff changeset
1011 """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
1012 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
1013 tuple:
10047
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
1014
15835
fa15869bf95c revlog: improve docstring for findcommonmissing
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 15827
diff changeset
1015 ::common, (::heads) - (::common)
7233
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
1016
10047
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
1017 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
1018 topologically sorted.
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
1019
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
1020 '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
1021 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
1022 supplied, uses nullid."""
7233
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
1023 if common is None:
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
1024 common = [nullid]
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
1025 if heads is None:
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
1026 heads = self.heads()
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
1027
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
1028 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
1029 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
1030
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
1031 # we want the ancestors, but inclusive
20073
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
1032 class lazyset(object):
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
1033 def __init__(self, lazyvalues):
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
1034 self.addedvalues = set()
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
1035 self.lazyvalues = lazyvalues
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
1036
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
1037 def __contains__(self, value):
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
1038 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
1039
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
1040 def __iter__(self):
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
1041 added = self.addedvalues
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
1042 for r in added:
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
1043 yield r
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
1044 for r in self.lazyvalues:
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
1045 if not r in added:
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
1046 yield r
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
1047
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
1048 def add(self, value):
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
1049 self.addedvalues.add(value)
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
1050
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
1051 def update(self, values):
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
1052 self.addedvalues.update(values)
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
1053
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
1054 has = lazyset(self.ancestors(common))
8152
08e1baf924ca replace set-like dictionaries with real sets
Martin Geisler <mg@lazybytes.net>
parents: 8150
diff changeset
1055 has.add(nullrev)
08e1baf924ca replace set-like dictionaries with real sets
Martin Geisler <mg@lazybytes.net>
parents: 8150
diff changeset
1056 has.update(common)
7233
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
1057
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
1058 # 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
1059 missing = set()
25113
0ca8410ea345 util: drop alias for collections.deque
Martin von Zweigbergk <martinvonz@google.com>
parents: 24454
diff changeset
1060 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
1061 while visit:
16803
107a3270a24a cleanup: use the deque type where appropriate
Bryan O'Sullivan <bryano@fb.com>
parents: 16786
diff changeset
1062 r = visit.popleft()
7233
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
1063 if r in missing:
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
1064 continue
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
1065 else:
8453
d1ca637b0773 revlog.missing(): use sets instead of a dict
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 8391
diff changeset
1066 missing.add(r)
7233
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
1067 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
1068 if p not in has:
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
1069 visit.append(p)
8453
d1ca637b0773 revlog.missing(): use sets instead of a dict
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 8391
diff changeset
1070 missing = list(missing)
7233
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
1071 missing.sort()
30391
2ded17b64f09 revlog: avoid shadowing several variables using list comprehensions
Augie Fackler <augie@google.com>
parents: 30289
diff changeset
1072 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
1073
23337
3a8a763f4197 revlog: add a method to get missing revs incrementally
Siddharth Agarwal <sid0@fb.com>
parents: 23328
diff changeset
1074 def incrementalmissingrevs(self, common=None):
3a8a763f4197 revlog: add a method to get missing revs incrementally
Siddharth Agarwal <sid0@fb.com>
parents: 23328
diff changeset
1075 """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
1076 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
1077 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
1078 object.
3a8a763f4197 revlog: add a method to get missing revs incrementally
Siddharth Agarwal <sid0@fb.com>
parents: 23328
diff changeset
1079
3a8a763f4197 revlog: add a method to get missing revs incrementally
Siddharth Agarwal <sid0@fb.com>
parents: 23328
diff changeset
1080 '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
1081 nullrev.
3a8a763f4197 revlog: add a method to get missing revs incrementally
Siddharth Agarwal <sid0@fb.com>
parents: 23328
diff changeset
1082 """
3a8a763f4197 revlog: add a method to get missing revs incrementally
Siddharth Agarwal <sid0@fb.com>
parents: 23328
diff changeset
1083 if common is None:
3a8a763f4197 revlog: add a method to get missing revs incrementally
Siddharth Agarwal <sid0@fb.com>
parents: 23328
diff changeset
1084 common = [nullrev]
3a8a763f4197 revlog: add a method to get missing revs incrementally
Siddharth Agarwal <sid0@fb.com>
parents: 23328
diff changeset
1085
42452
a3a8887e4426 rust: using policy.importrust from Python callers
Georges Racinet <georges.racinet@octobus.net>
parents: 42446
diff changeset
1086 if rustancestor is not None:
a3a8887e4426 rust: using policy.importrust from Python callers
Georges Racinet <georges.racinet@octobus.net>
parents: 42446
diff changeset
1087 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
1088 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
1089
17972
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
1090 def findmissingrevs(self, common=None, heads=None):
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
1091 """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
1092 are not ancestors of common.
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
1093
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
1094 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
1095 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
1096
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
1097 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
1098 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
1099
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
1100 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
1101 topologically sorted.
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
1102
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
1103 '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
1104 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
1105 supplied, uses nullid."""
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
1106 if common is None:
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
1107 common = [nullrev]
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
1108 if heads is None:
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
1109 heads = self.headrevs()
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
1110
23338
d8f5b2f50f41 revlog: switch findmissing* methods to incrementalmissingrevs
Siddharth Agarwal <sid0@fb.com>
parents: 23337
diff changeset
1111 inc = self.incrementalmissingrevs(common=common)
d8f5b2f50f41 revlog: switch findmissing* methods to incrementalmissingrevs
Siddharth Agarwal <sid0@fb.com>
parents: 23337
diff changeset
1112 return inc.missingancestors(heads)
17972
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
1113
13741
b51bf961b3cb wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13400
diff changeset
1114 def findmissing(self, common=None, heads=None):
b51bf961b3cb wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13400
diff changeset
1115 """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
1116
b51bf961b3cb wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13400
diff changeset
1117 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
1118 satisfies the following constraints:
b51bf961b3cb wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13400
diff changeset
1119
b51bf961b3cb wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13400
diff changeset
1120 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
1121 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
1122
b51bf961b3cb wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13400
diff changeset
1123 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
1124 topologically sorted.
b51bf961b3cb wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13400
diff changeset
1125
b51bf961b3cb wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13400
diff changeset
1126 '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
1127 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
1128 supplied, uses nullid."""
17971
e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors
Siddharth Agarwal <sid0@fb.com>
parents: 17951
diff changeset
1129 if common is None:
e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors
Siddharth Agarwal <sid0@fb.com>
parents: 17951
diff changeset
1130 common = [nullid]
e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors
Siddharth Agarwal <sid0@fb.com>
parents: 17951
diff changeset
1131 if heads is None:
e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors
Siddharth Agarwal <sid0@fb.com>
parents: 17951
diff changeset
1132 heads = self.heads()
e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors
Siddharth Agarwal <sid0@fb.com>
parents: 17951
diff changeset
1133
e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors
Siddharth Agarwal <sid0@fb.com>
parents: 17951
diff changeset
1134 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
1135 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
1136
23338
d8f5b2f50f41 revlog: switch findmissing* methods to incrementalmissingrevs
Siddharth Agarwal <sid0@fb.com>
parents: 23337
diff changeset
1137 inc = self.incrementalmissingrevs(common=common)
d8f5b2f50f41 revlog: switch findmissing* methods to incrementalmissingrevs
Siddharth Agarwal <sid0@fb.com>
parents: 23337
diff changeset
1138 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
1139
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1140 def nodesbetween(self, roots=None, heads=None):
10047
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
1141 """Return a topological path from 'roots' to 'heads'.
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
1142
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
1143 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
1144 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
1145 these constraints:
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
1146
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
1147 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
1148 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
1149
10047
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
1150 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
1151 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
1152 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
1153
10047
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
1154 '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
1155 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
1156 '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
1157
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
1158 '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
1159 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
1160 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
1161 nonodes = ([], [], [])
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1162 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
1163 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
1164 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
1165 return nonodes
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1166 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
1167 else:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1168 roots = [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
1169 lowestrev = nullrev
3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3508
diff changeset
1170 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
1171 # We want _all_ the nodes!
6750
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog
Matt Mackall <mpm@selenic.com>
parents: 6703
diff changeset
1172 return ([self.node(r) for r in self], [nullid], list(self.heads()))
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1173 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
1174 # 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
1175 # node.
6750
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog
Matt Mackall <mpm@selenic.com>
parents: 6703
diff changeset
1176 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
1177 # 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
1178 ancestors = None
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1179 # 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
1180 heads = {}
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1181 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
1182 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
1183 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
1184 return nonodes
8464
7af92e70bb25 revlog: use set instead of dict
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 8453
diff changeset
1185 ancestors = set()
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1186 # 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
1187 # 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
1188 # find from roots.
14219
c33427080671 revlog: use real Booleans instead of 0/1 in nodesbetween
Martin Geisler <mg@aragost.com>
parents: 14208
diff changeset
1189 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
1190 # 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
1191 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
1192 # 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
1193 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
1194 while nodestotag:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1195 # 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
1196 n = nodestotag.pop()
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1197 # Never tag nullid
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1198 if n == nullid:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1199 continue
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1200 # 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
1201 # 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
1202 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
1203 if r >= lowestrev:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1204 if n not in ancestors:
14549
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
1205 # 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
1206 # 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
1207 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
1208 # 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
1209 nodestotag.update(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1210 [p for p in self.parents(n) if p != nullid]
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1211 )
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1212 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
1213 # 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
1214 # any other heads.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1215 heads.pop(n)
1459
106fdec8e1fb Fix small bug in nodesbetween if heads is [nullid].
Eric Hopper <hopper@omnifarious.org>
parents: 1458
diff changeset
1216 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
1217 return nonodes
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1218 # 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
1219 # 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
1220
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1221 # 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
1222 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
1223 # 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
1224 # 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
1225
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1226 # Filter out roots that aren't ancestors of heads
30391
2ded17b64f09 revlog: avoid shadowing several variables using list comprehensions
Augie Fackler <augie@google.com>
parents: 30289
diff changeset
1227 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
1228 # 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
1229 if roots:
30391
2ded17b64f09 revlog: avoid shadowing several variables using list comprehensions
Augie Fackler <augie@google.com>
parents: 30289
diff changeset
1230 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
1231 else:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1232 # 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
1233 return nonodes
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1234 else:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1235 # 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
1236 # 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
1237 lowestrev = nullrev
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1238 roots = [nullid]
8152
08e1baf924ca replace set-like dictionaries with real sets
Martin Geisler <mg@lazybytes.net>
parents: 8150
diff changeset
1239 # Transform our roots list into a set.
14549
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
1240 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
1241 # 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
1242 # '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
1243 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
1244 # 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
1245 orderedout = []
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1246 # 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
1247 # 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
1248 # 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
1249 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
1250 n = self.node(r)
14549
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
1251 isdescendant = False
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
1252 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
1253 isdescendant = True
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
1254 elif n in descendants:
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
1255 # n is already a descendant
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
1256 isdescendant = True
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1257 # 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
1258 # 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
1259 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
1260 # 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
1261 p = tuple(self.parents(n))
14549
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
1262 # 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
1263 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
1264 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
1265 else:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1266 p = tuple(self.parents(n))
14549
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
1267 # 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
1268 # 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
1269 # up there, remember?)
14549
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
1270 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
1271 descendants.add(n)
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
1272 isdescendant = True
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
1273 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
1274 # 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
1275 orderedout.append(n)
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1276 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
1277 # 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
1278 # from roots.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1279 # 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
1280 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
1281 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
1282 # 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
1283 # 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
1284 # 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
1285 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
1286 # 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
1287 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
1288 heads.pop(p, None)
43106
d783f945a701 py3: finish porting iteritems() to pycompat and remove source transformer
Gregory Szorc <gregory.szorc@gmail.com>
parents: 43089
diff changeset
1289 heads = [head for head, flag in pycompat.iteritems(heads) if flag]
8152
08e1baf924ca replace set-like dictionaries with real sets
Martin Geisler <mg@lazybytes.net>
parents: 8150
diff changeset
1290 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
1291 assert orderedout
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1292 assert roots
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1293 assert heads
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1294 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
1295
41275
1421d0487a61 revlog: accept a revs argument in `headrevs`
Boris Feld <boris.feld@octobus.net>
parents: 41247
diff changeset
1296 def headrevs(self, revs=None):
1421d0487a61 revlog: accept a revs argument in `headrevs`
Boris Feld <boris.feld@octobus.net>
parents: 41247
diff changeset
1297 if revs is None:
1421d0487a61 revlog: accept a revs argument in `headrevs`
Boris Feld <boris.feld@octobus.net>
parents: 41247
diff changeset
1298 try:
1421d0487a61 revlog: accept a revs argument in `headrevs`
Boris Feld <boris.feld@octobus.net>
parents: 41247
diff changeset
1299 return self.index.headrevs()
1421d0487a61 revlog: accept a revs argument in `headrevs`
Boris Feld <boris.feld@octobus.net>
parents: 41247
diff changeset
1300 except AttributeError:
1421d0487a61 revlog: accept a revs argument in `headrevs`
Boris Feld <boris.feld@octobus.net>
parents: 41247
diff changeset
1301 return self._headrevs()
42452
a3a8887e4426 rust: using policy.importrust from Python callers
Georges Racinet <georges.racinet@octobus.net>
parents: 42446
diff changeset
1302 if rustdagop is not None:
a3a8887e4426 rust: using policy.importrust from Python callers
Georges Racinet <georges.racinet@octobus.net>
parents: 42446
diff changeset
1303 return rustdagop.headrevs(self.index, revs)
41763
6843379bf99e changelog: prefilter in headrevs()
Georges Racinet <georges.racinet@octobus.net>
parents: 41689
diff changeset
1304 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
1305
24444
27e3ba73fbb1 phase: default to C implementation for phase computation
Laurent Charignon <lcharignon@fb.com>
parents: 24255
diff changeset
1306 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
1307 return self.index.computephasesmapsets(roots)
24444
27e3ba73fbb1 phase: default to C implementation for phase computation
Laurent Charignon <lcharignon@fb.com>
parents: 24255
diff changeset
1308
17674
e69274f8d444 clfilter: split `revlog.headrevs` C call from python code
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17673
diff changeset
1309 def _headrevs(self):
14164
cb98fed52495 discovery: add new set-based discovery
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 14144
diff changeset
1310 count = len(self)
cb98fed52495 discovery: add new set-based discovery
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 14144
diff changeset
1311 if not count:
cb98fed52495 discovery: add new set-based discovery
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 14144
diff changeset
1312 return [nullrev]
17673
d686c6876ef6 clfilter: handle non contiguous iteration in `revlov.headrevs`
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17672
diff changeset
1313 # 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
1314 ishead = [0] * (count + 1)
14164
cb98fed52495 discovery: add new set-based discovery
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 14144
diff changeset
1315 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
1316 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
1317 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
1318 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
1319 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
1320 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
1321
3923
27230c29bfec fix calculation of new heads added during push with -r
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3755
diff changeset
1322 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
1323 """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
1324
e793cbc8be00 Fixes to "hg heads -r FOO":
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1550
diff changeset
1325 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
1326 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
1327 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
1328 as if they had no children
1551
e793cbc8be00 Fixes to "hg heads -r FOO":
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1550
diff changeset
1329 """
4991
9c8c42bcf17a revlog: implement a fast path for heads
Matt Mackall <mpm@selenic.com>
parents: 4990
diff changeset
1330 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
1331 if not len(self):
4991
9c8c42bcf17a revlog: implement a fast path for heads
Matt Mackall <mpm@selenic.com>
parents: 4990
diff changeset
1332 return [nullid]
14164
cb98fed52495 discovery: add new set-based discovery
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 14144
diff changeset
1333 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
1334
1551
e793cbc8be00 Fixes to "hg heads -r FOO":
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1550
diff changeset
1335 if start is None:
40000
8af835af0a85 dagop: extract DAG local heads functionality from revlog
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39999
diff changeset
1336 start = nullrev
8af835af0a85 dagop: extract DAG local heads functionality from revlog
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39999
diff changeset
1337 else:
8af835af0a85 dagop: extract DAG local heads functionality from revlog
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39999
diff changeset
1338 start = self.rev(start)
8af835af0a85 dagop: extract DAG local heads functionality from revlog
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39999
diff changeset
1339
44452
9d2b2df2c2ba cleanup: run pyupgrade on our source tree to clean up varying things
Augie Fackler <augie@google.com>
parents: 44445
diff changeset
1340 stoprevs = {self.rev(n) for n in stop or []}
40000
8af835af0a85 dagop: extract DAG local heads functionality from revlog
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39999
diff changeset
1341
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1342 revs = dagop.headrevssubset(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1343 self.revs, self.parentrevs, startrev=start, stoprevs=stoprevs
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1344 )
40000
8af835af0a85 dagop: extract DAG local heads functionality from revlog
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39999
diff changeset
1345
8af835af0a85 dagop: extract DAG local heads functionality from revlog
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39999
diff changeset
1346 return [self.node(rev) for rev in revs]
370
c90385d82aec revlog: add a children function
mpm@selenic.com
parents: 330
diff changeset
1347
c90385d82aec revlog: add a children function
mpm@selenic.com
parents: 330
diff changeset
1348 def children(self, node):
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1349 """find the children of a given node"""
370
c90385d82aec revlog: add a children function
mpm@selenic.com
parents: 330
diff changeset
1350 c = []
c90385d82aec revlog: add a children function
mpm@selenic.com
parents: 330
diff changeset
1351 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
1352 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
1353 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
1354 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
1355 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
1356 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
1357 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
1358 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
1359 c.append(self.node(r))
370
c90385d82aec revlog: add a children function
mpm@selenic.com
parents: 330
diff changeset
1360 return c
515
03f27b1381f9 Whitespace cleanups
mpm@selenic.com
parents: 484
diff changeset
1361
21104
40ace21cb3a1 revlog: introduce commonancestorsheads method
Mads Kiilerich <madski@unity3d.com>
parents: 20965
diff changeset
1362 def commonancestorsheads(self, a, b):
40ace21cb3a1 revlog: introduce commonancestorsheads method
Mads Kiilerich <madski@unity3d.com>
parents: 20965
diff changeset
1363 """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
1364 a, b = self.rev(a), self.rev(b)
38512
99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads
Boris Feld <boris.feld@octobus.net>
parents: 38511
diff changeset
1365 ancs = self._commonancestorsheads(a, b)
99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads
Boris Feld <boris.feld@octobus.net>
parents: 38511
diff changeset
1366 return pycompat.maplist(self.node, ancs)
99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads
Boris Feld <boris.feld@octobus.net>
parents: 38511
diff changeset
1367
99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads
Boris Feld <boris.feld@octobus.net>
parents: 38511
diff changeset
1368 def _commonancestorsheads(self, *revs):
99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads
Boris Feld <boris.feld@octobus.net>
parents: 38511
diff changeset
1369 """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
1370 try:
38512
99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads
Boris Feld <boris.feld@octobus.net>
parents: 38511
diff changeset
1371 ancs = self.index.commonancestorsheads(*revs)
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1372 except (AttributeError, OverflowError): # C implementation failed
38512
99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads
Boris Feld <boris.feld@octobus.net>
parents: 38511
diff changeset
1373 ancs = ancestor.commonancestorsheads(self.parentrevs, *revs)
99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads
Boris Feld <boris.feld@octobus.net>
parents: 38511
diff changeset
1374 return ancs
21104
40ace21cb3a1 revlog: introduce commonancestorsheads method
Mads Kiilerich <madski@unity3d.com>
parents: 20965
diff changeset
1375
22381
392ae5cb8d62 revlog: introduce isancestor method for efficiently determining node lineage
Mads Kiilerich <madski@unity3d.com>
parents: 22282
diff changeset
1376 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
1377 """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
1378
160da69ba1bf revlog: replace descendant(b, a) by isdescendantrev(a, b) (API)
Martin von Zweigbergk <martinvonz@google.com>
parents: 38663
diff changeset
1379 A revision is considered an ancestor of itself."""
38514
cc3543c87de5 revlog: reuse 'descendant' implemention in 'isancestor'
Boris Feld <boris.feld@octobus.net>
parents: 38513
diff changeset
1380 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
1381 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
1382
a06b2b032557 revlog: introduce a isancestorrev() and use it in rebase
Martin von Zweigbergk <martinvonz@google.com>
parents: 38665
diff changeset
1383 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
1384 """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
1385
38668
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev()
Martin von Zweigbergk <martinvonz@google.com>
parents: 38666
diff changeset
1386 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
1387
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev()
Martin von Zweigbergk <martinvonz@google.com>
parents: 38666
diff changeset
1388 The implementation of this is trivial but the use of
42446
055c3e2c44f0 revlog: speed up isancestor
Valentin Gatien-Baron <vgatien-baron@janestreet.com>
parents: 42044
diff changeset
1389 reachableroots is not."""
