annotate mercurial/revlog.py @ 47163:396442cd7e6a

revlog: rename `datafile` to `datafile` We want to make the actual location of the datafile and location more of an implementation details than what is is currently. In that process, we make the attribute private. Differential Revision: https://phab.mercurial-scm.org/D10575
author Pierre-Yves David <pierre-yves.david@octobus.net>
date Mon, 03 May 2021 12:22:26 +0200
parents a07d5cb03a85
children 8d3c2f9d4af7
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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 nullrev,
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30 sha1nodeconstants,
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31 short,
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32 wdirrev,
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33 )
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34 from .i18n import _
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35 from .pycompat import getattr
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36 from .revlogutils.constants import (
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37 ALL_KINDS,
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38 FLAG_GENERALDELTA,
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39 FLAG_INLINE_DATA,
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40 INDEX_HEADER,
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41 REVLOGV0,
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42 REVLOGV1,
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43 REVLOGV1_FLAGS,
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44 REVLOGV2,
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45 REVLOGV2_FLAGS,
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46 REVLOG_DEFAULT_FLAGS,
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47 REVLOG_DEFAULT_FORMAT,
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48 REVLOG_DEFAULT_VERSION,
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49 )
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50 from .revlogutils.flagutil import (
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51 REVIDX_DEFAULT_FLAGS,
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52 REVIDX_ELLIPSIS,
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53 REVIDX_EXTSTORED,
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54 REVIDX_FLAGS_ORDER,
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55 REVIDX_HASCOPIESINFO,
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56 REVIDX_ISCENSORED,
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57 REVIDX_RAWTEXT_CHANGING_FLAGS,
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58 )
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59 from .thirdparty import attr
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60 from . import (
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61 ancestor,
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62 dagop,
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63 error,
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64 mdiff,
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65 policy,
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66 pycompat,
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67 templatefilters,
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68 util,
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69 )
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70 from .interfaces import (
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71 repository,
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72 util as interfaceutil,
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73 )
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74 from .revlogutils import (
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75 deltas as deltautil,
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76 flagutil,
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77 nodemap as nodemaputil,
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78 revlogv0,
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79 sidedata as sidedatautil,
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80 )
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81 from .utils import (
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82 storageutil,
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83 stringutil,
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84 )
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85
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86 # blanked usage of all the name to prevent pyflakes constraints
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87 # We need these name available in the module for extensions.
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88
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89 REVLOGV0
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90 REVLOGV1
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91 REVLOGV2
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92 FLAG_INLINE_DATA
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93 FLAG_GENERALDELTA
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94 REVLOG_DEFAULT_FLAGS
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95 REVLOG_DEFAULT_FORMAT
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96 REVLOG_DEFAULT_VERSION
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97 REVLOGV1_FLAGS
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98 REVLOGV2_FLAGS
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99 REVIDX_ISCENSORED
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100 REVIDX_ELLIPSIS
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101 REVIDX_HASCOPIESINFO
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102 REVIDX_EXTSTORED
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103 REVIDX_DEFAULT_FLAGS
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104 REVIDX_FLAGS_ORDER
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105 REVIDX_RAWTEXT_CHANGING_FLAGS
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106
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107 parsers = policy.importmod('parsers')
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108 rustancestor = policy.importrust('ancestor')
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109 rustdagop = policy.importrust('dagop')
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110 rustrevlog = policy.importrust('revlog')
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111
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112 # Aliased for performance.
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113 _zlibdecompress = zlib.decompress
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114
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115 # max size of revlog with inline data
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116 _maxinline = 131072
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117 _chunksize = 1048576
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118
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119 # Flag processors for REVIDX_ELLIPSIS.
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120 def ellipsisreadprocessor(rl, text):
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121 return text, False
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122
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123
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124 def ellipsiswriteprocessor(rl, text):
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125 return text, False
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126
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127
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128 def ellipsisrawprocessor(rl, text):
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129 return False
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130
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131
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132 ellipsisprocessor = (
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133 ellipsisreadprocessor,
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134 ellipsiswriteprocessor,
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135 ellipsisrawprocessor,
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136 )
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137
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138
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139 def offset_type(offset, type):
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140 if (type & ~flagutil.REVIDX_KNOWN_FLAGS) != 0:
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141 raise ValueError(b'unknown revlog index flags')
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142 return int(int(offset) << 16 | type)
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143
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144
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145 def _verify_revision(rl, skipflags, state, node):
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146 """Verify the integrity of the given revlog ``node`` while providing a hook
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147 point for extensions to influence the operation."""
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148 if skipflags:
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149 state[b'skipread'].add(node)
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150 else:
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151 # Side-effect: read content and verify hash.
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152 rl.revision(node)
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153
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154
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155 # True if a fast implementation for persistent-nodemap is available
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156 #
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157 # We also consider we have a "fast" implementation in "pure" python because
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158 # people using pure don't really have performance consideration (and a
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159 # wheelbarrow of other slowness source)
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160 HAS_FAST_PERSISTENT_NODEMAP = rustrevlog is not None or util.safehasattr(
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161 parsers, 'BaseIndexObject'
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162 )
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163
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164
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165 @attr.s(slots=True, frozen=True)
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166 class _revisioninfo(object):
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167 """Information about a revision that allows building its fulltext
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168 node: expected hash of the revision
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169 p1, p2: parent revs of the revision
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170 btext: built text cache consisting of a one-element list
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171 cachedelta: (baserev, uncompressed_delta) or None
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172 flags: flags associated to the revision storage
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173
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174 One of btext[0] or cachedelta must be set.
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175 """
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176
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177 node = attr.ib()
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178 p1 = attr.ib()
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179 p2 = attr.ib()
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180 btext = attr.ib()
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181 textlen = attr.ib()
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182 cachedelta = attr.ib()
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183 flags = attr.ib()
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184
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185
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186 @interfaceutil.implementer(repository.irevisiondelta)
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187 @attr.s(slots=True)
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188 class revlogrevisiondelta(object):
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189 node = attr.ib()
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190 p1node = attr.ib()
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191 p2node = attr.ib()
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192 basenode = attr.ib()
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193 flags = attr.ib()
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194 baserevisionsize = attr.ib()
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195 revision = attr.ib()
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196 delta = attr.ib()
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197 sidedata = attr.ib()
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198 protocol_flags = attr.ib()
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199 linknode = attr.ib(default=None)
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200
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201
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202 @interfaceutil.implementer(repository.iverifyproblem)
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203 @attr.s(frozen=True)
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204 class revlogproblem(object):
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205 warning = attr.ib(default=None)
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206 error = attr.ib(default=None)
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207 node = attr.ib(default=None)
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208
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209
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210 def parse_index_v1(data, inline):
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211 # call the C implementation to parse the index data
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212 index, cache = parsers.parse_index2(data, inline)
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213 return index, cache
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214
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215
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216 def parse_index_v2(data, inline):
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217 # call the C implementation to parse the index data
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218 index, cache = parsers.parse_index2(data, inline, revlogv2=True)
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219 return index, cache
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220
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221
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222 if util.safehasattr(parsers, 'parse_index_devel_nodemap'):
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223
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224 def parse_index_v1_nodemap(data, inline):
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225 index, cache = parsers.parse_index_devel_nodemap(data, inline)
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226 return index, cache
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227
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228
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229 else:
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230 parse_index_v1_nodemap = None
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231
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232
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233 def parse_index_v1_mixed(data, inline):
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234 index, cache = parse_index_v1(data, inline)
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235 return rustrevlog.MixedIndex(index), cache
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236
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237
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238 # corresponds to uncompressed length of indexformatng (2 gigs, 4-byte
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239 # signed integer)
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240 _maxentrysize = 0x7FFFFFFF
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241
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242
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243 class revlog(object):
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244 """
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245 the underlying revision storage object
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246
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247 A revlog consists of two parts, an index and the revision data.
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248
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249 The index is a file with a fixed record size containing
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250 information on each revision, including its nodeid (hash), the
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251 nodeids of its parents, the position and offset of its data within
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252 the data file, and the revision it's based on. Finally, each entry
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253 contains a linkrev entry that can serve as a pointer to external
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254 data.
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255
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256 The revision data itself is a linear collection of data chunks.
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257 Each chunk represents a revision and is usually represented as a
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258 delta against the previous chunk. To bound lookup time, runs of
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259 deltas are limited to about 2 times the length of the original
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260 version data. This makes retrieval of a version proportional to
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261 its size, or O(1) relative to the number of revisions.
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262
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263 Both pieces of the revlog are written to in an append-only
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264 fashion, which means we never need to rewrite a file to insert or
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265 remove data, and can use some simple techniques to avoid the need
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266 for locking while reading.
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29841
diff changeset
267
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
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diff changeset
268 If checkambig, indexfile is opened with checkambig=True at
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parents: 29841
diff changeset
269 writing, to avoid file stat ambiguity.
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Mark Thomas <mbthomas@fb.com>
parents: 34298
diff changeset
270
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parents: 34298
diff changeset
271 If mmaplargeindex is True, and an mmapindexthreshold is set, the
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diff changeset
272 index will be mmapped rather than read if it is larger than the
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parents: 34298
diff changeset
273 configured threshold.
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parents: 37442
diff changeset
274
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parents: 37442
diff changeset
275 If censorable is True, the revlog can have censored revisions.
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parents: 42468
diff changeset
276
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277 If `upperboundcomp` is not None, this is the expected maximal gain from
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parents: 42468
diff changeset
278 compression for the data content.
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diff changeset
279
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280 `concurrencychecker` is an optional function that receives 3 arguments: a
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281 file handle, a filename, and an expected position. It should check whether
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282 the current position in the file handle is valid, and log/warn/fail (by
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diff changeset
283 raising).
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284 """
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285
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286 _flagserrorclass = error.RevlogError
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parents: 42995
diff changeset
287
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288 def __init__(
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289 self,
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290 opener,
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291 target,
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292 postfix=None,
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293 indexfile=None,
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294 datafile=None,
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parents: 43039
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295 checkambig=False,
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parents: 43039
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296 mmaplargeindex=False,
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297 censorable=False,
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parents: 43039
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298 upperboundcomp=None,
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299 persistentnodemap=False,
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300 concurrencychecker=None,
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parents: 43039
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301 ):
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302 """
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parents: 1074
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303 create a revlog object
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parents: 1074
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304
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parents: 1074
diff changeset
305 opener is a function that abstracts the file opening operation
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parents: 1074
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306 and can be used to implement COW semantics or the like.
42478
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parents: 42468
diff changeset
307
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diff changeset
308 `target`: a (KIND, ID) tuple that identify the content stored in
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parents: 47082
diff changeset
309 this revlog. It help the rest of the code to understand what the revlog
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parents: 47082
diff changeset
310 is about without having to resort to heuristic and index filename
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parents: 47082
diff changeset
311 analysis. Note: that this must be reliably be set by normal code, but
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parents: 47082
diff changeset
312 that test, debug, or performance measurement code might not set this to
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parents: 47082
diff changeset
313 accurate value.
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314 """
42478
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diff changeset
315 self.upperboundcomp = upperboundcomp
47159
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parents: 47158
diff changeset
316 if not indexfile.endswith(b'.i'):
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parents: 47158
diff changeset
317 raise error.ProgrammingError(
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parents: 47158
diff changeset
318 b"revlog's indexfile should end with `.i`"
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parents: 47158
diff changeset
319 )
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diff changeset
320 if datafile is None:
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parents: 47158
diff changeset
321 datafile = indexfile[:-2] + b".d"
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diff changeset
322 if postfix is not None:
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parents: 47158
diff changeset
323 datafile = b'%s.%s' % (datafile, postfix)
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diff changeset
324 if postfix is not None:
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parents: 47158
diff changeset
325 indexfile = b'%s.%s' % (indexfile, postfix)
47162
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
326 self._indexfile = indexfile
47163
396442cd7e6a revlog: rename `datafile` to `datafile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47162
diff changeset
327 self._datafile = datafile
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parents: 44073
diff changeset
328 self.nodemap_file = None
47159
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diff changeset
329 self.postfix = postfix
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parents: 44073
diff changeset
330 if persistentnodemap:
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835aafb2543f revlog: refactor logic to compute nodemap file in separate function
Pulkit Goyal <7895pulkit@gmail.com>
parents: 46445
diff changeset
331 self.nodemap_file = nodemaputil.get_nodemap_file(
47162
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
332 opener, self._indexfile
46530
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Pulkit Goyal <7895pulkit@gmail.com>
parents: 46445
diff changeset
333 )
44351
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parents: 44073
diff changeset
334
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
335 self.opener = opener
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parents: 47082
diff changeset
336 assert target[0] in ALL_KINDS
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parents: 47082
diff changeset
337 assert len(target) == 2
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parents: 47082
diff changeset
338 self.target = target
30001
b5e5ddf48bd2 revlog: specify checkambig at writing to avoid file stat ambiguity
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29841
diff changeset
339 # 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: 29841
diff changeset
340 # avoid file stat ambiguity.
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 29841
diff changeset
341 self._checkambig = checkambig
41203
d0de4fdd87aa revlog: store mmaplargeindex as an instance attribute
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41202
diff changeset
342 self._mmaplargeindex = mmaplargeindex
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parents: 37442
diff changeset
343 self._censorable = censorable
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diff changeset
344 # 3-tuple of (node, rev, text) for a raw revision.
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parents: 40011
diff changeset
345 self._revisioncache = None
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parents: 29840
diff changeset
346 # Maps rev to chain base rev.
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diff changeset
347 self._chainbasecache = util.lrucachedict(100)
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parents: 26907
diff changeset
348 # 2-tuple of (offset, data) of raw data from the revlog at an offset.
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parents: 43076
diff changeset
349 self._chunkcache = (0, b'')
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parents: 26907
diff changeset
350 # How much data to read and cache into the raw revlog data cache.
20180
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Brodie Rao <brodie@sf.io>
parents: 20179
diff changeset
351 self._chunkcachesize = 65536
23255
76effa770ff9 revlog: add config variable for limiting delta-chain length
Mateusz Kwapich <mitrandir@fb.com>
parents: 23254
diff changeset
352 self._maxchainlen = None
38736
93777d16a25d aggressivemergedeltas: rename variable internally
Boris Feld <boris.feld@octobus.net>
parents: 38718
diff changeset
353 self._deltabothparents = True
43573
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43572
diff changeset
354 self.index = None
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parents: 44363
diff changeset
355 self._nodemap_docket = None
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diff changeset
356 # Mapping of partial identifiers to full nodes.
13258
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parents: 13254
diff changeset
357 self._pcache = {}
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diff changeset
358 # Mapping of revision integer to full node.
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Augie Fackler <augie@google.com>
parents: 43076
diff changeset
359 self._compengine = b'zlib'
42043
1fac9b931d46 compression: introduce a `storage.revlog.zlib.level` configuration
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41877
diff changeset
360 self._compengineopts = {}
33207
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 33173
diff changeset
361 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
362 self._withsparseread = False
38717
aa21a9ad46ea sparse-revlog: new requirement enabled with format.sparse-revlog
Paul Morelle <paul.morelle@octobus.net>
parents: 38716
diff changeset
363 self._sparserevlog = False
38632
eb8504715071 sparse-read: target density of 50% instead of 25%
Paul Morelle <paul.morelle@octobus.net>
parents: 38603
diff changeset
364 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
365 self._srmingapsize = 262144
4985
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Matt Mackall <mpm@selenic.com>
parents: 4984
diff changeset
366
39784
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 39783
diff changeset
367 # Make copy of flag processors so each revlog instance can support
7b2b42fc377a revlog: store flag processors per revlog
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parents: 39783
diff changeset
368 # custom flags.
42746
05c80f9ef100 flagutil: move the `flagprocessors` mapping in the new module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42745
diff changeset
369 self._flagprocessors = dict(flagutil.flagprocessors)
39784
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 39783
diff changeset
370
40671
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 40670
diff changeset
371 # 2-tuple of file handles being used for active writing.
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diff changeset
372 self._writinghandles = None
e9293c5f8bb9 revlog: automatically read from opened file handles
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parents: 40670
diff changeset
373
41204
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 41203
diff changeset
374 self._loadindex()
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 41203
diff changeset
375
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Kyle Lippincott <spectral@google.com>
parents: 46561
diff changeset
376 self._concurrencychecker = concurrencychecker
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Kyle Lippincott <spectral@google.com>
parents: 46561
diff changeset
377
47158
b6e1fe7ac24b revlog: split the option initialisation in its own method
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parents: 47157
diff changeset
378 def _init_opts(self):
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parents: 47157
diff changeset
379 """process options (from above/config) to setup associated default revlog mode
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parents: 47157
diff changeset
380
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parents: 47157
diff changeset
381 These values might be affected when actually reading on disk information.
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parents: 47157
diff changeset
382
b6e1fe7ac24b revlog: split the option initialisation in its own method
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parents: 47157
diff changeset
383 The relevant values are returned for use in _loadindex().
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parents: 47157
diff changeset
384
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parents: 47157
diff changeset
385 * newversionflags:
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47157
diff changeset
386 version header to use if we need to create a new revlog
b6e1fe7ac24b revlog: split the option initialisation in its own method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47157
diff changeset
387
b6e1fe7ac24b revlog: split the option initialisation in its own method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47157
diff changeset
388 * mmapindexthreshold:
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47157
diff changeset
389 minimal index size for start to use mmap
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47157
diff changeset
390
b6e1fe7ac24b revlog: split the option initialisation in its own method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47157
diff changeset
391 * force_nodemap:
b6e1fe7ac24b revlog: split the option initialisation in its own method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47157
diff changeset
392 force the usage of a "development" version of the nodemap code
b6e1fe7ac24b revlog: split the option initialisation in its own method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47157
diff changeset
393 """
34303
3c9691728237 revlog: add option to mmap revlog index
Mark Thomas <mbthomas@fb.com>
parents: 34298
diff changeset
394 mmapindexthreshold = None
43027
3518da504303 vfs: give all vfs an options attribute by default
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43026
diff changeset
395 opts = self.opener.options
41200
cecf3f8bccd3 revlog: always process opener options
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41118
diff changeset
396
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
397 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
398 newversionflags = REVLOGV2 | FLAG_INLINE_DATA
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
399 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
400 newversionflags = REVLOGV1 | FLAG_INLINE_DATA
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
401 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
402 newversionflags |= FLAG_GENERALDELTA
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
403 elif b'revlogv0' in self.opener.options:
41302
c953c2a94d68 revlog: fix resolution of revlog version 0
Yuya Nishihara <yuya@tcha.org>
parents: 41301
diff changeset
404 newversionflags = REVLOGV0
41200
cecf3f8bccd3 revlog: always process opener options
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41118
diff changeset
405 else:
41205
3f807237dc94 revlog: use separate variables to track version flags
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41204
diff changeset
406 newversionflags = REVLOG_DEFAULT_VERSION
41200
cecf3f8bccd3 revlog: always process opener options
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41118
diff changeset
407
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
408 if b'chunkcachesize' in opts:
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
409 self._chunkcachesize = opts[b'chunkcachesize']
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
410 if b'maxchainlen' in opts:
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
411 self._maxchainlen = opts[b'maxchainlen']
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
412 if b'deltabothparents' in opts:
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
413 self._deltabothparents = opts[b'deltabothparents']
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
414 self._lazydelta = bool(opts.get(b'lazydelta', True))
41824
688fc33e105d storage: introduce a `revlog.reuse-external-delta` config
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41773
diff changeset
415 self._lazydeltabase = False
688fc33e105d storage: introduce a `revlog.reuse-external-delta` config
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41773
diff changeset
416 if self._lazydelta:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
417 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
418 if b'compengine' in opts:
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
419 self._compengine = opts[b'compengine']
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
420 if b'zlib.level' in opts:
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
421 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
422 if b'zstd.level' in opts:
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
423 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
424 if b'maxdeltachainspan' in opts:
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
425 self._maxdeltachainspan = opts[b'maxdeltachainspan']
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
426 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
427 mmapindexthreshold = opts[b'mmapindexthreshold']
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
428 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
429 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
430 withsparseread = bool(opts.get(b'with-sparse-read', False))
41200
cecf3f8bccd3 revlog: always process opener options
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41118
diff changeset
431 # sparse-revlog forces sparse-read
cecf3f8bccd3 revlog: always process opener options
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41118
diff changeset
432 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
433 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
434 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
435 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
436 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
437 if opts.get(b'enableellipsis'):
41200
cecf3f8bccd3 revlog: always process opener options
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41118
diff changeset
438 self._flagprocessors[REVIDX_ELLIPSIS] = ellipsisprocessor
cecf3f8bccd3 revlog: always process opener options
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41118
diff changeset
439
cecf3f8bccd3 revlog: always process opener options
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41118
diff changeset
440 # 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
441 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
442 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
443 ):
42748
5109217a9ab6 flagutil: move insertflagprocessor to the new module (API)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42747
diff changeset
444 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
445
20180
969148b49fc6 revlog: allow tuning of the chunk cache size (via format.chunkcachesize)
Brodie Rao <brodie@sf.io>
parents: 20179
diff changeset
446 if self._chunkcachesize <= 0:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
447 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
448 _(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
449 % self._chunkcachesize
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
450 )
20180
969148b49fc6 revlog: allow tuning of the chunk cache size (via format.chunkcachesize)
Brodie Rao <brodie@sf.io>
parents: 20179
diff changeset
451 elif self._chunkcachesize & (self._chunkcachesize - 1):
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
452 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
453 _(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
454 % self._chunkcachesize
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
455 )
47158
b6e1fe7ac24b revlog: split the option initialisation in its own method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47157
diff changeset
456 force_nodemap = opts.get(b'devel-force-nodemap', False)
b6e1fe7ac24b revlog: split the option initialisation in its own method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47157
diff changeset
457 return newversionflags, mmapindexthreshold, force_nodemap
b6e1fe7ac24b revlog: split the option initialisation in its own method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47157
diff changeset
458
b6e1fe7ac24b revlog: split the option initialisation in its own method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47157
diff changeset
459 def _loadindex(self):
b6e1fe7ac24b revlog: split the option initialisation in its own method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47157
diff changeset
460
b6e1fe7ac24b revlog: split the option initialisation in its own method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47157
diff changeset
461 newversionflags, mmapindexthreshold, force_nodemap = self._init_opts()
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
462 indexdata = b''
14334
85c82ebc96a3 changelog: don't use generaldelta
Sune Foldager <cryo@cyanite.org>
parents: 14333
diff changeset
463 self._initempty = True
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
464 try:
36008
1f2b8a644dd4 revlog: use context manager for index file life time in __init__
Boris Feld <boris.feld@octobus.net>
parents: 36007
diff changeset
465 with self._indexfp() as f:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
466 if (
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
467 mmapindexthreshold is not None
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
468 and self.opener.fstat(f).st_size >= mmapindexthreshold
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
469 ):
41286
00b314c42094 revlog: document that mmap resources are released implicitly by GC
Yuya Nishihara <yuya@tcha.org>
parents: 41275
diff changeset
470 # 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
471 # relying on Python GC
36008
1f2b8a644dd4 revlog: use context manager for index file life time in __init__
Boris Feld <boris.feld@octobus.net>
parents: 36007
diff changeset
472 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: 36007
diff changeset
473 else:
1f2b8a644dd4 revlog: use context manager for index file life time in __init__
Boris Feld <boris.feld@octobus.net>
parents: 36007
diff changeset
474 indexdata = f.read()
26241
eb97d49768cc revlog: rename generic "i" variable to "indexdata"
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26118
diff changeset
475 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
476 versionflags = INDEX_HEADER.unpack(indexdata[:4])[0]
14334
85c82ebc96a3 changelog: don't use generaldelta
Sune Foldager <cryo@cyanite.org>
parents: 14333
diff changeset
477 self._initempty = False
41205
3f807237dc94 revlog: use separate variables to track version flags
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41204
diff changeset
478 else:
3f807237dc94 revlog: use separate variables to track version flags
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41204
diff changeset
479 versionflags = newversionflags
25660
328739ea70c3 global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents: 25459
diff changeset
