Mercurial > hg
annotate mercurial/store.py @ 45203:ae5c1a3bc339
commitctx: extract the function in a dedicated module
the function have few callers (< 15) is quite long a mostly independent from the
repository itself. It seems like a good candidate to reduce the bloatness of the
localrepository class. Extracting it will help us cleaning the code up and
splitting it into more reasonable-size function.
We don't use a copy trick because the amount of code extract is quite small
(<5%) and the de-indent means every single line change anyway. So this is not
deemed valuable to do so.
This is part of a larger refactoring/cleanup of the commitctx code to clarify
and augment the logic gathering metadata useful for copy tracing. The current
code is a tad too long and entangled to make such update easy.
Differential Revision: https://phab.mercurial-scm.org/D8709
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Mon, 06 Jul 2020 23:14:52 +0200 |
parents | 9d2b2df2c2ba |
children | 909dafff6a78 |
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1 # store.py - repository store handling for Mercurial |
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2 # |
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3 # Copyright 2008 Matt Mackall <mpm@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 |
10263 | 6 # GNU General Public License version 2 or any later version. |
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7 |
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8 from __future__ import absolute_import |
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9 |
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10 import errno |
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11 import functools |
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12 import os |
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13 import stat |
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14 |
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15 from .i18n import _ |
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16 from .pycompat import getattr |
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17 from . import ( |
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18 changelog, |
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19 error, |
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20 manifest, |
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21 node, |
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22 policy, |
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23 pycompat, |
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24 util, |
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25 vfs as vfsmod, |
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26 ) |
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27 from .utils import hashutil |
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28 |
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29 parsers = policy.importmod('parsers') |
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30 # how much bytes should be read from fncache in one read |
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31 # It is done to prevent loading large fncache files into memory |
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32 fncache_chunksize = 10 ** 6 |
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33 |
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34 |
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35 def _matchtrackedpath(path, matcher): |
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36 """parses a fncache entry and returns whether the entry is tracking a path |
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37 matched by matcher or not. |
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38 |
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39 If matcher is None, returns True""" |
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40 |
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41 if matcher is None: |
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42 return True |
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43 path = decodedir(path) |
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44 if path.startswith(b'data/'): |
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45 return matcher(path[len(b'data/') : -len(b'.i')]) |
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46 elif path.startswith(b'meta/'): |
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47 return matcher.visitdir(path[len(b'meta/') : -len(b'/00manifest.i')]) |
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48 |
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49 raise error.ProgrammingError(b"cannot decode path %s" % path) |
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50 |
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51 |
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52 # This avoids a collision between a file named foo and a dir named |
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53 # foo.i or foo.d |
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54 def _encodedir(path): |
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55 ''' |
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56 >>> _encodedir(b'data/foo.i') |
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57 'data/foo.i' |
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58 >>> _encodedir(b'data/foo.i/bla.i') |
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59 'data/foo.i.hg/bla.i' |
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60 >>> _encodedir(b'data/foo.i.hg/bla.i') |
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61 'data/foo.i.hg.hg/bla.i' |
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62 >>> _encodedir(b'data/foo.i\\ndata/foo.i/bla.i\\ndata/foo.i.hg/bla.i\\n') |
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63 'data/foo.i\\ndata/foo.i.hg/bla.i\\ndata/foo.i.hg.hg/bla.i\\n' |
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64 ''' |
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65 return ( |
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66 path.replace(b".hg/", b".hg.hg/") |
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67 .replace(b".i/", b".i.hg/") |
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68 .replace(b".d/", b".d.hg/") |
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69 ) |
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70 |
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71 |
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72 encodedir = getattr(parsers, 'encodedir', _encodedir) |
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73 |
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74 |
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75 def decodedir(path): |
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76 ''' |
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77 >>> decodedir(b'data/foo.i') |