38668
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev()
Martin von Zweigbergk <martinvonz@google.com>
parents: 38666
diff changeset
1390 if a == nullrev:
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev()
Martin von Zweigbergk <martinvonz@google.com>
parents: 38666
diff changeset
1391 return True
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev()
Martin von Zweigbergk <martinvonz@google.com>
parents: 38666
diff changeset
1392 elif a == b:
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev()
Martin von Zweigbergk <martinvonz@google.com>
parents: 38666
diff changeset
1393 return True
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev()
Martin von Zweigbergk <martinvonz@google.com>
parents: 38666
diff changeset
1394 elif a > b:
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev()
Martin von Zweigbergk <martinvonz@google.com>
parents: 38666
diff changeset
1395 return False
42446
055c3e2c44f0 revlog: speed up isancestor
Valentin Gatien-Baron <vgatien-baron@janestreet.com>
parents: 42044
diff changeset
1396 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
1397
055c3e2c44f0 revlog: speed up isancestor
Valentin Gatien-Baron <vgatien-baron@janestreet.com>
parents: 42044
diff changeset
1398 def reachableroots(self, minroot, heads, roots, includepath=False):
43779
2e30d7df4809 revlog: fix revset in reachableroots docstring
Jun Wu <quark@fb.com>
parents: 43619
diff changeset
1399 """return (heads(::(<roots> and <roots>::<heads>)))
42446
055c3e2c44f0 revlog: speed up isancestor
Valentin Gatien-Baron <vgatien-baron@janestreet.com>
parents: 42044
diff changeset
1400
055c3e2c44f0 revlog: speed up isancestor
Valentin Gatien-Baron <vgatien-baron@janestreet.com>
parents: 42044
diff changeset
1401 If includepath is True, return (<roots>::<heads>)."""
055c3e2c44f0 revlog: speed up isancestor
Valentin Gatien-Baron <vgatien-baron@janestreet.com>
parents: 42044
diff changeset
1402 try:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1403 return self.index.reachableroots2(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1404 minroot, heads, roots, includepath
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1405 )
42446
055c3e2c44f0 revlog: speed up isancestor
Valentin Gatien-Baron <vgatien-baron@janestreet.com>
parents: 42044
diff changeset
1406 except AttributeError:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1407 return dagop._reachablerootspure(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1408 self.parentrevs, minroot, roots, heads, includepath
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1409 )
22381
392ae5cb8d62 revlog: introduce isancestor method for efficiently determining node lineage
Mads Kiilerich <madski@unity3d.com>
parents: 22282
diff changeset
1410
21107
4a6c8b6b10d3 revlog: backout 514d32de6646 - commonancestors
Mads Kiilerich <madski@unity3d.com>
parents: 21104
diff changeset
1411 def ancestor(self, a, b):
22389
94f77624dbb5 comments: describe ancestor consistently - avoid 'least common ancestor'
Mads Kiilerich <madski@unity3d.com>
parents: 22381
diff changeset
1412 """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
1413
10897
adb6a291bbdb revlog: put graph related functions together
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 10404
diff changeset
1414 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
1415 try:
5bae936764bb parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents: 18987
diff changeset
1416 ancs = self.index.ancestors(a, b)
21107
4a6c8b6b10d3 revlog: backout 514d32de6646 - commonancestors
Mads Kiilerich <madski@unity3d.com>
parents: 21104
diff changeset
1417 except (AttributeError, OverflowError):
18988
5bae936764bb parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents: 18987
diff changeset
1418 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
1419 if ancs:
3605d4e7e618 revlog: choose a consistent ancestor when there's a tie
Bryan O'Sullivan <bryano@fb.com>
parents: 18986
diff changeset
1420 # choose a consistent winner when there's a tie
21107
4a6c8b6b10d3 revlog: backout 514d32de6646 - commonancestors
Mads Kiilerich <madski@unity3d.com>
parents: 21104
diff changeset
1421 return min(map(self.node, ancs))
18987
3605d4e7e618 revlog: choose a consistent ancestor when there's a tie
Bryan O'Sullivan <bryano@fb.com>
parents: 18986
diff changeset
1422 return nullid
10897
adb6a291bbdb revlog: put graph related functions together
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 10404
diff changeset
1423
3453
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
1424 def _match(self, id):
16762
93f8b9565257 revlog: don't handle long for revision matching
Matt Mackall <mpm@selenic.com>
parents: 16686
diff changeset
1425 if isinstance(id, int):
3156
d01e4cb2f5f2 cleanups in revlog.lookup
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3139
diff changeset
1426 # 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
1427 return self.node(id)
3438
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
1428 if len(id) == 20:
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
1429 # possibly a binary node
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
1430 # 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
1431 try:
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
1432 node = id
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1433 self.rev(node) # quick search the index
3438
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
1434 return node
39775
974592474dee revlog: drop LookupError alias (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39774
diff changeset
1435 except error.LookupError:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1436 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
1437 try:
3156
d01e4cb2f5f2 cleanups in revlog.lookup
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3139
diff changeset
1438 # str(rev)
36
da28286bf6b7 Add smart node lookup by substring or by rev number
mpm@selenic.com
parents: 26
diff changeset
1439 rev = int(id)
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
1440 if b"%d" % rev != id:
4980
fc44c8df9d99 revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents: 4979
diff changeset
1441 raise ValueError
fc44c8df9d99 revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents: 4979
diff changeset
1442 if rev < 0:
6750
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog
Matt Mackall <mpm@selenic.com>
parents: 6703
diff changeset
1443 rev = len(self) + rev
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog
Matt Mackall <mpm@selenic.com>
parents: 6703
diff changeset
1444 if rev < 0 or rev >= len(self):
4980
fc44c8df9d99 revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents: 4979
diff changeset
1445 raise ValueError
36
da28286bf6b7 Add smart node lookup by substring or by rev number
mpm@selenic.com
parents: 26
diff changeset
1446 return self.node(rev)
469
e205194ca7ef Various node id lookup tweaks
mpm@selenic.com
parents: 451
diff changeset
1447 except (ValueError, OverflowError):
3156
d01e4cb2f5f2 cleanups in revlog.lookup
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3139
diff changeset
1448 pass
3453
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
1449 if len(id) == 40:
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
1450 try:
3438
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
1451 # a full hex nodeid?
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
1452 node = bin(id)
7874
d812029cda85 cleanup: drop variables for unused return values
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 7873
diff changeset
1453 self.rev(node)
3157
4fe41a9e4591 optimize revlog.lookup when passed hex(node)[:...]
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3156
diff changeset
1454 return node
39775
974592474dee revlog: drop LookupError alias (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39774
diff changeset
1455 except (TypeError, error.LookupError):
3453
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
1456 pass
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
1457
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
1458 def _partialmatch(self, id):
37449
a0d71618074f revlog: detect pseudo file nodeids to raise WdirUnsupported exception
Yuya Nishihara <yuya@tcha.org>
parents: 37443
diff changeset
1459 # we don't care wdirfilenodeids as they should be always full hash
32684
af854b1b36f8 revlog: add support for partial matching of wdir node id
Yuya Nishihara <yuya@tcha.org>
parents: 32659
diff changeset
1460 maybewdir = wdirhex.startswith(id)
16665
e410be860393 revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents: 16533
diff changeset
1461 try:
30391
2ded17b64f09 revlog: avoid shadowing several variables using list comprehensions
Augie Fackler <augie@google.com>
parents: 30289
diff changeset
1462 partial = self.index.partialmatch(id)
2ded17b64f09 revlog: avoid shadowing several variables using list comprehensions
Augie Fackler <augie@google.com>
parents: 30289
diff changeset
1463 if partial and self.hasnode(partial):
32684
af854b1b36f8 revlog: add support for partial matching of wdir node id
Yuya Nishihara <yuya@tcha.org>
parents: 32659
diff changeset
1464 if maybewdir:
af854b1b36f8 revlog: add support for partial matching of wdir node id
Yuya Nishihara <yuya@tcha.org>
parents: 32659
diff changeset
1465 # single 'ff...' match in radix tree, ambiguous with wdir
39773
2cd93a8d4bde revlog: drop RevlogError alias (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39769
diff changeset
1466 raise error.RevlogError
30391
2ded17b64f09 revlog: avoid shadowing several variables using list comprehensions
Augie Fackler <augie@google.com>
parents: 30289
diff changeset
1467 return partial
32684
af854b1b36f8 revlog: add support for partial matching of wdir node id
Yuya Nishihara <yuya@tcha.org>
parents: 32659
diff changeset
1468 if maybewdir:
af854b1b36f8 revlog: add support for partial matching of wdir node id
Yuya Nishihara <yuya@tcha.org>
parents: 32659
diff changeset
1469 # no 'ff...' match in radix tree, wdir identified
af854b1b36f8 revlog: add support for partial matching of wdir node id
Yuya Nishihara <yuya@tcha.org>
parents: 32659
diff changeset
1470 raise error.WdirUnsupported
19471
fd1bb7c1be78 revlog: handle hidden revs in _partialmatch (issue3979)
Matt Mackall <mpm@selenic.com>
parents: 19326
diff changeset
1471 return None
39773
2cd93a8d4bde revlog: drop RevlogError alias (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39769
diff changeset
1472 except error.RevlogError:
16665
e410be860393 revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents: 16533
diff changeset
1473 # 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
1474 # 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
1475 if not getattr(self, 'filteredrevs', None):
39774
4a2466b2a434 revlog: drop some more error aliases (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39773
diff changeset
1476 raise error.AmbiguousPrefixLookupError(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
1477 id, self.indexfile, _(b'ambiguous identifier')
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1478 )
19471
fd1bb7c1be78 revlog: handle hidden revs in _partialmatch (issue3979)
Matt Mackall <mpm@selenic.com>
parents: 19326
diff changeset
1479 # 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
1480 except (AttributeError, ValueError):
e410be860393 revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents: 16533
diff changeset
1481 # we are pure python, or key was too short to search radix tree
e410be860393 revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents: 16533
diff changeset
1482 pass
e410be860393 revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents: 16533
diff changeset
1483
13258
c2661863f16f revlog: introduce a cache for partial lookups
Matt Mackall <mpm@selenic.com>
parents: 13254
diff changeset
1484 if id in self._pcache:
c2661863f16f revlog: introduce a cache for partial lookups
Matt Mackall <mpm@selenic.com>
parents: 13254
diff changeset
1485 return self._pcache[id]
c2661863f16f revlog: introduce a cache for partial lookups
Matt Mackall <mpm@selenic.com>
parents: 13254
diff changeset
1486
37819
ee3d58b4a47f revlog: make pure version of _partialmatch() support 40-byte hex nodeids
Martin von Zweigbergk <martinvonz@google.com>
parents: 37767
diff changeset
1487 if len(id) <= 40:
3453
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
1488 try:
3438
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
1489 # hex(node)[:...]
9029
0001e49f1c11 compat: use // for integer division
Alejandro Santos <alejolp@alejolp.com>
parents: 8658
diff changeset
1490 l = len(id) // 2 # grab an even number of digits
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1491 prefix = bin(id[: l * 2])
13259
3b616dfa4b17 revlog: do revlog node->rev mapping by scanning
Matt Mackall <mpm@selenic.com>
parents: 13258
diff changeset
1492 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
1493 nl = [
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1494 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
1495 ]
39191
5517d62c1bcc revlog: fix pure version of _partialmatch() to include nullid
Martin von Zweigbergk <martinvonz@google.com>
parents: 39157
diff changeset
1496 if nullhex.startswith(id):
5517d62c1bcc revlog: fix pure version of _partialmatch() to include nullid
Martin von Zweigbergk <martinvonz@google.com>
parents: 39157
diff changeset
1497 nl.append(nullid)
7365
ec3aafa84d44 lookup: speed up partial lookup
Matt Mackall <mpm@selenic.com>
parents: 7363
diff changeset
1498 if len(nl) > 0:
32684
af854b1b36f8 revlog: add support for partial matching of wdir node id
Yuya Nishihara <yuya@tcha.org>
parents: 32659
diff changeset
1499 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
1500 self._pcache[id] = nl[0]
7365
ec3aafa84d44 lookup: speed up partial lookup
Matt Mackall <mpm@selenic.com>
parents: 7363
diff changeset
1501 return nl[0]
39774
4a2466b2a434 revlog: drop some more error aliases (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39773
diff changeset
1502 raise error.AmbiguousPrefixLookupError(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
1503 id, self.indexfile, _(b'ambiguous identifier')
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1504 )
32684
af854b1b36f8 revlog: add support for partial matching of wdir node id
Yuya Nishihara <yuya@tcha.org>
parents: 32659
diff changeset
1505 if maybewdir:
af854b1b36f8 revlog: add support for partial matching of wdir node id
Yuya Nishihara <yuya@tcha.org>
parents: 32659
diff changeset
1506 raise error.WdirUnsupported
7365
ec3aafa84d44 lookup: speed up partial lookup
Matt Mackall <mpm@selenic.com>
parents: 7363
diff changeset
1507 return None
36238
f574cc00831a node: make bin() be a wrapper instead of just an alias
Augie Fackler <augie@google.com>
parents: 35974
diff changeset
1508 except TypeError:
3453
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
1509 pass
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
1510
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
1511 def lookup(self, id):
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
1512 """locate a node based on:
45942
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 45870
diff changeset
1513 - revision number or str(revision number)
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 45870
diff changeset
1514 - 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
1515 """
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
1516 n = self._match(id)
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
1517 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
1518 return n
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
1519 n = self._partialmatch(id)
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
1520 if n:
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
1521 return n
515
03f27b1381f9 Whitespace cleanups
mpm@selenic.com
parents: 484
diff changeset
1522
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
1523 raise error.LookupError(id, self.indexfile, _(b'no match found'))
36
da28286bf6b7 Add smart node lookup by substring or by rev number
mpm@selenic.com
parents: 26
diff changeset
1524
37767
44d1959acb3b revlog: make shortest() take a full binary nodeid (API)
Martin von Zweigbergk <martinvonz@google.com>
parents: 37494
diff changeset
1525 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
1526 """Find the shortest unambiguous prefix that matches node."""
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1527
37863
6921d3ecadc1 shortest: rename "test" variable to "prefix"
Martin von Zweigbergk <martinvonz@google.com>
parents: 37862
diff changeset
1528 def isvalid(prefix):
34250
448725a2ef73 templater: extract shortest() logic from template function
Martin von Zweigbergk <martinvonz@google.com>
parents: 34148
diff changeset
1529 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
1530 matchednode = self._partialmatch(prefix)
39831
7a9e2d85f475 revlog: catch more specific exception in shortest()
Yuya Nishihara <yuya@tcha.org>
parents: 39778
diff changeset
1531 except error.AmbiguousPrefixLookupError:
34250
448725a2ef73 templater: extract shortest() logic from template function
Martin von Zweigbergk <martinvonz@google.com>
parents: 34148
diff changeset
1532 return False
448725a2ef73 templater: extract shortest() logic from template function
Martin von Zweigbergk <martinvonz@google.com>
parents: 34148
diff changeset
1533 except error.WdirUnsupported:
448725a2ef73 templater: extract shortest() logic from template function
Martin von Zweigbergk <martinvonz@google.com>
parents: 34148
diff changeset
1534 # single 'ff...' match
448725a2ef73 templater: extract shortest() logic from template function
Martin von Zweigbergk <martinvonz@google.com>
parents: 34148
diff changeset
1535 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
1536 if matchednode is None:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
1537 raise error.LookupError(node, self.indexfile, _(b'no node'))
37970
76e933e0ccc9 shortest: remove unnecessary check for revnum in isvalid()
Martin von Zweigbergk <martinvonz@google.com>
parents: 37969
diff changeset
1538 return True
34250
448725a2ef73 templater: extract shortest() logic from template function
Martin von Zweigbergk <martinvonz@google.com>
parents: 34148
diff changeset
1539
37968
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37865
diff changeset
1540 def maybewdir(prefix):
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
1541 return all(c == b'f' for c in pycompat.iterbytestr(prefix))
37968
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37865
diff changeset
1542
37767
44d1959acb3b revlog: make shortest() take a full binary nodeid (API)
Martin von Zweigbergk <martinvonz@google.com>
parents: 37494
diff changeset
1543 hexnode = hex(node)
37968
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37865
diff changeset
1544
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37865
diff changeset
1545 def disambiguate(hexnode, minlength):
37971
3ac950cd5978 shortest: move revnum-disambiguation out of revlog
Martin von Zweigbergk <martinvonz@google.com>
parents: 37970
diff changeset
1546 """Disambiguate against wdirid."""
45053
cc2572923ea3 revlog: avoid hard-coded hash sizes
Joerg Sonnenberger <joerg@bec.de>
parents: 44954
diff changeset
1547 for length in range(minlength, len(hexnode) + 1):
37968
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37865
diff changeset
1548 prefix = hexnode[:length]
37971
3ac950cd5978 shortest: move revnum-disambiguation out of revlog
Martin von Zweigbergk <martinvonz@google.com>
parents: 37970
diff changeset
1549 if not maybewdir(prefix):
37968
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37865
diff changeset
1550 return prefix
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37865
diff changeset
1551
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37865
diff changeset
1552 if not getattr(self, 'filteredrevs', None):
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37865
diff changeset
1553 try:
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37865
diff changeset
1554 length = max(self.index.shortest(node), minlength)
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37865
diff changeset
1555 return disambiguate(hexnode, length)
39773
2cd93a8d4bde revlog: drop RevlogError alias (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39769
diff changeset
1556 except error.RevlogError:
37969
0db7fe7c34d3 shortest: make pure code also disambigute against revnums at end
Martin von Zweigbergk <martinvonz@google.com>
parents: 37968
diff changeset
1557 if node != wdirid:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
1558 raise error.LookupError(node, self.indexfile, _(b'no node'))
37968
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37865
diff changeset
1559 except AttributeError:
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37865
diff changeset
1560 # Fall through to pure code
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37865
diff changeset
1561 pass
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37865
diff changeset
1562
37969
0db7fe7c34d3 shortest: make pure code also disambigute against revnums at end
Martin von Zweigbergk <martinvonz@google.com>
parents: 37968
diff changeset
1563 if node == wdirid:
45053
cc2572923ea3 revlog: avoid hard-coded hash sizes
Joerg Sonnenberger <joerg@bec.de>
parents: 44954
diff changeset
1564 for length in range(minlength, len(hexnode) + 1):
37969
0db7fe7c34d3 shortest: make pure code also disambigute against revnums at end
Martin von Zweigbergk <martinvonz@google.com>
parents: 37968
diff changeset
1565 prefix = hexnode[:length]
0db7fe7c34d3 shortest: make pure code also disambigute against revnums at end
Martin von Zweigbergk <martinvonz@google.com>
parents: 37968
diff changeset
1566 if isvalid(prefix):
0db7fe7c34d3 shortest: make pure code also disambigute against revnums at end
Martin von Zweigbergk <martinvonz@google.com>
parents: 37968
diff changeset
1567 return prefix
0db7fe7c34d3 shortest: make pure code also disambigute against revnums at end
Martin von Zweigbergk <martinvonz@google.com>
parents: 37968
diff changeset
1568
45053
cc2572923ea3 revlog: avoid hard-coded hash sizes
Joerg Sonnenberger <joerg@bec.de>
parents: 44954
diff changeset
1569 for length in range(minlength, len(hexnode) + 1):
37863
6921d3ecadc1 shortest: rename "test" variable to "prefix"
Martin von Zweigbergk <martinvonz@google.com>
parents: 37862
diff changeset
1570 prefix = hexnode[:length]
6921d3ecadc1 shortest: rename "test" variable to "prefix"
Martin von Zweigbergk <martinvonz@google.com>
parents: 37862
diff changeset
1571 if isvalid(prefix):
37969
0db7fe7c34d3 shortest: make pure code also disambigute against revnums at end
Martin von Zweigbergk <martinvonz@google.com>
parents: 37968
diff changeset
1572 return disambiguate(hexnode, length)
34250
448725a2ef73 templater: extract shortest() logic from template function
Martin von Zweigbergk <martinvonz@google.com>
parents: 34148
diff changeset
1573
2890
5df3e5cf16bc Move cmp bits from filelog to revlog
Matt Mackall <mpm@selenic.com>
parents: 2859
diff changeset
1574 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
1575 """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
1576
a463e3c50212 cmp: document the fact that we return True if content is different
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents: 11323
diff changeset
1577 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
1578 """
2890
5df3e5cf16bc Move cmp bits from filelog to revlog
Matt Mackall <mpm@selenic.com>
parents: 2859
diff changeset
1579 p1, p2 = self.parents(node)
39877
f8eb71f9e3bd storageutil: new module for storage primitives (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39872
diff changeset
1580 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
1581
32227
1395f843ece4 revlog: rename internal functions containing "chunk" to use "segment"
Gregory Szorc <gregory.szorc@gmail.com>
parents: 31856
diff changeset
1582 def _cachesegment(self, offset, data):
27070
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1583 """Add a segment to the revlog cache.
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1584
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1585 Accepts an absolute offset and the data that is at that location.
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1586 """
8316
d593922cf480 revlog: clean up the chunk caching code
Matt Mackall <mpm@selenic.com>
parents: 8315
diff changeset
1587 o, d = self._chunkcache
d593922cf480 revlog: clean up the chunk caching code
Matt Mackall <mpm@selenic.com>
parents: 8315
diff changeset
1588 # try to add to existing cache
13253
61c9bc3da402 revlog: remove lazy index
Matt Mackall <mpm@selenic.com>
parents: 13239
diff changeset
1589 if o + len(d) == offset and len(d) + len(data) < _chunksize:
8316
d593922cf480 revlog: clean up the chunk caching code
Matt Mackall <mpm@selenic.com>
parents: 8315
diff changeset
1590 self._chunkcache = o, d + data
d593922cf480 revlog: clean up the chunk caching code
Matt Mackall <mpm@selenic.com>
parents: 8315
diff changeset
1591 else:
d593922cf480 revlog: clean up the chunk caching code
Matt Mackall <mpm@selenic.com>
parents: 8315
diff changeset
1592 self._chunkcache = offset, data
d593922cf480 revlog: clean up the chunk caching code
Matt Mackall <mpm@selenic.com>
parents: 8315
diff changeset
1593
32227
1395f843ece4 revlog: rename internal functions containing "chunk" to use "segment"
Gregory Szorc <gregory.szorc@gmail.com>
parents: 31856
diff changeset
1594 def _readsegment(self, offset, length, df=None):
27070
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1595 """Load a segment of raw data from the revlog.