480 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
481 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
482 raise
4985
e6525e459157 revlog: simplify revlog.__init__
Matt Mackall <mpm@selenic.com>
parents: 4984
diff changeset
483
41205
3f807237dc94 revlog: use separate variables to track version flags
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41204
diff changeset
484 versionflags = newversionflags
3f807237dc94 revlog: use separate variables to track version flags
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41204
diff changeset
485
47153
f58a13c52726 revlog: split the `version` attribute into its two components
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47150
diff changeset
486 flags = self._format_flags = versionflags & ~0xFFFF
f58a13c52726 revlog: split the `version` attribute into its two components
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47150
diff changeset
487 fmt = self._format_version = versionflags & 0xFFFF
41202
e7a2cc84dbc0 revlog: always enable generaldelta on version 2 revlogs
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41201
diff changeset
488
32430
36d3559c69a6 revlog: tweak wording and logic for flags validation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32411
diff changeset
489 if fmt == REVLOGV0:
36d3559c69a6 revlog: tweak wording and logic for flags validation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32411
diff changeset
490 if flags:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
491 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
492 _(b'unknown flags (%#04x) in version %d revlog %s')
47162
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
493 % (flags >> 16, fmt, self._indexfile)
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
494 )
41202
e7a2cc84dbc0 revlog: always enable generaldelta on version 2 revlogs
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41201
diff changeset
495
e7a2cc84dbc0 revlog: always enable generaldelta on version 2 revlogs
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41201
diff changeset
496 self._inline = False
e7a2cc84dbc0 revlog: always enable generaldelta on version 2 revlogs
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41201
diff changeset
497 self._generaldelta = False
e7a2cc84dbc0 revlog: always enable generaldelta on version 2 revlogs
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41201
diff changeset
498
32430
36d3559c69a6 revlog: tweak wording and logic for flags validation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32411
diff changeset
499 elif fmt == REVLOGV1:
36d3559c69a6 revlog: tweak wording and logic for flags validation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32411
diff changeset
500 if flags & ~REVLOGV1_FLAGS:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
501 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
502 _(b'unknown flags (%#04x) in version %d revlog %s')
47162
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
503 % (flags >> 16, fmt, self._indexfile)
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
504 )
41202
e7a2cc84dbc0 revlog: always enable generaldelta on version 2 revlogs
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41201
diff changeset
505
e7a2cc84dbc0 revlog: always enable generaldelta on version 2 revlogs
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41201
diff changeset
506 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
507 self._generaldelta = versionflags & FLAG_GENERALDELTA
e7a2cc84dbc0 revlog: always enable generaldelta on version 2 revlogs
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41201
diff changeset
508
32717
19b9fc40cc51 revlog: skeleton support for version 2 revlogs
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32704
diff changeset
509 elif fmt == REVLOGV2:
19b9fc40cc51 revlog: skeleton support for version 2 revlogs
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32704
diff changeset
510 if flags & ~REVLOGV2_FLAGS:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
511 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
512 _(b'unknown flags (%#04x) in version %d revlog %s')
47162
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
513 % (flags >> 16, fmt, self._indexfile)
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
514 )
41202
e7a2cc84dbc0 revlog: always enable generaldelta on version 2 revlogs
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41201
diff changeset
515
46729
c8bb7b89179e revlogv2: temporarily forbid inline revlogs
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46728
diff changeset
516 # 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: 46728
diff changeset
517 # 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: 46728
diff changeset
518 # 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: 46728
diff changeset
519 # See issue6485
c8bb7b89179e revlogv2: temporarily forbid inline revlogs
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46728
diff changeset
520 self._inline = False
41202
e7a2cc84dbc0 revlog: always enable generaldelta on version 2 revlogs
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41201
diff changeset
521 # 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
522 self._generaldelta = True
e7a2cc84dbc0 revlog: always enable generaldelta on version 2 revlogs
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41201
diff changeset
523
32430
36d3559c69a6 revlog: tweak wording and logic for flags validation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32411
diff changeset
524 else:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
525 raise error.RevlogError(
47162
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
526 _(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
527 )
46793
6266d19556ad node: introduce nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46792
diff changeset
528
6266d19556ad node: introduce nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46792
diff changeset
529 self.nodeconstants = sha1nodeconstants
6266d19556ad node: introduce nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46792
diff changeset
530 self.nullid = self.nodeconstants.nullid
6266d19556ad node: introduce nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46792
diff changeset
531
41312
189e06b2d719 revlog: make sure we never use sparserevlog without general delta (issue6056)
Boris Feld <boris.feld@octobus.net>
parents: 41310
diff changeset
532 # sparse-revlog can't be on without general-delta (issue6056)
189e06b2d719 revlog: make sure we never use sparserevlog without general delta (issue6056)
Boris Feld <boris.feld@octobus.net>
parents: 41310
diff changeset
533 if not self._generaldelta:
189e06b2d719 revlog: make sure we never use sparserevlog without general delta (issue6056)
Boris Feld <boris.feld@octobus.net>
parents: 41310
diff changeset
534 self._sparserevlog = False
4985
e6525e459157 revlog: simplify revlog.__init__
Matt Mackall <mpm@selenic.com>
parents: 4984
diff changeset
535
39260
0a5b20c107a6 repository: remove storedeltachains from ifilestorage
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39259
diff changeset
536 self._storedeltachains = True
30154
5e72129d75ed revlog: add instance variable controlling delta chain use
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30014
diff changeset
537
44356
6f9e8e142cea nodemap: add a (python) index class for persistent nodemap testing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44353
diff changeset
538 devel_nodemap = (
6f9e8e142cea nodemap: add a (python) index class for persistent nodemap testing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44353
diff changeset
539 self.nodemap_file
47158
b6e1fe7ac24b revlog: split the option initialisation in its own method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47157
diff changeset
540 and force_nodemap
47077
5e64c93d5f94 revlog: remove the revlogio class
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47075
diff changeset
541 and parse_index_v1_nodemap is not None
44356
6f9e8e142cea nodemap: add a (python) index class for persistent nodemap testing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44353
diff changeset
542 )
6f9e8e142cea nodemap: add a (python) index class for persistent nodemap testing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44353
diff changeset
543
44523
e7fff9c3cdac rust-nodemap: automatically use the rust index for persistent nodemap
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44511
diff changeset
544 use_rust_index = False
e7fff9c3cdac rust-nodemap: automatically use the rust index for persistent nodemap
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44511
diff changeset
545 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: 44511
diff changeset
546 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: 44511
diff changeset
547 use_rust_index = True
e7fff9c3cdac rust-nodemap: automatically use the rust index for persistent nodemap
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44511
diff changeset
548 else:
e7fff9c3cdac rust-nodemap: automatically use the rust index for persistent nodemap
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44511
diff changeset
549 use_rust_index = self.opener.options.get(b'rust.index')
e7fff9c3cdac rust-nodemap: automatically use the rust index for persistent nodemap
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44511
diff changeset
550
47077
5e64c93d5f94 revlog: remove the revlogio class
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47075
diff changeset
551 self._parse_index = parse_index_v1
47153
f58a13c52726 revlog: split the `version` attribute into its two components
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47150
diff changeset
552 if self._format_version == REVLOGV0:
47079
724db234b790 revlog: code for `revlogv0` in its own module
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47078
diff changeset
553 self._parse_index = revlogv0.parse_index_v0
46717
913485776542 revlog: introduce v2 format
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46646
diff changeset
554 elif fmt == REVLOGV2:
47077
5e64c93d5f94 revlog: remove the revlogio class
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47075
diff changeset
555 self._parse_index = parse_index_v2
44356
6f9e8e142cea nodemap: add a (python) index class for persistent nodemap testing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44353
diff changeset
556 elif devel_nodemap:
47077
5e64c93d5f94 revlog: remove the revlogio class
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47075
diff changeset
557 self._parse_index = parse_index_v1_nodemap
44523
e7fff9c3cdac rust-nodemap: automatically use the rust index for persistent nodemap
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44511
diff changeset
558 elif use_rust_index:
47077
5e64c93d5f94 revlog: remove the revlogio class
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47075
diff changeset
559 self._parse_index = parse_index_v1_mixed
13265
04b302ce2781 revlog: always add the magic nullid/nullrev entry in parseindex
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 13264
diff changeset
560 try:
47077
5e64c93d5f94 revlog: remove the revlogio class
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47075
diff changeset
561 d = self._parse_index(indexdata, self._inline)
44363
671f9479af0e nodemap: provide the on disk data to indexes who support it
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44356
diff changeset
562 index, _chunkcache = d
671f9479af0e nodemap: provide the on disk data to indexes who support it
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44356
diff changeset
563 use_nodemap = (
671f9479af0e nodemap: provide the on disk data to indexes who support it
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44356
diff changeset
564 not self._inline
671f9479af0e nodemap: provide the on disk data to indexes who support it
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44356
diff changeset
565 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: 44356
diff changeset
566 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: 44356
diff changeset
567 )
671f9479af0e nodemap: provide the on disk data to indexes who support it
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44356
diff changeset
568 if use_nodemap:
671f9479af0e nodemap: provide the on disk data to indexes who support it
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44356
diff changeset
569 nodemap_data = nodemaputil.persisted_data(self)
671f9479af0e nodemap: provide the on disk data to indexes who support it
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44356
diff changeset
570 if nodemap_data is not None:
44525
6c906eaedd0d nodemap: track the tip_node for validation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44523
diff changeset
571 docket = nodemap_data[0]
44803
affe0fb42250 nodemap: fix validity checking when revlog is too short
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44526
diff changeset
572 if (
affe0fb42250 nodemap: fix validity checking when revlog is too short
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44526
diff changeset
573 len(d[0]) > docket.tip_rev
affe0fb42250 nodemap: fix validity checking when revlog is too short
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44526
diff changeset
574 and d[0][docket.tip_rev][7] == docket.tip_node
affe0fb42250 nodemap: fix validity checking when revlog is too short
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44526
diff changeset
575 ):
44525
6c906eaedd0d nodemap: track the tip_node for validation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44523
diff changeset
576 # no changelog tampering
6c906eaedd0d nodemap: track the tip_node for validation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44523
diff changeset
577 self._nodemap_docket = docket
6c906eaedd0d nodemap: track the tip_node for validation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44523
diff changeset
578 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
579 except (ValueError, IndexError):
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
580 raise error.RevlogError(
47162
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
581 _(b"index %s is corrupted") % self._indexfile
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
582 )
43574
e258ad110488 revlog: no longer return the nodemap after parsing
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43573
diff changeset
583 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
584 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
585 self._chunkclear()
23306
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452)
Siddharth Agarwal <sid0@fb.com>
parents: 23288
diff changeset
586 # revnum -> (chain-length, sum-delta-length)
45802
8719a5b68419 revlog: use LRU for the chain cache
Joerg Sonnenberger <joerg@bec.de>
parents: 45735
diff changeset
587 self._chaininfocache = util.lrucachedict(500)
30817
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
588 # revlog header -> revlog compressor
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
589 self._decompressors = {}
116
e484cd5ec282 Only use lazy indexing for big indices and avoid the overhead of the
mpm@selenic.com
parents: 115
diff changeset
590
30795
78ac56aebab6 revlog: use compression engine API for compression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30793
diff changeset
591 @util.propertycache
47090
64cd1496bb70 revlog: replace the old `revlog_kind` approach with the new `target` one
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47089
diff changeset
592 def revlog_kind(self):
64cd1496bb70 revlog: replace the old `revlog_kind` approach with the new `target` one
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47089
diff changeset
593 return self.target[0]
64cd1496bb70 revlog: replace the old `revlog_kind` approach with the new `target` one
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47089
diff changeset
594
64cd1496bb70 revlog: replace the old `revlog_kind` approach with the new `target` one
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47089
diff changeset
595 @util.propertycache
30795
78ac56aebab6 revlog: use compression engine API for compression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30793
diff changeset
596 def _compressor(self):
42043
1fac9b931d46 compression: introduce a `storage.revlog.zlib.level` configuration
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41877
diff changeset
597 engine = util.compengines[self._compengine]
1fac9b931d46 compression: introduce a `storage.revlog.zlib.level` configuration
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41877
diff changeset
598 return engine.revlogcompressor(self._compengineopts)
30795
78ac56aebab6 revlog: use compression engine API for compression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30793
diff changeset
599
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
600 def _indexfp(self, mode=b'r'):
36007
91b3b11565e5 revlog: move index file opening in a method
Boris Feld <boris.feld@octobus.net>
parents: 36006
diff changeset
601 """file object for the revlog's index file"""
43554
9f70512ae2cf cleanup: remove pointless r-prefixes on single-quoted strings
Augie Fackler <augie@google.com>
parents: 43492
diff changeset
602 args = {'mode': mode}
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
603 if mode != b'r':
43554
9f70512ae2cf cleanup: remove pointless r-prefixes on single-quoted strings
Augie Fackler <augie@google.com>
parents: 43492
diff changeset
604 args['checkambig'] = self._checkambig
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
605 if mode == b'w':
43554
9f70512ae2cf cleanup: remove pointless r-prefixes on single-quoted strings
Augie Fackler <augie@google.com>
parents: 43492
diff changeset
606 args['atomictemp'] = True
47162
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
607 return self.opener(self._indexfile, **args)
36007
91b3b11565e5 revlog: move index file opening in a method
Boris Feld <boris.feld@octobus.net>
parents: 36006
diff changeset
608
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
609 def _datafp(self, mode=b'r'):
36006
61326dd7cb8d revlog: move datafile opening in a method
Boris Feld <boris.feld@octobus.net>
parents: 35885
diff changeset
610 """file object for the revlog's data file"""
47163
396442cd7e6a revlog: rename `datafile` to `datafile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47162
diff changeset
611 return self.opener(self._datafile, mode=mode)
36006
61326dd7cb8d revlog: move datafile opening in a method
Boris Feld <boris.feld@octobus.net>
parents: 35885
diff changeset
612
36012
4d66993bdcff revlog: add a _datareadfp context manager for data access needs
Boris Feld <boris.feld@octobus.net>
parents: 36011
diff changeset
613 @contextlib.contextmanager
4d66993bdcff revlog: add a _datareadfp context manager for data access needs
Boris Feld <boris.feld@octobus.net>
parents: 36011
diff changeset
614 def _datareadfp(self, existingfp=None):
4d66993bdcff revlog: add a _datareadfp context manager for data access needs
Boris Feld <boris.feld@octobus.net>
parents: 36011
diff changeset
615 """file object suitable to read data"""
40671
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40670
diff changeset
616 # Use explicit file handle, if given.
36012
4d66993bdcff revlog: add a _datareadfp context manager for data access needs
Boris Feld <boris.feld@octobus.net>
parents: 36011
diff changeset
617 if existingfp is not None:
4d66993bdcff revlog: add a _datareadfp context manager for data access needs
Boris Feld <boris.feld@octobus.net>
parents: 36011
diff changeset
618 yield existingfp
40671
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40670
diff changeset
619
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40670
diff changeset
620 # 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: 40670
diff changeset
621 # 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: 40670
diff changeset
622 # 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: 40670
diff changeset
623 # so we should be safe.
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40670
diff changeset
624 elif self._writinghandles:
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40670
diff changeset
625 if self._inline:
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40670
diff changeset
626 yield self._writinghandles[0]
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40670
diff changeset
627 else:
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40670
diff changeset
628 yield self._writinghandles[1]
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40670
diff changeset
629
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40670
diff changeset
630 # Otherwise open a new file handle.
36012
4d66993bdcff revlog: add a _datareadfp context manager for data access needs
Boris Feld <boris.feld@octobus.net>
parents: 36011
diff changeset
631 else:
4d66993bdcff revlog: add a _datareadfp context manager for data access needs
Boris Feld <boris.feld@octobus.net>
parents: 36011
diff changeset
632 if self._inline:
4d66993bdcff revlog: add a _datareadfp context manager for data access needs
Boris Feld <boris.feld@octobus.net>
parents: 36011
diff changeset
633 func = self._indexfp
4d66993bdcff revlog: add a _datareadfp context manager for data access needs
Boris Feld <boris.feld@octobus.net>
parents: 36011
diff changeset
634 else:
4d66993bdcff revlog: add a _datareadfp context manager for data access needs
Boris Feld <boris.feld@octobus.net>
parents: 36011
diff changeset
635 func = self._datafp
4d66993bdcff revlog: add a _datareadfp context manager for data access needs
Boris Feld <boris.feld@octobus.net>
parents: 36011
diff changeset
636 with func() as fp:
4d66993bdcff revlog: add a _datareadfp context manager for data access needs
Boris Feld <boris.feld@octobus.net>
parents: 36011
diff changeset
637 yield fp
4d66993bdcff revlog: add a _datareadfp context manager for data access needs
Boris Feld <boris.feld@octobus.net>
parents: 36011
diff changeset
638
43492
ec7ba79bf3db revlog: move tiprev() from changelog up to revlog
Martin von Zweigbergk <martinvonz@google.com>
parents: 43133
diff changeset
639 def tiprev(self):
ec7ba79bf3db revlog: move tiprev() from changelog up to revlog
Martin von Zweigbergk <martinvonz@google.com>
parents: 43133
diff changeset
640 return len(self.index) - 1
ec7ba79bf3db revlog: move tiprev() from changelog up to revlog
Martin von Zweigbergk <martinvonz@google.com>
parents: 43133
diff changeset
641
4980
fc44c8df9d99 revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents: 4979
diff changeset
642 def tip(self):
43492
ec7ba79bf3db revlog: move tiprev() from changelog up to revlog
Martin von Zweigbergk <martinvonz@google.com>
parents: 43133
diff changeset
643 return self.node(self.tiprev())
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
644
24030
828dc8db5515 revlog: add __contains__ for fast membership test
Yuya Nishihara <yuya@tcha.org>
parents: 23857
diff changeset
645 def __contains__(self, rev):
828dc8db5515 revlog: add __contains__ for fast membership test
Yuya Nishihara <yuya@tcha.org>
parents: 23857
diff changeset
646 return 0 <= rev < len(self)
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
647
6750
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog
Matt Mackall <mpm@selenic.com>
parents: 6703
diff changeset
648 def __len__(self):
38890
781b2720d2ac index: don't include nullid in len()
Martin von Zweigbergk <martinvonz@google.com>
parents: 38889
diff changeset
649 return len(self.index)
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
650
6750
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog
Matt Mackall <mpm@selenic.com>
parents: 6703
diff changeset
651 def __iter__(self):
38823
e7aa113b14f7 global: use pycompat.xrange()
Gregory Szorc <gregory.szorc@gmail.com>
parents: 38818
diff changeset
652 return iter(pycompat.xrange(len(self)))
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
653
17672
474047947b8f clfilter: make the revlog class responsible of all its iteration
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17537
diff changeset
654 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
655 """iterate over all rev in this revlog (from start to stop)"""
39886
d63153611ed5 storageutil: extract revision number iteration
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39884
diff changeset
656 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
657
43622
02802fa87b74 revlog: deprecate direct `nodemap` access
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43621
diff changeset
658 @property
13275
68da048b4c88 revlog: incrementally build node cache with linear searches
Matt Mackall <mpm@selenic.com>
parents: 13268
diff changeset
659 def nodemap(self):
43622
02802fa87b74 revlog: deprecate direct `nodemap` access
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43621
diff changeset
660 msg = (
43663
c207c46a86b9 py3: pass a bytes value for "msg" to nouideprecwarn()
Denis Laxalde <denis.laxalde@logilab.fr>
parents: 43628
diff changeset
661 b"revlog.nodemap is deprecated, "
c207c46a86b9 py3: pass a bytes value for "msg" to nouideprecwarn()
Denis Laxalde <denis.laxalde@logilab.fr>
parents: 43628
diff changeset
662 b"use revlog.index.[has_node|rev|get_rev]"
43622
02802fa87b74 revlog: deprecate direct `nodemap` access
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43621
diff changeset
663 )
02802fa87b74 revlog: deprecate direct `nodemap` access
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43621
diff changeset
664 util.nouideprecwarn(msg, b'5.3', stacklevel=2)
43576
90a0f631829e revlog: return the nodemap as the nodecache
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43574
diff changeset
665 return self.index.nodemap
13259
3b616dfa4b17 revlog: do revlog node->rev mapping by scanning
Matt Mackall <mpm@selenic.com>
parents: 13258
diff changeset
666
43578
6e3e3e5446ba revlog: deprecate the _nodecache attribute (API)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43577
diff changeset
667 @property
6e3e3e5446ba revlog: deprecate the _nodecache attribute (API)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43577
diff changeset
668 def _nodecache(self):
43663
c207c46a86b9 py3: pass a bytes value for "msg" to nouideprecwarn()
Denis Laxalde <denis.laxalde@logilab.fr>
parents: 43628
diff changeset
669 msg = b"revlog._nodecache is deprecated, use revlog.index.nodemap"
43578
6e3e3e5446ba revlog: deprecate the _nodecache attribute (API)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43577
diff changeset
670 util.nouideprecwarn(msg, b'5.3', stacklevel=2)
6e3e3e5446ba revlog: deprecate the _nodecache attribute (API)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43577
diff changeset
671 return self.index.nodemap
6e3e3e5446ba revlog: deprecate the _nodecache attribute (API)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43577
diff changeset
672
16374
29c2ff719715 revlog: add hasnode helper method
Matt Mackall <mpm@selenic.com>
parents: 15890
diff changeset
673 def hasnode(self, node):
29c2ff719715 revlog: add hasnode helper method
Matt Mackall <mpm@selenic.com>
parents: 15890
diff changeset
674 try:
29c2ff719715 revlog: add hasnode helper method
Matt Mackall <mpm@selenic.com>
parents: 15890
diff changeset
675 self.rev(node)
29c2ff719715 revlog: add hasnode helper method
Matt Mackall <mpm@selenic.com>
parents: 15890
diff changeset
676 return True
29c2ff719715 revlog: add hasnode helper method
Matt Mackall <mpm@selenic.com>
parents: 15890
diff changeset
677 except KeyError:
29c2ff719715 revlog: add hasnode helper method
Matt Mackall <mpm@selenic.com>
parents: 15890
diff changeset
678 return False
29c2ff719715 revlog: add hasnode helper method
Matt Mackall <mpm@selenic.com>
parents: 15890
diff changeset
679
35839
d031609b3cb7 changegroup: do not delta lfs revisions
Jun Wu <quark@fb.com>
parents: 35738
diff changeset
680 def candelta(self, baserev, rev):
d031609b3cb7 changegroup: do not delta lfs revisions
Jun Wu <quark@fb.com>
parents: 35738
diff changeset
681 """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
682 # 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
683 # 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
684 # 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
685 # 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
686 # rawtext contents) and the delta could be incompatible.
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
687 if (self.flags(baserev) & REVIDX_RAWTEXT_CHANGING_FLAGS) or (
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
688 self.flags(rev) & REVIDX_RAWTEXT_CHANGING_FLAGS
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
689 ):
35839
d031609b3cb7 changegroup: do not delta lfs revisions
Jun Wu <quark@fb.com>
parents: 35738
diff changeset
690 return False
d031609b3cb7 changegroup: do not delta lfs revisions
Jun Wu <quark@fb.com>
parents: 35738
diff changeset
691 return True
d031609b3cb7 changegroup: do not delta lfs revisions
Jun Wu <quark@fb.com>
parents: 35738
diff changeset
692
44465
336ec75ed1ac nodemap: warm the persistent nodemap on disk with debugupdatecache
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44397
diff changeset
693 def update_caches(self, transaction):
336ec75ed1ac nodemap: warm the persistent nodemap on disk with debugupdatecache
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44397
diff changeset
694 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: 44397
diff changeset
695 if transaction is None:
336ec75ed1ac nodemap: warm the persistent nodemap on disk with debugupdatecache
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44397
diff changeset
696 nodemaputil.update_persistent_nodemap(self)
336ec75ed1ac nodemap: warm the persistent nodemap on disk with debugupdatecache
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44397
diff changeset
697 else:
336ec75ed1ac nodemap: warm the persistent nodemap on disk with debugupdatecache
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44397
diff changeset
698 nodemaputil.setup_persistent_nodemap(transaction, self)
336ec75ed1ac nodemap: warm the persistent nodemap on disk with debugupdatecache
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44397
diff changeset
699
16414
e8d37b78acfb parsers: use base-16 trie for faster node->rev mapping
Bryan O'Sullivan <bryano@fb.com>
parents: 16375
diff changeset
700 def clearcaches(self):
40053
55db747a21ad revlog: rename _cache to _revisioncache
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40011
diff changeset
701 self._revisioncache = None
29841
92ac2baaea86 revlog: use an LRU cache for delta chain bases
Gregory Szorc <gregory.szorc@gmail.com>
parents: 29840
diff changeset
702 self._chainbasecache.clear()
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
703 self._chunkcache = (0, b'')
27465
072a675c51f2 revlog: make clearcaches() more effective
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27449
diff changeset
704 self._pcache = {}
44511
87b327de772c nodemap: refresh the persistent data on nodemap creation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44503
diff changeset
705 self._nodemap_docket = None
43573
845e5b313783 revlog: move the nodemap into the index object (for pure)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43572
diff changeset
706 self.index.clearcaches()
44511
87b327de772c nodemap: refresh the persistent data on nodemap creation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44503
diff changeset
707 # The python code is the one responsible for validating the docket, we
87b327de772c nodemap: refresh the persistent data on nodemap creation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44503
diff changeset
708 # end up having to refresh it here.
87b327de772c nodemap: refresh the persistent data on nodemap creation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44503
diff changeset
709 use_nodemap = (
87b327de772c nodemap: refresh the persistent data on nodemap creation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44503
diff changeset
710 not self._inline
87b327de772c nodemap: refresh the persistent data on nodemap creation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44503
diff changeset
711 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: 44503
diff changeset
712 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: 44503
diff changeset
713 )
87b327de772c nodemap: refresh the persistent data on nodemap creation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44503
diff changeset
714 if use_nodemap:
87b327de772c nodemap: refresh the persistent data on nodemap creation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44503
diff changeset
715 nodemap_data = nodemaputil.persisted_data(self)
87b327de772c nodemap: refresh the persistent data on nodemap creation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44503
diff changeset
716 if nodemap_data is not None:
87b327de772c nodemap: refresh the persistent data on nodemap creation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44503
diff changeset
717 self._nodemap_docket = nodemap_data[0]
87b327de772c nodemap: refresh the persistent data on nodemap creation
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44503
diff changeset
718 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
719
13259
3b616dfa4b17 revlog: do revlog node->rev mapping by scanning
Matt Mackall <mpm@selenic.com>
parents: 13258
diff changeset
720 def rev(self, node):
13275
68da048b4c88 revlog: incrementally build node cache with linear searches
Matt Mackall <mpm@selenic.com>
parents: 13268
diff changeset
721 try:
43601
2da51e292734 index: use `index.rev` in `revlog.rev`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43600
diff changeset
722 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
723 except TypeError:
4092d12ba18a repoview: fix 0L with pack/unpack for 2.4
Matt Mackall <mpm@selenic.com>
parents: 21752
diff changeset
724 raise
39789
2cd93a8d4bde revlog: drop RevlogError alias (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39785
diff changeset
725 except error.RevlogError:
43573
845e5b313783 revlog: move the nodemap into the index object (for pure)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43572
diff changeset
726 # parsers.c radix tree lookup failed
47055
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
727 if (
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
728 node == self.nodeconstants.wdirid
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
729 or node in self.nodeconstants.wdirfilenodeids
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
730 ):
43573
845e5b313783 revlog: move the nodemap into the index object (for pure)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43572
diff changeset
731 raise error.WdirUnsupported
47162
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
732 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
733
30301
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
734 # Accessors for index entries.
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
735
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
736 # 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
737 # are flags.
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
738 def start(self, rev):
5006
c2febf5420e9 revlog: minor chunk speed-up
Matt Mackall <mpm@selenic.com>
parents: 5005
diff changeset
739 return int(self.index[rev][0] >> 16)
30301
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
740
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
741 def flags(self, rev):
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
742 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
743
4980
fc44c8df9d99 revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents: 4979
diff changeset
744 def length(self, rev):
fc44c8df9d99 revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents: 4979
diff changeset
745 return self.index[rev][1]
30301
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
746
46722
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
747 def sidedata_length(self, rev):
47150
84b176ad2860 revlog: replace REVLOGV2 check related to sidedata with `hassidedata` checks
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47148
diff changeset
748 if not self.hassidedata:
46722
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
749 return 0
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
750 return self.index[rev][9]
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
751
30301
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
752 def rawsize(self, rev):
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
753 """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
754 l = self.index[rev][2]
38210
7fa3408f83ef revlog: disallow setting uncompressed length to None
Yuya Nishihara <yuya@tcha.org>
parents: 38202
diff changeset
755 if l >= 0:
30301
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
756 return l
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
757
42784
5a8f2c8edff6 rawdata: update caller in revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42749
diff changeset
758 t = self.rawdata(rev)
30301
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
759 return len(t)
31856
0ab7f469d386 revlog: make "size" diverge from "rawsize"
Jun Wu <quark@fb.com>
parents: 31804
diff changeset
760
0ab7f469d386 revlog: make "size" diverge from "rawsize"
Jun Wu <quark@fb.com>
parents: 31804
diff changeset
761 def size(self, rev):
0ab7f469d386 revlog: make "size" diverge from "rawsize"
Jun Wu <quark@fb.com>
parents: 31804
diff changeset
762 """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
763 # 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
764 # 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
765 flags = self.flags(rev)
42747
92ac6b1697a7 flagutil: move REVIDX_KNOWN_FLAGS source of truth in flagutil (API)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42746
diff changeset
766 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
767 return self.rawsize(rev)
0ab7f469d386 revlog: make "size" diverge from "rawsize"
Jun Wu <quark@fb.com>
parents: 31804
diff changeset
768
0ab7f469d386 revlog: make "size" diverge from "rawsize"
Jun Wu <quark@fb.com>
parents: 31804
diff changeset
769 return len(self.revision(rev, raw=False))
30301
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
770
14252
19067884c5f5 revlog: calculate base revisions iteratively
Sune Foldager <cryo@cyanite.org>
parents: 14251
diff changeset
771 def chainbase(self, rev):
29841
92ac2baaea86 revlog: use an LRU cache for delta chain bases
Gregory Szorc <gregory.szorc@gmail.com>
parents: 29840
diff changeset
772 base = self._chainbasecache.get(rev)
92ac2baaea86 revlog: use an LRU cache for delta chain bases
Gregory Szorc <gregory.szorc@gmail.com>
parents: 29840
diff changeset
773 if base is not None:
92ac2baaea86 revlog: use an LRU cache for delta chain bases
Gregory Szorc <gregory.szorc@gmail.com>
parents: 29840
diff changeset
774 return base
92ac2baaea86 revlog: use an LRU cache for delta chain bases
Gregory Szorc <gregory.szorc@gmail.com>
parents: 29840
diff changeset
775
14252
19067884c5f5 revlog: calculate base revisions iteratively
Sune Foldager <cryo@cyanite.org>
parents: 14251
diff changeset
776 index = self.index
38202
fc72beec2a1a revlog: make chainbase cache its result for the correct revision
Paul Morelle <paul.morelle@octobus.net>
parents: 38201
diff changeset
777 iterrev = rev
fc72beec2a1a revlog: make chainbase cache its result for the correct revision
Paul Morelle <paul.morelle@octobus.net>
parents: 38201
diff changeset
778 base = index[iterrev][3]
fc72beec2a1a revlog: make chainbase cache its result for the correct revision
Paul Morelle <paul.morelle@octobus.net>
parents: 38201
diff changeset
779 while base != iterrev:
fc72beec2a1a revlog: make chainbase cache its result for the correct revision
Paul Morelle <paul.morelle@octobus.net>
parents: 38201
diff changeset
780 iterrev = base
fc72beec2a1a revlog: make chainbase cache its result for the correct revision
Paul Morelle <paul.morelle@octobus.net>
parents: 38201
diff changeset
781 base = index[iterrev][3]
29841
92ac2baaea86 revlog: use an LRU cache for delta chain bases
Gregory Szorc <gregory.szorc@gmail.com>
parents: 29840
diff changeset
782
92ac2baaea86 revlog: use an LRU cache for delta chain bases
Gregory Szorc <gregory.szorc@gmail.com>
parents: 29840
diff changeset
783 self._chainbasecache[rev] = base
14252
19067884c5f5 revlog: calculate base revisions iteratively
Sune Foldager <cryo@cyanite.org>
parents: 14251
diff changeset
784 return base
30301
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
785
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
786 def linkrev(self, rev):
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
787 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
788
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
789 def parentrevs(self, rev):
32441
a28c76e1cea9 revlog: raise WdirUnsupported when wdirrev is passed
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32431
diff changeset
790 try:
35525
a0fab647a8f1 revlog: don't use slicing to return parents
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35354
diff changeset
791 entry = self.index[rev]
32441
a28c76e1cea9 revlog: raise WdirUnsupported when wdirrev is passed
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32431
diff changeset
792 except IndexError:
a28c76e1cea9 revlog: raise WdirUnsupported when wdirrev is passed
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32431
diff changeset
793 if rev == wdirrev:
a28c76e1cea9 revlog: raise WdirUnsupported when wdirrev is passed
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32431
diff changeset
794 raise error.WdirUnsupported
a28c76e1cea9 revlog: raise WdirUnsupported when wdirrev is passed
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32431
diff changeset
795 raise
46792
49fd21f32695 revlog: guarantee that p1 != null if a non-null parent exists
Joerg Sonnenberger <joerg@bec.de>
parents: 46731
diff changeset
796 if entry[5] == nullrev:
49fd21f32695 revlog: guarantee that p1 != null if a non-null parent exists
Joerg Sonnenberger <joerg@bec.de>
parents: 46731
diff changeset
797 return entry[6], entry[5]
49fd21f32695 revlog: guarantee that p1 != null if a non-null parent exists
Joerg Sonnenberger <joerg@bec.de>
parents: 46731
diff changeset
798 else:
49fd21f32695 revlog: guarantee that p1 != null if a non-null parent exists
Joerg Sonnenberger <joerg@bec.de>
parents: 46731
diff changeset
799 return entry[5], entry[6]
35525
a0fab647a8f1 revlog: don't use slicing to return parents
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35354
diff changeset
800
40152
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each
Yuya Nishihara <yuya@tcha.org>
parents: 40057
diff changeset
801 # fast parentrevs(rev) where rev isn't filtered
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each
Yuya Nishihara <yuya@tcha.org>
parents: 40057
diff changeset
802 _uncheckedparentrevs = parentrevs
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each
Yuya Nishihara <yuya@tcha.org>
parents: 40057
diff changeset
803
30301
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
804 def node(self, rev):
32481
34e9b8b94f66 revlog: raise error.WdirUnsupported from revlog.node() if wdirrev is passed
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32441
diff changeset
805 try:
34e9b8b94f66 revlog: raise error.WdirUnsupported from revlog.node() if wdirrev is passed
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32441
diff changeset
806 return self.index[rev][7]
34e9b8b94f66 revlog: raise error.WdirUnsupported from revlog.node() if wdirrev is passed
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32441
diff changeset
807 except IndexError:
34e9b8b94f66 revlog: raise error.WdirUnsupported from revlog.node() if wdirrev is passed
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32441
diff changeset
808 if rev == wdirrev:
34e9b8b94f66 revlog: raise error.WdirUnsupported from revlog.node() if wdirrev is passed
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32441
diff changeset
809 raise error.WdirUnsupported
34e9b8b94f66 revlog: raise error.WdirUnsupported from revlog.node() if wdirrev is passed
Pulkit Goyal <7895pulkit@gmail.com>
parents: 32441
diff changeset
810 raise
30301
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
811
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
812 # Derived from index values.