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78 'data/foo.i' |
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79 >>> decodedir(b'data/foo.i.hg/bla.i') |
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80 'data/foo.i/bla.i' |
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81 >>> decodedir(b'data/foo.i.hg.hg/bla.i') |
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82 'data/foo.i.hg/bla.i' |
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83 ''' |
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84 if b".hg/" not in path: |
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85 return path |
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86 return ( |
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87 path.replace(b".d.hg/", b".d/") |
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88 .replace(b".i.hg/", b".i/") |
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89 .replace(b".hg.hg/", b".hg/") |
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90 ) |
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91 |
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92 |
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93 def _reserved(): |
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94 ''' characters that are problematic for filesystems |
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95 |
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96 * ascii escapes (0..31) |
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97 * ascii hi (126..255) |
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98 * windows specials |
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99 |
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100 these characters will be escaped by encodefunctions |
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101 ''' |
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102 winreserved = [ord(x) for x in u'\\:*?"<>|'] |
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103 for x in range(32): |
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104 yield x |
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105 for x in range(126, 256): |
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106 yield x |
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107 for x in winreserved: |
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108 yield x |
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109 |
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111 def _buildencodefun(): |
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112 ''' |
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113 >>> enc, dec = _buildencodefun() |
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114 |
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115 >>> enc(b'nothing/special.txt') |
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116 'nothing/special.txt' |
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117 >>> dec(b'nothing/special.txt') |
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118 'nothing/special.txt' |
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119 |
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120 >>> enc(b'HELLO') |
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121 '_h_e_l_l_o' |
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122 >>> dec(b'_h_e_l_l_o') |
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123 'HELLO' |
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124 |
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125 >>> enc(b'hello:world?') |
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126 'hello~3aworld~3f' |
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127 >>> dec(b'hello~3aworld~3f') |
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128 'hello:world?' |
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129 |
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130 >>> enc(b'the\\x07quick\\xADshot') |
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131 'the~07quick~adshot' |
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132 >>> dec(b'the~07quick~adshot') |
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133 'the\\x07quick\\xadshot' |
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134 ''' |
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135 e = b'_' |
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136 xchr = pycompat.bytechr |
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137 asciistr = list(map(xchr, range(127))) |
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138 capitals = list(range(ord(b"A"), ord(b"Z") + 1)) |
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139 |
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140 cmap = {x: x for x in asciistr} |
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141 for x in _reserved(): |
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142 cmap[xchr(x)] = b"~%02x" % x |
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143 for x in capitals + [ord(e)]: |
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144 cmap[xchr(x)] = e + xchr(x).lower() |
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145 |
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146 dmap = {} |
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147 for k, v in pycompat.iteritems(cmap): |
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148 dmap[v] = k |
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149 |
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150 def decode(s): |
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151 i = 0 |
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152 while i < len(s): |
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153 for l in pycompat.xrange(1, 4): |
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154 try: |
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155 yield dmap[s[i : i + l]] |
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156 i += l |
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157 break |
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158 except KeyError: |
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159 pass |
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160 else: |
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161 raise KeyError |
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162 |
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163 return ( |
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164 lambda s: b''.join( |
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165 [cmap[s[c : c + 1]] for c in pycompat.xrange(len(s))] |
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166 ), |
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167 lambda s: b''.join(list(decode(s))), |
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168 ) |