26377
dfef0d3be65e revlog: support using an existing file handle when reading revlogs
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26376
diff changeset
1596
27070
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1597 Accepts an absolute offset, length to read, and an optional existing
26377
dfef0d3be65e revlog: support using an existing file handle when reading revlogs
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26376
diff changeset
1598 file handle to read from.
dfef0d3be65e revlog: support using an existing file handle when reading revlogs
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26376
diff changeset
1599
dfef0d3be65e revlog: support using an existing file handle when reading revlogs
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26376
diff changeset
1600 If an existing file handle is passed, it will be seeked and the
dfef0d3be65e revlog: support using an existing file handle when reading revlogs
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26376
diff changeset
1601 original seek position will NOT be restored.
27070
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1602
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1603 Returns a str or buffer of raw byte data.
40626
87a872555e90 revlog: detect incomplete revlog reads
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40625
diff changeset
1604
87a872555e90 revlog: detect incomplete revlog reads
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40625
diff changeset
1605 Raises if the requested number of bytes could not be read.
26377
dfef0d3be65e revlog: support using an existing file handle when reading revlogs
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26376
diff changeset
1606 """
20179
5bb3826bdac4 revlog: read/cache chunks in fixed windows of 64 KB
Brodie Rao <brodie@sf.io>
parents: 20074
diff changeset
1607 # Cache data both forward and backward around the requested
5bb3826bdac4 revlog: read/cache chunks in fixed windows of 64 KB
Brodie Rao <brodie@sf.io>
parents: 20074
diff changeset
1608 # data, in a fixed size window. This helps speed up operations
5bb3826bdac4 revlog: read/cache chunks in fixed windows of 64 KB
Brodie Rao <brodie@sf.io>
parents: 20074
diff changeset
1609 # involving reading the revlog backwards.
20180
969148b49fc6 revlog: allow tuning of the chunk cache size (via format.chunkcachesize)
Brodie Rao <brodie@sf.io>
parents: 20179
diff changeset
1610 cachesize = self._chunkcachesize
969148b49fc6 revlog: allow tuning of the chunk cache size (via format.chunkcachesize)
Brodie Rao <brodie@sf.io>
parents: 20179
diff changeset
1611 realoffset = offset & ~(cachesize - 1)
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1612 reallength = (
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1613 (offset + length + cachesize) & ~(cachesize - 1)
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1614 ) - realoffset
35973
4d66993bdcff revlog: add a _datareadfp context manager for data access needs
Boris Feld <boris.feld@octobus.net>
parents: 35972
diff changeset
1615 with self._datareadfp(df) as df:
4d66993bdcff revlog: add a _datareadfp context manager for data access needs
Boris Feld <boris.feld@octobus.net>
parents: 35972
diff changeset
1616 df.seek(realoffset)
4d66993bdcff revlog: add a _datareadfp context manager for data access needs
Boris Feld <boris.feld@octobus.net>
parents: 35972
diff changeset
1617 d = df.read(reallength)
40626
87a872555e90 revlog: detect incomplete revlog reads
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40625
diff changeset
1618
32227
1395f843ece4 revlog: rename internal functions containing "chunk" to use "segment"
Gregory Szorc <gregory.szorc@gmail.com>
parents: 31856
diff changeset
1619 self._cachesegment(realoffset, d)
20179
5bb3826bdac4 revlog: read/cache chunks in fixed windows of 64 KB
Brodie Rao <brodie@sf.io>
parents: 20074
diff changeset
1620 if offset != realoffset or reallength != length:
40626
87a872555e90 revlog: detect incomplete revlog reads
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40625
diff changeset
1621 startoffset = offset - realoffset
87a872555e90 revlog: detect incomplete revlog reads
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40625
diff changeset
1622 if len(d) - startoffset < length:
87a872555e90 revlog: detect incomplete revlog reads
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40625
diff changeset
1623 raise error.RevlogError(
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1624 _(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
1625 b'partial read of revlog %s; expected %d bytes from '
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
1626 b'offset %d, got %d'
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1627 )
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1628 % (
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1629 self.indexfile if self._inline else self.datafile,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1630 length,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1631 realoffset,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1632 len(d) - startoffset,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1633 )
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1634 )
40626
87a872555e90 revlog: detect incomplete revlog reads
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40625
diff changeset
1635
87a872555e90 revlog: detect incomplete revlog reads
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40625
diff changeset
1636 return util.buffer(d, startoffset, length)
87a872555e90 revlog: detect incomplete revlog reads
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40625
diff changeset
1637
87a872555e90 revlog: detect incomplete revlog reads
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40625
diff changeset
1638 if len(d) < length:
87a872555e90 revlog: detect incomplete revlog reads
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40625
diff changeset
1639 raise error.RevlogError(
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1640 _(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
1641 b'partial read of revlog %s; expected %d bytes from offset '
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
1642 b'%d, got %d'
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1643 )
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1644 % (
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1645 self.indexfile if self._inline else self.datafile,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1646 length,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1647 offset,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1648 len(d),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1649 )
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1650 )
40626
87a872555e90 revlog: detect incomplete revlog reads
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40625
diff changeset
1651
8316
d593922cf480 revlog: clean up the chunk caching code
Matt Mackall <mpm@selenic.com>
parents: 8315
diff changeset
1652 return d
d593922cf480 revlog: clean up the chunk caching code
Matt Mackall <mpm@selenic.com>
parents: 8315
diff changeset
1653
32227
1395f843ece4 revlog: rename internal functions containing "chunk" to use "segment"
Gregory Szorc <gregory.szorc@gmail.com>
parents: 31856
diff changeset
1654 def _getsegment(self, offset, length, df=None):
27070
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1655 """Obtain a segment of raw data from the revlog.
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1656
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1657 Accepts an absolute offset, length of bytes to obtain, and an
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1658 optional file handle to the already-opened revlog. If the file
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1659 handle is used, it's original seek position will not be preserved.
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1660
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1661 Requests for data may be returned from a cache.
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1662
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1663 Returns a str or a buffer instance of raw byte data.
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1664 """
8316
d593922cf480 revlog: clean up the chunk caching code
Matt Mackall <mpm@selenic.com>
parents: 8315
diff changeset
1665 o, d = self._chunkcache
d593922cf480 revlog: clean up the chunk caching code
Matt Mackall <mpm@selenic.com>
parents: 8315
diff changeset
1666 l = len(d)
d593922cf480 revlog: clean up the chunk caching code
Matt Mackall <mpm@selenic.com>
parents: 8315
diff changeset
1667
d593922cf480 revlog: clean up the chunk caching code
Matt Mackall <mpm@selenic.com>
parents: 8315
diff changeset
1668 # is it in the cache?
d593922cf480 revlog: clean up the chunk caching code
Matt Mackall <mpm@selenic.com>
parents: 8315
diff changeset
1669 cachestart = offset - o
d593922cf480 revlog: clean up the chunk caching code
Matt Mackall <mpm@selenic.com>
parents: 8315
diff changeset
1670 cacheend = cachestart + length
d593922cf480 revlog: clean up the chunk caching code
Matt Mackall <mpm@selenic.com>
parents: 8315
diff changeset
1671 if cachestart >= 0 and cacheend <= l:
d593922cf480 revlog: clean up the chunk caching code
Matt Mackall <mpm@selenic.com>
parents: 8315
diff changeset
1672 if cachestart == 0 and cacheend == l:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1673 return d # avoid a copy
16423
a150923b49ba revlog: avoid an expensive string copy
Bryan O'Sullivan <bryano@fb.com>
parents: 16418
diff changeset
1674 return util.buffer(d, cachestart, cacheend - cachestart)
8316
d593922cf480 revlog: clean up the chunk caching code
Matt Mackall <mpm@selenic.com>
parents: 8315
diff changeset
1675
32227
1395f843ece4 revlog: rename internal functions containing "chunk" to use "segment"
Gregory Szorc <gregory.szorc@gmail.com>
parents: 31856
diff changeset
1676 return self._readsegment(offset, length, df=df)
8316
d593922cf480 revlog: clean up the chunk caching code
Matt Mackall <mpm@selenic.com>
parents: 8315
diff changeset
1677
32229
75e93d95aae6 revlog: rename _chunkraw to _getsegmentforrevs()
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32227
diff changeset
1678 def _getsegmentforrevs(self, startrev, endrev, df=None):
27070
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1679 """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
1680
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1681 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
1682 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
1683 seek position will not be preserved.
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1684
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1685 Requests for data may be satisfied by a cache.
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1686
27649
6446e9b37c8b revlog: return offset from _chunkraw()
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27637
diff changeset
1687 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
1688 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
1689 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
1690
6446e9b37c8b revlog: return offset from _chunkraw()
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27637
diff changeset
1691 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
1692 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
1693 """
30288
ceddc3d94d74 revlog: inline start() and end() for perf reasons
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30287
diff changeset
1694 # 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: 30287
diff changeset
1695 # (functions are expensive).
ceddc3d94d74 revlog: inline start() and end() for perf reasons
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30287
diff changeset
1696 index = self.index
ceddc3d94d74 revlog: inline start() and end() for perf reasons
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30287
diff changeset
1697 istart = index[startrev]
ceddc3d94d74 revlog: inline start() and end() for perf reasons
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30287
diff changeset
1698 start = int(istart[0] >> 16)
30289
1f92056c4066 revlog: optimize _chunkraw when startrev==endrev
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30288
diff changeset
1699 if startrev == endrev:
1f92056c4066 revlog: optimize _chunkraw when startrev==endrev
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30288
diff changeset
1700 end = start + istart[1]
1f92056c4066 revlog: optimize _chunkraw when startrev==endrev
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30288
diff changeset
1701 else:
1f92056c4066 revlog: optimize _chunkraw when startrev==endrev
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30288
diff changeset
1702 iend = index[endrev]
1f92056c4066 revlog: optimize _chunkraw when startrev==endrev
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30288
diff changeset
1703 end = int(iend[0] >> 16) + iend[1]
30288
ceddc3d94d74 revlog: inline start() and end() for perf reasons
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30287
diff changeset
1704
8318
6b8513f8274a revlog: add cache priming for reconstructing delta chains
Matt Mackall <mpm@selenic.com>
parents: 8317
diff changeset
1705 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
1706 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
1707 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
1708 length = end - start
27649
6446e9b37c8b revlog: return offset from _chunkraw()
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27637
diff changeset
1709
32227
1395f843ece4 revlog: rename internal functions containing "chunk" to use "segment"
Gregory Szorc <gregory.szorc@gmail.com>
parents: 31856
diff changeset
1710 return start, self._getsegment(start, length, df=df)
8318
6b8513f8274a revlog: add cache priming for reconstructing delta chains
Matt Mackall <mpm@selenic.com>
parents: 8317
diff changeset
1711
26377
dfef0d3be65e revlog: support using an existing file handle when reading revlogs
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26376
diff changeset
1712 def _chunk(self, rev, df=None):
27070
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1713 """Obtain a single decompressed chunk for a revision.
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1714
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1715 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
1716 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
1717 be preserved.
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1718
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1719 Returns a str holding uncompressed data for the requested revision.
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1720 """
32229
75e93d95aae6 revlog: rename _chunkraw to _getsegmentforrevs()
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32227
diff changeset
1721 return self.decompress(self._getsegmentforrevs(rev, rev, df=df)[1])
8650
ef393d6ec030 revlog: refactor chunk cache interface again
Matt Mackall <mpm@selenic.com>
parents: 8643
diff changeset
1722
38644
43d0619cec90 revlog: enforce chunk slicing down to a certain size
Boris Feld <boris.feld@octobus.net>
parents: 38643
diff changeset
1723 def _chunks(self, revs, df=None, targetsize=None):
27070
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1724 """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
1725
27070
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1726 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
1727 ascending order. Also accepts an optional already-open file handle
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1728 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
1729 not be preserved.
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1730
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1731 This function is similar to calling ``self._chunk()`` multiple times,
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1732 but is faster.
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1733
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1734 Returns a list with decompressed data for each requested revision.
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1735 """
19716
e17976978ee4 revlog: move chunk cache preload from revision to _chunks
Siddharth Agarwal <sid0@fb.com>
parents: 19715
diff changeset
1736 if not revs:
e17976978ee4 revlog: move chunk cache preload from revision to _chunks
Siddharth Agarwal <sid0@fb.com>
parents: 19715
diff changeset
1737 return []
19713
c2e27e57d250 revlog: add a fast method for getting a list of chunks
Siddharth Agarwal <sid0@fb.com>
parents: 19625
diff changeset
1738 start = self.start
c2e27e57d250 revlog: add a fast method for getting a list of chunks
Siddharth Agarwal <sid0@fb.com>
parents: 19625
diff changeset
1739 length = self.length
c2e27e57d250 revlog: add a fast method for getting a list of chunks
Siddharth Agarwal <sid0@fb.com>
parents: 19625
diff changeset
1740 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
1741 iosize = self.index.entry_size
19715
1aab406be57c revlog._chunks: inline getchunk
Siddharth Agarwal <sid0@fb.com>
parents: 19714
diff changeset
1742 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
1743
c2e27e57d250 revlog: add a fast method for getting a list of chunks
Siddharth Agarwal <sid0@fb.com>
parents: 19625
diff changeset
1744 l = []
c2e27e57d250 revlog: add a fast method for getting a list of chunks
Siddharth Agarwal <sid0@fb.com>
parents: 19625
diff changeset
1745 ladd = l.append
c2e27e57d250 revlog: add a fast method for getting a list of chunks
Siddharth Agarwal <sid0@fb.com>
parents: 19625
diff changeset
1746
34824
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse
Paul Morelle <paul.morelle@octobus.net>
parents: 34823
diff changeset
1747 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
1748 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
1749 else:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1750 slicedchunks = deltautil.slicechunk(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1751 self, revs, targetsize=targetsize
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1752 )
34824
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse
Paul Morelle <paul.morelle@octobus.net>
parents: 34823
diff changeset
1753
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse
Paul Morelle <paul.morelle@octobus.net>
parents: 34823
diff changeset
1754 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
1755 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
1756 # 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
1757 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
1758 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
1759 break
34823
7891d243d821 revlog: ignore empty trailing chunks when reading segments
Paul Morelle <paul.morelle@octobus.net>
parents: 34296
diff changeset
1760
34824
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse
Paul Morelle <paul.morelle@octobus.net>
parents: 34823
diff changeset
1761 try:
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse
Paul Morelle <paul.morelle@octobus.net>
parents: 34823
diff changeset
1762 offset, data = self._getsegmentforrevs(firstrev, lastrev, df=df)
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse
Paul Morelle <paul.morelle@octobus.net>
parents: 34823
diff changeset
1763 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
1764 # 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
1765 # 2G on Windows
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse
Paul Morelle <paul.morelle@octobus.net>
parents: 34823
diff changeset
1766 return [self._chunk(rev, df=df) for rev in revschunk]
19715
1aab406be57c revlog._chunks: inline getchunk
Siddharth Agarwal <sid0@fb.com>
parents: 19714
diff changeset
1767
34824
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse
Paul Morelle <paul.morelle@octobus.net>
parents: 34823
diff changeset
1768 decomp = self.decompress
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse
Paul Morelle <paul.morelle@octobus.net>
parents: 34823
diff changeset
1769 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
1770 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
1771 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
1772 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
1773 chunklength = length(rev)
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse
Paul Morelle <paul.morelle@octobus.net>
parents: 34823
diff changeset
1774 ladd(decomp(buffer(data, chunkstart - offset, chunklength)))
19713
c2e27e57d250 revlog: add a fast method for getting a list of chunks
Siddharth Agarwal <sid0@fb.com>
parents: 19625
diff changeset
1775
c2e27e57d250 revlog: add a fast method for getting a list of chunks
Siddharth Agarwal <sid0@fb.com>
parents: 19625
diff changeset
1776 return l
14075
bc101902a68d revlog: introduce _chunkbase to allow filelog to override
Sune Foldager <cryo@cyanite.org>
parents: 14064
diff changeset
1777
8650
ef393d6ec030 revlog: refactor chunk cache interface again
Matt Mackall <mpm@selenic.com>
parents: 8643
diff changeset
1778 def _chunkclear(self):
27070
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1779 """Clear the raw chunk cache."""
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
1780 self._chunkcache = (0, b'')
1598
14d1f1868bf6 cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1559
diff changeset
1781
11929
1839a7518b0d revlog: deltachain() returns chain of revs need to construct a revision
Pradeepkumar Gayam <in3xes@gmail.com>
parents: 11928
diff changeset
1782 def deltaparent(self, rev):
14195
0013d3eeb826 revlog: remove support for parentdelta
Sune Foldager <cryo@cyanite.org>
parents: 14164
diff changeset
1783 """return deltaparent of the given revision"""
14253
c28d5200374c revlog: support reading generaldelta revlogs
Sune Foldager <cryo@cyanite.org>
parents: 14252
diff changeset
1784 base = self.index[rev][3]
c28d5200374c revlog: support reading generaldelta revlogs
Sune Foldager <cryo@cyanite.org>
parents: 14252
diff changeset
1785 if base == rev:
14208
d62d597b8974 revlog: compute correct deltaparent in the deltaparent function
Sune Foldager <cryo@cyanite.org>
parents: 14196
diff changeset
1786 return nullrev
14253
c28d5200374c revlog: support reading generaldelta revlogs
Sune Foldager <cryo@cyanite.org>
parents: 14252
diff changeset
1787 elif self._generaldelta:
c28d5200374c revlog: support reading generaldelta revlogs
Sune Foldager <cryo@cyanite.org>
parents: 14252
diff changeset
1788 return base
14208
d62d597b8974 revlog: compute correct deltaparent in the deltaparent function
Sune Foldager <cryo@cyanite.org>
parents: 14196
diff changeset
1789 else:
d62d597b8974 revlog: compute correct deltaparent in the deltaparent function
Sune Foldager <cryo@cyanite.org>
parents: 14196
diff changeset
1790 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
1791
39149
f8db458651c8 revlog: add a method to tells whether rev is stored as a snapshot
Paul Morelle <paul.morelle@octobus.net>
parents: 39147
diff changeset
1792 def issnapshot(self, rev):
45942
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 45870
diff changeset
1793 """tells whether rev is a snapshot"""
41086
a28833d79aca revlog: use the native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents: 41084
diff changeset
1794 if not self._sparserevlog:
a28833d79aca revlog: use the native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents: 41084
diff changeset
1795 return self.deltaparent(rev) == nullrev
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
1796 elif util.safehasattr(self.index, b'issnapshot'):
41086
a28833d79aca revlog: use the native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents: 41084
diff changeset
1797 # 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: 41084
diff changeset
1798 self.issnapshot = self.index.issnapshot
a28833d79aca revlog: use the native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents: 41084
diff changeset
1799 return self.issnapshot(rev)
39149
f8db458651c8 revlog: add a method to tells whether rev is stored as a snapshot
Paul Morelle <paul.morelle@octobus.net>
parents: 39147
diff changeset
1800 if rev == nullrev:
f8db458651c8 revlog: add a method to tells whether rev is stored as a snapshot
Paul Morelle <paul.morelle@octobus.net>
parents: 39147
diff changeset
1801 return True
41084
84491ae0b3f0 revlog: more efficient implementation for issnapshot
Boris Feld <boris.feld@octobus.net>
parents: 41083
diff changeset
1802 entry = self.index[rev]
84491ae0b3f0 revlog: more efficient implementation for issnapshot
Boris Feld <boris.feld@octobus.net>
parents: 41083
diff changeset
1803 base = entry[3]
84491ae0b3f0 revlog: more efficient implementation for issnapshot
Boris Feld <boris.feld@octobus.net>
parents: 41083
diff changeset
1804 if base == rev:
39149
f8db458651c8 revlog: add a method to tells whether rev is stored as a snapshot
Paul Morelle <paul.morelle@octobus.net>
parents: 39147
diff changeset
1805 return True
41084
84491ae0b3f0 revlog: more efficient implementation for issnapshot
Boris Feld <boris.feld@octobus.net>
parents: 41083
diff changeset
1806 if base == nullrev:
84491ae0b3f0 revlog: more efficient implementation for issnapshot
Boris Feld <boris.feld@octobus.net>
parents: 41083
diff changeset
1807 return True
84491ae0b3f0 revlog: more efficient implementation for issnapshot
Boris Feld <boris.feld@octobus.net>
parents: 41083
diff changeset
1808 p1 = entry[5]
84491ae0b3f0 revlog: more efficient implementation for issnapshot
Boris Feld <boris.feld@octobus.net>
parents: 41083
diff changeset
1809 p2 = entry[6]
84491ae0b3f0 revlog: more efficient implementation for issnapshot
Boris Feld <boris.feld@octobus.net>
parents: 41083
diff changeset
1810 if base == p1 or base == p2:
39150
f39efa885a6d revlog: also detect intermediate snapshots
Paul Morelle <paul.morelle@octobus.net>
parents: 39149
diff changeset
1811 return False
41084
84491ae0b3f0 revlog: more efficient implementation for issnapshot
Boris Feld <boris.feld@octobus.net>
parents: 41083
diff changeset
1812 return self.issnapshot(base)
39149
f8db458651c8 revlog: add a method to tells whether rev is stored as a snapshot
Paul Morelle <paul.morelle@octobus.net>
parents: 39147
diff changeset
1813
39152
3b1042cab4b4 revlog: add a method to retrieve snapshot depth
Boris Feld <boris.feld@octobus.net>
parents: 39150
diff changeset
1814 def snapshotdepth(self, rev):
3b1042cab4b4 revlog: add a method to retrieve snapshot depth
Boris Feld <boris.feld@octobus.net>
parents: 39150
diff changeset
1815 """number of snapshot in the chain before this one"""
3b1042cab4b4 revlog: add a method to retrieve snapshot depth
Boris Feld <boris.feld@octobus.net>
parents: 39150
diff changeset
1816 if not self.issnapshot(rev):
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
1817 raise error.ProgrammingError(b'revision %d not a snapshot')
39152
3b1042cab4b4 revlog: add a method to retrieve snapshot depth
Boris Feld <boris.feld@octobus.net>
parents: 39150
diff changeset
1818 return len(self._deltachain(rev)[0]) - 1
3b1042cab4b4 revlog: add a method to retrieve snapshot depth
Boris Feld <boris.feld@octobus.net>
parents: 39150
diff changeset
1819
1941
7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1853
diff changeset
1820 def revdiff(self, rev1, rev2):
31753
5d11b5edcb0b revlog: use raw revisions in revdiff
Jun Wu <quark@fb.com>
parents: 31752
diff changeset
1821 """return or calculate a delta between two revisions
5d11b5edcb0b revlog: use raw revisions in revdiff
Jun Wu <quark@fb.com>
parents: 31752
diff changeset
1822
5d11b5edcb0b revlog: use raw revisions in revdiff
Jun Wu <quark@fb.com>
parents: 31752
diff changeset
1823 The delta calculated is in binary form and is intended to be written to
5d11b5edcb0b revlog: use raw revisions in revdiff
Jun Wu <quark@fb.com>
parents: 31752
diff changeset
1824 revlog data directly. So this function needs raw revision data.