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
813
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
814 def end(self, rev):
46723
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46722
diff changeset
815 return self.start(rev) + self.length(rev)
30301
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
816
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
817 def parents(self, node):
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
818 i = self.index
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
819 d = i[self.rev(node)]
46792
49fd21f32695 revlog: guarantee that p1 != null if a non-null parent exists
Joerg Sonnenberger <joerg@bec.de>
parents: 46731
diff changeset
820 # inline node() to avoid function call overhead
47055
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
821 if d[5] == self.nullid:
46792
49fd21f32695 revlog: guarantee that p1 != null if a non-null parent exists
Joerg Sonnenberger <joerg@bec.de>
parents: 46731
diff changeset
822 return i[d[6]][7], i[d[5]][7]
49fd21f32695 revlog: guarantee that p1 != null if a non-null parent exists
Joerg Sonnenberger <joerg@bec.de>
parents: 46731
diff changeset
823 else:
49fd21f32695 revlog: guarantee that p1 != null if a non-null parent exists
Joerg Sonnenberger <joerg@bec.de>
parents: 46731
diff changeset
824 return i[d[5]][7], i[d[6]][7]
30301
0986f225c149 revlog: reorder index accessors to match data structure order
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30210
diff changeset
825
23254
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d
Mateusz Kwapich <mitrandir@fb.com>
parents: 22934
diff changeset
826 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
827 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
828
23286
40e0067899d4 revlog: compute length of compressed deltas along with chain length
Siddharth Agarwal <sid0@fb.com>
parents: 23285
diff changeset
829 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
830 chaininfocache = self._chaininfocache
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452)
Siddharth Agarwal <sid0@fb.com>
parents: 23288
diff changeset
831 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
832 return chaininfocache[rev]
23254
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d
Mateusz Kwapich <mitrandir@fb.com>
parents: 22934
diff changeset
833 index = self.index
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d
Mateusz Kwapich <mitrandir@fb.com>
parents: 22934
diff changeset
834 generaldelta = self._generaldelta
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d
Mateusz Kwapich <mitrandir@fb.com>
parents: 22934
diff changeset
835 iterrev = rev
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d
Mateusz Kwapich <mitrandir@fb.com>
parents: 22934
diff changeset
836 e = index[iterrev]
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d
Mateusz Kwapich <mitrandir@fb.com>
parents: 22934
diff changeset
837 clen = 0
23286
40e0067899d4 revlog: compute length of compressed deltas along with chain length
Siddharth Agarwal <sid0@fb.com>
parents: 23285
diff changeset
838 compresseddeltalen = 0
23254
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d
Mateusz Kwapich <mitrandir@fb.com>
parents: 22934
diff changeset
839 while iterrev != e[3]:
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d
Mateusz Kwapich <mitrandir@fb.com>
parents: 22934
diff changeset
840 clen += 1
23286
40e0067899d4 revlog: compute length of compressed deltas along with chain length
Siddharth Agarwal <sid0@fb.com>
parents: 23285
diff changeset
841 compresseddeltalen += e[1]
23254
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d
Mateusz Kwapich <mitrandir@fb.com>
parents: 22934
diff changeset
842 if generaldelta:
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d
Mateusz Kwapich <mitrandir@fb.com>
parents: 22934
diff changeset
843 iterrev = e[3]
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d
Mateusz Kwapich <mitrandir@fb.com>
parents: 22934
diff changeset
844 else:
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d
Mateusz Kwapich <mitrandir@fb.com>
parents: 22934
diff changeset
845 iterrev -= 1
23306
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452)
Siddharth Agarwal <sid0@fb.com>
parents: 23288
diff changeset
846 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
847 t = chaininfocache[iterrev]
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452)
Siddharth Agarwal <sid0@fb.com>
parents: 23288
diff changeset
848 clen += t[0]
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452)
Siddharth Agarwal <sid0@fb.com>
parents: 23288
diff changeset
849 compresseddeltalen += t[1]
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452)
Siddharth Agarwal <sid0@fb.com>
parents: 23288
diff changeset
850 break
23254
d23834b871ac debugrevlog: fix computing chain length in debugrevlog -d
Mateusz Kwapich <mitrandir@fb.com>
parents: 22934
diff changeset
851 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
852 else:
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452)
Siddharth Agarwal <sid0@fb.com>
parents: 23288
diff changeset
853 # 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
854 # 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
855 compresseddeltalen += e[1]
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452)
Siddharth Agarwal <sid0@fb.com>
parents: 23288
diff changeset
856 r = (clen, compresseddeltalen)
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452)
Siddharth Agarwal <sid0@fb.com>
parents: 23288
diff changeset
857 chaininfocache[rev] = r
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452)
Siddharth Agarwal <sid0@fb.com>
parents: 23288
diff changeset
858 return r
f7a42f8e82bd revlog: cache chain info after calculating it for a rev (issue4452)
Siddharth Agarwal <sid0@fb.com>
parents: 23288
diff changeset
859
27468
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
860 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
861 """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
862
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
863 ``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
864 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
865
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
866 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
867 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
868 ``stoprev`` was hit.
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
869 """
33173
6d678ab1b10d revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32987
diff changeset
870 # Try C implementation.
6d678ab1b10d revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32987
diff changeset
871 try:
6d678ab1b10d revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32987
diff changeset
872 return self.index.deltachain(rev, stoprev, self._generaldelta)
6d678ab1b10d revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32987
diff changeset
873 except AttributeError:
6d678ab1b10d revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32987
diff changeset
874 pass
6d678ab1b10d revlog: C implementation of delta chain resolution
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32987
diff changeset
875
27468
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
876 chain = []
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
877
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
878 # 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
879 index = self.index
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
880 generaldelta = self._generaldelta
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
881
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
882 iterrev = rev
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
883 e = index[iterrev]
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
884 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
885 chain.append(iterrev)
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
886 if generaldelta:
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
887 iterrev = e[3]
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
888 else:
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
889 iterrev -= 1
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
890 e = index[iterrev]
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
891
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
892 if iterrev == stoprev:
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
893 stopped = True
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
894 else:
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
895 chain.append(iterrev)
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
896 stopped = False
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
897
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
898 chain.reverse()
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
899 return chain, stopped
93ac15f03331 revlog: refactor delta chain computation into own function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27465
diff changeset
900
18081
f88c60e740a1 revlog.ancestors: add support for including revs
Siddharth Agarwal <sid0@fb.com>
parents: 17975
diff changeset
901 def ancestors(self, revs, stoprev=0, inclusive=False):
40772
8947f49daaa8 revlog: update the docstring of `ancestors` to match reality
Boris Feld <boris.feld@octobus.net>
parents: 40671
diff changeset
902 """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
903 Does not generate revs lower than stoprev.
10047
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
904
18090
9abc55ef85b5 revlog: move ancestor generation out to a new class
Siddharth Agarwal <sid0@fb.com>
parents: 18083
diff changeset
905 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
906
40152
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each
Yuya Nishihara <yuya@tcha.org>
parents: 40057
diff changeset
907 # first, make sure start revisions aren't filtered
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each
Yuya Nishihara <yuya@tcha.org>
parents: 40057
diff changeset
908 revs = list(revs)
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each
Yuya Nishihara <yuya@tcha.org>
parents: 40057
diff changeset
909 checkrev = self.node
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each
Yuya Nishihara <yuya@tcha.org>
parents: 40057
diff changeset
910 for r in revs:
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each
Yuya Nishihara <yuya@tcha.org>
parents: 40057
diff changeset
911 checkrev(r)
adbf8ca239e4 revlog: optimize ancestors() to not check filtered revisions for each
Yuya Nishihara <yuya@tcha.org>
parents: 40057
diff changeset
912 # and we're sure ancestors aren't filtered as well
41118
536c83535cbd rust-cpython: using the new bindings from Python
Georges Racinet <gracinet@anybox.fr>
parents: 41089
diff changeset
913
42468
a3a8887e4426 rust: using policy.importrust from Python callers
Georges Racinet <georges.racinet@octobus.net>
parents: 42462
diff changeset
914 if rustancestor is not None:
a3a8887e4426 rust: using policy.importrust from Python callers
Georges Racinet <georges.racinet@octobus.net>
parents: 42462
diff changeset
915 lazyancestors = rustancestor.LazyAncestors
41118
536c83535cbd rust-cpython: using the new bindings from Python
Georges Racinet <gracinet@anybox.fr>
parents: 41089
diff changeset
916 arg = self.index
536c83535cbd rust-cpython: using the new bindings from Python
Georges Racinet <gracinet@anybox.fr>
parents: 41089
diff changeset
917 else:
536c83535cbd rust-cpython: using the new bindings from Python
Georges Racinet <gracinet@anybox.fr>
parents: 41089
diff changeset
918 lazyancestors = ancestor.lazyancestors
536c83535cbd rust-cpython: using the new bindings from Python
Georges Racinet <gracinet@anybox.fr>
parents: 41089
diff changeset
919 arg = self._uncheckedparentrevs
536c83535cbd rust-cpython: using the new bindings from Python
Georges Racinet <gracinet@anybox.fr>
parents: 41089
diff changeset
920 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
921
16867
1093ad1e8903 revlog: descendants(*revs) becomes descendants(revs) (API)
Bryan O'Sullivan <bryano@fb.com>
parents: 16866
diff changeset
922 def descendants(self, revs):
40000
0b24fcd88066 dagop: extract descendants() from revlog module
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39913
diff changeset
923 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
924
13741
b51bf961b3cb wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13400
diff changeset
925 def findcommonmissing(self, common=None, heads=None):
b51bf961b3cb wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13400
diff changeset
926 """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
927 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
928 tuple:
10047
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
929
15835
fa15869bf95c revlog: improve docstring for findcommonmissing
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 15827
diff changeset
930 ::common, (::heads) - (::common)
7233
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
931
10047
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
932 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
933 topologically sorted.
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
934
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
935 '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
936 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
937 supplied, uses nullid."""
7233
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
938 if common is None:
47055
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
939 common = [self.nullid]
7233
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
940 if heads is None:
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
941 heads = self.heads()
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
942
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
943 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
944 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
945
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
946 # we want the ancestors, but inclusive
20073
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
947 class lazyset(object):
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
948 def __init__(self, lazyvalues):
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
949 self.addedvalues = set()
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
950 self.lazyvalues = lazyvalues
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
951
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
952 def __contains__(self, value):
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
953 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
954
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
955 def __iter__(self):
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
956 added = self.addedvalues
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
957 for r in added:
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
958 yield r
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
959 for r in self.lazyvalues:
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
960 if not r in added:
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
961 yield r
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
962
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
963 def add(self, value):
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
964 self.addedvalues.add(value)
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
965
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
966 def update(self, values):
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
967 self.addedvalues.update(values)
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
968
eeba4eaf0716 revlog: return lazy set from findcommonmissing
Durham Goode <durham@fb.com>
parents: 19776
diff changeset
969 has = lazyset(self.ancestors(common))
8152
08e1baf924ca replace set-like dictionaries with real sets
Martin Geisler <mg@lazybytes.net>
parents: 8150
diff changeset
970 has.add(nullrev)
08e1baf924ca replace set-like dictionaries with real sets
Martin Geisler <mg@lazybytes.net>
parents: 8150
diff changeset
971 has.update(common)
7233
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
972
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
973 # 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
974 missing = set()
25113
0ca8410ea345 util: drop alias for collections.deque
Martin von Zweigbergk <martinvonz@google.com>
parents: 24454
diff changeset
975 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
976 while visit:
16803
107a3270a24a cleanup: use the deque type where appropriate
Bryan O'Sullivan <bryano@fb.com>
parents: 16786
diff changeset
977 r = visit.popleft()
7233
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
978 if r in missing:
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
979 continue
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
980 else:
8453
d1ca637b0773 revlog.missing(): use sets instead of a dict
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 8391
diff changeset
981 missing.add(r)
7233
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
982 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
983 if p not in has:
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
984 visit.append(p)
8453
d1ca637b0773 revlog.missing(): use sets instead of a dict
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 8391
diff changeset
985 missing = list(missing)
7233
9f0e52e1df77 fix pull racing with push/commit (issue1320)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 7109
diff changeset
986 missing.sort()
30401
2ded17b64f09 revlog: avoid shadowing several variables using list comprehensions
Augie Fackler <augie@google.com>
parents: 30303
diff changeset
987 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
988
23337
3a8a763f4197 revlog: add a method to get missing revs incrementally
Siddharth Agarwal <sid0@fb.com>
parents: 23328
diff changeset
989 def incrementalmissingrevs(self, common=None):
3a8a763f4197 revlog: add a method to get missing revs incrementally
Siddharth Agarwal <sid0@fb.com>
parents: 23328
diff changeset
990 """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
991 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
992 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
993 object.
3a8a763f4197 revlog: add a method to get missing revs incrementally
Siddharth Agarwal <sid0@fb.com>
parents: 23328
diff changeset
994
3a8a763f4197 revlog: add a method to get missing revs incrementally
Siddharth Agarwal <sid0@fb.com>
parents: 23328
diff changeset
995 '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
996 nullrev.
3a8a763f4197 revlog: add a method to get missing revs incrementally
Siddharth Agarwal <sid0@fb.com>
parents: 23328
diff changeset
997 """
3a8a763f4197 revlog: add a method to get missing revs incrementally
Siddharth Agarwal <sid0@fb.com>
parents: 23328
diff changeset
998 if common is None:
3a8a763f4197 revlog: add a method to get missing revs incrementally
Siddharth Agarwal <sid0@fb.com>
parents: 23328
diff changeset
999 common = [nullrev]
3a8a763f4197 revlog: add a method to get missing revs incrementally
Siddharth Agarwal <sid0@fb.com>
parents: 23328
diff changeset
1000
42468
a3a8887e4426 rust: using policy.importrust from Python callers
Georges Racinet <georges.racinet@octobus.net>
parents: 42462
diff changeset
1001 if rustancestor is not None:
a3a8887e4426 rust: using policy.importrust from Python callers
Georges Racinet <georges.racinet@octobus.net>
parents: 42462
diff changeset
1002 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
1003 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
1004
17972
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
1005 def findmissingrevs(self, common=None, heads=None):
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
1006 """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
1007 are not ancestors of common.
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
1008
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
1009 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
1010 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
1011
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
1012 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
1013 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
1014
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
1015 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
1016 topologically sorted.
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
1017
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
1018 '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
1019 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
1020 supplied, uses nullid."""
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
1021 if common is None:
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
1022 common = [nullrev]
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
1023 if heads is None:
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
1024 heads = self.headrevs()
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
1025
23338
d8f5b2f50f41 revlog: switch findmissing* methods to incrementalmissingrevs
Siddharth Agarwal <sid0@fb.com>
parents: 23337
diff changeset
1026 inc = self.incrementalmissingrevs(common=common)
d8f5b2f50f41 revlog: switch findmissing* methods to incrementalmissingrevs
Siddharth Agarwal <sid0@fb.com>
parents: 23337
diff changeset
1027 return inc.missingancestors(heads)
17972
7ef00d09ef35 revlog: add rev-specific variant of findmissing
Siddharth Agarwal <sid0@fb.com>
parents: 17971
diff changeset
1028
13741
b51bf961b3cb wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13400
diff changeset
1029 def findmissing(self, common=None, heads=None):
b51bf961b3cb wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13400
diff changeset
1030 """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
1031
b51bf961b3cb wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13400
diff changeset
1032 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
1033 satisfies the following constraints:
b51bf961b3cb wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13400
diff changeset
1034
b51bf961b3cb wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13400
diff changeset
1035 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
1036 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
1037
b51bf961b3cb wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13400
diff changeset
1038 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
1039 topologically sorted.
b51bf961b3cb wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13400
diff changeset
1040
b51bf961b3cb wireproto: add getbundle() function
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13400
diff changeset
1041 '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
1042 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
1043 supplied, uses nullid."""
17971
e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors
Siddharth Agarwal <sid0@fb.com>
parents: 17951
diff changeset
1044 if common is None:
47055
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
1045 common = [self.nullid]
17971
e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors
Siddharth Agarwal <sid0@fb.com>
parents: 17951
diff changeset
1046 if heads is None:
e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors
Siddharth Agarwal <sid0@fb.com>
parents: 17951
diff changeset
1047 heads = self.heads()
e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors
Siddharth Agarwal <sid0@fb.com>
parents: 17951
diff changeset
1048
e1b9a78a7aed revlog: switch findmissing to use ancestor.missingancestors
Siddharth Agarwal <sid0@fb.com>
parents: 17951
diff changeset
1049 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
1050 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
1051
23338
d8f5b2f50f41 revlog: switch findmissing* methods to incrementalmissingrevs
Siddharth Agarwal <sid0@fb.com>
parents: 23337
diff changeset
1052 inc = self.incrementalmissingrevs(common=common)
d8f5b2f50f41 revlog: switch findmissing* methods to incrementalmissingrevs
Siddharth Agarwal <sid0@fb.com>
parents: 23337
diff changeset
1053 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
1054
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1055 def nodesbetween(self, roots=None, heads=None):
10047
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
1056 """Return a topological path from 'roots' to 'heads'.
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
1057
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
1058 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
1059 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
1060 these constraints:
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
1061
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
1062 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
1063 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
1064
10047
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
1065 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
1066 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
1067 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
1068
10047
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
1069 '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
1070 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
1071 '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
1072
27267b1f68b4 revlog: rewrite several method docstrings
Greg Ward <greg-hg@gerg.ca>
parents: 9679
diff changeset
1073 '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
1074 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
1075 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
1076 nonodes = ([], [], [])
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1077 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
1078 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
1079 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
1080 return nonodes
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1081 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
1082 else:
47055
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
1083 roots = [self.nullid] # Everybody's a descendant of nullid
3578
3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3508
diff changeset
1084 lowestrev = nullrev
3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3508
diff changeset
1085 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
1086 # We want _all_ the nodes!
47055
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
1087 return (
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
1088 [self.node(r) for r in self],
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
1089 [self.nullid],
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
1090 list(self.heads()),
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
1091 )
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1092 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
1093 # 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
1094 # node.
6750
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog
Matt Mackall <mpm@selenic.com>
parents: 6703
diff changeset
1095 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
1096 # 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
1097 ancestors = None
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1098 # 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
1099 heads = {}
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1100 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
1101 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
1102 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
1103 return nonodes
8464
7af92e70bb25 revlog: use set instead of dict
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 8453
diff changeset
1104 ancestors = set()
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1105 # 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
1106 # 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
1107 # find from roots.
14219
c33427080671 revlog: use real Booleans instead of 0/1 in nodesbetween
Martin Geisler <mg@aragost.com>
parents: 14208
diff changeset
1108 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
1109 # 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
1110 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
1111 # 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
1112 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
1113 while nodestotag:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1114 # 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
1115 n = nodestotag.pop()
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1116 # Never tag nullid
47055
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
1117 if n == self.nullid:
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1118 continue
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1119 # 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
1120 # 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
1121 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
1122 if r >= lowestrev:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1123 if n not in ancestors:
14549
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
1124 # 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
1125 # 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
1126 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
1127 # 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
1128 nodestotag.update(
47055
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
1129 [p for p in self.parents(n) if p != self.nullid]
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1130 )
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1131 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
1132 # 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
1133 # any other heads.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1134 heads.pop(n)
1459
106fdec8e1fb Fix small bug in nodesbetween if heads is [nullid].
Eric Hopper <hopper@omnifarious.org>
parents: 1458
diff changeset
1135 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
1136 return nonodes
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1137 # 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
1138 # 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
1139
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1140 # 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
1141 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
1142 # 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
1143 # 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
1144
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1145 # Filter out roots that aren't ancestors of heads
30401
2ded17b64f09 revlog: avoid shadowing several variables using list comprehensions
Augie Fackler <augie@google.com>
parents: 30303
diff changeset
1146 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
1147 # 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
1148 if roots:
30401
2ded17b64f09 revlog: avoid shadowing several variables using list comprehensions
Augie Fackler <augie@google.com>
parents: 30303
diff changeset
1149 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
1150 else:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1151 # 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
1152 return nonodes
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1153 else:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1154 # 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
1155 # 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
1156 lowestrev = nullrev
47055
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
1157 roots = [self.nullid]
8152
08e1baf924ca replace set-like dictionaries with real sets
Martin Geisler <mg@lazybytes.net>
parents: 8150
diff changeset
1158 # Transform our roots list into a set.
14549
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
1159 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
1160 # 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
1161 # '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
1162 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
1163 # 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
1164 orderedout = []
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1165 # 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
1166 # 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
1167 # 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
1168 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
1169 n = self.node(r)
14549
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
1170 isdescendant = False
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
1171 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
1172 isdescendant = True
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
1173 elif n in descendants:
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
1174 # n is already a descendant
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
1175 isdescendant = True
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1176 # 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
1177 # 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
1178 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
1179 # 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
1180 p = tuple(self.parents(n))
14549
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
1181 # 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
1182 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
1183 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
1184 else:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1185 p = tuple(self.parents(n))
14549
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
1186 # 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
1187 # 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
1188 # up there, remember?)
14549
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
1189 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
1190 descendants.add(n)
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
1191 isdescendant = True
48ec0763afbb check-code: catch misspellings of descendant
Matt Mackall <mpm@selenic.com>
parents: 14523
diff changeset
1192 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
1193 # 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
1194 orderedout.append(n)
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1195 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
1196 # 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
1197 # from roots.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1198 # 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
1199 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
1200 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
1201 # 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
1202 # 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
1203 # 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
1204 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
1205 # 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
1206 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
1207 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
1208 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
1209 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
1210 assert orderedout
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1211 assert roots
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1212 assert heads
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
1213 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
1214
41275
1421d0487a61 revlog: accept a revs argument in `headrevs`
Boris Feld <boris.feld@octobus.net>
parents: 41247
diff changeset
1215 def headrevs(self, revs=None):
1421d0487a61 revlog: accept a revs argument in `headrevs`
Boris Feld <boris.feld@octobus.net>
parents: 41247
diff changeset
1216 if revs is None:
1421d0487a61 revlog: accept a revs argument in `headrevs`
Boris Feld <boris.feld@octobus.net>
parents: 41247
diff changeset
1217 try:
1421d0487a61 revlog: accept a revs argument in `headrevs`
Boris Feld <boris.feld@octobus.net>
parents: 41247
diff changeset
1218 return self.index.headrevs()
1421d0487a61 revlog: accept a revs argument in `headrevs`
Boris Feld <boris.feld@octobus.net>
parents: 41247
diff changeset
1219 except AttributeError:
1421d0487a61 revlog: accept a revs argument in `headrevs`
Boris Feld <boris.feld@octobus.net>
parents: 41247
diff changeset
1220 return self._headrevs()
42468
a3a8887e4426 rust: using policy.importrust from Python callers
Georges Racinet <georges.racinet@octobus.net>
parents: 42462
diff changeset
1221 if rustdagop is not None:
a3a8887e4426 rust: using policy.importrust from Python callers
Georges Racinet <georges.racinet@octobus.net>
parents: 42462
diff changeset
1222 return rustdagop.headrevs(self.index, revs)
41772
6843379bf99e changelog: prefilter in headrevs()
Georges Racinet <georges.racinet@octobus.net>
parents: 41700
diff changeset
1223 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
1224
24444
27e3ba73fbb1 phase: default to C implementation for phase computation
Laurent Charignon <lcharignon@fb.com>
parents: 24255
diff changeset
1225 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
1226 return self.index.computephasesmapsets(roots)
24444
27e3ba73fbb1 phase: default to C implementation for phase computation
Laurent Charignon <lcharignon@fb.com>
parents: 24255
diff changeset
1227
17674
e69274f8d444 clfilter: split `revlog.headrevs` C call from python code
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17673
diff changeset
1228 def _headrevs(self):
14164
cb98fed52495 discovery: add new set-based discovery
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 14144
diff changeset
1229 count = len(self)
cb98fed52495 discovery: add new set-based discovery
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 14144
diff changeset
1230 if not count:
cb98fed52495 discovery: add new set-based discovery
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 14144
diff changeset
1231 return [nullrev]
17673
d686c6876ef6 clfilter: handle non contiguous iteration in `revlov.headrevs`
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17672
diff changeset
1232 # 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
1233 ishead = [0] * (count + 1)
14164
cb98fed52495 discovery: add new set-based discovery
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 14144
diff changeset
1234 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
1235 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
1236 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
1237 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
1238 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
1239 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
1240
3923
27230c29bfec fix calculation of new heads added during push with -r
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3755
diff changeset
1241 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
1242 """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
1243
e793cbc8be00 Fixes to "hg heads -r FOO":
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1550
diff changeset
1244 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
1245 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
1246 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
1247 as if they had no children
1551
e793cbc8be00 Fixes to "hg heads -r FOO":
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1550
diff changeset
1248 """
4991
9c8c42bcf17a revlog: implement a fast path for heads
Matt Mackall <mpm@selenic.com>
parents: 4990
diff changeset
1249 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
1250 if not len(self):
47055
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
1251 return [self.nullid]
14164
cb98fed52495 discovery: add new set-based discovery
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 14144
diff changeset
1252 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
1253
1551
e793cbc8be00 Fixes to "hg heads -r FOO":
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1550
diff changeset
1254 if start is None:
40001
8af835af0a85 dagop: extract DAG local heads functionality from revlog
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40000
diff changeset
1255 start = nullrev
8af835af0a85 dagop: extract DAG local heads functionality from revlog
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40000
diff changeset
1256 else:
8af835af0a85 dagop: extract DAG local heads functionality from revlog
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40000
diff changeset
1257 start = self.rev(start)
8af835af0a85 dagop: extract DAG local heads functionality from revlog
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40000
diff changeset
1258
44470
9d2b2df2c2ba cleanup: run pyupgrade on our source tree to clean up varying things
Augie Fackler <augie@google.com>
parents: 44465
diff changeset
1259 stoprevs = {self.rev(n) for n in stop or []}
40001
8af835af0a85 dagop: extract DAG local heads functionality from revlog
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40000
diff changeset
1260
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1261 revs = dagop.headrevssubset(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1262 self.revs, self.parentrevs, startrev=start, stoprevs=stoprevs
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1263 )
40001
8af835af0a85 dagop: extract DAG local heads functionality from revlog
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40000
diff changeset
1264
8af835af0a85 dagop: extract DAG local heads functionality from revlog
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40000
diff changeset
1265 return [self.node(rev) for rev in revs]
370
c90385d82aec revlog: add a children function
mpm@selenic.com
parents: 330
diff changeset
1266
c90385d82aec revlog: add a children function
mpm@selenic.com
parents: 330
diff changeset
1267 def children(self, node):
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1268 """find the children of a given node"""
370
c90385d82aec revlog: add a children function
mpm@selenic.com
parents: 330
diff changeset
1269 c = []
c90385d82aec revlog: add a children function
mpm@selenic.com
parents: 330
diff changeset
1270 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
1271 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
1272 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
1273 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
1274 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
1275 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
1276 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
1277 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
1278 c.append(self.node(r))
370
c90385d82aec revlog: add a children function
mpm@selenic.com
parents: 330
diff changeset
1279 return c
515
03f27b1381f9 Whitespace cleanups
mpm@selenic.com
parents: 484
diff changeset
1280
21104
40ace21cb3a1 revlog: introduce commonancestorsheads method
Mads Kiilerich <madski@unity3d.com>
parents: 20965
diff changeset
1281 def commonancestorsheads(self, a, b):
40ace21cb3a1 revlog: introduce commonancestorsheads method
Mads Kiilerich <madski@unity3d.com>
parents: 20965
diff changeset
1282 """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
1283 a, b = self.rev(a), self.rev(b)
38516
99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads
Boris Feld <boris.feld@octobus.net>
parents: 38515
diff changeset
1284 ancs = self._commonancestorsheads(a, b)
99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads
Boris Feld <boris.feld@octobus.net>
parents: 38515
diff changeset
1285 return pycompat.maplist(self.node, ancs)
99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads
Boris Feld <boris.feld@octobus.net>
parents: 38515
diff changeset
1286
99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads
Boris Feld <boris.feld@octobus.net>
parents: 38515
diff changeset
1287 def _commonancestorsheads(self, *revs):
99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads
Boris Feld <boris.feld@octobus.net>
parents: 38515
diff changeset
1288 """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
1289 try:
38516
99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads
Boris Feld <boris.feld@octobus.net>
parents: 38515
diff changeset
1290 ancs = self.index.commonancestorsheads(*revs)
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1291 except (AttributeError, OverflowError): # C implementation failed
38516
99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads
Boris Feld <boris.feld@octobus.net>
parents: 38515
diff changeset
1292 ancs = ancestor.commonancestorsheads(self.parentrevs, *revs)
99f864b34451 revlog: refactor out the rev-oriented part of commonancestorheads
Boris Feld <boris.feld@octobus.net>
parents: 38515
diff changeset
1293 return ancs
21104
40ace21cb3a1 revlog: introduce commonancestorsheads method
Mads Kiilerich <madski@unity3d.com>
parents: 20965
diff changeset
1294
22381
392ae5cb8d62 revlog: introduce isancestor method for efficiently determining node lineage
Mads Kiilerich <madski@unity3d.com>
parents: 22282
diff changeset
1295 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
1296 """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
1297
160da69ba1bf revlog: replace descendant(b, a) by isdescendantrev(a, b) (API)
Martin von Zweigbergk <martinvonz@google.com>
parents: 38663
diff changeset
1298 A revision is considered an ancestor of itself."""
38518
cc3543c87de5 revlog: reuse 'descendant' implemention in 'isancestor'
Boris Feld <boris.feld@octobus.net>
parents: 38517
diff changeset
1299 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
1300 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
1301
a06b2b032557 revlog: introduce a isancestorrev() and use it in rebase
Martin von Zweigbergk <martinvonz@google.com>
parents: 38665
diff changeset
1302 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
1303 """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
1304
38668
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev()
Martin von Zweigbergk <martinvonz@google.com>
parents: 38666
diff changeset
1305 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
1306
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev()
Martin von Zweigbergk <martinvonz@google.com>
parents: 38666
diff changeset
1307 The implementation of this is trivial but the use of
42462
055c3e2c44f0 revlog: speed up isancestor
Valentin Gatien-Baron <vgatien-baron@janestreet.com>
parents: 42044
diff changeset
1308 reachableroots is not."""