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169 |
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170 |
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171 _encodefname, _decodefname = _buildencodefun() |
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172 |
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173 |
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174 def encodefilename(s): |
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175 ''' |
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176 >>> encodefilename(b'foo.i/bar.d/bla.hg/hi:world?/HELLO') |
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177 'foo.i.hg/bar.d.hg/bla.hg.hg/hi~3aworld~3f/_h_e_l_l_o' |
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178 ''' |
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179 return _encodefname(encodedir(s)) |
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180 |
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181 |
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182 def decodefilename(s): |
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183 ''' |
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184 >>> decodefilename(b'foo.i.hg/bar.d.hg/bla.hg.hg/hi~3aworld~3f/_h_e_l_l_o') |
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185 'foo.i/bar.d/bla.hg/hi:world?/HELLO' |
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186 ''' |
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187 return decodedir(_decodefname(s)) |
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188 |
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189 |
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190 def _buildlowerencodefun(): |
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191 ''' |
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192 >>> f = _buildlowerencodefun() |
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193 >>> f(b'nothing/special.txt') |
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194 'nothing/special.txt' |
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195 >>> f(b'HELLO') |
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196 'hello' |
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197 >>> f(b'hello:world?') |
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198 'hello~3aworld~3f' |
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199 >>> f(b'the\\x07quick\\xADshot') |
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200 'the~07quick~adshot' |
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201 ''' |
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202 xchr = pycompat.bytechr |
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203 cmap = {xchr(x): xchr(x) for x in pycompat.xrange(127)} |
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204 for x in _reserved(): |
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205 cmap[xchr(x)] = b"~%02x" % x |
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206 for x in range(ord(b"A"), ord(b"Z") + 1): |
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207 cmap[xchr(x)] = xchr(x).lower() |
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208 |
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209 def lowerencode(s): |
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210 return b"".join([cmap[c] for c in pycompat.iterbytestr(s)]) |
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211 |
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212 return lowerencode |
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213 |
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214 |
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215 lowerencode = getattr(parsers, 'lowerencode', None) or _buildlowerencodefun() |
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216 |
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217 # Windows reserved names: con, prn, aux, nul, com1..com9, lpt1..lpt9 |
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218 _winres3 = (b'aux', b'con', b'prn', b'nul') # length 3 |
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219 _winres4 = (b'com', b'lpt') # length 4 (with trailing 1..9) |
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220 |
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221 |
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222 def _auxencode(path, dotencode): |
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223 ''' |
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224 Encodes filenames containing names reserved by Windows or which end in |
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225 period or space. Does not touch other single reserved characters c. |
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226 Specifically, c in '\\:*?"<>|' or ord(c) <= 31 are *not* encoded here. |
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227 Additionally encodes space or period at the beginning, if dotencode is |
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228 True. Parameter path is assumed to be all lowercase. |
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229 A segment only needs encoding if a reserved name appears as a |
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230 basename (e.g. "aux", "aux.foo"). A directory or file named "foo.aux" |
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231 doesn't need encoding. |
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232 |
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233 >>> s = b'.foo/aux.txt/txt.aux/con/prn/nul/foo.' |
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234 >>> _auxencode(s.split(b'/'), True) |
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235 ['~2efoo', 'au~78.txt', 'txt.aux', 'co~6e', 'pr~6e', 'nu~6c', 'foo~2e'] |
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236 >>> s = b'.com1com2/lpt9.lpt4.lpt1/conprn/com0/lpt0/foo.' |
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237 >>> _auxencode(s.split(b'/'), False) |
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238 ['.com1com2', 'lp~749.lpt4.lpt1', 'conprn', 'com0', 'lpt0', 'foo~2e'] |
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239 >>> _auxencode([b'foo. '], True) |
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240 ['foo.~20'] |
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241 >>> _auxencode([b' .foo'], True) |
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242 ['~20.foo'] |
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243 ''' |
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244 for i, n in enumerate(path): |
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245 if not n: |
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246 continue |
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247 if dotencode and n[0] in b'. ': |
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248 n = b"~%02x" % ord(n[0:1]) + n[1:] |
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249 path[i] = n |