5d11b5edcb0b revlog: use raw revisions in revdiff
Jun Wu <quark@fb.com>
parents: 31752
diff changeset
1825 """
14208
d62d597b8974 revlog: compute correct deltaparent in the deltaparent function
Sune Foldager <cryo@cyanite.org>
parents: 14196
diff changeset
1826 if rev1 != nullrev and self.deltaparent(rev2) == rev1:
31369
b6f5af372c0c revlog: use bytes() instead of str() to get data from memoryview
Augie Fackler <augie@google.com>
parents: 31357
diff changeset
1827 return bytes(self._chunk(rev2))
5005
72082bfced9a revlog: minor revdiff reorganization
Matt Mackall <mpm@selenic.com>
parents: 5004
diff changeset
1828
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1829 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
1830
42993
01304095256c flagprocessors: directly duplicate the deprecated layer back into revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42992
diff changeset
1831 def _processflags(self, text, flags, operation, raw=False):
01304095256c flagprocessors: directly duplicate the deprecated layer back into revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42992
diff changeset
1832 """deprecated entry point to access flag processors"""
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
1833 msg = b'_processflag(...) use the specialized variant'
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
1834 util.nouideprecwarn(msg, b'5.2', stacklevel=2)
42993
01304095256c flagprocessors: directly duplicate the deprecated layer back into revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42992
diff changeset
1835 if raw:
01304095256c flagprocessors: directly duplicate the deprecated layer back into revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42992
diff changeset
1836 return text, flagutil.processflagsraw(self, text, flags)
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
1837 elif operation == b'read':
42993
01304095256c flagprocessors: directly duplicate the deprecated layer back into revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42992
diff changeset
1838 return flagutil.processflagsread(self, text, flags)
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1839 else: # write operation
46709
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
1840 return flagutil.processflagswrite(self, text, flags)
42993
01304095256c flagprocessors: directly duplicate the deprecated layer back into revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42992
diff changeset
1841
30743
2df983125d37 revlog: add 'raw' argument to revision and _addrevision
Remi Chaintron <remi@fb.com>
parents: 30584
diff changeset
1842 def revision(self, nodeorrev, _df=None, raw=False):
16435
df347129305d revlog: fix partial revision() docstring (from d7d64b89a65c)
Patrick Mezard <patrick@mezard.eu>
parents: 16424
diff changeset
1843 """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
1844 number.
26377
dfef0d3be65e revlog: support using an existing file handle when reading revlogs
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26376
diff changeset
1845
30743
2df983125d37 revlog: add 'raw' argument to revision and _addrevision
Remi Chaintron <remi@fb.com>
parents: 30584
diff changeset
1846 _df - an existing file handle to read from. (internal-only)
2df983125d37 revlog: add 'raw' argument to revision and _addrevision
Remi Chaintron <remi@fb.com>
parents: 30584
diff changeset
1847 raw - an optional argument specifying if the revision data is to be
2df983125d37 revlog: add 'raw' argument to revision and _addrevision
Remi Chaintron <remi@fb.com>
parents: 30584
diff changeset
1848 treated as raw data when applying flag transforms. 'raw' should be set
2df983125d37 revlog: add 'raw' argument to revision and _addrevision
Remi Chaintron <remi@fb.com>
parents: 30584
diff changeset
1849 to True when generating changegroups or in debug commands.
16435
df347129305d revlog: fix partial revision() docstring (from d7d64b89a65c)
Patrick Mezard <patrick@mezard.eu>
parents: 16424
diff changeset
1850 """
42845
f75f47b3ea41 revlog: deprecate the use of `revision(..., raw=True)`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42814
diff changeset
1851 if raw:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1852 msg = (
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
1853 b'revlog.revision(..., raw=True) is deprecated, '
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
1854 b'use revlog.rawdata(...)'
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1855 )
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
1856 util.nouideprecwarn(msg, b'5.2', stacklevel=2)
42981
35ab2c1a58aa revlog: return sidedata map from `_revisiondata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42980
diff changeset
1857 return self._revisiondata(nodeorrev, _df, raw=raw)[0]
42718
389233789952 revlog: split a `_revisiondata` method to file `revision` job
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42688
diff changeset
1858
42980
0d1272783f24 revlog: introduce a `sidedata` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42879
diff changeset
1859 def sidedata(self, nodeorrev, _df=None):
0d1272783f24 revlog: introduce a `sidedata` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42879
diff changeset
1860 """a map of extra data related to the changeset but not part of the hash
0d1272783f24 revlog: introduce a `sidedata` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42879
diff changeset
1861
0d1272783f24 revlog: introduce a `sidedata` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42879
diff changeset
1862 This function currently return a dictionary. However, more advanced
0d1272783f24 revlog: introduce a `sidedata` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42879
diff changeset
1863 mapping object will likely be used in the future for a more
0d1272783f24 revlog: introduce a `sidedata` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42879
diff changeset
1864 efficient/lazy code.
0d1272783f24 revlog: introduce a `sidedata` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42879
diff changeset
1865 """
42982
9d62f9fa332f revlog: use the new sidedata map return in the sidedata method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42981
diff changeset
1866 return self._revisiondata(nodeorrev, _df)[1]
42980
0d1272783f24 revlog: introduce a `sidedata` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42879
diff changeset
1867
42718
389233789952 revlog: split a `_revisiondata` method to file `revision` job
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42688
diff changeset
1868 def _revisiondata(self, nodeorrev, _df=None, raw=False):
42790
616aa62e5027 revlog: add some documentation to `_revisiondata` code
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42789
diff changeset
1869 # deal with <nodeorrev> argument type
16375
d7d64b89a65c revlog: allow retrieving contents by revision number
Matt Mackall <mpm@selenic.com>
parents: 16374
diff changeset
1870 if isinstance(nodeorrev, int):
d7d64b89a65c revlog: allow retrieving contents by revision number
Matt Mackall <mpm@selenic.com>
parents: 16374
diff changeset
1871 rev = nodeorrev
d7d64b89a65c revlog: allow retrieving contents by revision number
Matt Mackall <mpm@selenic.com>
parents: 16374
diff changeset
1872 node = self.node(rev)
d7d64b89a65c revlog: allow retrieving contents by revision number
Matt Mackall <mpm@selenic.com>
parents: 16374
diff changeset
1873 else:
d7d64b89a65c revlog: allow retrieving contents by revision number
Matt Mackall <mpm@selenic.com>
parents: 16374
diff changeset
1874 node = nodeorrev
d7d64b89a65c revlog: allow retrieving contents by revision number
Matt Mackall <mpm@selenic.com>
parents: 16374
diff changeset
1875 rev = None
d7d64b89a65c revlog: allow retrieving contents by revision number
Matt Mackall <mpm@selenic.com>
parents: 16374
diff changeset
1876
42790
616aa62e5027 revlog: add some documentation to `_revisiondata` code
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42789
diff changeset
1877 # fast path the special `nullid` rev
42789
bf070a59546a revlog: move `nullid` early return sooner in `_revisiondata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42788
diff changeset
1878 if node == nullid:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
1879 return b"", {}
42789
bf070a59546a revlog: move `nullid` early return sooner in `_revisiondata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42788
diff changeset
1880
43979
bdb357161d7a revlog: drop an unused variable assignment
Matt Harbison <matt_harbison@yahoo.com>
parents: 43957
diff changeset
1881 # ``rawtext`` is the text as stored inside the revlog. Might be the
bdb357161d7a revlog: drop an unused variable assignment
Matt Harbison <matt_harbison@yahoo.com>
parents: 43957
diff changeset
1882 # revision or might need to be processed to retrieve the revision.
42792
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
1883 rev, rawtext, validated = self._rawtext(node, rev, _df=_df)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
1884
46709
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
1885 if self.version & 0xFFFF == REVLOGV2:
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
1886 if rev is None:
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
1887 rev = self.rev(node)
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
1888 sidedata = self._sidedata(rev)
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
1889 else:
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
1890 sidedata = {}
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
1891
42792
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
1892 if raw and validated:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
1893 # if we don't want to process the raw text and that raw
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
1894 # text is cached, we can exit early.
46709
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
1895 return rawtext, sidedata
42792
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
1896 if rev is None:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
1897 rev = self.rev(node)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
1898 # the revlog's flag for this revision
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
1899 # (usually alter its state or content)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
1900 flags = self.flags(rev)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
1901
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
1902 if validated and flags == REVIDX_DEFAULT_FLAGS:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
1903 # no extra flags set, no flag processor runs, text = rawtext
46709
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
1904 return rawtext, sidedata
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
1905
42879
4a3efe0febb5 revlog: stop using `_processflags` directly
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42876
diff changeset
1906 if raw:
42992
dff95420480f flagprocessors: make `processflagsraw` a module level function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42991
diff changeset
1907 validatehash = flagutil.processflagsraw(self, rawtext, flags)
42879
4a3efe0febb5 revlog: stop using `_processflags` directly
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42876
diff changeset
1908 text = rawtext
4a3efe0febb5 revlog: stop using `_processflags` directly
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42876
diff changeset
1909 else:
46709
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
1910 r = flagutil.processflagsread(self, rawtext, flags)
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
1911 text, validatehash = r
42792
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
1912 if validatehash:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
1913 self.checkhash(text, node, rev=rev)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
1914 if not validated:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
1915 self._revisioncache = (node, rev, rawtext)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
1916
42981
35ab2c1a58aa revlog: return sidedata map from `_revisiondata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42980
diff changeset
1917 return text, sidedata
42792
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
1918
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
1919 def _rawtext(self, node, rev, _df=None):
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
1920 """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: 42791
diff changeset
1921
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
1922 returns (rev, rawtext, validated)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
1923 """
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
1924
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
1925 # 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: 42791
diff changeset
1926 cachedrev = None
42790
616aa62e5027 revlog: add some documentation to `_revisiondata` code
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42789
diff changeset
1927 # An intermediate text to apply deltas to
42788
2eec53a99ec1 revlog: stop calling `basetext` `rawtext` in _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42787
diff changeset
1928 basetext = None
42790
616aa62e5027 revlog: add some documentation to `_revisiondata` code
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42789
diff changeset
1929
616aa62e5027 revlog: add some documentation to `_revisiondata` code
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42789
diff changeset
1930 # 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: 42789
diff changeset
1931 # The cache entry looks like (node, rev, rawtext)
40052
55db747a21ad revlog: rename _cache to _revisioncache
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40010
diff changeset
1932 if self._revisioncache:
55db747a21ad revlog: rename _cache to _revisioncache
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40010
diff changeset
1933 if self._revisioncache[0] == node:
42792
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
1934 return (rev, self._revisioncache[2], True)
40052
55db747a21ad revlog: rename _cache to _revisioncache
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40010
diff changeset
1935 cachedrev = self._revisioncache[1]
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1936
42792
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
1937 if rev is None:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
1938 rev = self.rev(node)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
1939
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
1940 chain, stopped = self._deltachain(rev, stoprev=cachedrev)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
1941 if stopped:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
1942 basetext = self._revisioncache[2]
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
1943
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
1944 # 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: 42791
diff changeset
1945 # update self._revisioncache after validating the text
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
1946 self._revisioncache = None
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
1947
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
1948 targetsize = None
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
1949 rawsize = self.index[rev][2]
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
1950 if 0 <= rawsize:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
1951 targetsize = 4 * rawsize
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
1952
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
1953 bins = self._chunks(chain, df=_df, targetsize=targetsize)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
1954 if basetext is None:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
1955 basetext = bytes(bins[0])
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
1956 bins = bins[1:]
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
1957
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
1958 rawtext = mdiff.patches(basetext, bins)
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1959 del basetext # let us have a chance to free memory early
42792
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42791
diff changeset
1960 return (rev, rawtext, False)
13239
12ed25f39d0b revlog: break hash checking into subfunction
Matt Mackall <mpm@selenic.com>
parents: 13031
diff changeset
1961
46709
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
1962 def _sidedata(self, rev):
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
1963 """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: 46704
diff changeset
1964 index_entry = self.index[rev]
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
1965 sidedata_offset = index_entry[8]
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
1966 sidedata_size = index_entry[9]
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
1967
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
1968 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
1969 sidedata_offset += self.index.entry_size * (1 + rev)
46709
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
1970 if sidedata_size == 0:
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
1971 return {}
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
1972
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
1973 segment = self._getsegment(sidedata_offset, sidedata_size)
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
1974 sidedata = sidedatautil.deserialize_sidedata(segment)
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
1975 return sidedata
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
1976
42786
ef177c04ac7f revlog: drop silly `raw` parameter to `rawdata` function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42768
diff changeset
1977 def rawdata(self, nodeorrev, _df=None):
42719
415e4136d326 rawdata: introduce a `rawdata` method on revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42718
diff changeset
1978 """return an uncompressed raw data of a given node or revision number.
415e4136d326 rawdata: introduce a `rawdata` method on revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42718
diff changeset
1979
415e4136d326 rawdata: introduce a `rawdata` method on revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42718
diff changeset
1980 _df - an existing file handle to read from. (internal-only)
415e4136d326 rawdata: introduce a `rawdata` method on revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42718
diff changeset
1981 """
42981
35ab2c1a58aa revlog: return sidedata map from `_revisiondata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42980
diff changeset
1982 return self._revisiondata(nodeorrev, _df, raw=True)[0]
42719
415e4136d326 rawdata: introduce a `rawdata` method on revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42718
diff changeset
1983
22785
abc44fcc9c57 revlog: move references to revlog.hash to inside the revlog class
Augie Fackler <raf@durin42.com>
parents: 22784
diff changeset
1984 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
1985 """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
1986
abc44fcc9c57 revlog: move references to revlog.hash to inside the revlog class
Augie Fackler <raf@durin42.com>
parents: 22784
diff changeset
1987 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
1988 as needed.
abc44fcc9c57 revlog: move references to revlog.hash to inside the revlog class
Augie Fackler <raf@durin42.com>
parents: 22784
diff changeset
1989 """
39877
f8eb71f9e3bd storageutil: new module for storage primitives (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39872
diff changeset
1990 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
1991
30584
be5b2098a817 revlog: merge hash checking subfunctions
Remi Chaintron <remi@fb.com>
parents: 30543
diff changeset
1992 def checkhash(self, text, node, p1=None, p2=None, rev=None):
be5b2098a817 revlog: merge hash checking subfunctions
Remi Chaintron <remi@fb.com>
parents: 30543
diff changeset
1993 """Check node hash integrity.
19624
55749cb14d24 revlog: extract 'checkhash' method
Wojciech Lopata <lopek@fb.com>
parents: 19471
diff changeset
1994
30584
be5b2098a817 revlog: merge hash checking subfunctions
Remi Chaintron <remi@fb.com>
parents: 30543
diff changeset
1995 Available as a function so that subclasses can extend hash mismatch
be5b2098a817 revlog: merge hash checking subfunctions
Remi Chaintron <remi@fb.com>
parents: 30543
diff changeset
1996 behaviors as needed.
be5b2098a817 revlog: merge hash checking subfunctions
Remi Chaintron <remi@fb.com>
parents: 30543
diff changeset
1997 """
37443
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
1998 try:
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
1999 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
2000 p1, p2 = self.parents(node)
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
2001 if node != self.hash(text, p1, p2):
40054
801ccd8e67c0 revlog: clear revision cache on hash verification failure
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40052
diff changeset
2002 # Clear the revision cache on hash failure. The revision cache
801ccd8e67c0 revlog: clear revision cache on hash verification failure
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40052
diff changeset
2003 # only stores the raw revision and clearing the cache does have
801ccd8e67c0 revlog: clear revision cache on hash verification failure
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40052
diff changeset
2004 # the side-effect that we won't have a cache hit when the raw
801ccd8e67c0 revlog: clear revision cache on hash verification failure
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40052
diff changeset
2005 # revision data is accessed. But this case should be rare and
801ccd8e67c0 revlog: clear revision cache on hash verification failure
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40052
diff changeset
2006 # it is extra work to teach the cache about the hash
801ccd8e67c0 revlog: clear revision cache on hash verification failure
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40052
diff changeset
2007 # verification state.
801ccd8e67c0 revlog: clear revision cache on hash verification failure
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40052
diff changeset
2008 if self._revisioncache and self._revisioncache[0] == node:
801ccd8e67c0 revlog: clear revision cache on hash verification failure
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40052
diff changeset
2009 self._revisioncache = None
801ccd8e67c0 revlog: clear revision cache on hash verification failure
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40052
diff changeset
2010
37443
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
2011 revornode = rev
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
2012 if revornode is None:
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
2013 revornode = templatefilters.short(hex(node))
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2014 raise error.RevlogError(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2015 _(b"integrity check failed on %s:%s")
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2016 % (self.indexfile, pycompat.bytestr(revornode))
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2017 )
39773
2cd93a8d4bde revlog: drop RevlogError alias (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39769
diff changeset
2018 except error.RevlogError:
39879
d269ddbf54f0 storageutil: move _censoredtext() from revlog
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39878
diff changeset
2019 if self._censorable and storageutil.iscensoredtext(text):
37443
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
2020 raise error.CensoredNodeError(self.indexfile, node, text)
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
2021 raise
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
2022
35974
9ba1d0c724e2 revlog: rename 'self.checkinlinesize' into '_enforceinlinesize'
Boris Feld <boris.feld@octobus.net>
parents: 35973
diff changeset
2023 def _enforceinlinesize(self, tr, fp=None):
26376
344a1621674b revlog: add docstring for checkinlinesize()
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26243
diff changeset
2024 """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
2025
344a1621674b revlog: add docstring for checkinlinesize()
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26243
diff changeset
2026 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
2027 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
2028 to use multiple index and data files.
344a1621674b revlog: add docstring for checkinlinesize()
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26243
diff changeset
2029 """
38844
119d14f41cb2 revlog: remove some knowledge of sentinel nullid in index
Martin von Zweigbergk <martinvonz@google.com>
parents: 38841
diff changeset
2030 tiprev = len(self) - 1
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2031 if (
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2032 not self._inline
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2033 or (self.start(tiprev) + self.length(tiprev)) < _maxinline
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2034 ):
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
2035 return
8315
c8493310ad9b revlog: use index to find index size
Matt Mackall <mpm@selenic.com>
parents: 8314
diff changeset
2036
45870
a6f08085edfe transaction: rename find to findoffset and drop backup file support
Joerg Sonnenberger <joerg@bec.de>
parents: 45869
diff changeset
2037 troffset = tr.findoffset(self.indexfile)
a6f08085edfe transaction: rename find to findoffset and drop backup file support
Joerg Sonnenberger <joerg@bec.de>
parents: 45869
diff changeset
2038 if troffset is None:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2039 raise error.RevlogError(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2040 _(b"%s not found in the transaction") % self.indexfile
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2041 )
45869
63edc384d3b7 transaction: drop per-file extra data support
Joerg Sonnenberger <joerg@bec.de>
parents: 45864
diff changeset
2042 trindex = 0
63edc384d3b7 transaction: drop per-file extra data support
Joerg Sonnenberger <joerg@bec.de>
parents: 45864
diff changeset
2043 tr.add(self.datafile, 0)
8315
c8493310ad9b revlog: use index to find index size
Matt Mackall <mpm@selenic.com>
parents: 8314
diff changeset
2044
8317
5cdf4067857a revlog: use chunk cache to avoid rereading when splitting inline files
Matt Mackall <mpm@selenic.com>
parents: 8316
diff changeset
2045 if fp:
5cdf4067857a revlog: use chunk cache to avoid rereading when splitting inline files
Matt Mackall <mpm@selenic.com>
parents: 8316
diff changeset
2046 fp.flush()
5cdf4067857a revlog: use chunk cache to avoid rereading when splitting inline files
Matt Mackall <mpm@selenic.com>
parents: 8316
diff changeset
2047 fp.close()
40627
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40626
diff changeset
2048 # 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: 40626
diff changeset
2049 # its usage.