38668
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev()
Martin von Zweigbergk <martinvonz@google.com>
parents: 38666
diff changeset
1309 if a == nullrev:
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev()
Martin von Zweigbergk <martinvonz@google.com>
parents: 38666
diff changeset
1310 return True
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev()
Martin von Zweigbergk <martinvonz@google.com>
parents: 38666
diff changeset
1311 elif a == b:
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev()
Martin von Zweigbergk <martinvonz@google.com>
parents: 38666
diff changeset
1312 return True
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev()
Martin von Zweigbergk <martinvonz@google.com>
parents: 38666
diff changeset
1313 elif a > b:
21846c94e605 revlog: delete isdescendantrev() in favor of isancestorrev()
Martin von Zweigbergk <martinvonz@google.com>
parents: 38666
diff changeset
1314 return False
42462
055c3e2c44f0 revlog: speed up isancestor
Valentin Gatien-Baron <vgatien-baron@janestreet.com>
parents: 42044
diff changeset
1315 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
1316
055c3e2c44f0 revlog: speed up isancestor
Valentin Gatien-Baron <vgatien-baron@janestreet.com>
parents: 42044
diff changeset
1317 def reachableroots(self, minroot, heads, roots, includepath=False):
43799
2e30d7df4809 revlog: fix revset in reachableroots docstring
Jun Wu <quark@fb.com>
parents: 43663
diff changeset
1318 """return (heads(::(<roots> and <roots>::<heads>)))
42462
055c3e2c44f0 revlog: speed up isancestor
Valentin Gatien-Baron <vgatien-baron@janestreet.com>
parents: 42044
diff changeset
1319
055c3e2c44f0 revlog: speed up isancestor
Valentin Gatien-Baron <vgatien-baron@janestreet.com>
parents: 42044
diff changeset
1320 If includepath is True, return (<roots>::<heads>)."""
055c3e2c44f0 revlog: speed up isancestor
Valentin Gatien-Baron <vgatien-baron@janestreet.com>
parents: 42044
diff changeset
1321 try:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1322 return self.index.reachableroots2(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1323 minroot, heads, roots, includepath
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1324 )
42462
055c3e2c44f0 revlog: speed up isancestor
Valentin Gatien-Baron <vgatien-baron@janestreet.com>
parents: 42044
diff changeset
1325 except AttributeError:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1326 return dagop._reachablerootspure(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1327 self.parentrevs, minroot, roots, heads, includepath
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1328 )
22381
392ae5cb8d62 revlog: introduce isancestor method for efficiently determining node lineage
Mads Kiilerich <madski@unity3d.com>
parents: 22282
diff changeset
1329
21107
4a6c8b6b10d3 revlog: backout 514d32de6646 - commonancestors
Mads Kiilerich <madski@unity3d.com>
parents: 21104
diff changeset
1330 def ancestor(self, a, b):
22389
94f77624dbb5 comments: describe ancestor consistently - avoid 'least common ancestor'
Mads Kiilerich <madski@unity3d.com>
parents: 22381
diff changeset
1331 """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
1332
10897
adb6a291bbdb revlog: put graph related functions together
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 10404
diff changeset
1333 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
1334 try:
5bae936764bb parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents: 18987
diff changeset
1335 ancs = self.index.ancestors(a, b)
21107
4a6c8b6b10d3 revlog: backout 514d32de6646 - commonancestors
Mads Kiilerich <madski@unity3d.com>
parents: 21104
diff changeset
1336 except (AttributeError, OverflowError):
18988
5bae936764bb parsers: a C implementation of the new ancestors algorithm
Bryan O'Sullivan <bryano@fb.com>
parents: 18987
diff changeset
1337 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
1338 if ancs:
3605d4e7e618 revlog: choose a consistent ancestor when there's a tie
Bryan O'Sullivan <bryano@fb.com>
parents: 18986
diff changeset
1339 # choose a consistent winner when there's a tie
21107
4a6c8b6b10d3 revlog: backout 514d32de6646 - commonancestors
Mads Kiilerich <madski@unity3d.com>
parents: 21104
diff changeset
1340 return min(map(self.node, ancs))
47055
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
1341 return self.nullid
10897
adb6a291bbdb revlog: put graph related functions together
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 10404
diff changeset
1342
3453
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
1343 def _match(self, id):
16762
93f8b9565257 revlog: don't handle long for revision matching
Matt Mackall <mpm@selenic.com>
parents: 16686
diff changeset
1344 if isinstance(id, int):
3156
d01e4cb2f5f2 cleanups in revlog.lookup
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3139
diff changeset
1345 # 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
1346 return self.node(id)
47082
c5e1cc0b4c77 core: don't hard-code node length
Joerg Sonnenberger <joerg@bec.de>
parents: 47081
diff changeset
1347 if len(id) == self.nodeconstants.nodelen:
3438
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
1348 # possibly a binary node
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
1349 # 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
1350 try:
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
1351 node = id
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1352 self.rev(node) # quick search the index
3438
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
1353 return node
39791
974592474dee revlog: drop LookupError alias (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39790
diff changeset
1354 except error.LookupError:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1355 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
1356 try:
3156
d01e4cb2f5f2 cleanups in revlog.lookup
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3139
diff changeset
1357 # str(rev)
36
da28286bf6b7 Add smart node lookup by substring or by rev number
mpm@selenic.com
parents: 26
diff changeset
1358 rev = int(id)
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
1359 if b"%d" % rev != id:
4980
fc44c8df9d99 revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents: 4979
diff changeset
1360 raise ValueError
fc44c8df9d99 revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents: 4979
diff changeset
1361 if rev < 0:
6750
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog
Matt Mackall <mpm@selenic.com>
parents: 6703
diff changeset
1362 rev = len(self) + rev
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog
Matt Mackall <mpm@selenic.com>
parents: 6703
diff changeset
1363 if rev < 0 or rev >= len(self):
4980
fc44c8df9d99 revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents: 4979
diff changeset
1364 raise ValueError
36
da28286bf6b7 Add smart node lookup by substring or by rev number
mpm@selenic.com
parents: 26
diff changeset
1365 return self.node(rev)
469
e205194ca7ef Various node id lookup tweaks
mpm@selenic.com
parents: 451
diff changeset
1366 except (ValueError, OverflowError):
3156
d01e4cb2f5f2 cleanups in revlog.lookup
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3139
diff changeset
1367 pass
47081
a407fe56d6e8 core: don't hard-code hex node lengths
Joerg Sonnenberger <joerg@bec.de>
parents: 47079
diff changeset
1368 if len(id) == 2 * self.nodeconstants.nodelen:
3453
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
1369 try:
3438
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
1370 # a full hex nodeid?
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
1371 node = bin(id)
7874
d812029cda85 cleanup: drop variables for unused return values
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 7873
diff changeset
1372 self.rev(node)
3157
4fe41a9e4591 optimize revlog.lookup when passed hex(node)[:...]
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3156
diff changeset
1373 return node
39791
974592474dee revlog: drop LookupError alias (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39790
diff changeset
1374 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
1375 pass
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
1376
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
1377 def _partialmatch(self, id):
37449
a0d71618074f revlog: detect pseudo file nodeids to raise WdirUnsupported exception
Yuya Nishihara <yuya@tcha.org>
parents: 37443
diff changeset
1378 # we don't care wdirfilenodeids as they should be always full hash
47055
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
1379 maybewdir = self.nodeconstants.wdirhex.startswith(id)
16665
e410be860393 revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents: 16533
diff changeset
1380 try:
30401
2ded17b64f09 revlog: avoid shadowing several variables using list comprehensions
Augie Fackler <augie@google.com>
parents: 30303
diff changeset
1381 partial = self.index.partialmatch(id)
2ded17b64f09 revlog: avoid shadowing several variables using list comprehensions
Augie Fackler <augie@google.com>
parents: 30303
diff changeset
1382 if partial and self.hasnode(partial):
32704
af854b1b36f8 revlog: add support for partial matching of wdir node id
Yuya Nishihara <yuya@tcha.org>
parents: 32679
diff changeset
1383 if maybewdir:
af854b1b36f8 revlog: add support for partial matching of wdir node id
Yuya Nishihara <yuya@tcha.org>
parents: 32679
diff changeset
1384 # single 'ff...' match in radix tree, ambiguous with wdir
39789
2cd93a8d4bde revlog: drop RevlogError alias (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39785
diff changeset
1385 raise error.RevlogError
30401
2ded17b64f09 revlog: avoid shadowing several variables using list comprehensions
Augie Fackler <augie@google.com>
parents: 30303
diff changeset
1386 return partial
32704
af854b1b36f8 revlog: add support for partial matching of wdir node id
Yuya Nishihara <yuya@tcha.org>
parents: 32679
diff changeset
1387 if maybewdir:
af854b1b36f8 revlog: add support for partial matching of wdir node id
Yuya Nishihara <yuya@tcha.org>
parents: 32679
diff changeset
1388 # no 'ff...' match in radix tree, wdir identified
af854b1b36f8 revlog: add support for partial matching of wdir node id
Yuya Nishihara <yuya@tcha.org>
parents: 32679
diff changeset
1389 raise error.WdirUnsupported
19471
fd1bb7c1be78 revlog: handle hidden revs in _partialmatch (issue3979)
Matt Mackall <mpm@selenic.com>
parents: 19326
diff changeset
1390 return None
39789
2cd93a8d4bde revlog: drop RevlogError alias (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39785
diff changeset
1391 except error.RevlogError:
16665
e410be860393 revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents: 16533
diff changeset
1392 # 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
1393 # 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
1394 if not getattr(self, 'filteredrevs', None):
39790
4a2466b2a434 revlog: drop some more error aliases (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39789
diff changeset
1395 raise error.AmbiguousPrefixLookupError(
47162
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
1396 id, self._indexfile, _(b'ambiguous identifier')
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1397 )
19471
fd1bb7c1be78 revlog: handle hidden revs in _partialmatch (issue3979)
Matt Mackall <mpm@selenic.com>
parents: 19326
diff changeset
1398 # 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
1399 except (AttributeError, ValueError):
e410be860393 revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents: 16533
diff changeset
1400 # 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
1401 pass
e410be860393 revlog: speed up prefix matching against nodes
Bryan O'Sullivan <bryano@fb.com>
parents: 16533
diff changeset
1402
13258
c2661863f16f revlog: introduce a cache for partial lookups
Matt Mackall <mpm@selenic.com>
parents: 13254
diff changeset
1403 if id in self._pcache:
c2661863f16f revlog: introduce a cache for partial lookups
Matt Mackall <mpm@selenic.com>
parents: 13254
diff changeset
1404 return self._pcache[id]
c2661863f16f revlog: introduce a cache for partial lookups
Matt Mackall <mpm@selenic.com>
parents: 13254
diff changeset
1405
37819
ee3d58b4a47f revlog: make pure version of _partialmatch() support 40-byte hex nodeids
Martin von Zweigbergk <martinvonz@google.com>
parents: 37767
diff changeset
1406 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
1407 try:
3438
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
1408 # hex(node)[:...]
9029
0001e49f1c11 compat: use // for integer division
Alejandro Santos <alejolp@alejolp.com>
parents: 8658
diff changeset
1409 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
1410 prefix = bin(id[: l * 2])
13259
3b616dfa4b17 revlog: do revlog node->rev mapping by scanning
Matt Mackall <mpm@selenic.com>
parents: 13258
diff changeset
1411 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
1412 nl = [
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1413 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
1414 ]
47055
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
1415 if self.nodeconstants.nullhex.startswith(id):
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
1416 nl.append(self.nullid)
7365
ec3aafa84d44 lookup: speed up partial lookup
Matt Mackall <mpm@selenic.com>
parents: 7363
diff changeset
1417 if len(nl) > 0:
32704
af854b1b36f8 revlog: add support for partial matching of wdir node id
Yuya Nishihara <yuya@tcha.org>
parents: 32679
diff changeset
1418 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
1419 self._pcache[id] = nl[0]
7365
ec3aafa84d44 lookup: speed up partial lookup
Matt Mackall <mpm@selenic.com>
parents: 7363
diff changeset
1420 return nl[0]
39790
4a2466b2a434 revlog: drop some more error aliases (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39789
diff changeset
1421 raise error.AmbiguousPrefixLookupError(
47162
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
1422 id, self._indexfile, _(b'ambiguous identifier')
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1423 )
32704
af854b1b36f8 revlog: add support for partial matching of wdir node id
Yuya Nishihara <yuya@tcha.org>
parents: 32679
diff changeset
1424 if maybewdir:
af854b1b36f8 revlog: add support for partial matching of wdir node id
Yuya Nishihara <yuya@tcha.org>
parents: 32679
diff changeset
1425 raise error.WdirUnsupported
7365
ec3aafa84d44 lookup: speed up partial lookup
Matt Mackall <mpm@selenic.com>
parents: 7363
diff changeset
1426 return None
36275
f574cc00831a node: make bin() be a wrapper instead of just an alias
Augie Fackler <augie@google.com>
parents: 36013
diff changeset
1427 except TypeError:
3453
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
1428 pass
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
1429
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
1430 def lookup(self, id):
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
1431 """locate a node based on:
45957
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 45885
diff changeset
1432 - revision number or str(revision number)
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 45885
diff changeset
1433 - 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
1434 """
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
1435 n = self._match(id)
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
1436 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
1437 return n
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
1438 n = self._partialmatch(id)
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
1439 if n:
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
1440 return n
515
03f27b1381f9 Whitespace cleanups
mpm@selenic.com
parents: 484
diff changeset
1441
47162
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
1442 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
1443
37767
44d1959acb3b revlog: make shortest() take a full binary nodeid (API)
Martin von Zweigbergk <martinvonz@google.com>
parents: 37494
diff changeset
1444 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
1445 """Find the shortest unambiguous prefix that matches node."""
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1446
37907
6921d3ecadc1 shortest: rename "test" variable to "prefix"
Martin von Zweigbergk <martinvonz@google.com>
parents: 37906
diff changeset
1447 def isvalid(prefix):
34257
448725a2ef73 templater: extract shortest() logic from template function
Martin von Zweigbergk <martinvonz@google.com>
parents: 34160
diff changeset
1448 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
1449 matchednode = self._partialmatch(prefix)
39836
7a9e2d85f475 revlog: catch more specific exception in shortest()
Yuya Nishihara <yuya@tcha.org>
parents: 39794
diff changeset
1450 except error.AmbiguousPrefixLookupError:
34257
448725a2ef73 templater: extract shortest() logic from template function
Martin von Zweigbergk <martinvonz@google.com>
parents: 34160
diff changeset
1451 return False
448725a2ef73 templater: extract shortest() logic from template function
Martin von Zweigbergk <martinvonz@google.com>
parents: 34160
diff changeset
1452 except error.WdirUnsupported:
448725a2ef73 templater: extract shortest() logic from template function
Martin von Zweigbergk <martinvonz@google.com>
parents: 34160
diff changeset
1453 # single 'ff...' match
448725a2ef73 templater: extract shortest() logic from template function
Martin von Zweigbergk <martinvonz@google.com>
parents: 34160
diff changeset
1454 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
1455 if matchednode is None:
47162
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
1456 raise error.LookupError(node, self._indexfile, _(b'no node'))
38014
76e933e0ccc9 shortest: remove unnecessary check for revnum in isvalid()
Martin von Zweigbergk <martinvonz@google.com>
parents: 38013
diff changeset
1457 return True
34257
448725a2ef73 templater: extract shortest() logic from template function
Martin von Zweigbergk <martinvonz@google.com>
parents: 34160
diff changeset
1458
38012
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37909
diff changeset
1459 def maybewdir(prefix):
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
1460 return all(c == b'f' for c in pycompat.iterbytestr(prefix))
38012
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37909
diff changeset
1461
37767
44d1959acb3b revlog: make shortest() take a full binary nodeid (API)
Martin von Zweigbergk <martinvonz@google.com>
parents: 37494
diff changeset
1462 hexnode = hex(node)
38012
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37909
diff changeset
1463
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37909
diff changeset
1464 def disambiguate(hexnode, minlength):
38015
3ac950cd5978 shortest: move revnum-disambiguation out of revlog
Martin von Zweigbergk <martinvonz@google.com>
parents: 38014
diff changeset
1465 """Disambiguate against wdirid."""
45054
cc2572923ea3 revlog: avoid hard-coded hash sizes
Joerg Sonnenberger <joerg@bec.de>
parents: 44803
diff changeset
1466 for length in range(minlength, len(hexnode) + 1):
38012
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37909
diff changeset
1467 prefix = hexnode[:length]
38015
3ac950cd5978 shortest: move revnum-disambiguation out of revlog
Martin von Zweigbergk <martinvonz@google.com>
parents: 38014
diff changeset
1468 if not maybewdir(prefix):
38012
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37909
diff changeset
1469 return prefix
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37909
diff changeset
1470
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37909
diff changeset
1471 if not getattr(self, 'filteredrevs', None):
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37909
diff changeset
1472 try:
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37909
diff changeset
1473 length = max(self.index.shortest(node), minlength)
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37909
diff changeset
1474 return disambiguate(hexnode, length)
39789
2cd93a8d4bde revlog: drop RevlogError alias (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39785
diff changeset
1475 except error.RevlogError:
47055
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
1476 if node != self.nodeconstants.wdirid:
47162
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
1477 raise error.LookupError(
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
1478 node, self._indexfile, _(b'no node')
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
1479 )
38012
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37909
diff changeset
1480 except AttributeError:
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37909
diff changeset
1481 # Fall through to pure code
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37909
diff changeset
1482 pass
0304f22497fa revlog: use node tree (native code) for shortest() calculation
Martin von Zweigbergk <martinvonz@google.com>
parents: 37909
diff changeset
1483
47055
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
1484 if node == self.nodeconstants.wdirid:
45054
cc2572923ea3 revlog: avoid hard-coded hash sizes
Joerg Sonnenberger <joerg@bec.de>
parents: 44803
diff changeset
1485 for length in range(minlength, len(hexnode) + 1):
38013
0db7fe7c34d3 shortest: make pure code also disambigute against revnums at end
Martin von Zweigbergk <martinvonz@google.com>
parents: 38012
diff changeset
1486 prefix = hexnode[:length]
0db7fe7c34d3 shortest: make pure code also disambigute against revnums at end
Martin von Zweigbergk <martinvonz@google.com>
parents: 38012
diff changeset
1487 if isvalid(prefix):
0db7fe7c34d3 shortest: make pure code also disambigute against revnums at end
Martin von Zweigbergk <martinvonz@google.com>
parents: 38012
diff changeset
1488 return prefix
0db7fe7c34d3 shortest: make pure code also disambigute against revnums at end
Martin von Zweigbergk <martinvonz@google.com>
parents: 38012
diff changeset
1489
45054
cc2572923ea3 revlog: avoid hard-coded hash sizes
Joerg Sonnenberger <joerg@bec.de>
parents: 44803
diff changeset
1490 for length in range(minlength, len(hexnode) + 1):
37907
6921d3ecadc1 shortest: rename "test" variable to "prefix"
Martin von Zweigbergk <martinvonz@google.com>
parents: 37906
diff changeset
1491 prefix = hexnode[:length]
6921d3ecadc1 shortest: rename "test" variable to "prefix"
Martin von Zweigbergk <martinvonz@google.com>
parents: 37906
diff changeset
1492 if isvalid(prefix):
38013
0db7fe7c34d3 shortest: make pure code also disambigute against revnums at end
Martin von Zweigbergk <martinvonz@google.com>
parents: 38012
diff changeset
1493 return disambiguate(hexnode, length)
34257
448725a2ef73 templater: extract shortest() logic from template function
Martin von Zweigbergk <martinvonz@google.com>
parents: 34160
diff changeset
1494
2890
5df3e5cf16bc Move cmp bits from filelog to revlog
Matt Mackall <mpm@selenic.com>
parents: 2859
diff changeset
1495 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
1496 """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
1497
a463e3c50212 cmp: document the fact that we return True if content is different
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents: 11323
diff changeset
1498 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
1499 """
2890
5df3e5cf16bc Move cmp bits from filelog to revlog
Matt Mackall <mpm@selenic.com>
parents: 2859
diff changeset
1500 p1, p2 = self.parents(node)
39882
f8eb71f9e3bd storageutil: new module for storage primitives (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39877
diff changeset
1501 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
1502
32267
1395f843ece4 revlog: rename internal functions containing "chunk" to use "segment"
Gregory Szorc <gregory.szorc@gmail.com>
parents: 31856
diff changeset
1503 def _cachesegment(self, offset, data):
27070
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1504 """Add a segment to the revlog cache.
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1505
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1506 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
1507 """
8316
d593922cf480 revlog: clean up the chunk caching code
Matt Mackall <mpm@selenic.com>
parents: 8315
diff changeset
1508 o, d = self._chunkcache
d593922cf480 revlog: clean up the chunk caching code
Matt Mackall <mpm@selenic.com>
parents: 8315
diff changeset
1509 # try to add to existing cache
13253
61c9bc3da402 revlog: remove lazy index
Matt Mackall <mpm@selenic.com>
parents: 13239
diff changeset
1510 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
1511 self._chunkcache = o, d + data
d593922cf480 revlog: clean up the chunk caching code
Matt Mackall <mpm@selenic.com>
parents: 8315
diff changeset
1512 else:
d593922cf480 revlog: clean up the chunk caching code
Matt Mackall <mpm@selenic.com>
parents: 8315
diff changeset
1513 self._chunkcache = offset, data
d593922cf480 revlog: clean up the chunk caching code
Matt Mackall <mpm@selenic.com>
parents: 8315
diff changeset
1514
32267
1395f843ece4 revlog: rename internal functions containing "chunk" to use "segment"
Gregory Szorc <gregory.szorc@gmail.com>
parents: 31856
diff changeset
1515 def _readsegment(self, offset, length, df=None):
27070
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1516 """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
1517
27070
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1518 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
1519 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
1520
dfef0d3be65e revlog: support using an existing file handle when reading revlogs
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26376
diff changeset
1521 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
1522 original seek position will NOT be restored.
27070
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1523
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1524 Returns a str or buffer of raw byte data.
40670
87a872555e90 revlog: detect incomplete revlog reads
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40669
diff changeset
1525
87a872555e90 revlog: detect incomplete revlog reads
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40669
diff changeset
1526 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
1527 """
20179
5bb3826bdac4 revlog: read/cache chunks in fixed windows of 64 KB
Brodie Rao <brodie@sf.io>
parents: 20074
diff changeset
1528 # 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
1529 # 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
1530 # 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
1531 cachesize = self._chunkcachesize
969148b49fc6 revlog: allow tuning of the chunk cache size (via format.chunkcachesize)
Brodie Rao <brodie@sf.io>
parents: 20179
diff changeset
1532 realoffset = offset & ~(cachesize - 1)
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1533 reallength = (
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1534 (offset + length + cachesize) & ~(cachesize - 1)
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1535 ) - realoffset
36012
4d66993bdcff revlog: add a _datareadfp context manager for data access needs
Boris Feld <boris.feld@octobus.net>
parents: 36011
diff changeset
1536 with self._datareadfp(df) as df:
4d66993bdcff revlog: add a _datareadfp context manager for data access needs
Boris Feld <boris.feld@octobus.net>
parents: 36011
diff changeset
1537 df.seek(realoffset)
4d66993bdcff revlog: add a _datareadfp context manager for data access needs
Boris Feld <boris.feld@octobus.net>
parents: 36011
diff changeset
1538 d = df.read(reallength)
40670
87a872555e90 revlog: detect incomplete revlog reads
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40669
diff changeset
1539
32267
1395f843ece4 revlog: rename internal functions containing "chunk" to use "segment"
Gregory Szorc <gregory.szorc@gmail.com>
parents: 31856
diff changeset
1540 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
1541 if offset != realoffset or reallength != length:
40670
87a872555e90 revlog: detect incomplete revlog reads
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40669
diff changeset
1542 startoffset = offset - realoffset
87a872555e90 revlog: detect incomplete revlog reads
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40669
diff changeset
1543 if len(d) - startoffset < length:
87a872555e90 revlog: detect incomplete revlog reads
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40669
diff changeset
1544 raise error.RevlogError(
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1545 _(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
1546 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
1547 b'offset %d, got %d'
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1548 )
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1549 % (
47163
396442cd7e6a revlog: rename `datafile` to `datafile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47162
diff changeset
1550 self._indexfile if self._inline else self._datafile,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1551 length,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1552 realoffset,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1553 len(d) - startoffset,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1554 )
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1555 )
40670
87a872555e90 revlog: detect incomplete revlog reads
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40669
diff changeset
1556
87a872555e90 revlog: detect incomplete revlog reads
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40669
diff changeset
1557 return util.buffer(d, startoffset, length)
87a872555e90 revlog: detect incomplete revlog reads
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40669
diff changeset
1558
87a872555e90 revlog: detect incomplete revlog reads
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40669
diff changeset
1559 if len(d) < length:
87a872555e90 revlog: detect incomplete revlog reads
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40669
diff changeset
1560 raise error.RevlogError(
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1561 _(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
1562 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
1563 b'%d, got %d'
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1564 )
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1565 % (
47163
396442cd7e6a revlog: rename `datafile` to `datafile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47162
diff changeset
1566 self._indexfile if self._inline else self._datafile,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1567 length,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1568 offset,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1569 len(d),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1570 )
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1571 )
40670
87a872555e90 revlog: detect incomplete revlog reads
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40669
diff changeset
1572
8316
d593922cf480 revlog: clean up the chunk caching code
Matt Mackall <mpm@selenic.com>
parents: 8315
diff changeset
1573 return d
d593922cf480 revlog: clean up the chunk caching code
Matt Mackall <mpm@selenic.com>
parents: 8315
diff changeset
1574
32267
1395f843ece4 revlog: rename internal functions containing "chunk" to use "segment"
Gregory Szorc <gregory.szorc@gmail.com>
parents: 31856
diff changeset
1575 def _getsegment(self, offset, length, df=None):
27070
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1576 """Obtain a segment of raw data from the revlog.
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1577
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1578 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
1579 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
1580 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
1581
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1582 Requests for data may be returned from a cache.
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1583
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1584 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
1585 """
8316
d593922cf480 revlog: clean up the chunk caching code
Matt Mackall <mpm@selenic.com>
parents: 8315
diff changeset
1586 o, d = self._chunkcache
d593922cf480 revlog: clean up the chunk caching code
Matt Mackall <mpm@selenic.com>
parents: 8315
diff changeset
1587 l = len(d)
d593922cf480 revlog: clean up the chunk caching code
Matt Mackall <mpm@selenic.com>
parents: 8315
diff changeset
1588
d593922cf480 revlog: clean up the chunk caching code
Matt Mackall <mpm@selenic.com>
parents: 8315
diff changeset
1589 # is it in the cache?
d593922cf480 revlog: clean up the chunk caching code
Matt Mackall <mpm@selenic.com>
parents: 8315
diff changeset
1590 cachestart = offset - o
d593922cf480 revlog: clean up the chunk caching code
Matt Mackall <mpm@selenic.com>
parents: 8315
diff changeset
1591 cacheend = cachestart + length
d593922cf480 revlog: clean up the chunk caching code
Matt Mackall <mpm@selenic.com>
parents: 8315
diff changeset
1592 if cachestart >= 0 and cacheend <= l:
d593922cf480 revlog: clean up the chunk caching code
Matt Mackall <mpm@selenic.com>
parents: 8315
diff changeset
1593 if cachestart == 0 and cacheend == l:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1594 return d # avoid a copy
16423
a150923b49ba revlog: avoid an expensive string copy
Bryan O'Sullivan <bryano@fb.com>
parents: 16418
diff changeset
1595 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
1596
32267
1395f843ece4 revlog: rename internal functions containing "chunk" to use "segment"
Gregory Szorc <gregory.szorc@gmail.com>
parents: 31856
diff changeset
1597 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
1598
32269
75e93d95aae6 revlog: rename _chunkraw to _getsegmentforrevs()
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32267
diff changeset
1599 def _getsegmentforrevs(self, startrev, endrev, df=None):
27070
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1600 """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
1601
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1602 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
1603 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
1604 seek position will not be preserved.