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250 else: |
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251 l = n.find(b'.') |
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252 if l == -1: |
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253 l = len(n) |
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254 if (l == 3 and n[:3] in _winres3) or ( |
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255 l == 4 |
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256 and n[3:4] <= b'9' |
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257 and n[3:4] >= b'1' |
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258 and n[:3] in _winres4 |
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259 ): |
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260 # encode third letter ('aux' -> 'au~78') |
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261 ec = b"~%02x" % ord(n[2:3]) |
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262 n = n[0:2] + ec + n[3:] |
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263 path[i] = n |
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264 if n[-1] in b'. ': |
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265 # encode last period or space ('foo...' -> 'foo..~2e') |
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266 path[i] = n[:-1] + b"~%02x" % ord(n[-1:]) |
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267 return path |
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268 |
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269 |
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270 _maxstorepathlen = 120 |
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271 _dirprefixlen = 8 |
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272 _maxshortdirslen = 8 * (_dirprefixlen + 1) - 4 |
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273 |
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274 |
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275 def _hashencode(path, dotencode): |
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276 digest = node.hex(hashutil.sha1(path).digest()) |
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277 le = lowerencode(path[5:]).split(b'/') # skips prefix 'data/' or 'meta/' |
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278 parts = _auxencode(le, dotencode) |
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279 basename = parts[-1] |
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280 _root, ext = os.path.splitext(basename) |
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281 sdirs = [] |
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282 sdirslen = 0 |
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283 for p in parts[:-1]: |
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284 d = p[:_dirprefixlen] |
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285 if d[-1] in b'. ': |
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286 # Windows can't access dirs ending in period or space |
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287 d = d[:-1] + b'_' |
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288 if sdirslen == 0: |
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289 t = len(d) |
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290 else: |
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291 t = sdirslen + 1 + len(d) |
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292 if t > _maxshortdirslen: |
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293 break |
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294 sdirs.append(d) |
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295 sdirslen = t |
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296 dirs = b'/'.join(sdirs) |
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297 if len(dirs) > 0: |
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298 dirs += b'/' |
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299 res = b'dh/' + dirs + digest + ext |
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300 spaceleft = _maxstorepathlen - len(res) |
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301 if spaceleft > 0: |
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302 filler = basename[:spaceleft] |
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303 res = b'dh/' + dirs + filler + digest + ext |
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304 return res |
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305 |
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306 |
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307 def _hybridencode(path, dotencode): |
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308 '''encodes path with a length limit |
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309 |
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310 Encodes all paths that begin with 'data/', according to the following. |
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311 |
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312 Default encoding (reversible): |
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313 |
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314 Encodes all uppercase letters 'X' as '_x'. All reserved or illegal |
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315 characters are encoded as '~xx', where xx is the two digit hex code |
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316 of the character (see encodefilename). |
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317 Relevant path components consisting of Windows reserved filenames are |
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318 masked by encoding the third character ('aux' -> 'au~78', see _auxencode). |
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319 |
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320 Hashed encoding (not reversible): |
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321 |
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322 If the default-encoded path is longer than _maxstorepathlen, a |
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323 non-reversible hybrid hashing of the path is done instead. |
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324 This encoding uses up to _dirprefixlen characters of all directory |
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325 levels of the lowerencoded path, but not more levels than can fit into |
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326 _maxshortdirslen. |
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327 Then follows the filler followed by the sha digest of the full path. |
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328 The filler is the beginning of the basename of the lowerencoded path |
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329 (the basename is everything after the last path separator). The filler |