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40626
diff changeset
2050 self._writinghandles = None
8315
c8493310ad9b revlog: use index to find index size
Matt Mackall <mpm@selenic.com>
parents: 8314
diff changeset
2051
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2052 with self._indexfp(b'r') as ifh, self._datafp(b'w') as dfh:
6750
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog
Matt Mackall <mpm@selenic.com>
parents: 6703
diff changeset
2053 for r in self:
40625
39369475445c revlog: use single file handle when de-inlining revlog
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40460
diff changeset
2054 dfh.write(self._getsegmentforrevs(r, r, df=ifh)[1])
45869
63edc384d3b7 transaction: drop per-file extra data support
Joerg Sonnenberger <joerg@bec.de>
parents: 45864
diff changeset
2055 if troffset <= self.start(r):
63edc384d3b7 transaction: drop per-file extra data support
Joerg Sonnenberger <joerg@bec.de>
parents: 45864
diff changeset
2056 trindex = r
6261
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6228
diff changeset
2057
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2058 with self._indexfp(b'w') as fp:
35971
0f2c51afafb2 revlog: use context manager for index file lifetime in checkinlinesize
Boris Feld <boris.feld@octobus.net>
parents: 35970
diff changeset
2059 self.version &= ~FLAG_INLINE_DATA
0f2c51afafb2 revlog: use context manager for index file lifetime in checkinlinesize
Boris Feld <boris.feld@octobus.net>
parents: 35970
diff changeset
2060 self._inline = False
0f2c51afafb2 revlog: use context manager for index file lifetime in checkinlinesize
Boris Feld <boris.feld@octobus.net>
parents: 35970
diff changeset
2061 io = self._io
0f2c51afafb2 revlog: use context manager for index file lifetime in checkinlinesize
Boris Feld <boris.feld@octobus.net>
parents: 35970
diff changeset
2062 for i in self:
0f2c51afafb2 revlog: use context manager for index file lifetime in checkinlinesize
Boris Feld <boris.feld@octobus.net>
parents: 35970
diff changeset
2063 e = io.packentry(self.index[i], self.node, self.version, i)
0f2c51afafb2 revlog: use context manager for index file lifetime in checkinlinesize
Boris Feld <boris.feld@octobus.net>
parents: 35970
diff changeset
2064 fp.write(e)
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
2065
35971
0f2c51afafb2 revlog: use context manager for index file lifetime in checkinlinesize
Boris Feld <boris.feld@octobus.net>
parents: 35970
diff changeset
2066 # the temp file replace the real index when we exit the context
0f2c51afafb2 revlog: use context manager for index file lifetime in checkinlinesize
Boris Feld <boris.feld@octobus.net>
parents: 35970
diff changeset
2067 # manager
2084
Chris Mason <mason@suse.com>
parents: 2082
diff changeset
2068
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
2069 tr.replace(self.indexfile, trindex * self.index.entry_size)
44310
daad3aace942 nodemap: only use persistent nodemap for non-inlined revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44308
diff changeset
2070 nodemaputil.setup_persistent_nodemap(tr, self)
8650
ef393d6ec030 revlog: refactor chunk cache interface again
Matt Mackall <mpm@selenic.com>
parents: 8643
diff changeset
2071 self._chunkclear()
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
2072
39886
debc4ee597e7 revlog: add a callback "tracking" duplicate node addition
Boris Feld <boris.feld@octobus.net>
parents: 39881
diff changeset
2073 def _nodeduplicatecallback(self, transaction, node):
45942
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 45870
diff changeset
2074 """called when trying to add a node already stored."""
39886
debc4ee597e7 revlog: add a callback "tracking" duplicate node addition
Boris Feld <boris.feld@octobus.net>
parents: 39881
diff changeset
2075
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2076 def addrevision(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2077 self,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2078 text,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2079 transaction,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2080 link,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2081 p1,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2082 p2,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2083 cachedelta=None,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2084 node=None,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2085 flags=REVIDX_DEFAULT_FLAGS,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2086 deltacomputer=None,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2087 sidedata=None,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2088 ):
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
2089 """add a revision to the log
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
2090
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
2091 text - the revision data to add
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
2092 transaction - the transaction object used for rollback
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
2093 link - the linkrev data to add
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
2094 p1, p2 - the parent nodeids of the revision
12012
bade7a9c5c07 revlog: fix docstring
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 12011
diff changeset
2095 cachedelta - an optional precomputed delta
19625
6a411a06cb1f revlog: pass node as an argument of addrevision
Wojciech Lopata <lopek@fb.com>
parents: 19624
diff changeset
2096 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
2097 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
2098 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
2099 flags - the known flags to set on the revision
39330
655b5b465953 revlog: split functionality related to deltas computation in a new module
Boris Feld <boris.feld@octobus.net>
parents: 39329
diff changeset
2100 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
2101 multiple calls
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
2102 """
19326
7014526d67a8 revlog: add exception when linkrev == nullrev
Durham Goode <durham@fb.com>
parents: 19200
diff changeset
2103 if link == nullrev:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2104 raise error.RevlogError(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2105 _(b"attempted to add linkrev -1 to %s") % self.indexfile
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2106 )
25459
0bda5bfaf0b1 revlog: move size limit check to addrevision
Matt Mackall <mpm@selenic.com>
parents: 25410
diff changeset
2107
42986
33532939c667 revlog: add a `sidedata` parameters to addrevision
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42985
diff changeset
2108 if sidedata is None:
33532939c667 revlog: add a `sidedata` parameters to addrevision
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42985
diff changeset
2109 sidedata = {}
43030
827cb4fe62a3 sidedata: introduce a new requirement to protect the feature
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43025
diff changeset
2110 elif not self.hassidedata:
827cb4fe62a3 sidedata: introduce a new requirement to protect the feature
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43025
diff changeset
2111 raise error.ProgrammingError(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2112 _(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
2113 )
42986
33532939c667 revlog: add a `sidedata` parameters to addrevision
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42985
diff changeset
2114
30745
c1b7b2285522 revlog: flag processor
Remi Chaintron <remi@fb.com>
parents: 30744
diff changeset
2115 if flags:
c1b7b2285522 revlog: flag processor
Remi Chaintron <remi@fb.com>
parents: 30744
diff changeset
2116 node = node or self.hash(text, p1, p2)
c1b7b2285522 revlog: flag processor
Remi Chaintron <remi@fb.com>
parents: 30744
diff changeset
2117
46709
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
2118 rawtext, validatehash = flagutil.processflagswrite(self, text, flags)
30745
c1b7b2285522 revlog: flag processor
Remi Chaintron <remi@fb.com>
parents: 30744
diff changeset
2119
c1b7b2285522 revlog: flag processor
Remi Chaintron <remi@fb.com>
parents: 30744
diff changeset
2120 # If the flag processor modifies the revision data, ignore any provided
c1b7b2285522 revlog: flag processor
Remi Chaintron <remi@fb.com>
parents: 30744
diff changeset
2121 # cachedelta.
31750
f319981c24c9 revlog: rename some "text"s to "rawtext"
Jun Wu <quark@fb.com>
parents: 31749
diff changeset
2122 if rawtext != text:
30745
c1b7b2285522 revlog: flag processor
Remi Chaintron <remi@fb.com>
parents: 30744
diff changeset
2123 cachedelta = None
c1b7b2285522 revlog: flag processor
Remi Chaintron <remi@fb.com>
parents: 30744
diff changeset
2124
31750
f319981c24c9 revlog: rename some "text"s to "rawtext"
Jun Wu <quark@fb.com>
parents: 31749
diff changeset
2125 if len(rawtext) > _maxentrysize:
39773
2cd93a8d4bde revlog: drop RevlogError alias (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39769
diff changeset
2126 raise error.RevlogError(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2127 _(
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2128 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
2129 )
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2130 % (self.indexfile, len(rawtext))
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2131 )
25459
0bda5bfaf0b1 revlog: move size limit check to addrevision
Matt Mackall <mpm@selenic.com>
parents: 25410
diff changeset
2132
31750
f319981c24c9 revlog: rename some "text"s to "rawtext"
Jun Wu <quark@fb.com>
parents: 31749
diff changeset
2133 node = node or self.hash(rawtext, p1, p2)
46508
f7b61ad3c64a revlog: change addrevision to return the new revision, not node
Joerg Sonnenberger <joerg@bec.de>
parents: 46507
diff changeset
2134 rev = self.index.get_rev(node)
f7b61ad3c64a revlog: change addrevision to return the new revision, not node
Joerg Sonnenberger <joerg@bec.de>
parents: 46507
diff changeset
2135 if rev is not None:
f7b61ad3c64a revlog: change addrevision to return the new revision, not node
Joerg Sonnenberger <joerg@bec.de>
parents: 46507
diff changeset
2136 return rev
12023
44c22dc193a4 revlog.addrevision(): move computation of nodeid in addrevision()
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 12012
diff changeset
2137
30745
c1b7b2285522 revlog: flag processor
Remi Chaintron <remi@fb.com>
parents: 30744
diff changeset
2138 if validatehash:
31750
f319981c24c9 revlog: rename some "text"s to "rawtext"
Jun Wu <quark@fb.com>
parents: 31749
diff changeset
2139 self.checkhash(rawtext, node, p1=p1, p2=p2)
30745
c1b7b2285522 revlog: flag processor
Remi Chaintron <remi@fb.com>
parents: 30744
diff changeset
2140
46508
f7b61ad3c64a revlog: change addrevision to return the new revision, not node
Joerg Sonnenberger <joerg@bec.de>
parents: 46507
diff changeset
2141 return self.addrawrevision(
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2142 rawtext,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2143 transaction,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2144 link,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2145 p1,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2146 p2,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2147 node,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2148 flags,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2149 cachedelta=cachedelta,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2150 deltacomputer=deltacomputer,
46709
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
2151 sidedata=sidedata,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2152 )
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2153
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2154 def addrawrevision(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2155 self,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2156 rawtext,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2157 transaction,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2158 link,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2159 p1,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2160 p2,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2161 node,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2162 flags,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2163 cachedelta=None,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2164 deltacomputer=None,
46709
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
2165 sidedata=None,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2166 ):
32244
3de4c61b5087 revlog: move part of "addrevision" to "addrawrevision"
Jun Wu <quark@fb.com>
parents: 32229
diff changeset
2167 """add a raw revision with known flags, node and parents
3de4c61b5087 revlog: move part of "addrevision" to "addrawrevision"
Jun Wu <quark@fb.com>
parents: 32229
diff changeset
2168 useful when reusing a revision not stored in this revlog (ex: received
3de4c61b5087 revlog: move part of "addrevision" to "addrawrevision"
Jun Wu <quark@fb.com>
parents: 32229
diff changeset
2169 over wire, or read from an external bundle).
3de4c61b5087 revlog: move part of "addrevision" to "addrawrevision"
Jun Wu <quark@fb.com>
parents: 32229
diff changeset
2170 """
4981
e7131935fbb3 revlog: simplify addrevision
Matt Mackall <mpm@selenic.com>
parents: 4980
diff changeset
2171 dfh = None
4982
9672e3c42b0c revlog: change _inline from a function to a variable
Matt Mackall <mpm@selenic.com>
parents: 4981
diff changeset
2172 if not self._inline:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2173 dfh = self._datafp(b"a+")
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2174 ifh = self._indexfp(b"a+")
6261
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6228
diff changeset
2175 try:
46507
9ee4e988e2be revlog: change addrawrevision to return the revision
Joerg Sonnenberger <joerg@bec.de>
parents: 46506
diff changeset
2176 return self._addrevision(
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2177 node,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2178 rawtext,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2179 transaction,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2180 link,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2181 p1,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2182 p2,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2183 flags,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2184 cachedelta,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2185 ifh,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2186 dfh,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2187 deltacomputer=deltacomputer,
46709
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
2188 sidedata=sidedata,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2189 )
6261
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6228
diff changeset
2190 finally:
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6228
diff changeset
2191 if dfh:
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6228
diff changeset
2192 dfh.close()
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6228
diff changeset
2193 ifh.close()
3390
a74addddd092 make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3360
diff changeset
2194
30795
78ac56aebab6 revlog: use compression engine API for compression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30793
diff changeset
2195 def compress(self, data):
78ac56aebab6 revlog: use compression engine API for compression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30793
diff changeset
2196 """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
2197 if not data:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2198 return b'', data
30795
78ac56aebab6 revlog: use compression engine API for compression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30793
diff changeset
2199
78ac56aebab6 revlog: use compression engine API for compression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30793
diff changeset
2200 compressed = self._compressor.compress(data)
78ac56aebab6 revlog: use compression engine API for compression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30793
diff changeset
2201
78ac56aebab6 revlog: use compression engine API for compression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30793
diff changeset
2202 if compressed:
78ac56aebab6 revlog: use compression engine API for compression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30793
diff changeset
2203 # 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
2204 return b'', compressed
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2205
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2206 if data[0:1] == b'\0':
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2207 return b'', data
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2208 return b'u', data
17128
1028a1c9077a revlog: make compress a method
Bryan O'Sullivan <bryano@fb.com>
parents: 17009
diff changeset
2209
30793
b6f455a6e4d6 revlog: move decompress() from module to revlog class (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30792
diff changeset
2210 def decompress(self, data):
b6f455a6e4d6 revlog: move decompress() from module to revlog class (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30792
diff changeset
2211 """Decompress a revlog chunk.
b6f455a6e4d6 revlog: move decompress() from module to revlog class (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30792
diff changeset
2212
b6f455a6e4d6 revlog: move decompress() from module to revlog class (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30792
diff changeset
2213 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
2214 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
2215 """
b6f455a6e4d6 revlog: move decompress() from module to revlog class (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30792
diff changeset
2216 if not data:
b6f455a6e4d6 revlog: move decompress() from module to revlog class (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30792
diff changeset
2217 return data
30817
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2218
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2219 # 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
2220 # 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
2221 # important here.
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2222 #
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2223 # 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
2224 #
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2225 # 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
2226 # raw data).
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2227 # 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
2228 # returning raw inline data.
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2229 # 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
2230 # engines
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2231 #
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2232 # 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
2233 # 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
2234 # 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
2235 # 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
2236 # followed by the compengines lookup.
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2237 #
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2238 # 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
2239 # compressed chunks. And this matters for changelog and manifest reads.
31356
ef6888172437 revlog: extract first byte of revlog with a slice so it's portable
Augie Fackler <augie@google.com>
parents: 30829
diff changeset
2240 t = data[0:1]
30817
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2241
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2242 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
2243 try:
30817
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2244 return _zlibdecompress(data)
30793
b6f455a6e4d6 revlog: move decompress() from module to revlog class (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30792
diff changeset
2245 except zlib.error as e:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2246 raise error.RevlogError(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2247 _(b'revlog decompress error: %s')
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2248 % stringutil.forcebytestr(e)
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2249 )
30817
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2250 # '\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
2251 elif t == b'\0':
30817
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2252 return data
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2253 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
2254 return util.buffer(data, 1)
30817
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2255
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2256 try:
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2257 compressor = self._decompressors[t]
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2258 except KeyError:
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2259 try:
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2260 engine = util.compengines.forrevlogheader(t)
42043
1fac9b931d46 compression: introduce a `storage.revlog.zlib.level` configuration
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41872
diff changeset
2261 compressor = engine.revlogcompressor(self._compengineopts)
30817
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2262 self._decompressors[t] = compressor
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2263 except KeyError:
46852
fbfb1d6d8459 revlog: fix error about unknown compression format in py3
Valentin Gatien-Baron <vgatien-baron@janestreet.com>
parents: 46819
diff changeset
2264 raise error.RevlogError(
fbfb1d6d8459 revlog: fix error about unknown compression format in py3
Valentin Gatien-Baron <vgatien-baron@janestreet.com>
parents: 46819
diff changeset
2265 _(b'unknown compression type %s') % binascii.hexlify(t)
fbfb1d6d8459 revlog: fix error about unknown compression format in py3
Valentin Gatien-Baron <vgatien-baron@janestreet.com>
parents: 46819
diff changeset
2266 )
30817
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2267
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2268 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
2269
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2270 def _addrevision(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2271 self,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2272 node,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2273 rawtext,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2274 transaction,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2275 link,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2276 p1,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2277 p2,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2278 flags,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2279 cachedelta,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2280 ifh,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2281 dfh,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2282 alwayscache=False,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2283 deltacomputer=None,
46709
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
2284 sidedata=None,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2285 ):
14292
c97d8485b5fa revlog: add docstring to _addrevision
Sune Foldager <cryo@cyanite.org>
parents: 14270
diff changeset
2286 """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
2287
14292
c97d8485b5fa revlog: add docstring to _addrevision
Sune Foldager <cryo@cyanite.org>
parents: 14270
diff changeset
2288 see addrevision for argument descriptions.
31755
ec48d57de110 revlog: make _addrevision only accept rawtext
Jun Wu <quark@fb.com>
parents: 31754
diff changeset
2289
ec48d57de110 revlog: make _addrevision only accept rawtext
Jun Wu <quark@fb.com>
parents: 31754
diff changeset
2290 note: "addrevision" takes non-raw text, "_addrevision" takes raw text.
ec48d57de110 revlog: make _addrevision only accept rawtext
Jun Wu <quark@fb.com>
parents: 31754
diff changeset
2291
35738
f90f6fd130c1 revlog: group delta computation methods under _deltacomputer object
Paul Morelle <paul.morelle@octobus.net>
parents: 35737
diff changeset
2292 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
2293 be used.
f90f6fd130c1 revlog: group delta computation methods under _deltacomputer object
Paul Morelle <paul.morelle@octobus.net>
parents: 35737
diff changeset
2294
14292
c97d8485b5fa revlog: add docstring to _addrevision
Sune Foldager <cryo@cyanite.org>
parents: 14270
diff changeset
2295 invariants:
31755
ec48d57de110 revlog: make _addrevision only accept rawtext
Jun Wu <quark@fb.com>
parents: 31754
diff changeset
2296 - 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
2297 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
2298 """
33938
9180f8f593f3 revlog: abort on attempt to write null revision
Martin von Zweigbergk <martinvonz@google.com>
parents: 33392
diff changeset
2299 if node == nullid:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2300 raise error.RevlogError(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2301 _(b"%s: attempt to add null revision") % self.indexfile
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2302 )
37449
a0d71618074f revlog: detect pseudo file nodeids to raise WdirUnsupported exception
Yuya Nishihara <yuya@tcha.org>
parents: 37443
diff changeset
2303 if node == wdirid or node in wdirfilenodeids:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2304 raise error.RevlogError(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2305 _(b"%s: attempt to add wdir revision") % self.indexfile
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2306 )
34028
bfb38c5cebf4 revlog: move check for wdir from changelog to revlog
Martin von Zweigbergk <martinvonz@google.com>
parents: 34026
diff changeset
2307
35635
0b52c0ecbc23 revlog: choose between ifh and dfh once for all
Paul Morelle <paul.morelle@octobus.net>
parents: 35634
diff changeset
2308 if self._inline:
0b52c0ecbc23 revlog: choose between ifh and dfh once for all
Paul Morelle <paul.morelle@octobus.net>
parents: 35634
diff changeset
2309 fh = ifh
0b52c0ecbc23 revlog: choose between ifh and dfh once for all
Paul Morelle <paul.morelle@octobus.net>
parents: 35634
diff changeset
2310 else:
0b52c0ecbc23 revlog: choose between ifh and dfh once for all
Paul Morelle <paul.morelle@octobus.net>
parents: 35634
diff changeset
2311 fh = dfh
0b52c0ecbc23 revlog: choose between ifh and dfh once for all
Paul Morelle <paul.morelle@octobus.net>
parents: 35634
diff changeset
2312
31755
ec48d57de110 revlog: make _addrevision only accept rawtext
Jun Wu <quark@fb.com>
parents: 31754
diff changeset
2313 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
2314
6750
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog
Matt Mackall <mpm@selenic.com>
parents: 6703
diff changeset
2315 curr = len(self)
4981
e7131935fbb3 revlog: simplify addrevision
Matt Mackall <mpm@selenic.com>
parents: 4980
diff changeset
2316 prev = curr - 1
46710
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46709
diff changeset
2317
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46709
diff changeset
2318 offset = self._get_data_offset(prev)
46607
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46509
diff changeset
2319
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46509
diff changeset
2320 if self._concurrencychecker:
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46509
diff changeset
2321 if self._inline:
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46509
diff changeset
2322 # offset is "as if" it were in the .d file, so we need to add on
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46509
diff changeset
2323 # the size of the entry metadata.
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46509
diff changeset
2324 self._concurrencychecker(
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
2325 ifh, self.indexfile, offset + curr * self.index.entry_size
46607
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46509
diff changeset
2326 )
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46509
diff changeset
2327 else:
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46509
diff changeset
2328 # Entries in the .i are a consistent size.
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46509
diff changeset
2329 self._concurrencychecker(
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
2330 ifh, self.indexfile, curr * self.index.entry_size
46607
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46509
diff changeset
2331 )
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46509
diff changeset
2332 self._concurrencychecker(dfh, self.datafile, offset)
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46509
diff changeset
2333
12889
5482c6b826f4 revlog: precalculate p1 and p2 revisions
Matt Mackall <mpm@selenic.com>
parents: 12888
diff changeset
2334 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
2335
26116
562cfc99e611 revlog: move textlen calculation to be above delta chooser
Durham Goode <durham@fb.com>
parents: 26115
diff changeset
2336 # 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
2337 # become comparable to the uncompressed text
31755
ec48d57de110 revlog: make _addrevision only accept rawtext
Jun Wu <quark@fb.com>
parents: 31754
diff changeset
2338 if rawtext is None:
36748
369aadf7a326 revlog: resolve lfs rawtext to vanilla rawtext before applying delta
Jun Wu <quark@fb.com>
parents: 36744
diff changeset
2339 # need rawtext size, before changed by flag processors, which is
369aadf7a326 revlog: resolve lfs rawtext to vanilla rawtext before applying delta
Jun Wu <quark@fb.com>
parents: 36744
diff changeset
2340 # the non-raw size. use revlog explicitly to avoid filelog's extra
369aadf7a326 revlog: resolve lfs rawtext to vanilla rawtext before applying delta
Jun Wu <quark@fb.com>
parents: 36744
diff changeset
2341 # logic that might remove metadata size.