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1605
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1606 Requests for data may be satisfied by a cache.
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1607
27649
6446e9b37c8b revlog: return offset from _chunkraw()
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27637
diff changeset
1608 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
1609 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
1610 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
1611
6446e9b37c8b revlog: return offset from _chunkraw()
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27637
diff changeset
1612 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
1613 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
1614 """
30302
ceddc3d94d74 revlog: inline start() and end() for perf reasons
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30301
diff changeset
1615 # Inlined self.start(startrev) & self.end(endrev) for perf reasons
ceddc3d94d74 revlog: inline start() and end() for perf reasons
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30301
diff changeset
1616 # (functions are expensive).
ceddc3d94d74 revlog: inline start() and end() for perf reasons
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30301
diff changeset
1617 index = self.index
ceddc3d94d74 revlog: inline start() and end() for perf reasons
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30301
diff changeset
1618 istart = index[startrev]
ceddc3d94d74 revlog: inline start() and end() for perf reasons
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30301
diff changeset
1619 start = int(istart[0] >> 16)
30303
1f92056c4066 revlog: optimize _chunkraw when startrev==endrev
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30302
diff changeset
1620 if startrev == endrev:
1f92056c4066 revlog: optimize _chunkraw when startrev==endrev
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30302
diff changeset
1621 end = start + istart[1]
1f92056c4066 revlog: optimize _chunkraw when startrev==endrev
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30302
diff changeset
1622 else:
1f92056c4066 revlog: optimize _chunkraw when startrev==endrev
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30302
diff changeset
1623 iend = index[endrev]
1f92056c4066 revlog: optimize _chunkraw when startrev==endrev
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30302
diff changeset
1624 end = int(iend[0] >> 16) + iend[1]
30302
ceddc3d94d74 revlog: inline start() and end() for perf reasons
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30301
diff changeset
1625
8318
6b8513f8274a revlog: add cache priming for reconstructing delta chains
Matt Mackall <mpm@selenic.com>
parents: 8317
diff changeset
1626 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
1627 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
1628 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
1629 length = end - start
27649
6446e9b37c8b revlog: return offset from _chunkraw()
Gregory Szorc <gregory.szorc@gmail.com>
parents: 27637
diff changeset
1630
32267
1395f843ece4 revlog: rename internal functions containing "chunk" to use "segment"
Gregory Szorc <gregory.szorc@gmail.com>
parents: 31856
diff changeset
1631 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
1632
26377
dfef0d3be65e revlog: support using an existing file handle when reading revlogs
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26376
diff changeset
1633 def _chunk(self, rev, df=None):
27070
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1634 """Obtain a single decompressed chunk for a revision.
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1635
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1636 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
1637 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
1638 be preserved.
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1639
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1640 Returns a str holding uncompressed data for the requested revision.
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1641 """
32269
75e93d95aae6 revlog: rename _chunkraw to _getsegmentforrevs()
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32267
diff changeset
1642 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
1643
38644
43d0619cec90 revlog: enforce chunk slicing down to a certain size
Boris Feld <boris.feld@octobus.net>
parents: 38643
diff changeset
1644 def _chunks(self, revs, df=None, targetsize=None):
27070
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1645 """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
1646
27070
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1647 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
1648 ascending order. Also accepts an optional already-open file handle
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1649 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
1650 not be preserved.
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1651
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1652 This function is similar to calling ``self._chunk()`` multiple times,
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1653 but is faster.
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1654
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1655 Returns a list with decompressed data for each requested revision.
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1656 """
19716
e17976978ee4 revlog: move chunk cache preload from revision to _chunks
Siddharth Agarwal <sid0@fb.com>
parents: 19715
diff changeset
1657 if not revs:
e17976978ee4 revlog: move chunk cache preload from revision to _chunks
Siddharth Agarwal <sid0@fb.com>
parents: 19715
diff changeset
1658 return []
19713
c2e27e57d250 revlog: add a fast method for getting a list of chunks
Siddharth Agarwal <sid0@fb.com>
parents: 19625
diff changeset
1659 start = self.start
c2e27e57d250 revlog: add a fast method for getting a list of chunks
Siddharth Agarwal <sid0@fb.com>
parents: 19625
diff changeset
1660 length = self.length
c2e27e57d250 revlog: add a fast method for getting a list of chunks
Siddharth Agarwal <sid0@fb.com>
parents: 19625
diff changeset
1661 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
1662 iosize = self.index.entry_size
19715
1aab406be57c revlog._chunks: inline getchunk
Siddharth Agarwal <sid0@fb.com>
parents: 19714
diff changeset
1663 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
1664
c2e27e57d250 revlog: add a fast method for getting a list of chunks
Siddharth Agarwal <sid0@fb.com>
parents: 19625
diff changeset
1665 l = []
c2e27e57d250 revlog: add a fast method for getting a list of chunks
Siddharth Agarwal <sid0@fb.com>
parents: 19625
diff changeset
1666 ladd = l.append
c2e27e57d250 revlog: add a fast method for getting a list of chunks
Siddharth Agarwal <sid0@fb.com>
parents: 19625
diff changeset
1667
34824
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse
Paul Morelle <paul.morelle@octobus.net>
parents: 34823
diff changeset
1668 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
1669 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
1670 else:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1671 slicedchunks = deltautil.slicechunk(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1672 self, revs, targetsize=targetsize
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1673 )
34824
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse
Paul Morelle <paul.morelle@octobus.net>
parents: 34823
diff changeset
1674
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse
Paul Morelle <paul.morelle@octobus.net>
parents: 34823
diff changeset
1675 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
1676 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
1677 # 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
1678 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
1679 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
1680 break
34823
7891d243d821 revlog: ignore empty trailing chunks when reading segments
Paul Morelle <paul.morelle@octobus.net>
parents: 34303
diff changeset
1681
34824
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse
Paul Morelle <paul.morelle@octobus.net>
parents: 34823
diff changeset
1682 try:
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse
Paul Morelle <paul.morelle@octobus.net>
parents: 34823
diff changeset
1683 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
1684 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
1685 # 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
1686 # 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
1687 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
1688
34824
e2ad93bcc084 revlog: introduce an experimental flag to slice chunks reads when too sparse
Paul Morelle <paul.morelle@octobus.net>
parents: 34823
diff changeset
1689 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
1690 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
1691 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
1692 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
1693 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
1694 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
1695 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
1696
c2e27e57d250 revlog: add a fast method for getting a list of chunks
Siddharth Agarwal <sid0@fb.com>
parents: 19625
diff changeset
1697 return l
14075
bc101902a68d revlog: introduce _chunkbase to allow filelog to override
Sune Foldager <cryo@cyanite.org>
parents: 14064
diff changeset
1698
8650
ef393d6ec030 revlog: refactor chunk cache interface again
Matt Mackall <mpm@selenic.com>
parents: 8643
diff changeset
1699 def _chunkclear(self):
27070
7860366b46c9 revlog: improve documentation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26907
diff changeset
1700 """Clear the raw chunk cache."""
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
1701 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
1702
11929
1839a7518b0d revlog: deltachain() returns chain of revs need to construct a revision
Pradeepkumar Gayam <in3xes@gmail.com>
parents: 11928
diff changeset
1703 def deltaparent(self, rev):
14195
0013d3eeb826 revlog: remove support for parentdelta
Sune Foldager <cryo@cyanite.org>
parents: 14164
diff changeset
1704 """return deltaparent of the given revision"""
14253
c28d5200374c revlog: support reading generaldelta revlogs
Sune Foldager <cryo@cyanite.org>
parents: 14252
diff changeset
1705 base = self.index[rev][3]
c28d5200374c revlog: support reading generaldelta revlogs
Sune Foldager <cryo@cyanite.org>
parents: 14252
diff changeset
1706 if base == rev:
14208
d62d597b8974 revlog: compute correct deltaparent in the deltaparent function
Sune Foldager <cryo@cyanite.org>
parents: 14196
diff changeset
1707 return nullrev
14253
c28d5200374c revlog: support reading generaldelta revlogs
Sune Foldager <cryo@cyanite.org>
parents: 14252
diff changeset
1708 elif self._generaldelta:
c28d5200374c revlog: support reading generaldelta revlogs
Sune Foldager <cryo@cyanite.org>
parents: 14252
diff changeset
1709 return base
14208
d62d597b8974 revlog: compute correct deltaparent in the deltaparent function
Sune Foldager <cryo@cyanite.org>
parents: 14196
diff changeset
1710 else:
d62d597b8974 revlog: compute correct deltaparent in the deltaparent function
Sune Foldager <cryo@cyanite.org>
parents: 14196
diff changeset
1711 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
1712
39182
f8db458651c8 revlog: add a method to tells whether rev is stored as a snapshot
Paul Morelle <paul.morelle@octobus.net>
parents: 39180
diff changeset
1713 def issnapshot(self, rev):
45957
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 45885
diff changeset
1714 """tells whether rev is a snapshot"""
41089
a28833d79aca revlog: use the native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents: 41087
diff changeset
1715 if not self._sparserevlog:
a28833d79aca revlog: use the native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents: 41087
diff changeset
1716 return self.deltaparent(rev) == nullrev
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
1717 elif util.safehasattr(self.index, b'issnapshot'):
41089
a28833d79aca revlog: use the native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents: 41087
diff changeset
1718 # directly assign the method to cache the testing and access
a28833d79aca revlog: use the native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents: 41087
diff changeset
1719 self.issnapshot = self.index.issnapshot
a28833d79aca revlog: use the native implementation of issnapshot
Boris Feld <boris.feld@octobus.net>
parents: 41087
diff changeset
1720 return self.issnapshot(rev)
39182
f8db458651c8 revlog: add a method to tells whether rev is stored as a snapshot
Paul Morelle <paul.morelle@octobus.net>
parents: 39180
diff changeset
1721 if rev == nullrev:
f8db458651c8 revlog: add a method to tells whether rev is stored as a snapshot
Paul Morelle <paul.morelle@octobus.net>
parents: 39180
diff changeset
1722 return True
41087
84491ae0b3f0 revlog: more efficient implementation for issnapshot
Boris Feld <boris.feld@octobus.net>
parents: 41086
diff changeset
1723 entry = self.index[rev]
84491ae0b3f0 revlog: more efficient implementation for issnapshot
Boris Feld <boris.feld@octobus.net>
parents: 41086
diff changeset
1724 base = entry[3]
84491ae0b3f0 revlog: more efficient implementation for issnapshot
Boris Feld <boris.feld@octobus.net>
parents: 41086
diff changeset
1725 if base == rev:
39182
f8db458651c8 revlog: add a method to tells whether rev is stored as a snapshot
Paul Morelle <paul.morelle@octobus.net>
parents: 39180
diff changeset
1726 return True
41087
84491ae0b3f0 revlog: more efficient implementation for issnapshot
Boris Feld <boris.feld@octobus.net>
parents: 41086
diff changeset
1727 if base == nullrev:
84491ae0b3f0 revlog: more efficient implementation for issnapshot
Boris Feld <boris.feld@octobus.net>
parents: 41086
diff changeset
1728 return True
84491ae0b3f0 revlog: more efficient implementation for issnapshot
Boris Feld <boris.feld@octobus.net>
parents: 41086
diff changeset
1729 p1 = entry[5]
84491ae0b3f0 revlog: more efficient implementation for issnapshot
Boris Feld <boris.feld@octobus.net>
parents: 41086
diff changeset
1730 p2 = entry[6]
84491ae0b3f0 revlog: more efficient implementation for issnapshot
Boris Feld <boris.feld@octobus.net>
parents: 41086
diff changeset
1731 if base == p1 or base == p2:
39183
f39efa885a6d revlog: also detect intermediate snapshots
Paul Morelle <paul.morelle@octobus.net>
parents: 39182
diff changeset
1732 return False
41087
84491ae0b3f0 revlog: more efficient implementation for issnapshot
Boris Feld <boris.feld@octobus.net>
parents: 41086
diff changeset
1733 return self.issnapshot(base)
39182
f8db458651c8 revlog: add a method to tells whether rev is stored as a snapshot
Paul Morelle <paul.morelle@octobus.net>
parents: 39180
diff changeset
1734
39185
3b1042cab4b4 revlog: add a method to retrieve snapshot depth
Boris Feld <boris.feld@octobus.net>
parents: 39183
diff changeset
1735 def snapshotdepth(self, rev):
3b1042cab4b4 revlog: add a method to retrieve snapshot depth
Boris Feld <boris.feld@octobus.net>
parents: 39183
diff changeset
1736 """number of snapshot in the chain before this one"""
3b1042cab4b4 revlog: add a method to retrieve snapshot depth
Boris Feld <boris.feld@octobus.net>
parents: 39183
diff changeset
1737 if not self.issnapshot(rev):
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
1738 raise error.ProgrammingError(b'revision %d not a snapshot')
39185
3b1042cab4b4 revlog: add a method to retrieve snapshot depth
Boris Feld <boris.feld@octobus.net>
parents: 39183
diff changeset
1739 return len(self._deltachain(rev)[0]) - 1
3b1042cab4b4 revlog: add a method to retrieve snapshot depth
Boris Feld <boris.feld@octobus.net>
parents: 39183
diff changeset
1740
1941
7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1853
diff changeset
1741 def revdiff(self, rev1, rev2):
31758
5d11b5edcb0b revlog: use raw revisions in revdiff
Jun Wu <quark@fb.com>
parents: 31757
diff changeset
1742 """return or calculate a delta between two revisions
5d11b5edcb0b revlog: use raw revisions in revdiff
Jun Wu <quark@fb.com>
parents: 31757
diff changeset
1743
5d11b5edcb0b revlog: use raw revisions in revdiff
Jun Wu <quark@fb.com>
parents: 31757
diff changeset
1744 The delta calculated is in binary form and is intended to be written to
5d11b5edcb0b revlog: use raw revisions in revdiff
Jun Wu <quark@fb.com>
parents: 31757
diff changeset
1745 revlog data directly. So this function needs raw revision data.
5d11b5edcb0b revlog: use raw revisions in revdiff
Jun Wu <quark@fb.com>
parents: 31757
diff changeset
1746 """
14208
d62d597b8974 revlog: compute correct deltaparent in the deltaparent function
Sune Foldager <cryo@cyanite.org>
parents: 14196
diff changeset
1747 if rev1 != nullrev and self.deltaparent(rev2) == rev1:
31378
b6f5af372c0c revlog: use bytes() instead of str() to get data from memoryview
Augie Fackler <augie@google.com>
parents: 31366
diff changeset
1748 return bytes(self._chunk(rev2))
5005
72082bfced9a revlog: minor revdiff reorganization
Matt Mackall <mpm@selenic.com>
parents: 5004
diff changeset
1749
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1750 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
1751
42995
01304095256c flagprocessors: directly duplicate the deprecated layer back into revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42994
diff changeset
1752 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: 42994
diff changeset
1753 """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
1754 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
1755 util.nouideprecwarn(msg, b'5.2', stacklevel=2)
42995
01304095256c flagprocessors: directly duplicate the deprecated layer back into revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42994
diff changeset
1756 if raw:
01304095256c flagprocessors: directly duplicate the deprecated layer back into revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42994
diff changeset
1757 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
1758 elif operation == b'read':
42995
01304095256c flagprocessors: directly duplicate the deprecated layer back into revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42994
diff changeset
1759 return flagutil.processflagsread(self, text, flags)
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1760 else: # write operation
46722
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
1761 return flagutil.processflagswrite(self, text, flags)
42995
01304095256c flagprocessors: directly duplicate the deprecated layer back into revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42994
diff changeset
1762
30743
2df983125d37 revlog: add 'raw' argument to revision and _addrevision
Remi Chaintron <remi@fb.com>
parents: 30589
diff changeset
1763 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
1764 """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
1765 number.
26377
dfef0d3be65e revlog: support using an existing file handle when reading revlogs
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26376
diff changeset
1766
30743
2df983125d37 revlog: add 'raw' argument to revision and _addrevision
Remi Chaintron <remi@fb.com>
parents: 30589
diff changeset
1767 _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: 30589
diff changeset
1768 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: 30589
diff changeset
1769 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: 30589
diff changeset
1770 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
1771 """
42853
f75f47b3ea41 revlog: deprecate the use of `revision(..., raw=True)`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42824
diff changeset
1772 if raw:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1773 msg = (
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
1774 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
1775 b'use revlog.rawdata(...)'
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1776 )
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
1777 util.nouideprecwarn(msg, b'5.2', stacklevel=2)
42983
35ab2c1a58aa revlog: return sidedata map from `_revisiondata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42982
diff changeset
1778 return self._revisiondata(nodeorrev, _df, raw=raw)[0]
42735
389233789952 revlog: split a `_revisiondata` method to file `revision` job
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42711
diff changeset
1779
42982
0d1272783f24 revlog: introduce a `sidedata` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42885
diff changeset
1780 def sidedata(self, nodeorrev, _df=None):
0d1272783f24 revlog: introduce a `sidedata` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42885
diff changeset
1781 """a map of extra data related to the changeset but not part of the hash
0d1272783f24 revlog: introduce a `sidedata` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42885
diff changeset
1782
0d1272783f24 revlog: introduce a `sidedata` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42885
diff changeset
1783 This function currently return a dictionary. However, more advanced
0d1272783f24 revlog: introduce a `sidedata` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42885
diff changeset
1784 mapping object will likely be used in the future for a more
0d1272783f24 revlog: introduce a `sidedata` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42885
diff changeset
1785 efficient/lazy code.
0d1272783f24 revlog: introduce a `sidedata` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42885
diff changeset
1786 """
42984
9d62f9fa332f revlog: use the new sidedata map return in the sidedata method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42983
diff changeset
1787 return self._revisiondata(nodeorrev, _df)[1]
42982
0d1272783f24 revlog: introduce a `sidedata` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42885
diff changeset
1788
42735
389233789952 revlog: split a `_revisiondata` method to file `revision` job
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42711
diff changeset
1789 def _revisiondata(self, nodeorrev, _df=None, raw=False):
42806
616aa62e5027 revlog: add some documentation to `_revisiondata` code
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42805
diff changeset
1790 # deal with <nodeorrev> argument type
16375
d7d64b89a65c revlog: allow retrieving contents by revision number
Matt Mackall <mpm@selenic.com>
parents: 16374
diff changeset
1791 if isinstance(nodeorrev, int):
d7d64b89a65c revlog: allow retrieving contents by revision number
Matt Mackall <mpm@selenic.com>
parents: 16374
diff changeset
1792 rev = nodeorrev
d7d64b89a65c revlog: allow retrieving contents by revision number
Matt Mackall <mpm@selenic.com>
parents: 16374
diff changeset
1793 node = self.node(rev)
d7d64b89a65c revlog: allow retrieving contents by revision number
Matt Mackall <mpm@selenic.com>
parents: 16374
diff changeset
1794 else:
d7d64b89a65c revlog: allow retrieving contents by revision number
Matt Mackall <mpm@selenic.com>
parents: 16374
diff changeset
1795 node = nodeorrev
d7d64b89a65c revlog: allow retrieving contents by revision number
Matt Mackall <mpm@selenic.com>
parents: 16374
diff changeset
1796 rev = None
d7d64b89a65c revlog: allow retrieving contents by revision number
Matt Mackall <mpm@selenic.com>
parents: 16374
diff changeset
1797
42806
616aa62e5027 revlog: add some documentation to `_revisiondata` code
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42805
diff changeset
1798 # fast path the special `nullid` rev
47055
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
1799 if node == self.nullid:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
1800 return b"", {}
42805
bf070a59546a revlog: move `nullid` early return sooner in `_revisiondata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42804
diff changeset
1801
43984
bdb357161d7a revlog: drop an unused variable assignment
Matt Harbison <matt_harbison@yahoo.com>
parents: 43962
diff changeset
1802 # ``rawtext`` is the text as stored inside the revlog. Might be the
bdb357161d7a revlog: drop an unused variable assignment
Matt Harbison <matt_harbison@yahoo.com>
parents: 43962
diff changeset
1803 # revision or might need to be processed to retrieve the revision.
42808
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
1804 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: 42807
diff changeset
1805
47150
84b176ad2860 revlog: replace REVLOGV2 check related to sidedata with `hassidedata` checks
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47148
diff changeset
1806 if self.hassidedata:
46722
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
1807 if rev is None:
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
1808 rev = self.rev(node)
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
1809 sidedata = self._sidedata(rev)
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
1810 else:
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
1811 sidedata = {}
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
1812
42808
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
1813 if raw and validated:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
1814 # if we don't want to process the raw text and that raw
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
1815 # text is cached, we can exit early.
46722
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
1816 return rawtext, sidedata
42808
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
1817 if rev is None:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
1818 rev = self.rev(node)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
1819 # the revlog's flag for this revision
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
1820 # (usually alter its state or content)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
1821 flags = self.flags(rev)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
1822
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
1823 if validated and flags == REVIDX_DEFAULT_FLAGS:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
1824 # no extra flags set, no flag processor runs, text = rawtext
46722
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
1825 return rawtext, sidedata
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
1826
42885
4a3efe0febb5 revlog: stop using `_processflags` directly
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42882
diff changeset
1827 if raw:
42994
dff95420480f flagprocessors: make `processflagsraw` a module level function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42993
diff changeset
1828 validatehash = flagutil.processflagsraw(self, rawtext, flags)
42885
4a3efe0febb5 revlog: stop using `_processflags` directly
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42882
diff changeset
1829 text = rawtext
4a3efe0febb5 revlog: stop using `_processflags` directly
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42882
diff changeset
1830 else:
46722
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
1831 r = flagutil.processflagsread(self, rawtext, flags)
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
1832 text, validatehash = r
42808
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
1833 if validatehash:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
1834 self.checkhash(text, node, rev=rev)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
1835 if not validated:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
1836 self._revisioncache = (node, rev, rawtext)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
1837
42983
35ab2c1a58aa revlog: return sidedata map from `_revisiondata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42982
diff changeset
1838 return text, sidedata
42808
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
1839
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
1840 def _rawtext(self, node, rev, _df=None):
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
1841 """return the possibly unvalidated rawtext for a revision
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
1842
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
1843 returns (rev, rawtext, validated)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
1844 """
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
1845
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
1846 # revision in the cache (could be useful to apply delta)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
1847 cachedrev = None
42806
616aa62e5027 revlog: add some documentation to `_revisiondata` code
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42805
diff changeset
1848 # An intermediate text to apply deltas to
42804
2eec53a99ec1 revlog: stop calling `basetext` `rawtext` in _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42803
diff changeset
1849 basetext = None
42806
616aa62e5027 revlog: add some documentation to `_revisiondata` code
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42805
diff changeset
1850
616aa62e5027 revlog: add some documentation to `_revisiondata` code
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42805
diff changeset
1851 # Check if we have the entry in cache
616aa62e5027 revlog: add some documentation to `_revisiondata` code
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42805
diff changeset
1852 # The cache entry looks like (node, rev, rawtext)
40053
55db747a21ad revlog: rename _cache to _revisioncache
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40011
diff changeset
1853 if self._revisioncache:
55db747a21ad revlog: rename _cache to _revisioncache
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40011
diff changeset
1854 if self._revisioncache[0] == node:
42808
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
1855 return (rev, self._revisioncache[2], True)
40053
55db747a21ad revlog: rename _cache to _revisioncache
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40011
diff changeset
1856 cachedrev = self._revisioncache[1]
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1857
42808
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
1858 if rev is None:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
1859 rev = self.rev(node)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
1860
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
1861 chain, stopped = self._deltachain(rev, stoprev=cachedrev)
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
1862 if stopped:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
1863 basetext = self._revisioncache[2]
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
1864
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
1865 # drop cache to save memory, the caller is expected to
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
1866 # update self._revisioncache after validating the text
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
1867 self._revisioncache = None
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
1868
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
1869 targetsize = None
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
1870 rawsize = self.index[rev][2]
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
1871 if 0 <= rawsize:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
1872 targetsize = 4 * rawsize
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
1873
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
1874 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: 42807
diff changeset
1875 if basetext is None:
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
1876 basetext = bytes(bins[0])
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
1877 bins = bins[1:]
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
1878
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
1879 rawtext = mdiff.patches(basetext, bins)
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1880 del basetext # let us have a chance to free memory early
42808
e91411fcc697 revlog: split `rawtext` retrieval out of _revisiondata
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42807
diff changeset
1881 return (rev, rawtext, False)
13239
12ed25f39d0b revlog: break hash checking into subfunction
Matt Mackall <mpm@selenic.com>
parents: 13031
diff changeset
1882
46722
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
1883 def _sidedata(self, rev):
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
1884 """Return the sidedata for a given revision number."""
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
1885 index_entry = self.index[rev]
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
1886 sidedata_offset = index_entry[8]
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
1887 sidedata_size = index_entry[9]
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
1888
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
1889 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
1890 sidedata_offset += self.index.entry_size * (1 + rev)
46722
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
1891 if sidedata_size == 0:
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
1892 return {}
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
1893
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
1894 segment = self._getsegment(sidedata_offset, sidedata_size)
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
1895 sidedata = sidedatautil.deserialize_sidedata(segment)
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
1896 return sidedata
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
1897
42802
ef177c04ac7f revlog: drop silly `raw` parameter to `rawdata` function
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42784
diff changeset
1898 def rawdata(self, nodeorrev, _df=None):
42736
415e4136d326 rawdata: introduce a `rawdata` method on revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42735
diff changeset
1899 """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: 42735
diff changeset
1900
415e4136d326 rawdata: introduce a `rawdata` method on revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42735
diff changeset
1901 _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: 42735
diff changeset
1902 """
42983
35ab2c1a58aa revlog: return sidedata map from `_revisiondata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42982
diff changeset
1903 return self._revisiondata(nodeorrev, _df, raw=True)[0]
42736
415e4136d326 rawdata: introduce a `rawdata` method on revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42735
diff changeset
1904
22785
abc44fcc9c57 revlog: move references to revlog.hash to inside the revlog class
Augie Fackler <raf@durin42.com>
parents: 22784
diff changeset
1905 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
1906 """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
1907
abc44fcc9c57 revlog: move references to revlog.hash to inside the revlog class
Augie Fackler <raf@durin42.com>
parents: 22784
diff changeset
1908 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
1909 as needed.
abc44fcc9c57 revlog: move references to revlog.hash to inside the revlog class
Augie Fackler <raf@durin42.com>
parents: 22784
diff changeset
1910 """
39882
f8eb71f9e3bd storageutil: new module for storage primitives (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39877
diff changeset
1911 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
1912
30589
be5b2098a817 revlog: merge hash checking subfunctions
Remi Chaintron <remi@fb.com>
parents: 30552
diff changeset
1913 def checkhash(self, text, node, p1=None, p2=None, rev=None):
be5b2098a817 revlog: merge hash checking subfunctions
Remi Chaintron <remi@fb.com>
parents: 30552
diff changeset
1914 """Check node hash integrity.
19624
55749cb14d24 revlog: extract 'checkhash' method
Wojciech Lopata <lopek@fb.com>
parents: 19471
diff changeset
1915
30589
be5b2098a817 revlog: merge hash checking subfunctions
Remi Chaintron <remi@fb.com>
parents: 30552
diff changeset
1916 Available as a function so that subclasses can extend hash mismatch
be5b2098a817 revlog: merge hash checking subfunctions
Remi Chaintron <remi@fb.com>
parents: 30552
diff changeset
1917 behaviors as needed.
be5b2098a817 revlog: merge hash checking subfunctions
Remi Chaintron <remi@fb.com>
parents: 30552
diff changeset
1918 """
37443
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
1919 try:
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
1920 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
1921 p1, p2 = self.parents(node)
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
1922 if node != self.hash(text, p1, p2):
40055
801ccd8e67c0 revlog: clear revision cache on hash verification failure
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40053
diff changeset
1923 # Clear the revision cache on hash failure. The revision cache
801ccd8e67c0 revlog: clear revision cache on hash verification failure
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40053
diff changeset
1924 # only stores the raw revision and clearing the cache does have
801ccd8e67c0 revlog: clear revision cache on hash verification failure
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40053
diff changeset
1925 # the side-effect that we won't have a cache hit when the raw
801ccd8e67c0 revlog: clear revision cache on hash verification failure
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40053
diff changeset
1926 # revision data is accessed. But this case should be rare and
801ccd8e67c0 revlog: clear revision cache on hash verification failure
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40053
diff changeset
1927 # it is extra work to teach the cache about the hash
801ccd8e67c0 revlog: clear revision cache on hash verification failure
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40053
diff changeset
1928 # verification state.