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330 is as long as possible, filling in characters from the basename until |
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331 the encoded path has _maxstorepathlen characters (or all chars of the |
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332 basename have been taken). |
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333 The extension (e.g. '.i' or '.d') is preserved. |
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334 |
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335 The string 'data/' at the beginning is replaced with 'dh/', if the hashed |
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336 encoding was used. |
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337 ''' |
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338 path = encodedir(path) |
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339 ef = _encodefname(path).split(b'/') |
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340 res = b'/'.join(_auxencode(ef, dotencode)) |
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341 if len(res) > _maxstorepathlen: |
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342 res = _hashencode(path, dotencode) |
7229
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343 return res |
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344 |
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345 |
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346 def _pathencode(path): |
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347 de = encodedir(path) |
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348 if len(path) > _maxstorepathlen: |
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349 return _hashencode(de, True) |
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350 ef = _encodefname(de).split(b'/') |
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351 res = b'/'.join(_auxencode(ef, True)) |
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352 if len(res) > _maxstorepathlen: |
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353 return _hashencode(de, True) |
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354 return res |
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355 |
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356 |
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357 _pathencode = getattr(parsers, 'pathencode', _pathencode) |
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358 |
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359 |
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360 def _plainhybridencode(f): |
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361 return _hybridencode(f, False) |
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362 |
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363 |
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364 def _calcmode(vfs): |
6898
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365 try: |
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366 # files in .hg/ will be created using this mode |
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367 mode = vfs.stat().st_mode |
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368 # avoid some useless chmods |
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369 if (0o777 & ~util.umask) == (0o777 & mode): |
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370 mode = None |
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371 except OSError: |
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372 mode = None |
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373 return mode |
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374 |
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375 |
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376 _data = ( |
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377 b'bookmarks narrowspec data meta 00manifest.d 00manifest.i' |
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378 b' 00changelog.d 00changelog.i phaseroots obsstore' |
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379 ) |
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380 |
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381 |
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382 def isrevlog(f, kind, st): |
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383 return kind == stat.S_IFREG and f[-2:] in (b'.i', b'.d') |
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384 |
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385 |
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386 class basicstore(object): |
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387 '''base class for local repository stores''' |
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388 |
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389 def __init__(self, path, vfstype): |
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390 vfs = vfstype(path) |
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391 self.path = vfs.base |
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392 self.createmode = _calcmode(vfs) |
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|
393 vfs.createmode = self.createmode |
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|
394 self.rawvfs = vfs |
31234
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|
395 self.vfs = vfsmod.filtervfs(vfs, encodedir) |
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dacb50696b75
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|
396 self.opener = self.vfs |
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|
397 |
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398 def join(self, f): |
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399 return self.path + b'/' + encodedir(f) |
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400 |
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401 def _walk(self, relpath, recurse, filefilter=isrevlog): |
6900
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402 '''yields (unencoded, encoded, size)''' |
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|
403 path = self.path |
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|
404 if relpath: |
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405 path += b'/' + relpath |
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|
406 striplen = len(self.path) + 1 |
6899 | 407 l = [] |
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|
408 if self.rawvfs.isdir(path): |
6899 | 409 visit = [path] |
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|
410 readdir = self.rawvfs.readdir |
6899 | 411 while visit: |
412 p = visit.pop() | |
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|
413 for f, kind, st in readdir(p, stat=True): |
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|
414 fp = p + b'/' + f |
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|
415 if filefilter(f, kind, st): |