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2342 textlen = mdiff.patchedsize(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2343 revlog.size(self, cachedelta[0]), cachedelta[1]
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2344 )
26116
562cfc99e611 revlog: move textlen calculation to be above delta chooser
Durham Goode <durham@fb.com>
parents: 26115
diff changeset
2345 else:
31755
ec48d57de110 revlog: make _addrevision only accept rawtext
Jun Wu <quark@fb.com>
parents: 31754
diff changeset
2346 textlen = len(rawtext)
26116
562cfc99e611 revlog: move textlen calculation to be above delta chooser
Durham Goode <durham@fb.com>
parents: 26115
diff changeset
2347
35738
f90f6fd130c1 revlog: group delta computation methods under _deltacomputer object
Paul Morelle <paul.morelle@octobus.net>
parents: 35737
diff changeset
2348 if deltacomputer is None:
39330
655b5b465953 revlog: split functionality related to deltas computation in a new module
Boris Feld <boris.feld@octobus.net>
parents: 39329
diff changeset
2349 deltacomputer = deltautil.deltacomputer(self)
35738
f90f6fd130c1 revlog: group delta computation methods under _deltacomputer object
Paul Morelle <paul.morelle@octobus.net>
parents: 35737
diff changeset
2350
35737
d99b07bc69fb revlog: refactor out _finddeltainfo from _addrevision
Paul Morelle <paul.morelle@octobus.net>
parents: 35641
diff changeset
2351 revinfo = _revisioninfo(node, p1, p2, btext, textlen, cachedelta, flags)
36744
33275ab5e837 revlog: do not use delta for lfs revisions
Jun Wu <quark@fb.com>
parents: 36743
diff changeset
2352
39332
6f4b8f607a31 revlogdeltas: move special cases around raw revisions in finddeltainfo
Boris Feld <boris.feld@octobus.net>
parents: 39330
diff changeset
2353 deltainfo = deltacomputer.finddeltainfo(revinfo, fh)
35634
b43578ec483a revlog: refactor out the selection of candidate revisions
Paul Morelle <paul.morelle@octobus.net>
parents: 35521
diff changeset
2354
46709
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
2355 if sidedata:
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
2356 serialized_sidedata = sidedatautil.serialize_sidedata(sidedata)
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
2357 sidedata_offset = offset + deltainfo.deltalen
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
2358 else:
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
2359 serialized_sidedata = b""
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
2360 # Don't store the offset if the sidedata is empty, that way
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
2361 # we can easily detect empty sidedata and they will be no different
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
2362 # than ones we manually add.
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
2363 sidedata_offset = 0
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
2364
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2365 e = (
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2366 offset_type(offset, flags),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2367 deltainfo.deltalen,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2368 textlen,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2369 deltainfo.base,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2370 link,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2371 p1r,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2372 p2r,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2373 node,
46709
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
2374 sidedata_offset,
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
2375 len(serialized_sidedata),
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2376 )
46704
913485776542 revlog: introduce v2 format
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46607
diff changeset
2377
913485776542 revlog: introduce v2 format
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46607
diff changeset
2378 if self.version & 0xFFFF != REVLOGV2:
913485776542 revlog: introduce v2 format
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46607
diff changeset
2379 e = e[:8]
913485776542 revlog: introduce v2 format
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46607
diff changeset
2380
38850
6104b203bec8 index: replace insert(-1, e) method by append(e) method
Martin von Zweigbergk <martinvonz@google.com>
parents: 38849
diff changeset
2381 self.index.append(e)
5338
f87685355c9c revlog: fix revlogio.packentry corner case
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5325
diff changeset
2382 entry = self._io.packentry(e, self.node, self.version, curr)
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2383 self._writeentry(
46709
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
2384 transaction,
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
2385 ifh,
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
2386 dfh,
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
2387 entry,
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
2388 deltainfo.data,
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
2389 link,
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
2390 offset,
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
2391 serialized_sidedata,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2392 )
39333
5d343a24bff5 revlogdeltas: always return a delta info object in finddeltainfo
Boris Feld <boris.feld@octobus.net>
parents: 39332
diff changeset
2393
5d343a24bff5 revlogdeltas: always return a delta info object in finddeltainfo
Boris Feld <boris.feld@octobus.net>
parents: 39332
diff changeset
2394 rawtext = btext[0]
20217
33394f2e331e revlog: move file writing to a separate function
Durham Goode <durham@fb.com>
parents: 20180
diff changeset
2395
31755
ec48d57de110 revlog: make _addrevision only accept rawtext
Jun Wu <quark@fb.com>
parents: 31754
diff changeset
2396 if alwayscache and rawtext is None:
39192
dbc5ead9f40f revlog: fix typo in 'buildtext' name
Boris Feld <boris.feld@octobus.net>
parents: 39191
diff changeset
2397 rawtext = deltacomputer.buildtext(revinfo, fh)
26243
836291420d53 revlog: optionally cache the full text when adding revisions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26242
diff changeset
2398
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2399 if type(rawtext) == bytes: # only accept immutable objects
40052
55db747a21ad revlog: rename _cache to _revisioncache
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40010
diff changeset
2400 self._revisioncache = (node, curr, rawtext)
39333
5d343a24bff5 revlogdeltas: always return a delta info object in finddeltainfo
Boris Feld <boris.feld@octobus.net>
parents: 39332
diff changeset
2401 self._chainbasecache[curr] = deltainfo.chainbase
46506
07984507d553 revlog: change _addrevision to return the new revision
Joerg Sonnenberger <joerg@bec.de>
parents: 46469
diff changeset
2402 return curr
20217
33394f2e331e revlog: move file writing to a separate function
Durham Goode <durham@fb.com>
parents: 20180
diff changeset
2403
46710
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46709
diff changeset
2404 def _get_data_offset(self, prev):
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46709
diff changeset
2405 """Returns the current offset in the (in-transaction) data file.
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46709
diff changeset
2406 Versions < 2 of the revlog can get this 0(1), revlog v2 needs a docket
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46709
diff changeset
2407 file to store that information: since sidedata can be rewritten to the
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46709
diff changeset
2408 end of the data file within a transaction, you can have cases where, for
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46709
diff changeset
2409 example, rev `n` does not have sidedata while rev `n - 1` does, leading
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46709
diff changeset
2410 to `n - 1`'s sidedata being written after `n`'s data.
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46709
diff changeset
2411
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46709
diff changeset
2412 TODO cache this in a docket file before getting out of experimental."""
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46709
diff changeset
2413 if self.version & 0xFFFF != REVLOGV2:
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46709
diff changeset
2414 return self.end(prev)
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46709
diff changeset
2415
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46709
diff changeset
2416 offset = 0
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46709
diff changeset
2417 for rev, entry in enumerate(self.index):
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46709
diff changeset
2418 sidedata_end = entry[8] + entry[9]
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46709
diff changeset
2419 # Sidedata for a previous rev has potentially been written after
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46709
diff changeset
2420 # this rev's end, so take the max.
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46709
diff changeset
2421 offset = max(self.end(rev), offset, sidedata_end)
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46709
diff changeset
2422 return offset
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46709
diff changeset
2423
46709
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
2424 def _writeentry(
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
2425 self, transaction, ifh, dfh, entry, data, link, offset, sidedata
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
2426 ):
27430
e240e914d226 revlog: seek to end of file before writing (issue4943)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26705
diff changeset
2427 # 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
2428 # 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
2429 # 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
2430 # 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
2431 # 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
2432 # 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
2433 # 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
2434 #
e240e914d226 revlog: seek to end of file before writing (issue4943)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26705
diff changeset
2435 # We work around this issue by inserting a seek() before writing.
40627
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40626
diff changeset
2436 # Note: This is likely not necessary on Python 3. However, because
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40626
diff changeset
2437 # the file handle is reused for reads and may be seeked there, we need
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40626
diff changeset
2438 # to be careful before changing this.
27430
e240e914d226 revlog: seek to end of file before writing (issue4943)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26705
diff changeset
2439 ifh.seek(0, os.SEEK_END)
27441
e47841c8343d revlog: fix bad indentation (replace tab by space)
Martin von Zweigbergk <martinvonz@google.com>
parents: 27430
diff changeset
2440 if dfh:
27430
e240e914d226 revlog: seek to end of file before writing (issue4943)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26705
diff changeset
2441 dfh.seek(0, os.SEEK_END)
e240e914d226 revlog: seek to end of file before writing (issue4943)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26705
diff changeset
2442
20217
33394f2e331e revlog: move file writing to a separate function
Durham Goode <durham@fb.com>
parents: 20180
diff changeset
2443 curr = len(self) - 1
4982
9672e3c42b0c revlog: change _inline from a function to a variable
Matt Mackall <mpm@selenic.com>
parents: 4981
diff changeset
2444 if not self._inline:
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
2445 transaction.add(self.datafile, offset)
4981
e7131935fbb3 revlog: simplify addrevision
Matt Mackall <mpm@selenic.com>
parents: 4980
diff changeset
2446 transaction.add(self.indexfile, curr * len(entry))
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
2447 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
2448 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
2449 dfh.write(data[1])
46709
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
2450 if sidedata:
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
2451 dfh.write(sidedata)
4981
e7131935fbb3 revlog: simplify addrevision
Matt Mackall <mpm@selenic.com>
parents: 4980
diff changeset
2452 ifh.write(entry)
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
2453 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
2454 offset += curr * self.index.entry_size
45869
63edc384d3b7 transaction: drop per-file extra data support
Joerg Sonnenberger <joerg@bec.de>
parents: 45864
diff changeset
2455 transaction.add(self.indexfile, offset)
4981
e7131935fbb3 revlog: simplify addrevision
Matt Mackall <mpm@selenic.com>
parents: 4980
diff changeset
2456 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
2457 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
2458 ifh.write(data[1])
46709
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
2459 if sidedata:
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46704
diff changeset
2460 ifh.write(sidedata)
35974
9ba1d0c724e2 revlog: rename 'self.checkinlinesize' into '_enforceinlinesize'
Boris Feld <boris.feld@octobus.net>
parents: 35973
diff changeset
2461 self._enforceinlinesize(transaction, ifh)
44308
5962fd0d1045 nodemap: write nodemap data on disk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44073
diff changeset
2462 nodemaputil.setup_persistent_nodemap(transaction, self)
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
2463
45788
a5206e71c536 revlog: extend addgroup() with callback for duplicates
Joerg Sonnenberger <joerg@bec.de>
parents: 45779
diff changeset
2464 def addgroup(
a5206e71c536 revlog: extend addgroup() with callback for duplicates
Joerg Sonnenberger <joerg@bec.de>
parents: 45779
diff changeset
2465 self,
a5206e71c536 revlog: extend addgroup() with callback for duplicates
Joerg Sonnenberger <joerg@bec.de>
parents: 45779
diff changeset
2466 deltas,
a5206e71c536 revlog: extend addgroup() with callback for duplicates
Joerg Sonnenberger <joerg@bec.de>
parents: 45779
diff changeset
2467 linkmapper,
a5206e71c536 revlog: extend addgroup() with callback for duplicates
Joerg Sonnenberger <joerg@bec.de>
parents: 45779
diff changeset
2468 transaction,
46373
711ba0f1057e revlog: decouple caching from addrevision callback for addgroup
Joerg Sonnenberger <joerg@bec.de>
parents: 46310
diff changeset
2469 alwayscache=False,
45788
a5206e71c536 revlog: extend addgroup() with callback for duplicates
Joerg Sonnenberger <joerg@bec.de>
parents: 45779
diff changeset
2470 addrevisioncb=None,
a5206e71c536 revlog: extend addgroup() with callback for duplicates
Joerg Sonnenberger <joerg@bec.de>
parents: 45779
diff changeset
2471 duplicaterevisioncb=None,
a5206e71c536 revlog: extend addgroup() with callback for duplicates
Joerg Sonnenberger <joerg@bec.de>
parents: 45779
diff changeset
2472 ):
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
2473 """
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
2474 add a delta group
46
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
2475
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
2476 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
2477 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
2478 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
2479
00e3f909907f revlog: add support for a callback whenever revisions are added
Gregory Szorc <gregory.szorc@gmail.com>
parents: 25660
diff changeset
2480 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
2481 this revlog and the node that was added.
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
2482 """
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
2483
40627
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40626
diff changeset
2484 if self._writinghandles:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2485 raise error.ProgrammingError(b'cannot nest addgroup() calls')
40627
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40626
diff changeset
2486
12624
557988c691d1 revlog.addgroup(): always use _addrevision() to add new revlog entries
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 12623
diff changeset
2487 r = len(self)
557988c691d1 revlog.addgroup(): always use _addrevision() to add new revlog entries
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 12623
diff changeset
2488 end = 0
46
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
2489 if r:
12624
557988c691d1 revlog.addgroup(): always use _addrevision() to add new revlog entries
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 12623
diff changeset
2490 end = self.end(r - 1)
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2491 ifh = self._indexfp(b"a+")
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
2492 isize = r * self.index.entry_size
4982
9672e3c42b0c revlog: change _inline from a function to a variable
Matt Mackall <mpm@selenic.com>
parents: 4981
diff changeset
2493 if self._inline:
45869
63edc384d3b7 transaction: drop per-file extra data support
Joerg Sonnenberger <joerg@bec.de>
parents: 45864
diff changeset
2494 transaction.add(self.indexfile, end + isize)
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
2495 dfh = None
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
2496 else:
45869
63edc384d3b7 transaction: drop per-file extra data support
Joerg Sonnenberger <joerg@bec.de>
parents: 45864
diff changeset
2497 transaction.add(self.indexfile, isize)
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
2498 transaction.add(self.datafile, end)
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2499 dfh = self._datafp(b"a+")
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2500
24255
4bfe9f2d9761 revlog: addgroup checks if incoming deltas add censored revs, sets flag bit
Mike Edgar <adgar@google.com>
parents: 24123
diff changeset
2501 def flush():
4bfe9f2d9761 revlog: addgroup checks if incoming deltas add censored revs, sets flag bit
Mike Edgar <adgar@google.com>
parents: 24123
diff changeset
2502 if dfh:
4bfe9f2d9761 revlog: addgroup checks if incoming deltas add censored revs, sets flag bit
Mike Edgar <adgar@google.com>
parents: 24123
diff changeset
2503 dfh.flush()
4bfe9f2d9761 revlog: addgroup checks if incoming deltas add censored revs, sets flag bit
Mike Edgar <adgar@google.com>
parents: 24123
diff changeset
2504 ifh.flush()
40627
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40626
diff changeset
2505
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40626
diff changeset
2506 self._writinghandles = (ifh, dfh)
45788
a5206e71c536 revlog: extend addgroup() with callback for duplicates
Joerg Sonnenberger <joerg@bec.de>
parents: 45779
diff changeset
2507 empty = True
40627
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40626
diff changeset
2508
6261
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6228
diff changeset
2509 try:
39330
655b5b465953 revlog: split functionality related to deltas computation in a new module
Boris Feld <boris.feld@octobus.net>
parents: 39329
diff changeset
2510 deltacomputer = deltautil.deltacomputer(self)
6261
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6228
diff changeset
2511 # loop through our set of deltas
34148
c8b6ed51386b changegroup: remove changegroup dependency from revlog.addgroup
Durham Goode <durham@fb.com>
parents: 34147
diff changeset
2512 for data in deltas:
46711
a41565bef69f changegroup: add v4 changegroup for revlog v2 exchange
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46710
diff changeset
2513 node, p1, p2, linknode, deltabase, delta, flags, sidedata = data
34291
1db9abf407c5 revlog: add revmap back to revlog.addgroup
Durham Goode <durham@fb.com>
parents: 34250
diff changeset
2514 link = linkmapper(linknode)
34148
c8b6ed51386b changegroup: remove changegroup dependency from revlog.addgroup
Durham Goode <durham@fb.com>
parents: 34147
diff changeset
2515 flags = flags or REVIDX_DEFAULT_FLAGS
12336
9d234f7d8a77 bundle: move chunk parsing into unbundle class
Matt Mackall <mpm@selenic.com>
parents: 12335
diff changeset
2516
46509
7a93b7b3dc2d revlog: change addgroup callbacks to take revision numbers
Joerg Sonnenberger <joerg@bec.de>
parents: 46508
diff changeset
2517 rev = self.index.get_rev(node)
7a93b7b3dc2d revlog: change addgroup callbacks to take revision numbers
Joerg Sonnenberger <joerg@bec.de>
parents: 46508
diff changeset
2518 if rev is not None:
45788
a5206e71c536 revlog: extend addgroup() with callback for duplicates
Joerg Sonnenberger <joerg@bec.de>
parents: 45779
diff changeset
2519 # this can happen if two branches make the same change
46509
7a93b7b3dc2d revlog: change addgroup callbacks to take revision numbers
Joerg Sonnenberger <joerg@bec.de>
parents: 46508
diff changeset
2520 self._nodeduplicatecallback(transaction, rev)
45788
a5206e71c536 revlog: extend addgroup() with callback for duplicates
Joerg Sonnenberger <joerg@bec.de>
parents: 45779
diff changeset
2521 if duplicaterevisioncb:
46509
7a93b7b3dc2d revlog: change addgroup callbacks to take revision numbers
Joerg Sonnenberger <joerg@bec.de>
parents: 46508
diff changeset
2522 duplicaterevisioncb(self, rev)
45788
a5206e71c536 revlog: extend addgroup() with callback for duplicates
Joerg Sonnenberger <joerg@bec.de>
parents: 45779
diff changeset
2523 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
2524 continue
192
5d8553352d2e Changes to network protocol
mpm@selenic.com
parents: 155
diff changeset
2525
6261
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6228
diff changeset
2526 for p in (p1, p2):
43536
bf6fa330e0a5 index: use `index.has_node` in `revlog.addgroup`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43535
diff changeset
2527 if not self.index.has_node(p):
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2528 raise error.LookupError(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2529 p, self.indexfile, _(b'unknown parent')
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2530 )
46
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
2531
43536
bf6fa330e0a5 index: use `index.has_node` in `revlog.addgroup`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43535
diff changeset
2532 if not self.index.has_node(deltabase):
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2533 raise error.LookupError(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2534 deltabase, self.indexfile, _(b'unknown delta base')
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2535 )
46
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
2536
14141
bd1cbfe5db5c bundler: make parsechunk return the base revision of the delta
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 14075
diff changeset
2537 baserev = self.rev(deltabase)
24120
a450e0a2ba0a revlog: in addgroup, reject ill-formed deltas based on censored nodes
Mike Edgar <adgar@google.com>
parents: 24118
diff changeset
2538
a450e0a2ba0a revlog: in addgroup, reject ill-formed deltas based on censored nodes
Mike Edgar <adgar@google.com>
parents: 24118
diff changeset
2539 if baserev != nullrev and self.iscensored(baserev):
a450e0a2ba0a revlog: in addgroup, reject ill-formed deltas based on censored nodes
Mike Edgar <adgar@google.com>
parents: 24118
diff changeset
2540 # if base is censored, delta must be full replacement in a
a450e0a2ba0a revlog: in addgroup, reject ill-formed deltas based on censored nodes
Mike Edgar <adgar@google.com>
parents: 24118
diff changeset
2541 # single patch operation
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2542 hlen = struct.calcsize(b">lll")
24120
a450e0a2ba0a revlog: in addgroup, reject ill-formed deltas based on censored nodes
Mike Edgar <adgar@google.com>
parents: 24118
diff changeset
2543 oldlen = self.rawsize(baserev)
a450e0a2ba0a revlog: in addgroup, reject ill-formed deltas based on censored nodes
Mike Edgar <adgar@google.com>
parents: 24118
diff changeset
2544 newlen = len(delta) - hlen
a450e0a2ba0a revlog: in addgroup, reject ill-formed deltas based on censored nodes
Mike Edgar <adgar@google.com>
parents: 24118
diff changeset
2545 if delta[:hlen] != mdiff.replacediffheader(oldlen, newlen):
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2546 raise error.CensoredBaseError(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2547 self.indexfile, self.node(baserev)
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2548 )
24120
a450e0a2ba0a revlog: in addgroup, reject ill-formed deltas based on censored nodes
Mike Edgar <adgar@google.com>
parents: 24118
diff changeset
2549
27433
12f727a5b434 changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents: 27431
diff changeset
2550 if not flags and self._peek_iscensored(baserev, delta, flush):
24255
4bfe9f2d9761 revlog: addgroup checks if incoming deltas add censored revs, sets flag bit
Mike Edgar <adgar@google.com>
parents: 24123
diff changeset
2551 flags |= REVIDX_ISCENSORED
4bfe9f2d9761 revlog: addgroup checks if incoming deltas add censored revs, sets flag bit
Mike Edgar <adgar@google.com>
parents: 24123
diff changeset
2552
26243
836291420d53 revlog: optionally cache the full text when adding revisions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26242
diff changeset
2553 # We assume consumers of addrevisioncb will want to retrieve
836291420d53 revlog: optionally cache the full text when adding revisions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26242
diff changeset
2554 # the added revision, which will require a call to
836291420d53 revlog: optionally cache the full text when adding revisions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26242
diff changeset
2555 # revision(). revision() will fast path if there is a cache
836291420d53 revlog: optionally cache the full text when adding revisions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26242
diff changeset
2556 # hit. So, we tell _addrevision() to always cache in this case.
30743
2df983125d37 revlog: add 'raw' argument to revision and _addrevision
Remi Chaintron <remi@fb.com>
parents: 30584
diff changeset
2557 # We're only using addgroup() in the context of changegroup
2df983125d37 revlog: add 'raw' argument to revision and _addrevision
Remi Chaintron <remi@fb.com>
parents: 30584
diff changeset
2558 # generation so the revision data can always be handled as raw
2df983125d37 revlog: add 'raw' argument to revision and _addrevision
Remi Chaintron <remi@fb.com>
parents: 30584
diff changeset
2559 # by the flagprocessor.