801ccd8e67c0 revlog: clear revision cache on hash verification failure
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40053
diff changeset
1929 if self._revisioncache and self._revisioncache[0] == node:
801ccd8e67c0 revlog: clear revision cache on hash verification failure
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40053
diff changeset
1930 self._revisioncache = None
801ccd8e67c0 revlog: clear revision cache on hash verification failure
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40053
diff changeset
1931
37443
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
1932 revornode = rev
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
1933 if revornode is None:
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
1934 revornode = templatefilters.short(hex(node))
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1935 raise error.RevlogError(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
1936 _(b"integrity check failed on %s:%s")
47162
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
1937 % (self._indexfile, pycompat.bytestr(revornode))
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1938 )
39789
2cd93a8d4bde revlog: drop RevlogError alias (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39785
diff changeset
1939 except error.RevlogError:
39884
d269ddbf54f0 storageutil: move _censoredtext() from revlog
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39883
diff changeset
1940 if self._censorable and storageutil.iscensoredtext(text):
47162
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
1941 raise error.CensoredNodeError(self._indexfile, node, text)
37443
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
1942 raise
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1943
36013
9ba1d0c724e2 revlog: rename 'self.checkinlinesize' into '_enforceinlinesize'
Boris Feld <boris.feld@octobus.net>
parents: 36012
diff changeset
1944 def _enforceinlinesize(self, tr, fp=None):
26376
344a1621674b revlog: add docstring for checkinlinesize()
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26243
diff changeset
1945 """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
1946
344a1621674b revlog: add docstring for checkinlinesize()
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26243
diff changeset
1947 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
1948 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
1949 to use multiple index and data files.
344a1621674b revlog: add docstring for checkinlinesize()
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26243
diff changeset
1950 """
38883
119d14f41cb2 revlog: remove some knowledge of sentinel nullid in index
Martin von Zweigbergk <martinvonz@google.com>
parents: 38880
diff changeset
1951 tiprev = len(self) - 1
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1952 if (
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1953 not self._inline
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1954 or (self.start(tiprev) + self.length(tiprev)) < _maxinline
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1955 ):
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1956 return
8315
c8493310ad9b revlog: use index to find index size
Matt Mackall <mpm@selenic.com>
parents: 8314
diff changeset
1957
47162
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
1958 troffset = tr.findoffset(self._indexfile)
45885
a6f08085edfe transaction: rename find to findoffset and drop backup file support
Joerg Sonnenberger <joerg@bec.de>
parents: 45884
diff changeset
1959 if troffset is None:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1960 raise error.RevlogError(
47162
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
1961 _(b"%s not found in the transaction") % self._indexfile
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
1962 )
45884
63edc384d3b7 transaction: drop per-file extra data support
Joerg Sonnenberger <joerg@bec.de>
parents: 45879
diff changeset
1963 trindex = 0
47163
396442cd7e6a revlog: rename `datafile` to `datafile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47162
diff changeset
1964 tr.add(self._datafile, 0)
8315
c8493310ad9b revlog: use index to find index size
Matt Mackall <mpm@selenic.com>
parents: 8314
diff changeset
1965
8317
5cdf4067857a revlog: use chunk cache to avoid rereading when splitting inline files
Matt Mackall <mpm@selenic.com>
parents: 8316
diff changeset
1966 if fp:
5cdf4067857a revlog: use chunk cache to avoid rereading when splitting inline files
Matt Mackall <mpm@selenic.com>
parents: 8316
diff changeset
1967 fp.flush()
5cdf4067857a revlog: use chunk cache to avoid rereading when splitting inline files
Matt Mackall <mpm@selenic.com>
parents: 8316
diff changeset
1968 fp.close()
40671
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40670
diff changeset
1969 # We can't use the cached file handle after close(). So prevent
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40670
diff changeset
1970 # its usage.
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40670
diff changeset
1971 self._writinghandles = None
8315
c8493310ad9b revlog: use index to find index size
Matt Mackall <mpm@selenic.com>
parents: 8314
diff changeset
1972
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
1973 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
1974 for r in self:
40669
39369475445c revlog: use single file handle when de-inlining revlog
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40512
diff changeset
1975 dfh.write(self._getsegmentforrevs(r, r, df=ifh)[1])
45884
63edc384d3b7 transaction: drop per-file extra data support
Joerg Sonnenberger <joerg@bec.de>
parents: 45879
diff changeset
1976 if troffset <= self.start(r):
63edc384d3b7 transaction: drop per-file extra data support
Joerg Sonnenberger <joerg@bec.de>
parents: 45879
diff changeset
1977 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
1978
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
1979 with self._indexfp(b'w') as fp:
47153
f58a13c52726 revlog: split the `version` attribute into its two components
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47150
diff changeset
1980 self._format_flags &= ~FLAG_INLINE_DATA
36010
0f2c51afafb2 revlog: use context manager for index file lifetime in checkinlinesize
Boris Feld <boris.feld@octobus.net>
parents: 36009
diff changeset
1981 self._inline = False
0f2c51afafb2 revlog: use context manager for index file lifetime in checkinlinesize
Boris Feld <boris.feld@octobus.net>
parents: 36009
diff changeset
1982 for i in self:
47078
d57386e5c80e revlog: have an explicit "pack_header" method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47077
diff changeset
1983 e = self.index.entry_binary(i)
d57386e5c80e revlog: have an explicit "pack_header" method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47077
diff changeset
1984 if i == 0:
47153
f58a13c52726 revlog: split the `version` attribute into its two components
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47150
diff changeset
1985 header = self._format_flags | self._format_version
f58a13c52726 revlog: split the `version` attribute into its two components
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47150
diff changeset
1986 header = self.index.pack_header(header)
47078
d57386e5c80e revlog: have an explicit "pack_header" method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47077
diff changeset
1987 e = header + e
36010
0f2c51afafb2 revlog: use context manager for index file lifetime in checkinlinesize
Boris Feld <boris.feld@octobus.net>
parents: 36009
diff changeset
1988 fp.write(e)
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1989
36010
0f2c51afafb2 revlog: use context manager for index file lifetime in checkinlinesize
Boris Feld <boris.feld@octobus.net>
parents: 36009
diff changeset
1990 # 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: 36009
diff changeset
1991 # manager
2084
Chris Mason <mason@suse.com>
parents: 2082
diff changeset
1992
47162
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
1993 tr.replace(self._indexfile, trindex * self.index.entry_size)
44353
daad3aace942 nodemap: only use persistent nodemap for non-inlined revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44351
diff changeset
1994 nodemaputil.setup_persistent_nodemap(tr, self)
8650
ef393d6ec030 revlog: refactor chunk cache interface again
Matt Mackall <mpm@selenic.com>
parents: 8643
diff changeset
1995 self._chunkclear()
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1996
39891
debc4ee597e7 revlog: add a callback "tracking" duplicate node addition
Boris Feld <boris.feld@octobus.net>
parents: 39886
diff changeset
1997 def _nodeduplicatecallback(self, transaction, node):
45957
89a2afe31e82 formating: upgrade to black 20.8b1
Augie Fackler <raf@durin42.com>
parents: 45885
diff changeset
1998 """called when trying to add a node already stored."""
39891
debc4ee597e7 revlog: add a callback "tracking" duplicate node addition
Boris Feld <boris.feld@octobus.net>
parents: 39886
diff changeset
1999
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2000 def addrevision(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2001 self,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2002 text,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2003 transaction,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2004 link,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2005 p1,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2006 p2,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2007 cachedelta=None,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2008 node=None,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2009 flags=REVIDX_DEFAULT_FLAGS,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2010 deltacomputer=None,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2011 sidedata=None,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2012 ):
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
2013 """add a revision to the log
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
2014
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
2015 text - the revision data to add
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
2016 transaction - the transaction object used for rollback
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
2017 link - the linkrev data to add
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
2018 p1, p2 - the parent nodeids of the revision
12012
bade7a9c5c07 revlog: fix docstring
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 12011
diff changeset
2019 cachedelta - an optional precomputed delta
19625
6a411a06cb1f revlog: pass node as an argument of addrevision
Wojciech Lopata <lopek@fb.com>
parents: 19624
diff changeset
2020 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
2021 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
2022 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
2023 flags - the known flags to set on the revision
39357
655b5b465953 revlog: split functionality related to deltas computation in a new module
Boris Feld <boris.feld@octobus.net>
parents: 39356
diff changeset
2024 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
2025 multiple calls
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
2026 """
19326
7014526d67a8 revlog: add exception when linkrev == nullrev
Durham Goode <durham@fb.com>
parents: 19200
diff changeset
2027 if link == nullrev:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2028 raise error.RevlogError(
47162
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
2029 _(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
2030 )
25459
0bda5bfaf0b1 revlog: move size limit check to addrevision
Matt Mackall <mpm@selenic.com>
parents: 25410
diff changeset
2031
42988
33532939c667 revlog: add a `sidedata` parameters to addrevision
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42987
diff changeset
2032 if sidedata is None:
33532939c667 revlog: add a `sidedata` parameters to addrevision
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42987
diff changeset
2033 sidedata = {}
47098
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47095
diff changeset
2034 elif sidedata and not self.hassidedata:
43030
827cb4fe62a3 sidedata: introduce a new requirement to protect the feature
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43027
diff changeset
2035 raise error.ProgrammingError(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2036 _(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
2037 )
42988
33532939c667 revlog: add a `sidedata` parameters to addrevision
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42987
diff changeset
2038
30745
c1b7b2285522 revlog: flag processor
Remi Chaintron <remi@fb.com>
parents: 30744
diff changeset
2039 if flags:
c1b7b2285522 revlog: flag processor
Remi Chaintron <remi@fb.com>
parents: 30744
diff changeset
2040 node = node or self.hash(text, p1, p2)
c1b7b2285522 revlog: flag processor
Remi Chaintron <remi@fb.com>
parents: 30744
diff changeset
2041
46722
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2042 rawtext, validatehash = flagutil.processflagswrite(self, text, flags)
30745
c1b7b2285522 revlog: flag processor
Remi Chaintron <remi@fb.com>
parents: 30744
diff changeset
2043
c1b7b2285522 revlog: flag processor
Remi Chaintron <remi@fb.com>
parents: 30744
diff changeset
2044 # If the flag processor modifies the revision data, ignore any provided
c1b7b2285522 revlog: flag processor
Remi Chaintron <remi@fb.com>
parents: 30744
diff changeset
2045 # cachedelta.
31755
f319981c24c9 revlog: rename some "text"s to "rawtext"
Jun Wu <quark@fb.com>
parents: 31754
diff changeset
2046 if rawtext != text:
30745
c1b7b2285522 revlog: flag processor
Remi Chaintron <remi@fb.com>
parents: 30744
diff changeset
2047 cachedelta = None
c1b7b2285522 revlog: flag processor
Remi Chaintron <remi@fb.com>
parents: 30744
diff changeset
2048
31755
f319981c24c9 revlog: rename some "text"s to "rawtext"
Jun Wu <quark@fb.com>
parents: 31754
diff changeset
2049 if len(rawtext) > _maxentrysize:
39789
2cd93a8d4bde revlog: drop RevlogError alias (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39785
diff changeset
2050 raise error.RevlogError(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2051 _(
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2052 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
2053 )
47162
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
2054 % (self._indexfile, len(rawtext))
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2055 )
25459
0bda5bfaf0b1 revlog: move size limit check to addrevision
Matt Mackall <mpm@selenic.com>
parents: 25410
diff changeset
2056
31755
f319981c24c9 revlog: rename some "text"s to "rawtext"
Jun Wu <quark@fb.com>
parents: 31754
diff changeset
2057 node = node or self.hash(rawtext, p1, p2)
46560
f7b61ad3c64a revlog: change addrevision to return the new revision, not node
Joerg Sonnenberger <joerg@bec.de>
parents: 46559
diff changeset
2058 rev = self.index.get_rev(node)
f7b61ad3c64a revlog: change addrevision to return the new revision, not node
Joerg Sonnenberger <joerg@bec.de>
parents: 46559
diff changeset
2059 if rev is not None:
f7b61ad3c64a revlog: change addrevision to return the new revision, not node
Joerg Sonnenberger <joerg@bec.de>
parents: 46559
diff changeset
2060 return rev
12023
44c22dc193a4 revlog.addrevision(): move computation of nodeid in addrevision()
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 12012
diff changeset
2061
30745
c1b7b2285522 revlog: flag processor
Remi Chaintron <remi@fb.com>
parents: 30744
diff changeset
2062 if validatehash:
31755
f319981c24c9 revlog: rename some "text"s to "rawtext"
Jun Wu <quark@fb.com>
parents: 31754
diff changeset
2063 self.checkhash(rawtext, node, p1=p1, p2=p2)
30745
c1b7b2285522 revlog: flag processor
Remi Chaintron <remi@fb.com>
parents: 30744
diff changeset
2064
46560
f7b61ad3c64a revlog: change addrevision to return the new revision, not node
Joerg Sonnenberger <joerg@bec.de>
parents: 46559
diff changeset
2065 return self.addrawrevision(
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2066 rawtext,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2067 transaction,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2068 link,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2069 p1,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2070 p2,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2071 node,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2072 flags,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2073 cachedelta=cachedelta,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2074 deltacomputer=deltacomputer,
46722
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2075 sidedata=sidedata,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2076 )
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2077
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2078 def addrawrevision(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2079 self,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2080 rawtext,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2081 transaction,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2082 link,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2083 p1,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2084 p2,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2085 node,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2086 flags,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2087 cachedelta=None,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2088 deltacomputer=None,
46722
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2089 sidedata=None,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2090 ):
32284
3de4c61b5087 revlog: move part of "addrevision" to "addrawrevision"
Jun Wu <quark@fb.com>
parents: 32269
diff changeset
2091 """add a raw revision with known flags, node and parents
3de4c61b5087 revlog: move part of "addrevision" to "addrawrevision"
Jun Wu <quark@fb.com>
parents: 32269
diff changeset
2092 useful when reusing a revision not stored in this revlog (ex: received
3de4c61b5087 revlog: move part of "addrevision" to "addrawrevision"
Jun Wu <quark@fb.com>
parents: 32269
diff changeset
2093 over wire, or read from an external bundle).
3de4c61b5087 revlog: move part of "addrevision" to "addrawrevision"
Jun Wu <quark@fb.com>
parents: 32269
diff changeset
2094 """
4981
e7131935fbb3 revlog: simplify addrevision
Matt Mackall <mpm@selenic.com>
parents: 4980
diff changeset
2095 dfh = None
4982
9672e3c42b0c revlog: change _inline from a function to a variable
Matt Mackall <mpm@selenic.com>
parents: 4981
diff changeset
2096 if not self._inline:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2097 dfh = self._datafp(b"a+")
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2098 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
2099 try:
46559
9ee4e988e2be revlog: change addrawrevision to return the revision
Joerg Sonnenberger <joerg@bec.de>
parents: 46558
diff changeset
2100 return self._addrevision(
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2101 node,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2102 rawtext,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2103 transaction,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2104 link,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2105 p1,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2106 p2,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2107 flags,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2108 cachedelta,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2109 ifh,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2110 dfh,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2111 deltacomputer=deltacomputer,
46722
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2112 sidedata=sidedata,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2113 )
6261
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6228
diff changeset
2114 finally:
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6228
diff changeset
2115 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
2116 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
2117 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
2118
30795
78ac56aebab6 revlog: use compression engine API for compression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30793
diff changeset
2119 def compress(self, data):
78ac56aebab6 revlog: use compression engine API for compression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30793
diff changeset
2120 """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
2121 if not data:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2122 return b'', data
30795
78ac56aebab6 revlog: use compression engine API for compression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30793
diff changeset
2123
78ac56aebab6 revlog: use compression engine API for compression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30793
diff changeset
2124 compressed = self._compressor.compress(data)
78ac56aebab6 revlog: use compression engine API for compression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30793
diff changeset
2125
78ac56aebab6 revlog: use compression engine API for compression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30793
diff changeset
2126 if compressed:
78ac56aebab6 revlog: use compression engine API for compression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30793
diff changeset
2127 # 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
2128 return b'', compressed
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2129
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2130 if data[0:1] == b'\0':
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2131 return b'', data
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2132 return b'u', data
17128
1028a1c9077a revlog: make compress a method
Bryan O'Sullivan <bryano@fb.com>
parents: 17009
diff changeset
2133
30793
b6f455a6e4d6 revlog: move decompress() from module to revlog class (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30792
diff changeset
2134 def decompress(self, data):
b6f455a6e4d6 revlog: move decompress() from module to revlog class (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30792
diff changeset
2135 """Decompress a revlog chunk.
b6f455a6e4d6 revlog: move decompress() from module to revlog class (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30792
diff changeset
2136
b6f455a6e4d6 revlog: move decompress() from module to revlog class (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30792
diff changeset
2137 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
2138 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
2139 """
b6f455a6e4d6 revlog: move decompress() from module to revlog class (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30792
diff changeset
2140 if not data:
b6f455a6e4d6 revlog: move decompress() from module to revlog class (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30792
diff changeset
2141 return data
30817
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2142
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2143 # 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
2144 # 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
2145 # important here.
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2146 #
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2147 # 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
2148 #
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2149 # 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
2150 # raw data).
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2151 # 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
2152 # returning raw inline data.
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2153 # 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
2154 # engines
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2155 #
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2156 # 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
2157 # 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
2158 # 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
2159 # 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
2160 # followed by the compengines lookup.
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2161 #
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2162 # 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
2163 # compressed chunks. And this matters for changelog and manifest reads.
31365
ef6888172437 revlog: extract first byte of revlog with a slice so it's portable
Augie Fackler <augie@google.com>
parents: 30829
diff changeset
2164 t = data[0:1]
30817
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2165
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2166 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
2167 try:
30817
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2168 return _zlibdecompress(data)
30793
b6f455a6e4d6 revlog: move decompress() from module to revlog class (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30792
diff changeset
2169 except zlib.error as e:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2170 raise error.RevlogError(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2171 _(b'revlog decompress error: %s')
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2172 % stringutil.forcebytestr(e)
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2173 )
30817
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2174 # '\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
2175 elif t == b'\0':
30817
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2176 return data
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2177 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
2178 return util.buffer(data, 1)
30817
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2179
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2180 try:
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2181 compressor = self._decompressors[t]
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2182 except KeyError:
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2183 try:
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2184 engine = util.compengines.forrevlogheader(t)
42043
1fac9b931d46 compression: introduce a `storage.revlog.zlib.level` configuration
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41877
diff changeset
2185 compressor = engine.revlogcompressor(self._compengineopts)
30817
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2186 self._decompressors[t] = compressor
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2187 except KeyError:
46852
fbfb1d6d8459 revlog: fix error about unknown compression format in py3
Valentin Gatien-Baron <vgatien-baron@janestreet.com>
parents: 46819
diff changeset
2188 raise error.RevlogError(
fbfb1d6d8459 revlog: fix error about unknown compression format in py3
Valentin Gatien-Baron <vgatien-baron@janestreet.com>
parents: 46819
diff changeset
2189 _(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
2190 )
30817
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2191
2b279126b8f5 revlog: use compression engine APIs for decompression
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30795
diff changeset
2192 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
2193
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2194 def _addrevision(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2195 self,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2196 node,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2197 rawtext,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2198 transaction,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2199 link,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2200 p1,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2201 p2,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2202 flags,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2203 cachedelta,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2204 ifh,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2205 dfh,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2206 alwayscache=False,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2207 deltacomputer=None,
46722
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2208 sidedata=None,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2209 ):
14292
c97d8485b5fa revlog: add docstring to _addrevision
Sune Foldager <cryo@cyanite.org>
parents: 14270
diff changeset
2210 """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
2211
14292
c97d8485b5fa revlog: add docstring to _addrevision
Sune Foldager <cryo@cyanite.org>
parents: 14270
diff changeset
2212 see addrevision for argument descriptions.
31760
ec48d57de110 revlog: make _addrevision only accept rawtext
Jun Wu <quark@fb.com>
parents: 31759
diff changeset
2213
ec48d57de110 revlog: make _addrevision only accept rawtext
Jun Wu <quark@fb.com>
parents: 31759
diff changeset
2214 note: "addrevision" takes non-raw text, "_addrevision" takes raw text.
ec48d57de110 revlog: make _addrevision only accept rawtext
Jun Wu <quark@fb.com>
parents: 31759
diff changeset
2215
35738
f90f6fd130c1 revlog: group delta computation methods under _deltacomputer object
Paul Morelle <paul.morelle@octobus.net>
parents: 35737
diff changeset
2216 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
2217 be used.
f90f6fd130c1 revlog: group delta computation methods under _deltacomputer object
Paul Morelle <paul.morelle@octobus.net>
parents: 35737
diff changeset
2218
14292
c97d8485b5fa revlog: add docstring to _addrevision
Sune Foldager <cryo@cyanite.org>
parents: 14270
diff changeset
2219 invariants:
31760
ec48d57de110 revlog: make _addrevision only accept rawtext
Jun Wu <quark@fb.com>
parents: 31759
diff changeset
2220 - 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
2221 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
2222 """
47055
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
2223 if node == self.nullid:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2224 raise error.RevlogError(
47162
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
2225 _(b"%s: attempt to add null revision") % self._indexfile
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2226 )
47055
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
2227 if (
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
2228 node == self.nodeconstants.wdirid
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
2229 or node in self.nodeconstants.wdirfilenodeids
d55b71393907 node: replace nullid and friends with nodeconstants class
Joerg Sonnenberger <joerg@bec.de>
parents: 46974
diff changeset
2230 ):
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2231 raise error.RevlogError(
47162
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
2232 _(b"%s: attempt to add wdir revision") % self._indexfile
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2233 )
34045
bfb38c5cebf4 revlog: move check for wdir from changelog to revlog
Martin von Zweigbergk <martinvonz@google.com>
parents: 34044
diff changeset
2234
35635
0b52c0ecbc23 revlog: choose between ifh and dfh once for all
Paul Morelle <paul.morelle@octobus.net>
parents: 35634
diff changeset
2235 if self._inline:
0b52c0ecbc23 revlog: choose between ifh and dfh once for all
Paul Morelle <paul.morelle@octobus.net>
parents: 35634
diff changeset
2236 fh = ifh
0b52c0ecbc23 revlog: choose between ifh and dfh once for all
Paul Morelle <paul.morelle@octobus.net>
parents: 35634
diff changeset
2237 else:
0b52c0ecbc23 revlog: choose between ifh and dfh once for all
Paul Morelle <paul.morelle@octobus.net>
parents: 35634
diff changeset
2238 fh = dfh
0b52c0ecbc23 revlog: choose between ifh and dfh once for all
Paul Morelle <paul.morelle@octobus.net>
parents: 35634
diff changeset
2239
31760
ec48d57de110 revlog: make _addrevision only accept rawtext
Jun Wu <quark@fb.com>
parents: 31759
diff changeset
2240 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
2241
6750
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog
Matt Mackall <mpm@selenic.com>
parents: 6703
diff changeset
2242 curr = len(self)
4981
e7131935fbb3 revlog: simplify addrevision
Matt Mackall <mpm@selenic.com>
parents: 4980
diff changeset
2243 prev = curr - 1
46723
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46722
diff changeset
2244
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46722
diff changeset
2245 offset = self._get_data_offset(prev)
46646
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46561
diff changeset
2246
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46561
diff changeset
2247 if self._concurrencychecker:
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46561
diff changeset
2248 if self._inline:
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46561
diff changeset
2249 # offset is "as if" it were in the .d file, so we need to add on
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46561
diff changeset
2250 # the size of the entry metadata.
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46561
diff changeset
2251 self._concurrencychecker(
47162
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
2252 ifh, self._indexfile, offset + curr * self.index.entry_size
46646
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46561
diff changeset
2253 )
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46561
diff changeset
2254 else:
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46561
diff changeset
2255 # Entries in the .i are a consistent size.
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46561
diff changeset
2256 self._concurrencychecker(
47162
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
2257 ifh, self._indexfile, curr * self.index.entry_size
46646
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46561
diff changeset
2258 )
47163
396442cd7e6a revlog: rename `datafile` to `datafile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47162
diff changeset
2259 self._concurrencychecker(dfh, self._datafile, offset)
46646
e9901d01d135 revlog: add a mechanism to verify expected file position before appending
Kyle Lippincott <spectral@google.com>
parents: 46561
diff changeset
2260
12889
5482c6b826f4 revlog: precalculate p1 and p2 revisions
Matt Mackall <mpm@selenic.com>
parents: 12888
diff changeset
2261 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
2262
26116
562cfc99e611 revlog: move textlen calculation to be above delta chooser
Durham Goode <durham@fb.com>
parents: 26115
diff changeset
2263 # 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
2264 # become comparable to the uncompressed text
31760
ec48d57de110 revlog: make _addrevision only accept rawtext
Jun Wu <quark@fb.com>
parents: 31759
diff changeset
2265 if rawtext is None:
35841
369aadf7a326 revlog: resolve lfs rawtext to vanilla rawtext before applying delta
Jun Wu <quark@fb.com>
parents: 35840
diff changeset
2266 # need rawtext size, before changed by flag processors, which is
369aadf7a326 revlog: resolve lfs rawtext to vanilla rawtext before applying delta
Jun Wu <quark@fb.com>
parents: 35840
diff changeset
2267 # the non-raw size. use revlog explicitly to avoid filelog's extra
369aadf7a326 revlog: resolve lfs rawtext to vanilla rawtext before applying delta
Jun Wu <quark@fb.com>
parents: 35840
diff changeset
2268 # logic that might remove metadata size.
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2269 textlen = mdiff.patchedsize(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2270 revlog.size(self, cachedelta[0]), cachedelta[1]
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2271 )
26116
562cfc99e611 revlog: move textlen calculation to be above delta chooser
Durham Goode <durham@fb.com>
parents: 26115
diff changeset
2272 else:
31760
ec48d57de110 revlog: make _addrevision only accept rawtext
Jun Wu <quark@fb.com>
parents: 31759
diff changeset
2273 textlen = len(rawtext)
26116
562cfc99e611 revlog: move textlen calculation to be above delta chooser
Durham Goode <durham@fb.com>
parents: 26115
diff changeset
2274
35738
f90f6fd130c1 revlog: group delta computation methods under _deltacomputer object
Paul Morelle <paul.morelle@octobus.net>
parents: 35737
diff changeset
2275 if deltacomputer is None:
39357
655b5b465953 revlog: split functionality related to deltas computation in a new module
Boris Feld <boris.feld@octobus.net>
parents: 39356
diff changeset
2276 deltacomputer = deltautil.deltacomputer(self)
35738
f90f6fd130c1 revlog: group delta computation methods under _deltacomputer object
Paul Morelle <paul.morelle@octobus.net>
parents: 35737
diff changeset
2277
35737
d99b07bc69fb revlog: refactor out _finddeltainfo from _addrevision
Paul Morelle <paul.morelle@octobus.net>
parents: 35641
diff changeset
2278 revinfo = _revisioninfo(node, p1, p2, btext, textlen, cachedelta, flags)
35840
33275ab5e837 revlog: do not use delta for lfs revisions
Jun Wu <quark@fb.com>
parents: 35839
diff changeset
2279
39359
6f4b8f607a31 revlogdeltas: move special cases around raw revisions in finddeltainfo
Boris Feld <boris.feld@octobus.net>
parents: 39357
diff changeset
2280 deltainfo = deltacomputer.finddeltainfo(revinfo, fh)
35634
b43578ec483a revlog: refactor out the selection of candidate revisions
Paul Morelle <paul.morelle@octobus.net>
parents: 35525
diff changeset
2281
47150
84b176ad2860 revlog: replace REVLOGV2 check related to sidedata with `hassidedata` checks
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47148
diff changeset
2282 if sidedata and self.hassidedata:
46722
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2283 serialized_sidedata = sidedatautil.serialize_sidedata(sidedata)
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2284 sidedata_offset = offset + deltainfo.deltalen
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2285 else:
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2286 serialized_sidedata = b""
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2287 # Don't store the offset if the sidedata is empty, that way
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2288 # we can easily detect empty sidedata and they will be no different
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2289 # than ones we manually add.
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2290 sidedata_offset = 0
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2291
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2292 e = (
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2293 offset_type(offset, flags),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2294 deltainfo.deltalen,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2295 textlen,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2296 deltainfo.base,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2297 link,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2298 p1r,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2299 p2r,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2300 node,
46722
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2301 sidedata_offset,
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2302 len(serialized_sidedata),
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2303 )
46717
913485776542 revlog: introduce v2 format
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46646
diff changeset
2304
38889
6104b203bec8 index: replace insert(-1, e) method by append(e) method
Martin von Zweigbergk <martinvonz@google.com>
parents: 38888
diff changeset
2305 self.index.append(e)
47078
d57386e5c80e revlog: have an explicit "pack_header" method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47077
diff changeset
2306 entry = self.index.entry_binary(curr)
d57386e5c80e revlog: have an explicit "pack_header" method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47077
diff changeset
2307 if curr == 0:
47153
f58a13c52726 revlog: split the `version` attribute into its two components
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47150
diff changeset
2308 header = self._format_flags | self._format_version
f58a13c52726 revlog: split the `version` attribute into its two components
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47150
diff changeset
2309 header = self.index.pack_header(header)
47078
d57386e5c80e revlog: have an explicit "pack_header" method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47077
diff changeset
2310 entry = header + entry
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2311 self._writeentry(
46722
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2312 transaction,
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2313 ifh,
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2314 dfh,
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2315 entry,
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2316 deltainfo.data,
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2317 link,
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2318 offset,
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2319 serialized_sidedata,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2320 )
39360
5d343a24bff5 revlogdeltas: always return a delta info object in finddeltainfo
Boris Feld <boris.feld@octobus.net>
parents: 39359
diff changeset
2321
5d343a24bff5 revlogdeltas: always return a delta info object in finddeltainfo
Boris Feld <boris.feld@octobus.net>
parents: 39359
diff changeset
2322 rawtext = btext[0]
20217
33394f2e331e revlog: move file writing to a separate function
Durham Goode <durham@fb.com>
parents: 20180
diff changeset
2323
31760
ec48d57de110 revlog: make _addrevision only accept rawtext
Jun Wu <quark@fb.com>
parents: 31759
diff changeset
2324 if alwayscache and rawtext is None:
39225
dbc5ead9f40f revlog: fix typo in 'buildtext' name
Boris Feld <boris.feld@octobus.net>
parents: 39224
diff changeset
2325 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
2326
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2327 if type(rawtext) == bytes: # only accept immutable objects
40053
55db747a21ad revlog: rename _cache to _revisioncache
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40011
diff changeset
2328 self._revisioncache = (node, curr, rawtext)
39360
5d343a24bff5 revlogdeltas: always return a delta info object in finddeltainfo
Boris Feld <boris.feld@octobus.net>
parents: 39359
diff changeset
2329 self._chainbasecache[curr] = deltainfo.chainbase
46558
07984507d553 revlog: change _addrevision to return the new revision
Joerg Sonnenberger <joerg@bec.de>
parents: 46530
diff changeset
2330 return curr
20217
33394f2e331e revlog: move file writing to a separate function
Durham Goode <durham@fb.com>
parents: 20180
diff changeset
2331
46723
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46722
diff changeset
2332 def _get_data_offset(self, prev):
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46722
diff changeset
2333 """Returns the current offset in the (in-transaction) data file.