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|
416 n = util.pconvert(fp[striplen:]) |
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|
417 l.append((decodedir(n), n, st.st_size)) |
6899 | 418 elif kind == stat.S_IFDIR and recurse: |
419 visit.append(fp) | |
17054
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diff
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|
420 l.sort() |
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|
421 return l |
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|
422 |
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|
423 def changelog(self, trypending): |
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424 return changelog.changelog(self.vfs, trypending=trypending) |
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|
425 |
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|
426 def manifestlog(self, repo, storenarrowmatch): |
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|
427 rootstore = manifest.manifestrevlog(self.vfs) |
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|
428 return manifest.manifestlog(self.vfs, repo, rootstore, storenarrowmatch) |
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|
429 |
40340
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store: pass matcher to store.datafiles()
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|
430 def datafiles(self, matcher=None): |
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431 return self._walk(b'data', True) + self._walk(b'meta', True) |
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|
432 |
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433 def topfiles(self): |
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434 # yield manifest before changelog |
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435 return reversed(self._walk(b'', False)) |
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|
436 |
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|
437 def walk(self, matcher=None): |
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|
438 '''yields (unencoded, encoded, size) |
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|
439 |
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|
440 if a matcher is passed, storage files of only those tracked paths |
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|
441 are passed with matches the matcher |
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442 ''' |
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443 # yield data files first |
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444 for x in self.datafiles(matcher): |
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445 yield x |
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446 for x in self.topfiles(): |
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447 yield x |
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|
448 |
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|
449 def copylist(self): |
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450 return [b'requires'] + _data.split() |
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|
451 |
20883
cd443c7589cc
fncache: move fncache writing to be in a transaction
Durham Goode <durham@fb.com>
parents:
20879
diff
changeset
|
452 def write(self, tr): |
13391
d00bbff8600e
fncachestore: defer updating the fncache file to a single file open
Adrian Buehlmann <adrian@cadifra.com>
parents:
13169
diff
changeset
|
453 pass |
d00bbff8600e
fncachestore: defer updating the fncache file to a single file open
Adrian Buehlmann <adrian@cadifra.com>
parents:
13169
diff
changeset
|
454 |
20884
2efdd186925d
caches: invalidate store caches when lock is taken
Durham Goode <durham@fb.com>
parents:
20883
diff
changeset
|
455 def invalidatecaches(self): |
2efdd186925d
caches: invalidate store caches when lock is taken
Durham Goode <durham@fb.com>
parents:
20883
diff
changeset
|
456 pass |
2efdd186925d
caches: invalidate store caches when lock is taken
Durham Goode <durham@fb.com>
parents:
20883
diff
changeset
|
457 |
20885
f49d60fa40a5
fncache: clean up fncache during strips
Durham Goode <durham@fb.com>
parents:
20884
diff
changeset
|
458 def markremoved(self, fn): |
f49d60fa40a5
fncache: clean up fncache during strips
Durham Goode <durham@fb.com>
parents:
20884
diff
changeset
|
459 pass |
f49d60fa40a5
fncache: clean up fncache during strips
Durham Goode <durham@fb.com>
parents:
20884
diff
changeset
|
460 |
17744 | 461 def __contains__(self, path): |
462 '''Checks if the store contains path''' | |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
463 path = b"/".join((b"data", path)) |
17744 | 464 # file? |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
465 if self.vfs.exists(path + b".i"): |
17744 | 466 return True |
467 # dir? | |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
468 if not path.endswith(b"/"): |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
469 path = path + b"/" |
19903
ca875b271ac3
store: use "vfs.exists()" instead of "os.path.exists()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
19177
diff
changeset
|
470 return self.vfs.exists(path) |
17744 | 471 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42905
diff
changeset
|
472 |
6898
69aeaaaf6e07
store: simplify class hierarchy
Matt Mackall <mpm@selenic.com>
parents:
6897
diff
changeset
|
473 class encodedstore(basicstore): |
17651
3b49c28658f6
store: rename "openertype" argument to "vfstype"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17649
diff
changeset
|
474 def __init__(self, path, vfstype): |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
475 vfs = vfstype(path + b'/store') |
17724
bf4b72d8dd4d
store: initialize vfs field first to use it for initialization of others
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17722
diff
changeset
|
476 self.path = vfs.base |
17726
7cb7e17c23b2
store: invoke "os.stat()" for "createmode" initialization via vfs
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17725
diff
changeset
|
477 self.createmode = _calcmode(vfs) |
17652
2c6f7231becc
store: rename "op" variables to "vfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17651
diff
changeset
|
478 vfs.createmode = self.createmode |
17728
004bd533880d
store: invoke "os.path.isdir()" via vfs
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17727
diff
changeset
|
479 self.rawvfs = vfs |
31234
9b7a2ef4f27c
vfs: use 'vfs' module directly in 'mercurial.store'
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31219
diff
changeset
|
480 self.vfs = vfsmod.filtervfs(vfs, encodefilename) |
17653
dacb50696b75
store: initialize "vfs" fields by "vfs" constructors
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17652
diff
changeset
|
481 self.opener = self.vfs |
6840
80e51429cb9a
introduce store classes
Adrian Buehlmann <adrian@cadifra.com>
parents:
6839
diff
changeset
|
482 |
40340
2d45b549392f
store: pass matcher to store.datafiles()
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