46509
7a93b7b3dc2d revlog: change addgroup callbacks to take revision numbers
Joerg Sonnenberger <joerg@bec.de>
parents: 46508
diff changeset
2560 rev = self._addrevision(
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2561 node,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2562 None,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2563 transaction,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2564 link,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2565 p1,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2566 p2,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2567 flags,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2568 (baserev, delta),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2569 ifh,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2570 dfh,
46373
711ba0f1057e revlog: decouple caching from addrevision callback for addgroup
Joerg Sonnenberger <joerg@bec.de>
parents: 46310
diff changeset
2571 alwayscache=alwayscache,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2572 deltacomputer=deltacomputer,
46712
e8c11a2c96c0 delta: add sidedata field to revision delta
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46711
diff changeset
2573 sidedata=sidedata,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2574 )
25822
00e3f909907f revlog: add support for a callback whenever revisions are added
Gregory Szorc <gregory.szorc@gmail.com>
parents: 25660
diff changeset
2575
00e3f909907f revlog: add support for a callback whenever revisions are added
Gregory Szorc <gregory.szorc@gmail.com>
parents: 25660
diff changeset
2576 if addrevisioncb:
46509
7a93b7b3dc2d revlog: change addgroup callbacks to take revision numbers
Joerg Sonnenberger <joerg@bec.de>
parents: 46508
diff changeset
2577 addrevisioncb(self, rev)
45788
a5206e71c536 revlog: extend addgroup() with callback for duplicates
Joerg Sonnenberger <joerg@bec.de>
parents: 45779
diff changeset
2578 empty = False
25822
00e3f909907f revlog: add support for a callback whenever revisions are added
Gregory Szorc <gregory.szorc@gmail.com>
parents: 25660
diff changeset
2579
12624
557988c691d1 revlog.addgroup(): always use _addrevision() to add new revlog entries
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 12623
diff changeset
2580 if not dfh and not self._inline:
557988c691d1 revlog.addgroup(): always use _addrevision() to add new revlog entries
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 12623
diff changeset
2581 # addrevision switched from inline to conventional
557988c691d1 revlog.addgroup(): always use _addrevision() to add new revlog entries
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 12623
diff changeset
2582 # reopen the index
13400
14f3795a5ed7 explicitly close files
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 13284
diff changeset
2583 ifh.close()
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2584 dfh = self._datafp(b"a+")
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2585 ifh = self._indexfp(b"a+")
40627
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40626
diff changeset
2586 self._writinghandles = (ifh, dfh)
6261
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6228
diff changeset
2587 finally:
40627
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40626
diff changeset
2588 self._writinghandles = None
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40626
diff changeset
2589
6261
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6228
diff changeset
2590 if dfh:
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6228
diff changeset
2591 dfh.close()
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6228
diff changeset
2592 ifh.close()
45788
a5206e71c536 revlog: extend addgroup() with callback for duplicates
Joerg Sonnenberger <joerg@bec.de>
parents: 45779
diff changeset
2593 return not empty
1493
1a216cb4ee64 verify: add check for mismatch of index and data length
Matt Mackall <mpm@selenic.com>
parents: 1469
diff changeset
2594
24118
76f6ae06ddf5 revlog: add "iscensored()" to revlog public API
Mike Edgar <adgar@google.com>
parents: 24030
diff changeset
2595 def iscensored(self, rev):
76f6ae06ddf5 revlog: add "iscensored()" to revlog public API
Mike Edgar <adgar@google.com>
parents: 24030
diff changeset
2596 """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
2597 if not self._censorable:
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
2598 return False
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
2599
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
2600 return self.flags(rev) & REVIDX_ISCENSORED
24118
76f6ae06ddf5 revlog: add "iscensored()" to revlog public API
Mike Edgar <adgar@google.com>
parents: 24030
diff changeset
2601
24255
4bfe9f2d9761 revlog: addgroup checks if incoming deltas add censored revs, sets flag bit
Mike Edgar <adgar@google.com>
parents: 24123
diff changeset
2602 def _peek_iscensored(self, baserev, delta, flush):
4bfe9f2d9761 revlog: addgroup checks if incoming deltas add censored revs, sets flag bit
Mike Edgar <adgar@google.com>
parents: 24123
diff changeset
2603 """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
2604 if not self._censorable:
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
2605 return False
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
2606
40325
b0fbd1792e2d storageutil: extract most of peek_censored from revlog
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40298
diff changeset
2607 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
2608
20074
5fc2ae1c631b strip: add faster revlog strip computation
Durham Goode <durham@fb.com>
parents: 20073
diff changeset
2609 def getstrippoint(self, minlink):
5fc2ae1c631b strip: add faster revlog strip computation
Durham Goode <durham@fb.com>
parents: 20073
diff changeset
2610 """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
2611
5fc2ae1c631b strip: add faster revlog strip computation
Durham Goode <durham@fb.com>
parents: 20073
diff changeset
2612 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
2613 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
2614 """
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2615 return storageutil.resolvestripinfo(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2616 minlink,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2617 len(self) - 1,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2618 self.headrevs(),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2619 self.linkrev,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2620 self.parentrevs,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2621 )
20074
5fc2ae1c631b strip: add faster revlog strip computation
Durham Goode <durham@fb.com>
parents: 20073
diff changeset
2622
8073
e8a28556a0a8 strip: make repair.strip transactional to avoid repository corruption
Henrik Stuart <henrik.stuart@edlund.dk>
parents: 8017
diff changeset
2623 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
2624 """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
2625
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5909
diff changeset
2626 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
2627 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
2628
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5909
diff changeset
2629 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
2630 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
2631 strip.
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5909
diff changeset
2632
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5909
diff changeset
2633 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
2634 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
2635 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
2636 """
6750
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog
Matt Mackall <mpm@selenic.com>
parents: 6703
diff changeset
2637 if len(self) == 0:
1535
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
2638 return
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
2639
20074
5fc2ae1c631b strip: add faster revlog strip computation
Durham Goode <durham@fb.com>
parents: 20073
diff changeset
2640 rev, _ = self.getstrippoint(minlink)
5fc2ae1c631b strip: add faster revlog strip computation
Durham Goode <durham@fb.com>
parents: 20073
diff changeset
2641 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
2642 return
1535
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
2643
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
2644 # first truncate the files on disk
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
2645 end = self.start(rev)
4982
9672e3c42b0c revlog: change _inline from a function to a variable
Matt Mackall <mpm@selenic.com>
parents: 4981
diff changeset
2646 if not self._inline:
8073
e8a28556a0a8 strip: make repair.strip transactional to avoid repository corruption
Henrik Stuart <henrik.stuart@edlund.dk>
parents: 8017
diff changeset
2647 transaction.add(self.datafile, 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
2648 end = rev * self.index.entry_size
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
2649 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
2650 end += rev * self.index.entry_size
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
2651
8073
e8a28556a0a8 strip: make repair.strip transactional to avoid repository corruption
Henrik Stuart <henrik.stuart@edlund.dk>
parents: 8017
diff changeset
2652 transaction.add(self.indexfile, end)
1535
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
2653
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
2654 # then reset internal state in memory to forget those revisions
40052
55db747a21ad revlog: rename _cache to _revisioncache
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40010
diff changeset
2655 self._revisioncache = None
45779
8719a5b68419 revlog: use LRU for the chain cache
Joerg Sonnenberger <joerg@bec.de>
parents: 45735
diff changeset
2656 self._chaininfocache = util.lrucachedict(500)
8650
ef393d6ec030 revlog: refactor chunk cache interface again
Matt Mackall <mpm@selenic.com>
parents: 8643
diff changeset
2657 self._chunkclear()
1535
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
2658
4979
06abdaf78788 revlog: add a magic null revision to our index
Matt Mackall <mpm@selenic.com>
parents: 4978
diff changeset
2659 del self.index[rev:-1]
1535
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
2660
1493
1a216cb4ee64 verify: add check for mismatch of index and data length
Matt Mackall <mpm@selenic.com>
parents: 1469
diff changeset
2661 def checksize(self):
41872
3f3f962457b2 revlog: add some documentation to the `checksize` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41857
diff changeset
2662 """Check size of index and data files
3f3f962457b2 revlog: add some documentation to the `checksize` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41857
diff changeset
2663
3f3f962457b2 revlog: add some documentation to the `checksize` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41857
diff changeset
2664 return a (dd, di) tuple.
3f3f962457b2 revlog: add some documentation to the `checksize` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41857
diff changeset
2665 - dd: extra bytes for the "data" file
3f3f962457b2 revlog: add some documentation to the `checksize` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41857
diff changeset
2666 - di: extra bytes for the "index" file
3f3f962457b2 revlog: add some documentation to the `checksize` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41857
diff changeset
2667
3f3f962457b2 revlog: add some documentation to the `checksize` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41857
diff changeset
2668 A healthy revlog will return (0, 0).
3f3f962457b2 revlog: add some documentation to the `checksize` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41857
diff changeset
2669 """
1493
1a216cb4ee64 verify: add check for mismatch of index and data length
Matt Mackall <mpm@selenic.com>
parents: 1469
diff changeset
2670 expected = 0
6750
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog
Matt Mackall <mpm@selenic.com>
parents: 6703
diff changeset
2671 if len(self):
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog
Matt Mackall <mpm@selenic.com>
parents: 6703
diff changeset
2672 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
2673
1494
249ca10d37f4 Handle empty logs in repo.checksize
Matt Mackall <mpm@selenic.com>
parents: 1493
diff changeset
2674 try:
35972
82afb1a5ed94 revlog: use context manager for data file lifetime in checksize
Boris Feld <boris.feld@octobus.net>
parents: 35971
diff changeset
2675 with self._datafp() as f:
42567
4eaf7197a740 cleanup: use named constants for second arg to .seek()
Augie Fackler <augie@google.com>
parents: 42462
diff changeset
2676 f.seek(0, io.SEEK_END)
35972
82afb1a5ed94 revlog: use context manager for data file lifetime in checksize
Boris Feld <boris.feld@octobus.net>
parents: 35971
diff changeset
2677 actual = f.tell()
1667
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
2678 dd = actual - expected
25660
328739ea70c3 global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents: 25459
diff changeset
2679 except IOError as inst:
1667
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
2680 if inst.errno != errno.ENOENT:
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
2681 raise
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
2682 dd = 0
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
2683
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
2684 try:
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
2685 f = self.opener(self.indexfile)
42567
4eaf7197a740 cleanup: use named constants for second arg to .seek()
Augie Fackler <augie@google.com>
parents: 42462
diff changeset
2686 f.seek(0, io.SEEK_END)
1667
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
2687 actual = f.tell()
13400
14f3795a5ed7 explicitly close files
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 13284
diff changeset
2688 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
2689 s = self.index.entry_size
9029
0001e49f1c11 compat: use // for integer division
Alejandro Santos <alejolp@alejolp.com>
parents: 8658
diff changeset
2690 i = max(0, actual // s)
1667
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
2691 di = actual - (i * s)
4982
9672e3c42b0c revlog: change _inline from a function to a variable
Matt Mackall <mpm@selenic.com>
parents: 4981
diff changeset
2692 if self._inline:
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
2693 databytes = 0
6750
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog
Matt Mackall <mpm@selenic.com>
parents: 6703
diff changeset
2694 for r in self:
5312
fb070713ff36 revlog: more robust for damaged indexes
Matt Mackall <mpm@selenic.com>
parents: 5007
diff changeset
2695 databytes += max(0, self.length(r))
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
2696 dd = 0
6750
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog
Matt Mackall <mpm@selenic.com>
parents: 6703
diff changeset
2697 di = actual - len(self) * s - databytes
25660
328739ea70c3 global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents: 25459
diff changeset
2698 except IOError as inst:
1667
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
2699 if inst.errno != errno.ENOENT:
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
2700 raise
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
2701 di = 0
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
2702
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
2703 return (dd, di)
6891
22cb82433842 revlog: add files method
Adrian Buehlmann <adrian@cadifra.com>
parents: 6872
diff changeset
2704
22cb82433842 revlog: add files method
Adrian Buehlmann <adrian@cadifra.com>
parents: 6872
diff changeset
2705 def files(self):
10282
08a0f04b56bd many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents: 10264
diff changeset
2706 res = [self.indexfile]
6891
22cb82433842 revlog: add files method
Adrian Buehlmann <adrian@cadifra.com>
parents: 6872
diff changeset
2707 if not self._inline:
22cb82433842 revlog: add files method
Adrian Buehlmann <adrian@cadifra.com>
parents: 6872
diff changeset
2708 res.append(self.datafile)
22cb82433842 revlog: add files method
Adrian Buehlmann <adrian@cadifra.com>
parents: 6872
diff changeset
2709 return res
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2710
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2711 def emitrevisions(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2712 self,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2713 nodes,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2714 nodesorder=None,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2715 revisiondata=False,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2716 assumehaveparentrevisions=False,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2717 deltamode=repository.CG_DELTAMODE_STD,
46715
45f0d5297698 changegroupv4: add sidedata helpers
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46712
diff changeset
2718 sidedata_helpers=None,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2719 ):
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2720 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
2721 raise error.ProgrammingError(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2722 b'unhandled value for nodesorder: %s' % nodesorder
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2723 )
39862
5a9ab91e0a45 revlog: new API to emit revision data
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39845
diff changeset
2724
5a9ab91e0a45 revlog: new API to emit revision data
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39845
diff changeset
2725 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
2726 nodesorder = b'storage'
39862
5a9ab91e0a45 revlog: new API to emit revision data
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39845
diff changeset
2727
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2728 if (
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2729 not self._storedeltachains
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2730 and deltamode != repository.CG_DELTAMODE_PREV
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2731 ):
40427
59a870a4ad6e changegroup: refactor emitrevision to use a `deltamode` argument
Boris Feld <boris.feld@octobus.net>
parents: 40325
diff changeset
2732 deltamode = repository.CG_DELTAMODE_FULL
59a870a4ad6e changegroup: refactor emitrevision to use a `deltamode` argument
Boris Feld <boris.feld@octobus.net>
parents: 40325
diff changeset
2733
40008
842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40004
diff changeset
2734 return storageutil.emitrevisions(
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2735 self,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2736 nodes,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2737 nodesorder,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2738 revlogrevisiondelta,
40008
842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40004
diff changeset
2739 deltaparentfn=self.deltaparent,
842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40004
diff changeset
2740 candeltafn=self.candelta,
842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40004
diff changeset
2741 rawsizefn=self.rawsize,
842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40004
diff changeset
2742 revdifffn=self.revdiff,
842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40004
diff changeset
2743 flagsfn=self.flags,
40427
59a870a4ad6e changegroup: refactor emitrevision to use a `deltamode` argument
Boris Feld <boris.feld@octobus.net>
parents: 40325
diff changeset
2744 deltamode=deltamode,
40008
842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40004
diff changeset
2745 revisiondata=revisiondata,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2746 assumehaveparentrevisions=assumehaveparentrevisions,
46715
45f0d5297698 changegroupv4: add sidedata helpers
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46712
diff changeset
2747 sidedata_helpers=sidedata_helpers,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2748 )
39862
5a9ab91e0a45 revlog: new API to emit revision data
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39845
diff changeset
2749
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2750 DELTAREUSEALWAYS = b'always'
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2751 DELTAREUSESAMEREVS = b'samerevs'
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2752 DELTAREUSENEVER = b'never'
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2753
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2754 DELTAREUSEFULLADD = b'fulladd'
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2755
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2756 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
2757
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2758 def clone(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2759 self,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2760 tr,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2761 destrevlog,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2762 addrevisioncb=None,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2763 deltareuse=DELTAREUSESAMEREVS,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2764 forcedeltabothparents=None,
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
2765 sidedatacompanion=None,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2766 ):
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2767 """Copy this revlog to another, possibly with format changes.
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2768
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2769 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
2770 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
2771 differences.
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2772
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2773 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
2774 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
2775 following values:
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2776
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2777 DELTAREUSEALWAYS
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2778 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
2779 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
2780 fastest mode of operation.
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2781 DELTAREUSESAMEREVS
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2782 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
2783 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
2784 and optimization.
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2785 DELTAREUSENEVER
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2786 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
2787 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
2788 algorithm changes).
42997
6510c7830838 upgrade: document DELTAREUSEFULLADD in revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42996
diff changeset
2789 DELTAREUSEFULLADD
6510c7830838 upgrade: document DELTAREUSEFULLADD in revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42996
diff changeset
2790 Revision will be re-added as if their were new content. This is
6510c7830838 upgrade: document DELTAREUSEFULLADD in revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42996
diff changeset
2791 slower than DELTAREUSEALWAYS but allow more mechanism to kicks in.
6510c7830838 upgrade: document DELTAREUSEFULLADD in revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42996
diff changeset
2792 eg: large file detection and handling.
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2793
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2794 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
2795 significantly affect run time.
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2796
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2797 The default policy (``DELTAREUSESAMEREVS``) strikes a balance between
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2798 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
2799 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
2800 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
2801 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
2802 revision.
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2803
40837
64051af15596 upgrade: clarify "aggressivemergedelta" handling
Boris Feld <boris.feld@octobus.net>
parents: 40738
diff changeset
2804 In addition to the delta policy, the ``forcedeltabothparents``
64051af15596 upgrade: clarify "aggressivemergedelta" handling
Boris Feld <boris.feld@octobus.net>
parents: 40738
diff changeset
2805 argument controls whether to force compute deltas against both parents
64051af15596 upgrade: clarify "aggressivemergedelta" handling
Boris Feld <boris.feld@octobus.net>
parents: 40738
diff changeset
2806 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
2807
3de4d13f22be revlog: add a way to control sidedata changes during revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43117
diff changeset
2808 If not None, the `sidedatacompanion` is callable that accept two
3de4d13f22be revlog: add a way to control sidedata changes during revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43117
diff changeset
2809 arguments:
3de4d13f22be revlog: add a way to control sidedata changes during revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43117
diff changeset
2810
3de4d13f22be revlog: add a way to control sidedata changes during revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43117
diff changeset
2811 (srcrevlog, rev)
3de4d13f22be revlog: add a way to control sidedata changes during revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43117
diff changeset
2812
45735
edf4fa06df94 upgrade: allow sidedata upgrade to modify revision flag
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45671
diff changeset
2813 and return a quintet that control changes to sidedata content from the
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
2814 old revision to the new clone result:
3de4d13f22be revlog: add a way to control sidedata changes during revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43117
diff changeset
2815
45735
edf4fa06df94 upgrade: allow sidedata upgrade to modify revision flag
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45671
diff changeset
2816 (dropall, filterout, update, new_flags, dropped_flags)
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
2817
3de4d13f22be revlog: add a way to control sidedata changes during revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43117
diff changeset
2818 * if `dropall` is True, all sidedata should be dropped
3de4d13f22be revlog: add a way to control sidedata changes during revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43117
diff changeset
2819 * `filterout` is a set of sidedata keys that should be dropped
3de4d13f22be revlog: add a way to control sidedata changes during revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43117
diff changeset
2820 * `update` is a mapping of additionnal/new key -> value
45735
edf4fa06df94 upgrade: allow sidedata upgrade to modify revision flag
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45671
diff changeset
2821 * new_flags is a bitfields of new flags that the revision should get
edf4fa06df94 upgrade: allow sidedata upgrade to modify revision flag
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45671
diff changeset
2822 * dropped_flags is a bitfields of new flags that the revision shoudl not longer have
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2823 """
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2824 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
2825 raise ValueError(
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2826 _(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
2827 )
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2828
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2829 if len(destrevlog):
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2830 raise ValueError(_(b'destination revlog is not empty'))
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2831
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2832 if getattr(self, 'filteredrevs', None):
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2833 raise ValueError(_(b'source revlog has filtered revisions'))
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2834 if getattr(destrevlog, 'filteredrevs', None):
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2835 raise ValueError(_(b'destination revlog has filtered revisions'))
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2836
41857
afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41819
diff changeset
2837 # lazydelta and lazydeltabase controls whether to reuse a cached delta,
afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41819
diff changeset
2838 # if possible.
afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41819
diff changeset
2839 oldlazydelta = destrevlog._lazydelta
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2840 oldlazydeltabase = destrevlog._lazydeltabase
38736
93777d16a25d aggressivemergedeltas: rename variable internally
Boris Feld <boris.feld@octobus.net>
parents: 38718
diff changeset
2841 oldamd = destrevlog._deltabothparents
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2842
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2843 try:
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2844 if deltareuse == self.DELTAREUSEALWAYS:
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2845 destrevlog._lazydeltabase = True
41857
afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41819
diff changeset
2846 destrevlog._lazydelta = True
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2847 elif deltareuse == self.DELTAREUSESAMEREVS:
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2848 destrevlog._lazydeltabase = False
41857
afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41819
diff changeset
2849 destrevlog._lazydelta = True
afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41819
diff changeset
2850 elif deltareuse == self.DELTAREUSENEVER:
afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41819
diff changeset
2851 destrevlog._lazydeltabase = False
afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41819
diff changeset
2852 destrevlog._lazydelta = False
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2853
40837
64051af15596 upgrade: clarify "aggressivemergedelta" handling
Boris Feld <boris.feld@octobus.net>
parents: 40738
diff changeset
2854 destrevlog._deltabothparents = forcedeltabothparents or oldamd
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2855
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2856 self._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
2857 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
2858 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
2859 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
2860 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
2861 forcedeltabothparents,
3de4d13f22be revlog: add a way to control sidedata changes during revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43117
diff changeset
2862 sidedatacompanion,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2863 )
42996
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42995
diff changeset
2864
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2865 finally:
41857
afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41819
diff changeset
2866 destrevlog._lazydelta = oldlazydelta
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2867 destrevlog._lazydeltabase = oldlazydeltabase
38736
93777d16a25d aggressivemergedeltas: rename variable internally
Boris Feld <boris.feld@octobus.net>
parents: 38718
diff changeset
2868 destrevlog._deltabothparents = oldamd
39778
a6b3c4c1019f revlog: move censor logic out of censor extension
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39775
diff changeset
2869
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2870 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
2871 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
2872 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
2873 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
2874 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
2875 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
2876 forcedeltabothparents,
3de4d13f22be revlog: add a way to control sidedata changes during revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43117
diff changeset
2877 sidedatacompanion,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2878 ):
42996
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42995
diff changeset
2879 """perform the core duty of `revlog.clone` after parameter processing"""
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42995
diff changeset
2880 deltacomputer = deltautil.deltacomputer(destrevlog)
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42995
diff changeset
2881 index = self.index
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42995
diff changeset
2882 for rev in self:
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42995
diff changeset
2883 entry = index[rev]
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42995
diff changeset
2884
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42995
diff changeset
2885 # Some classes override linkrev to take filtered revs into
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42995
diff changeset
2886 # account. Use raw entry from index.