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46722
diff changeset
2334 Versions < 2 of the revlog can get this 0(1), revlog v2 needs a docket
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46722
diff changeset
2335 file to store that information: since sidedata can be rewritten to the
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46722
diff changeset
2336 end of the data file within a transaction, you can have cases where, for
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46722
diff changeset
2337 example, rev `n` does not have sidedata while rev `n - 1` does, leading
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46722
diff changeset
2338 to `n - 1`'s sidedata being written after `n`'s data.
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46722
diff changeset
2339
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46722
diff changeset
2340 TODO cache this in a docket file before getting out of experimental."""
47153
f58a13c52726 revlog: split the `version` attribute into its two components
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47150
diff changeset
2341 if self._format_version != REVLOGV2:
46723
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46722
diff changeset
2342 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: 46722
diff changeset
2343
4cd214c9948d revlogv2: don't assume that the sidedata of the last rev is right after data
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46722
diff changeset
2344 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: 46722
diff changeset
2345 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: 46722
diff changeset
2346 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: 46722
diff changeset
2347 # 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: 46722
diff changeset
2348 # 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: 46722
diff changeset
2349 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: 46722
diff changeset
2350 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: 46722
diff changeset
2351
46722
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2352 def _writeentry(
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2353 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: 46717
diff changeset
2354 ):
27430
e240e914d226 revlog: seek to end of file before writing (issue4943)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26705
diff changeset
2355 # 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
2356 # 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
2357 # 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
2358 # 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
2359 # 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
2360 # 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
2361 # 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
2362 #
e240e914d226 revlog: seek to end of file before writing (issue4943)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26705
diff changeset
2363 # We work around this issue by inserting a seek() before writing.
40671
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40670
diff changeset
2364 # Note: This is likely not necessary on Python 3. However, because
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40670
diff changeset
2365 # the file handle is reused for reads and may be seeked there, we need
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40670
diff changeset
2366 # 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
2367 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
2368 if dfh:
27430
e240e914d226 revlog: seek to end of file before writing (issue4943)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26705
diff changeset
2369 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
2370
20217
33394f2e331e revlog: move file writing to a separate function
Durham Goode <durham@fb.com>
parents: 20180
diff changeset
2371 curr = len(self) - 1
4982
9672e3c42b0c revlog: change _inline from a function to a variable
Matt Mackall <mpm@selenic.com>
parents: 4981
diff changeset
2372 if not self._inline:
47163
396442cd7e6a revlog: rename `datafile` to `datafile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47162
diff changeset
2373 transaction.add(self._datafile, offset)
47162
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
2374 transaction.add(self._indexfile, curr * len(entry))
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
2375 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
2376 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
2377 dfh.write(data[1])
46722
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2378 if sidedata:
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2379 dfh.write(sidedata)
4981
e7131935fbb3 revlog: simplify addrevision
Matt Mackall <mpm@selenic.com>
parents: 4980
diff changeset
2380 ifh.write(entry)
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
2381 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
2382 offset += curr * self.index.entry_size
47162
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
2383 transaction.add(self._indexfile, offset)
4981
e7131935fbb3 revlog: simplify addrevision
Matt Mackall <mpm@selenic.com>
parents: 4980
diff changeset
2384 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
2385 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
2386 ifh.write(data[1])
46722
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2387 if sidedata:
3d740058b467 sidedata: move to new sidedata storage in revlogv2
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46717
diff changeset
2388 ifh.write(sidedata)
36013
9ba1d0c724e2 revlog: rename 'self.checkinlinesize' into '_enforceinlinesize'
Boris Feld <boris.feld@octobus.net>
parents: 36012
diff changeset
2389 self._enforceinlinesize(transaction, ifh)
44351
5962fd0d1045 nodemap: write nodemap data on disk
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 44073
diff changeset
2390 nodemaputil.setup_persistent_nodemap(transaction, self)
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
2391
45811
a5206e71c536 revlog: extend addgroup() with callback for duplicates
Joerg Sonnenberger <joerg@bec.de>
parents: 45802
diff changeset
2392 def addgroup(
a5206e71c536 revlog: extend addgroup() with callback for duplicates
Joerg Sonnenberger <joerg@bec.de>
parents: 45802
diff changeset
2393 self,
a5206e71c536 revlog: extend addgroup() with callback for duplicates
Joerg Sonnenberger <joerg@bec.de>
parents: 45802
diff changeset
2394 deltas,
a5206e71c536 revlog: extend addgroup() with callback for duplicates
Joerg Sonnenberger <joerg@bec.de>
parents: 45802
diff changeset
2395 linkmapper,
a5206e71c536 revlog: extend addgroup() with callback for duplicates
Joerg Sonnenberger <joerg@bec.de>
parents: 45802
diff changeset
2396 transaction,
46445
711ba0f1057e revlog: decouple caching from addrevision callback for addgroup
Joerg Sonnenberger <joerg@bec.de>
parents: 46310
diff changeset
2397 alwayscache=False,
45811
a5206e71c536 revlog: extend addgroup() with callback for duplicates
Joerg Sonnenberger <joerg@bec.de>
parents: 45802
diff changeset
2398 addrevisioncb=None,
a5206e71c536 revlog: extend addgroup() with callback for duplicates
Joerg Sonnenberger <joerg@bec.de>
parents: 45802
diff changeset
2399 duplicaterevisioncb=None,
a5206e71c536 revlog: extend addgroup() with callback for duplicates
Joerg Sonnenberger <joerg@bec.de>
parents: 45802
diff changeset
2400 ):
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
2401 """
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
2402 add a delta group
46
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
2403
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
2404 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
2405 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
2406 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
2407
00e3f909907f revlog: add support for a callback whenever revisions are added
Gregory Szorc <gregory.szorc@gmail.com>
parents: 25660
diff changeset
2408 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
2409 this revlog and the node that was added.
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
2410 """
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
2411
40671
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40670
diff changeset
2412 if self._writinghandles:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2413 raise error.ProgrammingError(b'cannot nest addgroup() calls')
40671
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40670
diff changeset
2414
12624
557988c691d1 revlog.addgroup(): always use _addrevision() to add new revlog entries
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 12623
diff changeset
2415 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
2416 end = 0
46
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
2417 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
2418 end = self.end(r - 1)
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2419 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
2420 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
2421 if self._inline:
47162
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
2422 transaction.add(self._indexfile, end + isize)
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
2423 dfh = None
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
2424 else:
47162
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
2425 transaction.add(self._indexfile, isize)
47163
396442cd7e6a revlog: rename `datafile` to `datafile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47162
diff changeset
2426 transaction.add(self._datafile, end)
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2427 dfh = self._datafp(b"a+")
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2428
24255
4bfe9f2d9761 revlog: addgroup checks if incoming deltas add censored revs, sets flag bit
Mike Edgar <adgar@google.com>
parents: 24123
diff changeset
2429 def flush():
4bfe9f2d9761 revlog: addgroup checks if incoming deltas add censored revs, sets flag bit
Mike Edgar <adgar@google.com>
parents: 24123
diff changeset
2430 if dfh:
4bfe9f2d9761 revlog: addgroup checks if incoming deltas add censored revs, sets flag bit
Mike Edgar <adgar@google.com>
parents: 24123
diff changeset
2431 dfh.flush()
4bfe9f2d9761 revlog: addgroup checks if incoming deltas add censored revs, sets flag bit
Mike Edgar <adgar@google.com>
parents: 24123
diff changeset
2432 ifh.flush()
40671
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40670
diff changeset
2433
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40670
diff changeset
2434 self._writinghandles = (ifh, dfh)
45811
a5206e71c536 revlog: extend addgroup() with callback for duplicates
Joerg Sonnenberger <joerg@bec.de>
parents: 45802
diff changeset
2435 empty = True
40671
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40670
diff changeset
2436
6261
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6228
diff changeset
2437 try:
39357
655b5b465953 revlog: split functionality related to deltas computation in a new module
Boris Feld <boris.feld@octobus.net>
parents: 39356
diff changeset
2438 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
2439 # loop through our set of deltas
34160
c8b6ed51386b changegroup: remove changegroup dependency from revlog.addgroup
Durham Goode <durham@fb.com>
parents: 34159
diff changeset
2440 for data in deltas:
46724
a41565bef69f changegroup: add v4 changegroup for revlog v2 exchange
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46723
diff changeset
2441 node, p1, p2, linknode, deltabase, delta, flags, sidedata = data
34298
1db9abf407c5 revlog: add revmap back to revlog.addgroup
Durham Goode <durham@fb.com>
parents: 34257
diff changeset
2442 link = linkmapper(linknode)
34160
c8b6ed51386b changegroup: remove changegroup dependency from revlog.addgroup
Durham Goode <durham@fb.com>
parents: 34159
diff changeset
2443 flags = flags or REVIDX_DEFAULT_FLAGS
12336
9d234f7d8a77 bundle: move chunk parsing into unbundle class
Matt Mackall <mpm@selenic.com>
parents: 12335
diff changeset
2444
46561
7a93b7b3dc2d revlog: change addgroup callbacks to take revision numbers
Joerg Sonnenberger <joerg@bec.de>
parents: 46560
diff changeset
2445 rev = self.index.get_rev(node)
7a93b7b3dc2d revlog: change addgroup callbacks to take revision numbers
Joerg Sonnenberger <joerg@bec.de>
parents: 46560
diff changeset
2446 if rev is not None:
45811
a5206e71c536 revlog: extend addgroup() with callback for duplicates
Joerg Sonnenberger <joerg@bec.de>
parents: 45802
diff changeset
2447 # this can happen if two branches make the same change
46561
7a93b7b3dc2d revlog: change addgroup callbacks to take revision numbers
Joerg Sonnenberger <joerg@bec.de>
parents: 46560
diff changeset
2448 self._nodeduplicatecallback(transaction, rev)
45811
a5206e71c536 revlog: extend addgroup() with callback for duplicates
Joerg Sonnenberger <joerg@bec.de>
parents: 45802
diff changeset
2449 if duplicaterevisioncb:
46561
7a93b7b3dc2d revlog: change addgroup callbacks to take revision numbers
Joerg Sonnenberger <joerg@bec.de>
parents: 46560
diff changeset
2450 duplicaterevisioncb(self, rev)
45811
a5206e71c536 revlog: extend addgroup() with callback for duplicates
Joerg Sonnenberger <joerg@bec.de>
parents: 45802
diff changeset
2451 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
2452 continue
192
5d8553352d2e Changes to network protocol
mpm@selenic.com
parents: 155
diff changeset
2453
6261
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6228
diff changeset
2454 for p in (p1, p2):
43584
bf6fa330e0a5 index: use `index.has_node` in `revlog.addgroup`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43583
diff changeset
2455 if not self.index.has_node(p):
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2456 raise error.LookupError(
47162
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
2457 p, self._indexfile, _(b'unknown parent')
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2458 )
46
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
2459
43584
bf6fa330e0a5 index: use `index.has_node` in `revlog.addgroup`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 43583
diff changeset
2460 if not self.index.has_node(deltabase):
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2461 raise error.LookupError(
47162
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
2462 deltabase, self._indexfile, _(b'unknown delta base')
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2463 )
46
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
2464
14141
bd1cbfe5db5c bundler: make parsechunk return the base revision of the delta
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 14075
diff changeset
2465 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
2466
a450e0a2ba0a revlog: in addgroup, reject ill-formed deltas based on censored nodes
Mike Edgar <adgar@google.com>
parents: 24118
diff changeset
2467 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
2468 # 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
2469 # single patch operation
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2470 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
2471 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
2472 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
2473 if delta[:hlen] != mdiff.replacediffheader(oldlen, newlen):
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2474 raise error.CensoredBaseError(
47162
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
2475 self._indexfile, self.node(baserev)
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2476 )
24120
a450e0a2ba0a revlog: in addgroup, reject ill-formed deltas based on censored nodes
Mike Edgar <adgar@google.com>
parents: 24118
diff changeset
2477
27433
12f727a5b434 changegroup: add flags field to cg3 delta header
Mike Edgar <adgar@google.com>
parents: 27431
diff changeset
2478 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
2479 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
2480
26243
836291420d53 revlog: optionally cache the full text when adding revisions
Gregory Szorc <gregory.szorc@gmail.com>
parents: 26242
diff changeset
2481 # 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
2482 # 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
2483 # 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
2484 # 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: 30589
diff changeset
2485 # 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: 30589
diff changeset
2486 # 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: 30589
diff changeset
2487 # by the flagprocessor.
46561
7a93b7b3dc2d revlog: change addgroup callbacks to take revision numbers
Joerg Sonnenberger <joerg@bec.de>
parents: 46560
diff changeset
2488 rev = self._addrevision(
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2489 node,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2490 None,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2491 transaction,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2492 link,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2493 p1,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2494 p2,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2495 flags,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2496 (baserev, delta),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2497 ifh,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2498 dfh,
46445
711ba0f1057e revlog: decouple caching from addrevision callback for addgroup
Joerg Sonnenberger <joerg@bec.de>
parents: 46310
diff changeset
2499 alwayscache=alwayscache,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2500 deltacomputer=deltacomputer,
46725
e8c11a2c96c0 delta: add sidedata field to revision delta
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46724
diff changeset
2501 sidedata=sidedata,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2502 )
25822
00e3f909907f revlog: add support for a callback whenever revisions are added
Gregory Szorc <gregory.szorc@gmail.com>
parents: 25660
diff changeset
2503
00e3f909907f revlog: add support for a callback whenever revisions are added
Gregory Szorc <gregory.szorc@gmail.com>
parents: 25660
diff changeset
2504 if addrevisioncb:
46561
7a93b7b3dc2d revlog: change addgroup callbacks to take revision numbers
Joerg Sonnenberger <joerg@bec.de>
parents: 46560
diff changeset
2505 addrevisioncb(self, rev)
45811
a5206e71c536 revlog: extend addgroup() with callback for duplicates
Joerg Sonnenberger <joerg@bec.de>
parents: 45802
diff changeset
2506 empty = False
25822
00e3f909907f revlog: add support for a callback whenever revisions are added
Gregory Szorc <gregory.szorc@gmail.com>
parents: 25660
diff changeset
2507
12624
557988c691d1 revlog.addgroup(): always use _addrevision() to add new revlog entries
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 12623
diff changeset
2508 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
2509 # 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
2510 # reopen the index
13400
14f3795a5ed7 explicitly close files
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 13284
diff changeset
2511 ifh.close()
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2512 dfh = self._datafp(b"a+")
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2513 ifh = self._indexfp(b"a+")
40671
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40670
diff changeset
2514 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
2515 finally:
40671
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40670
diff changeset
2516 self._writinghandles = None
e9293c5f8bb9 revlog: automatically read from opened file handles
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40670
diff changeset
2517
6261
7c8101b5ceb1 revlog: make sure the files are closed after an exception happens
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 6228
diff changeset
2518 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
2519 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
2520 ifh.close()
45811
a5206e71c536 revlog: extend addgroup() with callback for duplicates
Joerg Sonnenberger <joerg@bec.de>
parents: 45802
diff changeset
2521 return not empty
1493
1a216cb4ee64 verify: add check for mismatch of index and data length
Matt Mackall <mpm@selenic.com>
parents: 1469
diff changeset
2522
24118
76f6ae06ddf5 revlog: add "iscensored()" to revlog public API
Mike Edgar <adgar@google.com>
parents: 24030
diff changeset
2523 def iscensored(self, rev):
76f6ae06ddf5 revlog: add "iscensored()" to revlog public API
Mike Edgar <adgar@google.com>
parents: 24030
diff changeset
2524 """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
2525 if not self._censorable:
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
2526 return False
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
2527
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
2528 return self.flags(rev) & REVIDX_ISCENSORED
24118
76f6ae06ddf5 revlog: add "iscensored()" to revlog public API
Mike Edgar <adgar@google.com>
parents: 24030
diff changeset
2529
24255
4bfe9f2d9761 revlog: addgroup checks if incoming deltas add censored revs, sets flag bit
Mike Edgar <adgar@google.com>
parents: 24123
diff changeset
2530 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
2531 """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
2532 if not self._censorable:
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
2533 return False
65250a66b55c revlog: move censor logic into main revlog class
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37442
diff changeset
2534
40325
b0fbd1792e2d storageutil: extract most of peek_censored from revlog
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40298
diff changeset
2535 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
2536
20074
5fc2ae1c631b strip: add faster revlog strip computation
Durham Goode <durham@fb.com>
parents: 20073
diff changeset
2537 def getstrippoint(self, minlink):
5fc2ae1c631b strip: add faster revlog strip computation
Durham Goode <durham@fb.com>
parents: 20073
diff changeset
2538 """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
2539
5fc2ae1c631b strip: add faster revlog strip computation
Durham Goode <durham@fb.com>
parents: 20073
diff changeset
2540 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
2541 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
2542 """
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2543 return storageutil.resolvestripinfo(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2544 minlink,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2545 len(self) - 1,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2546 self.headrevs(),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2547 self.linkrev,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2548 self.parentrevs,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2549 )
20074
5fc2ae1c631b strip: add faster revlog strip computation
Durham Goode <durham@fb.com>
parents: 20073
diff changeset
2550
8073
e8a28556a0a8 strip: make repair.strip transactional to avoid repository corruption
Henrik Stuart <henrik.stuart@edlund.dk>
parents: 8017
diff changeset
2551 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
2552 """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
2553
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5909
diff changeset
2554 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
2555 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
2556
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5909
diff changeset
2557 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
2558 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
2559 strip.
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5909
diff changeset
2560
b9a830fa10f6 simplify revlog.strip interface and callers; add docstring
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5909
diff changeset
2561 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
2562 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
2563 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
2564 """
6750
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog
Matt Mackall <mpm@selenic.com>
parents: 6703
diff changeset
2565 if len(self) == 0:
1535
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
2566 return
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
2567
20074
5fc2ae1c631b strip: add faster revlog strip computation
Durham Goode <durham@fb.com>
parents: 20073
diff changeset
2568 rev, _ = self.getstrippoint(minlink)
5fc2ae1c631b strip: add faster revlog strip computation
Durham Goode <durham@fb.com>
parents: 20073
diff changeset
2569 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
2570 return
1535
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
2571
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
2572 # first truncate the files on disk
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
2573 end = self.start(rev)
4982
9672e3c42b0c revlog: change _inline from a function to a variable
Matt Mackall <mpm@selenic.com>
parents: 4981
diff changeset
2574 if not self._inline:
47163
396442cd7e6a revlog: rename `datafile` to `datafile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47162
diff changeset
2575 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
2576 end = rev * self.index.entry_size
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
2577 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
2578 end += rev * self.index.entry_size
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
2579
47162
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
2580 transaction.add(self._indexfile, end)
1535
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
2581
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
2582 # then reset internal state in memory to forget those revisions
40053
55db747a21ad revlog: rename _cache to _revisioncache
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40011
diff changeset
2583 self._revisioncache = None
45802
8719a5b68419 revlog: use LRU for the chain cache
Joerg Sonnenberger <joerg@bec.de>
parents: 45735
diff changeset
2584 self._chaininfocache = util.lrucachedict(500)
8650
ef393d6ec030 revlog: refactor chunk cache interface again
Matt Mackall <mpm@selenic.com>
parents: 8643
diff changeset
2585 self._chunkclear()
1535
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
2586
4979
06abdaf78788 revlog: add a magic null revision to our index
Matt Mackall <mpm@selenic.com>
parents: 4978
diff changeset
2587 del self.index[rev:-1]
1535
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
2588
1493
1a216cb4ee64 verify: add check for mismatch of index and data length
Matt Mackall <mpm@selenic.com>
parents: 1469
diff changeset
2589 def checksize(self):
41877
3f3f962457b2 revlog: add some documentation to the `checksize` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41862
diff changeset
2590 """Check size of index and data files
3f3f962457b2 revlog: add some documentation to the `checksize` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41862
diff changeset
2591
3f3f962457b2 revlog: add some documentation to the `checksize` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41862
diff changeset
2592 return a (dd, di) tuple.
3f3f962457b2 revlog: add some documentation to the `checksize` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41862
diff changeset
2593 - dd: extra bytes for the "data" file
3f3f962457b2 revlog: add some documentation to the `checksize` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41862
diff changeset
2594 - di: extra bytes for the "index" file
3f3f962457b2 revlog: add some documentation to the `checksize` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41862
diff changeset
2595
3f3f962457b2 revlog: add some documentation to the `checksize` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41862
diff changeset
2596 A healthy revlog will return (0, 0).
3f3f962457b2 revlog: add some documentation to the `checksize` method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41862
diff changeset
2597 """
1493
1a216cb4ee64 verify: add check for mismatch of index and data length
Matt Mackall <mpm@selenic.com>
parents: 1469
diff changeset
2598 expected = 0
6750
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog
Matt Mackall <mpm@selenic.com>
parents: 6703
diff changeset
2599 if len(self):
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog
Matt Mackall <mpm@selenic.com>
parents: 6703
diff changeset
2600 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
2601
1494
249ca10d37f4 Handle empty logs in repo.checksize
Matt Mackall <mpm@selenic.com>
parents: 1493
diff changeset
2602 try:
36011
82afb1a5ed94 revlog: use context manager for data file lifetime in checksize
Boris Feld <boris.feld@octobus.net>
parents: 36010
diff changeset
2603 with self._datafp() as f:
42567
4eaf7197a740 cleanup: use named constants for second arg to .seek()
Augie Fackler <augie@google.com>
parents: 42478
diff changeset
2604 f.seek(0, io.SEEK_END)
36011
82afb1a5ed94 revlog: use context manager for data file lifetime in checksize
Boris Feld <boris.feld@octobus.net>
parents: 36010
diff changeset
2605 actual = f.tell()
1667
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
2606 dd = actual - expected
25660
328739ea70c3 global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents: 25459
diff changeset
2607 except IOError as inst:
1667
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
2608 if inst.errno != errno.ENOENT:
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
2609 raise
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
2610 dd = 0
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
2611
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
2612 try:
47162
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
2613 f = self.opener(self._indexfile)
42567
4eaf7197a740 cleanup: use named constants for second arg to .seek()
Augie Fackler <augie@google.com>
parents: 42478
diff changeset
2614 f.seek(0, io.SEEK_END)
1667
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
2615 actual = f.tell()
13400
14f3795a5ed7 explicitly close files
Dan Villiom Podlaski Christiansen <danchr@gmail.com>
parents: 13284
diff changeset
2616 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
2617 s = self.index.entry_size
9029
0001e49f1c11 compat: use // for integer division
Alejandro Santos <alejolp@alejolp.com>
parents: 8658
diff changeset
2618 i = max(0, actual // s)
1667
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
2619 di = actual - (i * s)
4982
9672e3c42b0c revlog: change _inline from a function to a variable
Matt Mackall <mpm@selenic.com>
parents: 4981
diff changeset
2620 if self._inline:
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
2621 databytes = 0
6750
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog
Matt Mackall <mpm@selenic.com>
parents: 6703
diff changeset
2622 for r in self:
5312
fb070713ff36 revlog: more robust for damaged indexes
Matt Mackall <mpm@selenic.com>
parents: 5007
diff changeset
2623 databytes += max(0, self.length(r))
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
2624 dd = 0
6750
fb42030d79d6 add __len__ and __iter__ methods to repo and revlog
Matt Mackall <mpm@selenic.com>
parents: 6703
diff changeset
2625 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
2626 except IOError as inst:
1667
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
2627 if inst.errno != errno.ENOENT:
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
2628 raise
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
2629 di = 0
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
2630
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
2631 return (dd, di)
6891
22cb82433842 revlog: add files method
Adrian Buehlmann <adrian@cadifra.com>
parents: 6872
diff changeset
2632
22cb82433842 revlog: add files method
Adrian Buehlmann <adrian@cadifra.com>
parents: 6872
diff changeset
2633 def files(self):
47162
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
2634 res = [self._indexfile]
6891
22cb82433842 revlog: add files method
Adrian Buehlmann <adrian@cadifra.com>
parents: 6872
diff changeset
2635 if not self._inline:
47163
396442cd7e6a revlog: rename `datafile` to `datafile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47162
diff changeset
2636 res.append(self._datafile)
6891
22cb82433842 revlog: add files method
Adrian Buehlmann <adrian@cadifra.com>
parents: 6872
diff changeset
2637 return res
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2638
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2639 def emitrevisions(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2640 self,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2641 nodes,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2642 nodesorder=None,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2643 revisiondata=False,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2644 assumehaveparentrevisions=False,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2645 deltamode=repository.CG_DELTAMODE_STD,
46728
45f0d5297698 changegroupv4: add sidedata helpers
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46725
diff changeset
2646 sidedata_helpers=None,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2647 ):
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2648 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
2649 raise error.ProgrammingError(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2650 b'unhandled value for nodesorder: %s' % nodesorder
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2651 )
39867
5a9ab91e0a45 revlog: new API to emit revision data
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39850
diff changeset
2652
5a9ab91e0a45 revlog: new API to emit revision data
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39850
diff changeset
2653 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
2654 nodesorder = b'storage'
39867
5a9ab91e0a45 revlog: new API to emit revision data
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39850
diff changeset
2655
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2656 if (
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2657 not self._storedeltachains
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2658 and deltamode != repository.CG_DELTAMODE_PREV
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2659 ):
40495
59a870a4ad6e changegroup: refactor emitrevision to use a `deltamode` argument
Boris Feld <boris.feld@octobus.net>
parents: 40325
diff changeset
2660 deltamode = repository.CG_DELTAMODE_FULL
59a870a4ad6e changegroup: refactor emitrevision to use a `deltamode` argument
Boris Feld <boris.feld@octobus.net>
parents: 40325
diff changeset
2661
40009
842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40005
diff changeset
2662 return storageutil.emitrevisions(
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2663 self,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2664 nodes,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2665 nodesorder,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2666 revlogrevisiondelta,
40009
842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40005
diff changeset
2667 deltaparentfn=self.deltaparent,
842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40005
diff changeset
2668 candeltafn=self.candelta,
842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40005
diff changeset
2669 rawsizefn=self.rawsize,
842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40005
diff changeset
2670 revdifffn=self.revdiff,
842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40005
diff changeset
2671 flagsfn=self.flags,
40495
59a870a4ad6e changegroup: refactor emitrevision to use a `deltamode` argument
Boris Feld <boris.feld@octobus.net>
parents: 40325
diff changeset
2672 deltamode=deltamode,
40009
842ffcf1d42f storageutil: extract most of emitrevisions() to standalone function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40005
diff changeset
2673 revisiondata=revisiondata,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2674 assumehaveparentrevisions=assumehaveparentrevisions,
46728
45f0d5297698 changegroupv4: add sidedata helpers
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46725
diff changeset
2675 sidedata_helpers=sidedata_helpers,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2676 )
39867
5a9ab91e0a45 revlog: new API to emit revision data
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39850
diff changeset
2677
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2678 DELTAREUSEALWAYS = b'always'
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2679 DELTAREUSESAMEREVS = b'samerevs'
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2680 DELTAREUSENEVER = b'never'
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2681
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2682 DELTAREUSEFULLADD = b'fulladd'
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2683
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2684 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
2685
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2686 def clone(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2687 self,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2688 tr,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2689 destrevlog,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2690 addrevisioncb=None,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2691 deltareuse=DELTAREUSESAMEREVS,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2692 forcedeltabothparents=None,
47098
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47095
diff changeset
2693 sidedata_helpers=None,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2694 ):
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2695 """Copy this revlog to another, possibly with format changes.
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2696
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2697 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
2698 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
2699 differences.
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2700
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2701 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
2702 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
2703 following values:
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2704
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2705 DELTAREUSEALWAYS
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2706 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
2707 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
2708 fastest mode of operation.
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2709 DELTAREUSESAMEREVS
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2710 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
2711 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
2712 and optimization.
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2713 DELTAREUSENEVER
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2714 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
2715 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
2716 algorithm changes).