39698
diff
changeset
|
483 def datafiles(self, matcher=None): |
28007
fb92927f9775
treemanifests: fix streaming clone
Martin von Zweigbergk <martinvonz@google.com>
parents:
28006
diff
changeset
|
484 for a, b, size in super(encodedstore, self).datafiles(): |
6892
dab95717058d
verify: check repo.store
Adrian Buehlmann <adrian@cadifra.com>
parents:
6890
diff
changeset
|
485 try: |
6900
def492d1b592
store: change handling of decoding errors
Matt Mackall <mpm@selenic.com>
parents:
6899
diff
changeset
|
486 a = decodefilename(a) |
6892
dab95717058d
verify: check repo.store
Adrian Buehlmann <adrian@cadifra.com>
parents:
6890
diff
changeset
|
487 except KeyError: |
6900
def492d1b592
store: change handling of decoding errors
Matt Mackall <mpm@selenic.com>
parents:
6899
diff
changeset
|
488 a = None |
40584
a694a7159125
store: pass in decoded filename to narrow matcher
Yuya Nishihara <yuya@tcha.org>
parents:
40494
diff
changeset
|
489 if a is not None and not _matchtrackedpath(a, matcher): |
a694a7159125
store: pass in decoded filename to narrow matcher
Yuya Nishihara <yuya@tcha.org>
parents:
40494
diff
changeset
|
490 continue |
6900
def492d1b592
store: change handling of decoding errors
Matt Mackall <mpm@selenic.com>
parents:
6899
diff
changeset
|
491 yield a, b, size |
6840
80e51429cb9a
introduce store classes
Adrian Buehlmann <adrian@cadifra.com>
parents:
6839
diff
changeset
|
492 |
80e51429cb9a
introduce store classes
Adrian Buehlmann <adrian@cadifra.com>
parents:
6839
diff
changeset
|
493 def join(self, f): |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
494 return self.path + b'/' + encodefilename(f) |
6840
80e51429cb9a
introduce store classes
Adrian Buehlmann <adrian@cadifra.com>
parents:
6839
diff
changeset
|
495 |
6903
0642d9d7ec80
clone: get a list of files to clone from store
Matt Mackall <mpm@selenic.com>
parents:
6902
diff
changeset
|
496 def copylist(self): |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
497 return [b'requires', b'00changelog.i'] + [ |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
498 b'store/' + f for f in _data.split() |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42905
diff
changeset
|
499 ] |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42905
diff
changeset
|
500 |
6903
0642d9d7ec80
clone: get a list of files to clone from store
Matt Mackall <mpm@selenic.com>
parents:
6902
diff
changeset
|
501 |
8530
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
502 class fncache(object): |
8531
810387f59696
filelog encoding: move the encoding/decoding into store
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8530
diff
changeset
|
503 # the filename used to be partially encoded |
810387f59696
filelog encoding: move the encoding/decoding into store
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8530
diff
changeset
|
504 # hence the encodedir/decodedir dance |
17722
3b976051034d
store: rename field name from "opener" to "vfs" in internal classes for fncache
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17721
diff
changeset
|
505 def __init__(self, vfs): |
3b976051034d
store: rename field name from "opener" to "vfs" in internal classes for fncache
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17721
diff
changeset
|
506 self.vfs = vfs |
7229
7946503ec76e
introduce fncache repository layout
Adrian Buehlmann <adrian@cadifra.com>
parents:
6989
diff
changeset
|
507 self.entries = None |
13391
d00bbff8600e
fncachestore: defer updating the fncache file to a single file open
Adrian Buehlmann <adrian@cadifra.com>
parents:
13169
diff
changeset
|
508 self._dirty = False |
40736
0728d87a8631
store: append to fncache if there are only new files to write
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
40624
diff
changeset
|
509 # set of new additions to fncache |
0728d87a8631
store: append to fncache if there are only new files to write
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
40624
diff
changeset
|
510 self.addls = set() |
7229
7946503ec76e
introduce fncache repository layout
Adrian Buehlmann <adrian@cadifra.com>
parents:
6989
diff
changeset
|
511 |
42715
f59f8a5e9096
fncache: make debugrebuildfncache not fail on broken fncache
Valentin Gatien-Baron <vgatien-baron@janestreet.com>
parents:
42341
diff
changeset
|
512 def ensureloaded(self, warn=None): |
f59f8a5e9096
fncache: make debugrebuildfncache not fail on broken fncache
Valentin Gatien-Baron <vgatien-baron@janestreet.com>
parents:
42341
diff
changeset
|
513 '''read the fncache file if not already read. |
f59f8a5e9096
fncache: make debugrebuildfncache not fail on broken fncache
Valentin Gatien-Baron <vgatien-baron@janestreet.com>
parents:
42341
diff
changeset
|
514 |
f59f8a5e9096
fncache: make debugrebuildfncache not fail on broken fncache
Valentin Gatien-Baron <vgatien-baron@janestreet.com>
parents:
42341
diff
changeset
|
515 If the file on disk is corrupted, raise. If warn is provided, |
f59f8a5e9096
fncache: make debugrebuildfncache not fail on broken fncache
Valentin Gatien-Baron <vgatien-baron@janestreet.com>
parents:
42341
diff
changeset
|
516 warn and keep going instead.''' |
f59f8a5e9096
fncache: make debugrebuildfncache not fail on broken fncache
Valentin Gatien-Baron <vgatien-baron@janestreet.com>
parents:
42341
diff
changeset
|
517 if self.entries is None: |
f59f8a5e9096
fncache: make debugrebuildfncache not fail on broken fncache
Valentin Gatien-Baron <vgatien-baron@janestreet.com>
parents:
42341
diff
changeset
|
518 self._load(warn) |
f59f8a5e9096
fncache: make debugrebuildfncache not fail on broken fncache
Valentin Gatien-Baron <vgatien-baron@janestreet.com>
parents:
42341
diff
changeset
|
519 |
f59f8a5e9096
fncache: make debugrebuildfncache not fail on broken fncache
Valentin Gatien-Baron <vgatien-baron@janestreet.com>
parents:
42341
diff
changeset
|
520 def _load(self, warn=None): |
8530
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
521 '''fill the entries from the fncache file''' |
13391
d00bbff8600e
fncachestore: defer updating the fncache file to a single file open
Adrian Buehlmann <adrian@cadifra.com>
parents:
13169
diff
changeset
|
522 self._dirty = False |
8530
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
523 try: |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
524 fp = self.vfs(b'fncache', mode=b'rb') |
8530
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
525 except IOError: |
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
526 # skip nonexistent file |
16404
9fca5b056c0a
store: speed up read and write of large fncache files
Bryan O'Sullivan <bryano@fb.com>
parents:
15742
diff
changeset
|
527 self.entries = set() |
8530
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
528 return |
41978
a56487081109
store: don't read the whole fncache in memory
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
41973
diff
changeset
|
529 |
a56487081109
store: don't read the whole fncache in memory
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
41973
diff
changeset
|