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2887 flags = entry[0] & 0xFFFF
42996
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42995
diff changeset
2888 linkrev = entry[4]
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42995
diff changeset
2889 p1 = index[entry[5]][7]
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42995
diff changeset
2890 p2 = index[entry[6]][7]
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42995
diff changeset
2891 node = entry[7]
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42995
diff changeset
2892
45735
edf4fa06df94 upgrade: allow sidedata upgrade to modify revision flag
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45671
diff changeset
2893 sidedataactions = (False, [], {}, 0, 0)
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
2894 if sidedatacompanion is not None:
3de4d13f22be revlog: add a way to control sidedata changes during revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43117
diff changeset
2895 sidedataactions = sidedatacompanion(self, rev)
3de4d13f22be revlog: add a way to control sidedata changes during revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43117
diff changeset
2896
42996
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42995
diff changeset
2897 # (Possibly) reuse the delta from the revlog if allowed and
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42995
diff changeset
2898 # the revlog chunk is a delta.
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42995
diff changeset
2899 cachedelta = None
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42995
diff changeset
2900 rawtext = None
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
2901 if any(sidedataactions) or deltareuse == self.DELTAREUSEFULLADD:
45735
edf4fa06df94 upgrade: allow sidedata upgrade to modify revision flag
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45671
diff changeset
2902 dropall = sidedataactions[0]
edf4fa06df94 upgrade: allow sidedata upgrade to modify revision flag
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45671
diff changeset
2903 filterout = sidedataactions[1]
edf4fa06df94 upgrade: allow sidedata upgrade to modify revision flag
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45671
diff changeset
2904 update = sidedataactions[2]
edf4fa06df94 upgrade: allow sidedata upgrade to modify revision flag
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45671
diff changeset
2905 new_flags = sidedataactions[3]
edf4fa06df94 upgrade: allow sidedata upgrade to modify revision flag
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45671
diff changeset
2906 dropped_flags = sidedataactions[4]
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
2907 text, sidedata = self._revisiondata(rev)
3de4d13f22be revlog: add a way to control sidedata changes during revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43117
diff changeset
2908 if dropall:
3de4d13f22be revlog: add a way to control sidedata changes during revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43117
diff changeset
2909 sidedata = {}
3de4d13f22be revlog: add a way to control sidedata changes during revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43117
diff changeset
2910 for key in filterout:
3de4d13f22be revlog: add a way to control sidedata changes during revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43117
diff changeset
2911 sidedata.pop(key, None)
3de4d13f22be revlog: add a way to control sidedata changes during revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43117
diff changeset
2912 sidedata.update(update)
3de4d13f22be revlog: add a way to control sidedata changes during revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43117
diff changeset
2913 if not sidedata:
3de4d13f22be revlog: add a way to control sidedata changes during revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43117
diff changeset
2914 sidedata = None
45735
edf4fa06df94 upgrade: allow sidedata upgrade to modify revision flag
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45671
diff changeset
2915
edf4fa06df94 upgrade: allow sidedata upgrade to modify revision flag
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45671
diff changeset
2916 flags |= new_flags
edf4fa06df94 upgrade: allow sidedata upgrade to modify revision flag
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45671
diff changeset
2917 flags &= ~dropped_flags
edf4fa06df94 upgrade: allow sidedata upgrade to modify revision flag
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45671
diff changeset
2918
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2919 destrevlog.addrevision(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2920 text,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2921 tr,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2922 linkrev,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2923 p1,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2924 p2,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2925 cachedelta=cachedelta,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2926 node=node,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2927 flags=flags,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2928 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
2929 sidedata=sidedata,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2930 )
42996
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42995
diff changeset
2931 else:
42998
8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
2932 if destrevlog._lazydelta:
8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
2933 dp = self.deltaparent(rev)
8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
2934 if dp != nullrev:
8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
2935 cachedelta = (dp, bytes(self._chunk(rev)))
8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
2936
8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
2937 if not cachedelta:
8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
2938 rawtext = self.rawdata(rev)
8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
2939
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2940 ifh = destrevlog.opener(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2941 destrevlog.indexfile, b'a+', checkambig=False
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2942 )
42996
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42995
diff changeset
2943 dfh = None
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42995
diff changeset
2944 if not destrevlog._inline:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2945 dfh = destrevlog.opener(destrevlog.datafile, b'a+')
42996
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42995
diff changeset
2946 try:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2947 destrevlog._addrevision(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2948 node,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2949 rawtext,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2950 tr,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2951 linkrev,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2952 p1,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2953 p2,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2954 flags,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2955 cachedelta,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2956 ifh,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2957 dfh,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2958 deltacomputer=deltacomputer,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2959 )
42996
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42995
diff changeset
2960 finally:
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42995
diff changeset
2961 if dfh:
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42995
diff changeset
2962 dfh.close()
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42995
diff changeset
2963 ifh.close()
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42995
diff changeset
2964
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42995
diff changeset
2965 if addrevisioncb:
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42995
diff changeset
2966 addrevisioncb(self, rev, node)
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42995
diff changeset
2967
40056
324b4b10351e revlog: rewrite censoring logic
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40055
diff changeset
2968 def censorrevision(self, tr, censornode, tombstone=b''):
39778
a6b3c4c1019f revlog: move censor logic out of censor extension
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39775
diff changeset
2969 if (self.version & 0xFFFF) == REVLOGV0:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2970 raise error.RevlogError(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2971 _(b'cannot censor with version %d revlogs') % self.version
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2972 )
39778
a6b3c4c1019f revlog: move censor logic out of censor extension
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39775
diff changeset
2973
40056
324b4b10351e revlog: rewrite censoring logic
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40055
diff changeset
2974 censorrev = self.rev(censornode)
39878
3e896b51aa5d storageutil: move metadata parsing and packing from revlog (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39877
diff changeset
2975 tombstone = storageutil.packmeta({b'censored': tombstone}, b'')
39778
a6b3c4c1019f revlog: move censor logic out of censor extension
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39775
diff changeset
2976
40056
324b4b10351e revlog: rewrite censoring logic
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40055
diff changeset
2977 if len(tombstone) > self.rawsize(censorrev):
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2978 raise error.Abort(
43117
8ff1ecfadcd1 cleanup: join string literals that are already on one line
Martin von Zweigbergk <martinvonz@google.com>
parents: 43106
diff changeset
2979 _(b'censor tombstone must be no longer than censored data')
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2980 )
39778
a6b3c4c1019f revlog: move censor logic out of censor extension
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39775
diff changeset
2981
40056
324b4b10351e revlog: rewrite censoring logic
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40055
diff changeset
2982 # Rewriting the revlog in place is hard. Our strategy for censoring is
324b4b10351e revlog: rewrite censoring logic
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40055
diff changeset
2983 # to create a new revlog, copy all revisions to it, then replace the
324b4b10351e revlog: rewrite censoring logic
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40055
diff changeset
2984 # revlogs on transaction close.
39778
a6b3c4c1019f revlog: move censor logic out of censor extension
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39775
diff changeset
2985
40056
324b4b10351e revlog: rewrite censoring logic
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40055
diff changeset
2986 newindexfile = self.indexfile + b'.tmpcensored'
324b4b10351e revlog: rewrite censoring logic
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40055
diff changeset
2987 newdatafile = self.datafile + b'.tmpcensored'
39778
a6b3c4c1019f revlog: move censor logic out of censor extension
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39775
diff changeset
2988
40056
324b4b10351e revlog: rewrite censoring logic
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40055
diff changeset
2989 # This is a bit dangerous. We could easily have a mismatch of state.
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2990 newrl = revlog(self.opener, newindexfile, newdatafile, censorable=True)
40056
324b4b10351e revlog: rewrite censoring logic
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40055
diff changeset
2991 newrl.version = self.version
324b4b10351e revlog: rewrite censoring logic
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40055
diff changeset
2992 newrl._generaldelta = self._generaldelta
324b4b10351e revlog: rewrite censoring logic
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40055
diff changeset
2993 newrl._io = self._io
39778
a6b3c4c1019f revlog: move censor logic out of censor extension
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39775
diff changeset
2994
40056
324b4b10351e revlog: rewrite censoring logic
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40055
diff changeset
2995 for rev in self.revs():
324b4b10351e revlog: rewrite censoring logic
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40055
diff changeset
2996 node = self.node(rev)
324b4b10351e revlog: rewrite censoring logic
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40055
diff changeset
2997 p1, p2 = self.parents(node)
39778
a6b3c4c1019f revlog: move censor logic out of censor extension
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39775
diff changeset
2998
40056
324b4b10351e revlog: rewrite censoring logic
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40055
diff changeset
2999 if rev == censorrev:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3000 newrl.addrawrevision(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3001 tombstone,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3002 tr,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3003 self.linkrev(censorrev),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3004 p1,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3005 p2,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3006 censornode,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3007 REVIDX_ISCENSORED,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3008 )
39778
a6b3c4c1019f revlog: move censor logic out of censor extension
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39775
diff changeset
3009
40056
324b4b10351e revlog: rewrite censoring logic
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40055
diff changeset
3010 if newrl.deltaparent(rev) != nullrev:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3011 raise error.Abort(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3012 _(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3013 b'censored revision stored as delta; '
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3014 b'cannot censor'
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3015 ),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3016 hint=_(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3017 b'censoring of revlogs is not '
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3018 b'fully implemented; please report '
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3019 b'this bug'
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3020 ),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3021 )
40056
324b4b10351e revlog: rewrite censoring logic
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40055
diff changeset
3022 continue
39778
a6b3c4c1019f revlog: move censor logic out of censor extension
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39775
diff changeset
3023
40056
324b4b10351e revlog: rewrite censoring logic
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40055
diff changeset
3024 if self.iscensored(rev):
324b4b10351e revlog: rewrite censoring logic
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40055
diff changeset
3025 if self.deltaparent(rev) != nullrev:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3026 raise error.Abort(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3027 _(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3028 b'cannot censor due to censored '
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3029 b'revision having delta stored'
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3030 )
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3031 )
40056
324b4b10351e revlog: rewrite censoring logic
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40055
diff changeset
3032 rawtext = self._chunk(rev)
39778
a6b3c4c1019f revlog: move censor logic out of censor extension
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39775
diff changeset
3033 else:
42768
5a8f2c8edff6 rawdata: update caller in revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42732
diff changeset
3034 rawtext = self.rawdata(rev)
40056
324b4b10351e revlog: rewrite censoring logic
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40055
diff changeset
3035
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3036 newrl.addrawrevision(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3037 rawtext, tr, self.linkrev(rev), p1, p2, node, self.flags(rev)
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3038 )
39778
a6b3c4c1019f revlog: move censor logic out of censor extension
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39775
diff changeset
3039
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3040 tr.addbackup(self.indexfile, location=b'store')
40056
324b4b10351e revlog: rewrite censoring logic
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40055
diff changeset
3041 if not self._inline:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3042 tr.addbackup(self.datafile, location=b'store')
40056
324b4b10351e revlog: rewrite censoring logic
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40055
diff changeset
3043
324b4b10351e revlog: rewrite censoring logic
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40055
diff changeset
3044 self.opener.rename(newrl.indexfile, self.indexfile)
324b4b10351e revlog: rewrite censoring logic
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40055
diff changeset
3045 if not self._inline:
324b4b10351e revlog: rewrite censoring logic
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40055
diff changeset
3046 self.opener.rename(newrl.datafile, self.datafile)
324b4b10351e revlog: rewrite censoring logic
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40055
diff changeset
3047
324b4b10351e revlog: rewrite censoring logic
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40055
diff changeset
3048 self.clearcaches()
41204
e3cfe0702eac revlog: inline opener options logic into _loadindex()
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41203
diff changeset
3049 self._loadindex()
39842
97986c9c69d3 verify: start to abstract file verification
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39831
diff changeset
3050
97986c9c69d3 verify: start to abstract file verification
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39831
diff changeset
3051 def verifyintegrity(self, state):
97986c9c69d3 verify: start to abstract file verification
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39831
diff changeset
3052 """Verifies the integrity of the revlog.
97986c9c69d3 verify: start to abstract file verification
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39831
diff changeset
3053
97986c9c69d3 verify: start to abstract file verification
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39831
diff changeset
3054 Yields ``revlogproblem`` instances describing problems that are
97986c9c69d3 verify: start to abstract file verification
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39831
diff changeset
3055 found.
97986c9c69d3 verify: start to abstract file verification
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39831
diff changeset
3056 """
97986c9c69d3 verify: start to abstract file verification
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39831
diff changeset
3057 dd, di = self.checksize()
97986c9c69d3 verify: start to abstract file verification
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39831
diff changeset
3058 if dd:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3059 yield revlogproblem(error=_(b'data length off by %d bytes') % dd)
39842
97986c9c69d3 verify: start to abstract file verification
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39831
diff changeset
3060 if di:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3061 yield revlogproblem(error=_(b'index contains %d extra bytes') % di)
39842
97986c9c69d3 verify: start to abstract file verification
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39831
diff changeset
3062
39845
e6d3d39cc1c7 revlog: use proper version comparison during verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39842
diff changeset
3063 version = self.version & 0xFFFF
e6d3d39cc1c7 revlog: use proper version comparison during verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39842
diff changeset
3064
e6d3d39cc1c7 revlog: use proper version comparison during verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39842
diff changeset
3065 # 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
3066 if version != state[b'expectedversion']:
39845
e6d3d39cc1c7 revlog: use proper version comparison during verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39842
diff changeset
3067 yield revlogproblem(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3068 warning=_(b"warning: '%s' uses revlog format %d; expected %d")
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3069 % (self.indexfile, version, state[b'expectedversion'])
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3070 )
39869
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39866
diff changeset
3071
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3072 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
3073 state[b'safe_renamed'] = set()
39872
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3074
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3075 for rev in self:
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3076 node = self.node(rev)
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3077
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3078 # Verify contents. 4 cases to care about:
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3079 #
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3080 # common: the most common case
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3081 # rename: with a rename
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3082 # meta: file content starts with b'\1\n', the metadata
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3083 # header defined in filelog.py, but without a rename
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3084 # ext: content stored externally
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3085 #
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3086 # More formally, their differences are shown below:
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3087 #
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3088 # | common | rename | meta | ext
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3089 # -------------------------------------------------------
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3090 # flags() | 0 | 0 | 0 | not 0
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3091 # renamed() | False | True | False | ?
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3092 # rawtext[0:2]=='\1\n'| False | True | True | ?
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3093 #
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3094 # "rawtext" means the raw text stored in revlog data, which
42768
5a8f2c8edff6 rawdata: update caller in revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42732
diff changeset
3095 # could be retrieved by "rawdata(rev)". "text"
5a8f2c8edff6 rawdata: update caller in revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42732
diff changeset
3096 # mentioned below is "revision(rev)".
39872
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3097 #
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3098 # There are 3 different lengths stored physically:
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3099 # 1. L1: rawsize, stored in revlog index
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3100 # 2. L2: len(rawtext), stored in revlog data
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3101 # 3. L3: len(text), stored in revlog data if flags==0, or
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3102 # possibly somewhere else if flags!=0
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3103 #
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3104 # L1 should be equal to L2. L3 could be different from them.
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3105 # "text" may or may not affect commit hash depending on flag
42732
6d61be152c55 flagutil: move addflagprocessor to the new module (API)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42731
diff changeset
3106 # processors (see flagutil.addflagprocessor).
39872
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3107 #
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3108 # | common | rename | meta | ext
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3109 # -------------------------------------------------
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3110 # rawsize() | L1 | L1 | L1 | L1
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3111 # size() | L1 | L2-LM | L1(*) | L1 (?)
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3112 # len(rawtext) | L2 | L2 | L2 | L2
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3113 # len(text) | L2 | L2 | L2 | L3
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3114 # len(read()) | L2 | L2-LM | L2-LM | L3 (?)
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3115 #
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3116 # LM: length of metadata, depending on rawtext
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3117 # (*): not ideal, see comment in filelog.size
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3118 # (?): could be "- len(meta)" if the resolved content has
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3119 # rename metadata
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3120 #
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3121 # Checks needed to be done:
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3122 # 1. length check: L1 == L2, in all cases.
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3123 # 2. hash check: depending on flag processor, we may need to
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3124 # use either "text" (external), or "rawtext" (in revlog).
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3125
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3126 try:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3127 skipflags = state.get(b'skipflags', 0)
39872
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3128 if skipflags:
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3129 skipflags &= self.flags(rev)
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3130
43957
7c3118b9a9db revlog: split the content verification of a node into a separate method
Matt Harbison <matt_harbison@yahoo.com>
parents: 43779
diff changeset
3131 _verify_revision(self, skipflags, state, node)
39872
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3132
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3133 l1 = self.rawsize(rev)
42768
5a8f2c8edff6 rawdata: update caller in revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42732
diff changeset
3134 l2 = len(self.rawdata(node))
39872
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3135
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3136 if l1 != l2:
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3137 yield revlogproblem(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3138 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
3139 node=node,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3140 )
39872
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3141
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3142 except error.CensoredNodeError:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3143 if state[b'erroroncensored']:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3144 yield revlogproblem(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3145 error=_(b'censored file data'), node=node
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3146 )
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3147 state[b'skipread'].add(node)
39872
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3148 except Exception as e:
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3149 yield revlogproblem(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3150 error=_(b'unpacking %s: %s')
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3151 % (short(node), stringutil.forcebytestr(e)),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3152 node=node,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3153 )
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3154 state[b'skipread'].add(node)
39872
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39869
diff changeset
3155
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3156 def storageinfo(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3157 self,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3158 exclusivefiles=False,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3159 sharedfiles=False,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3160 revisionscount=False,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3161 trackedsize=False,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3162 storedsize=False,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3163 ):
39869
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39866
diff changeset
3164 d = {}
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39866
diff changeset
3165
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39866
diff changeset
3166 if exclusivefiles:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3167 d[b'exclusivefiles'] = [(self.opener, self.indexfile)]
39869
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39866
diff changeset
3168 if not self._inline:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3169 d[b'exclusivefiles'].append((self.opener, self.datafile))
39869
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39866
diff changeset
3170
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39866
diff changeset
3171 if sharedfiles:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3172 d[b'sharedfiles'] = []
39869
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39866
diff changeset
3173
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39866
diff changeset
3174 if revisionscount:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3175 d[b'revisionscount'] = len(self)
39869
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39866
diff changeset
3176
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39866
diff changeset
3177 if trackedsize:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3178 d[b'trackedsize'] = sum(map(self.rawsize, iter(self)))
39869
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39866
diff changeset
3179
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39866
diff changeset
3180 if storedsize:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3181 d[b'storedsize'] = sum(
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3182 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
3183 )
39869
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39866
diff changeset
3184
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39866
diff changeset
3185 return d
46718
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
3186
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
3187 def rewrite_sidedata(self, helpers, startrev, endrev):
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
3188 if self.version & 0xFFFF != REVLOGV2:
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
3189 return
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
3190 # inline are not yet supported because they suffer from an issue when
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
3191 # rewriting them (since it's not an append-only operation).
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
3192 # See issue6485.
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
3193 assert not self._inline
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
3194 if not helpers[1] and not helpers[2]:
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
3195 # Nothing to generate or remove
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
3196 return
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
3197
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
3198 new_entries = []
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
3199 # append the new sidedata
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
3200 with self._datafp(b'a+') as fp:
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
3201 # Maybe this bug still exists, see revlog._writeentry
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
3202 fp.seek(0, os.SEEK_END)
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
3203 current_offset = fp.tell()
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
3204 for rev in range(startrev, endrev + 1):
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
3205 entry = self.index[rev]
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
3206 new_sidedata = storageutil.run_sidedata_helpers(
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
3207 store=self,
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
3208 sidedata_helpers=helpers,
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
3209 sidedata={},
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
3210 rev=rev,
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
3211 )
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
3212
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
3213 serialized_sidedata = sidedatautil.serialize_sidedata(
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
3214 new_sidedata
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
3215 )
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
3216 if entry[8] != 0 or entry[9] != 0:
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
3217 # rewriting entries that already have sidedata is not
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
3218 # supported yet, because it introduces garbage data in the
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
3219 # revlog.
46806
9ff4672c8c26 revlog: convert an Abort message to bytes
Matt Harbison <matt_harbison@yahoo.com>
parents: 46780
diff changeset
3220 msg = b"Rewriting existing sidedata is not supported yet"
46718
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
3221 raise error.Abort(msg)
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
3222 entry = entry[:8]
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
3223 entry += (current_offset, len(serialized_sidedata))
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
3224
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
3225 fp.write(serialized_sidedata)
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
3226 new_entries.append(entry)
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
3227 current_offset += len(serialized_sidedata)
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
3228
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
3229 # rewrite the new index entries
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
3230 with self._indexfp(b'w+') as fp:
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 fp.seek(startrev * self.index.entry_size)
46718
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
3232 for i, entry in enumerate(new_entries):
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
3233 rev = startrev + i
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
3234 self.index.replace_sidedata_info(rev, entry[8], entry[9])
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
3235 packed = self._io.packentry(entry, self.node, self.version, rev)
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46716
diff changeset
3236 fp.write(packed)