42999
6510c7830838 upgrade: document DELTAREUSEFULLADD in revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42998
diff changeset
2717 DELTAREUSEFULLADD
6510c7830838 upgrade: document DELTAREUSEFULLADD in revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42998
diff changeset
2718 Revision will be re-added as if their were new content. This is
6510c7830838 upgrade: document DELTAREUSEFULLADD in revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42998
diff changeset
2719 slower than DELTAREUSEALWAYS but allow more mechanism to kicks in.
6510c7830838 upgrade: document DELTAREUSEFULLADD in revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42998
diff changeset
2720 eg: large file detection and handling.
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2721
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2722 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
2723 significantly affect run time.
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2724
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2725 The default policy (``DELTAREUSESAMEREVS``) strikes a balance between
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2726 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
2727 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
2728 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
2729 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
2730 revision.
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2731
40855
64051af15596 upgrade: clarify "aggressivemergedelta" handling
Boris Feld <boris.feld@octobus.net>
parents: 40772
diff changeset
2732 In addition to the delta policy, the ``forcedeltabothparents``
64051af15596 upgrade: clarify "aggressivemergedelta" handling
Boris Feld <boris.feld@octobus.net>
parents: 40772
diff changeset
2733 argument controls whether to force compute deltas against both parents
64051af15596 upgrade: clarify "aggressivemergedelta" handling
Boris Feld <boris.feld@octobus.net>
parents: 40772
diff changeset
2734 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
2735
47100
8bd769b5c941 sidedata: move documentation about sidedata helpers to sidedata module
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47099
diff changeset
2736 See `revlogutil.sidedata.get_sidedata_helpers` for the doc on
8bd769b5c941 sidedata: move documentation about sidedata helpers to sidedata module
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47099
diff changeset
2737 `sidedata_helpers`.
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2738 """
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2739 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
2740 raise ValueError(
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2741 _(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
2742 )
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2743
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2744 if len(destrevlog):
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2745 raise ValueError(_(b'destination revlog is not empty'))
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2746
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2747 if getattr(self, 'filteredrevs', None):
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2748 raise ValueError(_(b'source revlog has filtered revisions'))
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2749 if getattr(destrevlog, 'filteredrevs', None):
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2750 raise ValueError(_(b'destination revlog has filtered revisions'))
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2751
41862
afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41824
diff changeset
2752 # lazydelta and lazydeltabase controls whether to reuse a cached delta,
afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41824
diff changeset
2753 # if possible.
afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41824
diff changeset
2754 oldlazydelta = destrevlog._lazydelta
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2755 oldlazydeltabase = destrevlog._lazydeltabase
38736
93777d16a25d aggressivemergedeltas: rename variable internally
Boris Feld <boris.feld@octobus.net>
parents: 38718
diff changeset
2756 oldamd = destrevlog._deltabothparents
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2757
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2758 try:
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2759 if deltareuse == self.DELTAREUSEALWAYS:
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2760 destrevlog._lazydeltabase = True
41862
afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41824
diff changeset
2761 destrevlog._lazydelta = True
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2762 elif deltareuse == self.DELTAREUSESAMEREVS:
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2763 destrevlog._lazydeltabase = False
41862
afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41824
diff changeset
2764 destrevlog._lazydelta = True
afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41824
diff changeset
2765 elif deltareuse == self.DELTAREUSENEVER:
afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41824
diff changeset
2766 destrevlog._lazydeltabase = False
afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41824
diff changeset
2767 destrevlog._lazydelta = False
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2768
40855
64051af15596 upgrade: clarify "aggressivemergedelta" handling
Boris Feld <boris.feld@octobus.net>
parents: 40772
diff changeset
2769 destrevlog._deltabothparents = forcedeltabothparents or oldamd
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2770
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2771 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
2772 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
2773 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
2774 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
2775 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
2776 forcedeltabothparents,
47098
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47095
diff changeset
2777 sidedata_helpers,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2778 )
42998
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
2779
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2780 finally:
41862
afd37ed731f1 revlog: preserve `_lazydelta` attribute in `revlog.clone`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41824
diff changeset
2781 destrevlog._lazydelta = oldlazydelta
30778
1c7368d1a25f revlog: add clone method
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30746
diff changeset
2782 destrevlog._lazydeltabase = oldlazydeltabase
38736
93777d16a25d aggressivemergedeltas: rename variable internally
Boris Feld <boris.feld@octobus.net>
parents: 38718
diff changeset
2783 destrevlog._deltabothparents = oldamd
39794
a6b3c4c1019f revlog: move censor logic out of censor extension
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39791
diff changeset
2784
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2785 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
2786 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
2787 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
2788 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
2789 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
2790 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
2791 forcedeltabothparents,
47098
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47095
diff changeset
2792 sidedata_helpers,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2793 ):
42998
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
2794 """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: 42997
diff changeset
2795 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: 42997
diff changeset
2796 index = self.index
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
2797 for rev in self:
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
2798 entry = index[rev]
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
2799
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
2800 # Some classes override linkrev to take filtered revs into
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
2801 # account. Use raw entry from index.
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2802 flags = entry[0] & 0xFFFF
42998
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
2803 linkrev = entry[4]
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
2804 p1 = index[entry[5]][7]
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
2805 p2 = index[entry[6]][7]
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
2806 node = entry[7]
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
2807
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
2808 # (Possibly) reuse the delta from the revlog if allowed and
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
2809 # the revlog chunk is a delta.
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
2810 cachedelta = None
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
2811 rawtext = None
47098
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47095
diff changeset
2812 if deltareuse == self.DELTAREUSEFULLADD:
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
2813 text, sidedata = self._revisiondata(rev)
47098
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47095
diff changeset
2814
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47095
diff changeset
2815 if sidedata_helpers is not None:
47099
3aab2330b7d3 sidedata: move sidedata-related utils to the dedicated module
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47098
diff changeset
2816 (sidedata, new_flags) = sidedatautil.run_sidedata_helpers(
47098
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47095
diff changeset
2817 self, sidedata_helpers, sidedata, rev
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47095
diff changeset
2818 )
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47095
diff changeset
2819 flags = flags | new_flags[0] & ~new_flags[1]
45735
edf4fa06df94 upgrade: allow sidedata upgrade to modify revision flag
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 45671
diff changeset
2820
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2821 destrevlog.addrevision(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2822 text,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2823 tr,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2824 linkrev,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2825 p1,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2826 p2,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2827 cachedelta=cachedelta,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2828 node=node,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2829 flags=flags,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2830 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
2831 sidedata=sidedata,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2832 )
42998
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
2833 else:
43000
8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42999
diff changeset
2834 if destrevlog._lazydelta:
8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42999
diff changeset
2835 dp = self.deltaparent(rev)
8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42999
diff changeset
2836 if dp != nullrev:
8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42999
diff changeset
2837 cachedelta = (dp, bytes(self._chunk(rev)))
8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42999
diff changeset
2838
47098
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47095
diff changeset
2839 sidedata = None
43000
8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42999
diff changeset
2840 if not cachedelta:
47098
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47095
diff changeset
2841 rawtext, sidedata = self._revisiondata(rev)
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47095
diff changeset
2842 if sidedata is None:
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47095
diff changeset
2843 sidedata = self.sidedata(rev)
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47095
diff changeset
2844
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47095
diff changeset
2845 if sidedata_helpers is not None:
47099
3aab2330b7d3 sidedata: move sidedata-related utils to the dedicated module
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47098
diff changeset
2846 (sidedata, new_flags) = sidedatautil.run_sidedata_helpers(
47098
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47095
diff changeset
2847 self, sidedata_helpers, sidedata, rev
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47095
diff changeset
2848 )
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47095
diff changeset
2849 flags = flags | new_flags[0] & ~new_flags[1]
43000
8a31294fa25c upgrade: fix DELTAREUSEFULLADD implementation in revlog.clone
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42999
diff changeset
2850
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2851 ifh = destrevlog.opener(
47162
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
2852 destrevlog._indexfile, b'a+', checkambig=False
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2853 )
42998
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
2854 dfh = None
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
2855 if not destrevlog._inline:
47163
396442cd7e6a revlog: rename `datafile` to `datafile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47162
diff changeset
2856 dfh = destrevlog.opener(destrevlog._datafile, b'a+')
42998
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
2857 try:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2858 destrevlog._addrevision(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2859 node,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2860 rawtext,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2861 tr,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2862 linkrev,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2863 p1,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2864 p2,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2865 flags,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2866 cachedelta,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2867 ifh,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2868 dfh,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2869 deltacomputer=deltacomputer,
47098
27f1191b1305 sidedata: replace sidedata upgrade mechanism with the new one
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47095
diff changeset
2870 sidedata=sidedata,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2871 )
42998
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
2872 finally:
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
2873 if dfh:
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
2874 dfh.close()
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
2875 ifh.close()
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
2876
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
2877 if addrevisioncb:
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
2878 addrevisioncb(self, rev, node)
4f2315cce1db upgrade: move most of revlog.clone method into a _clone method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42997
diff changeset
2879
40057
324b4b10351e revlog: rewrite censoring logic
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40056
diff changeset
2880 def censorrevision(self, tr, censornode, tombstone=b''):
47153
f58a13c52726 revlog: split the `version` attribute into its two components
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47150
diff changeset
2881 if self._format_version == REVLOGV0:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2882 raise error.RevlogError(
47153
f58a13c52726 revlog: split the `version` attribute into its two components
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47150
diff changeset
2883 _(b'cannot censor with version %d revlogs')
f58a13c52726 revlog: split the `version` attribute into its two components
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47150
diff changeset
2884 % self._format_version
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2885 )
39794
a6b3c4c1019f revlog: move censor logic out of censor extension
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39791
diff changeset
2886
40057
324b4b10351e revlog: rewrite censoring logic
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40056
diff changeset
2887 censorrev = self.rev(censornode)
39883
3e896b51aa5d storageutil: move metadata parsing and packing from revlog (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39882
diff changeset
2888 tombstone = storageutil.packmeta({b'censored': tombstone}, b'')
39794
a6b3c4c1019f revlog: move censor logic out of censor extension
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39791
diff changeset
2889
40057
324b4b10351e revlog: rewrite censoring logic
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40056
diff changeset
2890 if len(tombstone) > self.rawsize(censorrev):
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2891 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
2892 _(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
2893 )
39794
a6b3c4c1019f revlog: move censor logic out of censor extension
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39791
diff changeset
2894
40057
324b4b10351e revlog: rewrite censoring logic
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40056
diff changeset
2895 # Rewriting the revlog in place is hard. Our strategy for censoring is
324b4b10351e revlog: rewrite censoring logic
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40056
diff changeset
2896 # 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: 40056
diff changeset
2897 # revlogs on transaction close.
47159
c6b8d5d91e73 revlog: deal with special "postfix" explicitely
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47158
diff changeset
2898 #
40057
324b4b10351e revlog: rewrite censoring logic
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40056
diff changeset
2899 # This is a bit dangerous. We could easily have a mismatch of state.
47089
4c041c71ec01 revlog: introduce an explicit tracking of what the revlog is about
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47082
diff changeset
2900 newrl = revlog(
4c041c71ec01 revlog: introduce an explicit tracking of what the revlog is about
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47082
diff changeset
2901 self.opener,
4c041c71ec01 revlog: introduce an explicit tracking of what the revlog is about
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47082
diff changeset
2902 target=self.target,
47159
c6b8d5d91e73 revlog: deal with special "postfix" explicitely
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47158
diff changeset
2903 postfix=b'tmpcensored',
47162
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
2904 indexfile=self._indexfile,
47089
4c041c71ec01 revlog: introduce an explicit tracking of what the revlog is about
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47082
diff changeset
2905 censorable=True,
4c041c71ec01 revlog: introduce an explicit tracking of what the revlog is about
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47082
diff changeset
2906 )
47153
f58a13c52726 revlog: split the `version` attribute into its two components
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47150
diff changeset
2907 newrl._format_version = self._format_version
f58a13c52726 revlog: split the `version` attribute into its two components
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47150
diff changeset
2908 newrl._format_flags = self._format_flags
40057
324b4b10351e revlog: rewrite censoring logic
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40056
diff changeset
2909 newrl._generaldelta = self._generaldelta
47077
5e64c93d5f94 revlog: remove the revlogio class
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47075
diff changeset
2910 newrl._parse_index = self._parse_index
39794
a6b3c4c1019f revlog: move censor logic out of censor extension
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39791
diff changeset
2911
40057
324b4b10351e revlog: rewrite censoring logic
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40056
diff changeset
2912 for rev in self.revs():
324b4b10351e revlog: rewrite censoring logic
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40056
diff changeset
2913 node = self.node(rev)
324b4b10351e revlog: rewrite censoring logic
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40056
diff changeset
2914 p1, p2 = self.parents(node)
39794
a6b3c4c1019f revlog: move censor logic out of censor extension
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39791
diff changeset
2915
40057
324b4b10351e revlog: rewrite censoring logic
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40056
diff changeset
2916 if rev == censorrev:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2917 newrl.addrawrevision(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2918 tombstone,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2919 tr,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2920 self.linkrev(censorrev),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2921 p1,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2922 p2,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2923 censornode,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2924 REVIDX_ISCENSORED,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2925 )
39794
a6b3c4c1019f revlog: move censor logic out of censor extension
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39791
diff changeset
2926
40057
324b4b10351e revlog: rewrite censoring logic
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40056
diff changeset
2927 if newrl.deltaparent(rev) != nullrev:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2928 raise error.Abort(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2929 _(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2930 b'censored revision stored as delta; '
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2931 b'cannot censor'
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2932 ),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2933 hint=_(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2934 b'censoring of revlogs is not '
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2935 b'fully implemented; please report '
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2936 b'this bug'
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2937 ),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2938 )
40057
324b4b10351e revlog: rewrite censoring logic
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40056
diff changeset
2939 continue
39794
a6b3c4c1019f revlog: move censor logic out of censor extension
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39791
diff changeset
2940
40057
324b4b10351e revlog: rewrite censoring logic
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40056
diff changeset
2941 if self.iscensored(rev):
324b4b10351e revlog: rewrite censoring logic
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40056
diff changeset
2942 if self.deltaparent(rev) != nullrev:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2943 raise error.Abort(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2944 _(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2945 b'cannot censor due to censored '
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2946 b'revision having delta stored'
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2947 )
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2948 )
40057
324b4b10351e revlog: rewrite censoring logic
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40056
diff changeset
2949 rawtext = self._chunk(rev)
39794
a6b3c4c1019f revlog: move censor logic out of censor extension
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39791
diff changeset
2950 else:
42784
5a8f2c8edff6 rawdata: update caller in revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42749
diff changeset
2951 rawtext = self.rawdata(rev)
40057
324b4b10351e revlog: rewrite censoring logic
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40056
diff changeset
2952
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2953 newrl.addrawrevision(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2954 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
2955 )
39794
a6b3c4c1019f revlog: move censor logic out of censor extension
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39791
diff changeset
2956
47162
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
2957 tr.addbackup(self._indexfile, location=b'store')
40057
324b4b10351e revlog: rewrite censoring logic
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40056
diff changeset
2958 if not self._inline:
47163
396442cd7e6a revlog: rename `datafile` to `datafile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47162
diff changeset
2959 tr.addbackup(self._datafile, location=b'store')
40057
324b4b10351e revlog: rewrite censoring logic
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40056
diff changeset
2960
47162
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
2961 self.opener.rename(newrl._indexfile, self._indexfile)
40057
324b4b10351e revlog: rewrite censoring logic
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40056
diff changeset
2962 if not self._inline:
47163
396442cd7e6a revlog: rename `datafile` to `datafile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47162
diff changeset
2963 self.opener.rename(newrl._datafile, self._datafile)
40057
324b4b10351e revlog: rewrite censoring logic
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40056
diff changeset
2964
324b4b10351e revlog: rewrite censoring logic
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40056
diff changeset
2965 self.clearcaches()
41204
e3cfe0702eac revlog: inline opener options logic into _loadindex()
Gregory Szorc <gregory.szorc@gmail.com>
parents: 41203
diff changeset
2966 self._loadindex()
39847
97986c9c69d3 verify: start to abstract file verification
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39836
diff changeset
2967
97986c9c69d3 verify: start to abstract file verification
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39836
diff changeset
2968 def verifyintegrity(self, state):
97986c9c69d3 verify: start to abstract file verification
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39836
diff changeset
2969 """Verifies the integrity of the revlog.
97986c9c69d3 verify: start to abstract file verification
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39836
diff changeset
2970
97986c9c69d3 verify: start to abstract file verification
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39836
diff changeset
2971 Yields ``revlogproblem`` instances describing problems that are
97986c9c69d3 verify: start to abstract file verification
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39836
diff changeset
2972 found.
97986c9c69d3 verify: start to abstract file verification
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39836
diff changeset
2973 """
97986c9c69d3 verify: start to abstract file verification
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39836
diff changeset
2974 dd, di = self.checksize()
97986c9c69d3 verify: start to abstract file verification
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39836
diff changeset
2975 if dd:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2976 yield revlogproblem(error=_(b'data length off by %d bytes') % dd)
39847
97986c9c69d3 verify: start to abstract file verification
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39836
diff changeset
2977 if di:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2978 yield revlogproblem(error=_(b'index contains %d extra bytes') % di)
39847
97986c9c69d3 verify: start to abstract file verification
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39836
diff changeset
2979
47153
f58a13c52726 revlog: split the `version` attribute into its two components
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47150
diff changeset
2980 version = self._format_version
39850
e6d3d39cc1c7 revlog: use proper version comparison during verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39847
diff changeset
2981
e6d3d39cc1c7 revlog: use proper version comparison during verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39847
diff changeset
2982 # 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
2983 if version != state[b'expectedversion']:
39850
e6d3d39cc1c7 revlog: use proper version comparison during verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39847
diff changeset
2984 yield revlogproblem(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2985 warning=_(b"warning: '%s' uses revlog format %d; expected %d")
47162
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
2986 % (self._indexfile, version, state[b'expectedversion'])
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
2987 )
39874
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39871
diff changeset
2988
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
2989 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
2990 state[b'safe_renamed'] = set()
39877
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
2991
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
2992 for rev in self:
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
2993 node = self.node(rev)
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
2994
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
2995 # Verify contents. 4 cases to care about:
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
2996 #
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
2997 # common: the most common case
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
2998 # rename: with a rename
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
2999 # meta: file content starts with b'\1\n', the metadata
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3000 # header defined in filelog.py, but without a rename
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3001 # ext: content stored externally
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3002 #
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3003 # More formally, their differences are shown below:
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3004 #
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3005 # | common | rename | meta | ext
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3006 # -------------------------------------------------------
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3007 # flags() | 0 | 0 | 0 | not 0
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3008 # renamed() | False | True | False | ?
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3009 # rawtext[0:2]=='\1\n'| False | True | True | ?
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3010 #
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3011 # "rawtext" means the raw text stored in revlog data, which
42784
5a8f2c8edff6 rawdata: update caller in revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42749
diff changeset
3012 # could be retrieved by "rawdata(rev)". "text"
5a8f2c8edff6 rawdata: update caller in revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42749
diff changeset
3013 # mentioned below is "revision(rev)".
39877
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3014 #
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3015 # There are 3 different lengths stored physically:
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3016 # 1. L1: rawsize, stored in revlog index
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3017 # 2. L2: len(rawtext), stored in revlog data
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3018 # 3. L3: len(text), stored in revlog data if flags==0, or
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3019 # possibly somewhere else if flags!=0
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3020 #
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3021 # L1 should be equal to L2. L3 could be different from them.
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3022 # "text" may or may not affect commit hash depending on flag
42749
6d61be152c55 flagutil: move addflagprocessor to the new module (API)
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42748
diff changeset
3023 # processors (see flagutil.addflagprocessor).
39877
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3024 #
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3025 # | common | rename | meta | ext
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3026 # -------------------------------------------------
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3027 # rawsize() | L1 | L1 | L1 | L1
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3028 # size() | L1 | L2-LM | L1(*) | L1 (?)
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3029 # len(rawtext) | L2 | L2 | L2 | L2
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3030 # len(text) | L2 | L2 | L2 | L3
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3031 # len(read()) | L2 | L2-LM | L2-LM | L3 (?)
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3032 #
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3033 # LM: length of metadata, depending on rawtext
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3034 # (*): not ideal, see comment in filelog.size
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3035 # (?): could be "- len(meta)" if the resolved content has
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3036 # rename metadata
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3037 #
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3038 # Checks needed to be done:
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3039 # 1. length check: L1 == L2, in all cases.
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3040 # 2. hash check: depending on flag processor, we may need to
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3041 # use either "text" (external), or "rawtext" (in revlog).
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3042
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3043 try:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3044 skipflags = state.get(b'skipflags', 0)
39877
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3045 if skipflags:
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3046 skipflags &= self.flags(rev)
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3047
43962
7c3118b9a9db revlog: split the content verification of a node into a separate method
Matt Harbison <matt_harbison@yahoo.com>
parents: 43799
diff changeset
3048 _verify_revision(self, skipflags, state, node)
39877
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3049
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3050 l1 = self.rawsize(rev)
42784
5a8f2c8edff6 rawdata: update caller in revlog
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 42749
diff changeset
3051 l2 = len(self.rawdata(node))
39877
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3052
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3053 if l1 != l2:
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3054 yield revlogproblem(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3055 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
3056 node=node,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3057 )
39877
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3058
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3059 except error.CensoredNodeError:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3060 if state[b'erroroncensored']:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3061 yield revlogproblem(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3062 error=_(b'censored file data'), node=node
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3063 )
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3064 state[b'skipread'].add(node)
39877
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3065 except Exception as e:
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3066 yield revlogproblem(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3067 error=_(b'unpacking %s: %s')
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3068 % (short(node), stringutil.forcebytestr(e)),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3069 node=node,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3070 )
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3071 state[b'skipread'].add(node)
39877
733db72f0f54 revlog: move revision verification out of verify
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39874
diff changeset
3072
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3073 def storageinfo(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3074 self,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3075 exclusivefiles=False,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3076 sharedfiles=False,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3077 revisionscount=False,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3078 trackedsize=False,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3079 storedsize=False,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3080 ):
39874
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39871
diff changeset
3081 d = {}
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39871
diff changeset
3082
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39871
diff changeset
3083 if exclusivefiles:
47162
a07d5cb03a85 revlog: rename `indexfile` to `_indexfile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47159
diff changeset
3084 d[b'exclusivefiles'] = [(self.opener, self._indexfile)]
39874
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39871
diff changeset
3085 if not self._inline:
47163
396442cd7e6a revlog: rename `datafile` to `datafile`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47162
diff changeset
3086 d[b'exclusivefiles'].append((self.opener, self._datafile))
39874
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39871
diff changeset
3087
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39871
diff changeset
3088 if sharedfiles:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3089 d[b'sharedfiles'] = []
39874
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39871
diff changeset
3090
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39871
diff changeset
3091 if revisionscount:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3092 d[b'revisionscount'] = len(self)
39874
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39871
diff changeset
3093
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39871
diff changeset
3094 if trackedsize:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3095 d[b'trackedsize'] = sum(map(self.rawsize, iter(self)))
39874
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39871
diff changeset
3096
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39871
diff changeset
3097 if storedsize:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
3098 d[b'storedsize'] = sum(
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 43039
diff changeset
3099 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
3100 )
39874
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39871
diff changeset
3101
14e500b58263 revlog: add method for obtaining storage info (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39871
diff changeset
3102 return d
46731
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3103
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3104 def rewrite_sidedata(self, helpers, startrev, endrev):
47150
84b176ad2860 revlog: replace REVLOGV2 check related to sidedata with `hassidedata` checks
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47148
diff changeset
3105 if not self.hassidedata:
46731
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3106 return
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3107 # 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: 46729
diff changeset
3108 # 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: 46729
diff changeset
3109 # See issue6485.
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3110 assert not self._inline
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3111 if not helpers[1] and not helpers[2]:
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3112 # Nothing to generate or remove
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3113 return
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3114
47148
1b33e38d4b6d revlog: highlight current incompatibility in `rewrite_sidedata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47147
diff changeset
3115 # changelog implement some "delayed" writing mechanism that assume that
1b33e38d4b6d revlog: highlight current incompatibility in `rewrite_sidedata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47147
diff changeset
3116 # all index data is writen in append mode and is therefor incompatible
1b33e38d4b6d revlog: highlight current incompatibility in `rewrite_sidedata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47147
diff changeset
3117 # with the seeked write done in this method. The use of such "delayed"
1b33e38d4b6d revlog: highlight current incompatibility in `rewrite_sidedata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47147
diff changeset
3118 # writing will soon be removed for revlog version that support side
1b33e38d4b6d revlog: highlight current incompatibility in `rewrite_sidedata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47147
diff changeset
3119 # data, so for now, we only keep this simple assert to highlight the
1b33e38d4b6d revlog: highlight current incompatibility in `rewrite_sidedata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47147
diff changeset
3120 # situation.
1b33e38d4b6d revlog: highlight current incompatibility in `rewrite_sidedata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47147
diff changeset
3121 delayed = getattr(self, '_delayed', False)
1b33e38d4b6d revlog: highlight current incompatibility in `rewrite_sidedata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47147
diff changeset
3122 diverted = getattr(self, '_divert', False)
1b33e38d4b6d revlog: highlight current incompatibility in `rewrite_sidedata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47147
diff changeset
3123 if delayed and not diverted:
1b33e38d4b6d revlog: highlight current incompatibility in `rewrite_sidedata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47147
diff changeset
3124 msg = "cannot rewrite_sidedata of a delayed revlog"
1b33e38d4b6d revlog: highlight current incompatibility in `rewrite_sidedata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47147
diff changeset
3125 raise error.ProgrammingError(msg)
1b33e38d4b6d revlog: highlight current incompatibility in `rewrite_sidedata`
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47147
diff changeset
3126
46731
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3127 new_entries = []
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3128 # append the new sidedata
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3129 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: 46729
diff changeset
3130 # 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: 46729
diff changeset
3131 fp.seek(0, os.SEEK_END)
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3132 current_offset = fp.tell()
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3133 for rev in range(startrev, endrev + 1):
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3134 entry = self.index[rev]
47099
3aab2330b7d3 sidedata: move sidedata-related utils to the dedicated module
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47098
diff changeset
3135 new_sidedata, flags = sidedatautil.run_sidedata_helpers(
46731
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3136 store=self,
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3137 sidedata_helpers=helpers,
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3138 sidedata={},
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3139 rev=rev,
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3140 )
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3141
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3142 serialized_sidedata = sidedatautil.serialize_sidedata(
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3143 new_sidedata
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3144 )
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3145 if entry[8] != 0 or entry[9] != 0:
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3146 # rewriting entries that already have sidedata is not
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3147 # supported yet, because it introduces garbage data in the
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3148 # revlog.
46807
9ff4672c8c26 revlog: convert an Abort message to bytes
Matt Harbison <matt_harbison@yahoo.com>
parents: 46793
diff changeset
3149 msg = b"Rewriting existing sidedata is not supported yet"
46731
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3150 raise error.Abort(msg)
47095
223b47235d1c sidedata: enable sidedata computers to optionally rewrite flags
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47094
diff changeset
3151
223b47235d1c sidedata: enable sidedata computers to optionally rewrite flags
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47094
diff changeset
3152 # Apply (potential) flags to add and to remove after running
223b47235d1c sidedata: enable sidedata computers to optionally rewrite flags
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47094
diff changeset
3153 # the sidedata helpers
223b47235d1c sidedata: enable sidedata computers to optionally rewrite flags
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47094
diff changeset
3154 new_offset_flags = entry[0] | flags[0] & ~flags[1]
223b47235d1c sidedata: enable sidedata computers to optionally rewrite flags
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47094
diff changeset
3155 entry = (new_offset_flags,) + entry[1:8]
46731
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3156 entry += (current_offset, len(serialized_sidedata))
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3157
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3158 fp.write(serialized_sidedata)
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3159 new_entries.append(entry)
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3160 current_offset += len(serialized_sidedata)
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3161
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3162 # rewrite the new index entries
47147
5e5fad5166e6 revlog: adjust rewrite_sidedata code to not delete existing revlog content
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47100
diff changeset
3163 with self._indexfp(b'r+') 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
3164 fp.seek(startrev * self.index.entry_size)
47095
223b47235d1c sidedata: enable sidedata computers to optionally rewrite flags
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47094
diff changeset
3165 for i, e in enumerate(new_entries):
46731
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3166 rev = startrev + i
47095
223b47235d1c sidedata: enable sidedata computers to optionally rewrite flags
Rapha?l Gom?s <rgomes@octobus.net>
parents: 47094
diff changeset
3167 self.index.replace_sidedata_info(rev, e[8], e[9], e[0])
47078
d57386e5c80e revlog: have an explicit "pack_header" method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47077
diff changeset
3168 packed = self.index.entry_binary(rev)
d57386e5c80e revlog: have an explicit "pack_header" method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47077
diff changeset
3169 if rev == 0:
47153
f58a13c52726 revlog: split the `version` attribute into its two components
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47150
diff changeset
3170 header = self._format_flags | self._format_version
f58a13c52726 revlog: split the `version` attribute into its two components
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47150
diff changeset
3171 header = self.index.pack_header(header)
47078
d57386e5c80e revlog: have an explicit "pack_header" method
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 47077
diff changeset
3172 packed = header + packed
46731
ba8e508a8e69 sidedata-exchange: rewrite sidedata on-the-fly whenever possible
Rapha?l Gom?s <rgomes@octobus.net>
parents: 46729
diff changeset
3173 fp.write(packed)