530 self.entries = set() |
a56487081109
store: don't read the whole fncache in memory
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
41973
diff
changeset
|
531 chunk = b'' |
a56487081109
store: don't read the whole fncache in memory
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
41973
diff
changeset
|
532 for c in iter(functools.partial(fp.read, fncache_chunksize), b''): |
a56487081109
store: don't read the whole fncache in memory
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
41973
diff
changeset
|
533 chunk += c |
a56487081109
store: don't read the whole fncache in memory
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
41973
diff
changeset
|
534 try: |
a56487081109
store: don't read the whole fncache in memory
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
41973
diff
changeset
|
535 p = chunk.rindex(b'\n') |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42905
diff
changeset
|
536 self.entries.update(decodedir(chunk[: p + 1]).splitlines()) |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42905
diff
changeset
|
537 chunk = chunk[p + 1 :] |
41978
a56487081109
store: don't read the whole fncache in memory
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
41973
diff
changeset
|
538 except ValueError: |
a56487081109
store: don't read the whole fncache in memory
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
41973
diff
changeset
|
539 # substring '\n' not found, maybe the entry is bigger than the |
a56487081109
store: don't read the whole fncache in memory
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
41973
diff
changeset
|
540 # chunksize, so let's keep iterating |
a56487081109
store: don't read the whole fncache in memory
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
41973
diff
changeset
|
541 pass |
a56487081109
store: don't read the whole fncache in memory
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
41973
diff
changeset
|
542 |
41981
a920a9e1795a
store: error out if fncache does not ends with a newline
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
41978
diff
changeset
|
543 if chunk: |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
544 msg = _(b"fncache does not ends with a newline") |
42715
f59f8a5e9096
fncache: make debugrebuildfncache not fail on broken fncache
Valentin Gatien-Baron <vgatien-baron@janestreet.com>
parents:
42341
diff
changeset
|
545 if warn: |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
546 warn(msg + b'\n') |
42715
f59f8a5e9096
fncache: make debugrebuildfncache not fail on broken fncache
Valentin Gatien-Baron <vgatien-baron@janestreet.com>
parents:
42341
diff
changeset
|
547 else: |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42905
diff
changeset
|
548 raise error.Abort( |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42905
diff
changeset
|
549 msg, |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42905
diff
changeset
|
550 hint=_( |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
551 b"use 'hg debugrebuildfncache' to " |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
552 b"rebuild the fncache" |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42905
diff
changeset
|
553 ), |
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42905
diff
changeset
|
554 ) |
42715
f59f8a5e9096
fncache: make debugrebuildfncache not fail on broken fncache
Valentin Gatien-Baron <vgatien-baron@janestreet.com>
parents:
42341
diff
changeset
|
555 self._checkentries(fp, warn) |
41973
d7ef84e595f8
store: move logic to check for invalid entry in fncache to own function
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
41093
diff
changeset
|
556 fp.close() |
d7ef84e595f8
store: move logic to check for invalid entry in fncache to own function
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
41093
diff
changeset
|
557 |
42715
f59f8a5e9096
fncache: make debugrebuildfncache not fail on broken fncache
Valentin Gatien-Baron <vgatien-baron@janestreet.com>
parents:
42341
diff
changeset
|
558 def _checkentries(self, fp, warn): |
41973
d7ef84e595f8
store: move logic to check for invalid entry in fncache to own function
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
41093
diff
changeset
|
559 """ make sure there is no empty string in entries """ |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
560 if b'' in self.entries: |
16404
9fca5b056c0a
store: speed up read and write of large fncache files
Bryan O'Sullivan <bryano@fb.com>
parents:
15742
diff
changeset
|
561 fp.seek(0) |
30398 | 562 for n, line in enumerate(util.iterfile(fp)): |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
563 if not line.rstrip(b'\n'): |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
564 t = _(b'invalid entry in fncache, line %d') % (n + 1) |
42715
f59f8a5e9096
fncache: make debugrebuildfncache not fail on broken fncache
Valentin Gatien-Baron <vgatien-baron@janestreet.com>
parents:
42341
diff
changeset
|
565 if warn: |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
566 warn(t + b'\n') |
42715
f59f8a5e9096
fncache: make debugrebuildfncache not fail on broken fncache
Valentin Gatien-Baron <vgatien-baron@janestreet.com>
parents:
42341
diff
changeset
|
567 else: |
f59f8a5e9096
fncache: make debugrebuildfncache not fail on broken fncache
Valentin Gatien-Baron <vgatien-baron@janestreet.com>
parents:
42341
diff
changeset
|
568 raise error.Abort(t) |
7229
7946503ec76e
introduce fncache repository layout
Adrian Buehlmann <adrian@cadifra.com>
parents:
6989
diff
changeset
|
569 |
20883
cd443c7589cc
fncache: move fncache writing to be in a transaction
Durham Goode <durham@fb.com>
parents:
20879
diff
changeset
|
570 def write(self, tr): |
16404
9fca5b056c0a
store: speed up read and write of large fncache files
Bryan O'Sullivan <bryano@fb.com>
parents:
15742
diff
changeset
|
571 if self._dirty: |
38696
89d93dd1a222
store: assert the fncache have been loaded if dirty
Boris Feld <boris.feld@octobus.net>
parents:
38661
diff
changeset
|
572 assert self.entries is not None |
40748
df8ed31a8ad8
store: write fncache only once if there are both adds and removes
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
40736
diff
changeset
|
573 self.entries = self.entries | self.addls |
df8ed31a8ad8
store: write fncache only once if there are both adds and removes
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
40736
diff
changeset
|
574 self.addls = set() |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
575 tr.addbackup(b'fncache') |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
576 fp = self.vfs(b'fncache', mode=b'wb', atomictemp=True) |
20879
cd03854a2e06
fncache: remove the rewriting logic
Durham Goode <durham@fb.com>
parents:
19903
diff
changeset
|
577 if self.entries: |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
578 fp.write(encodedir(b'\n'.join(self.entries) + b'\n')) |
20879
cd03854a2e06
fncache: remove the rewriting logic
Durham Goode <durham@fb.com>
parents:
19903
diff
changeset
|
579 fp.close() |
cd03854a2e06
fncache: remove the rewriting logic
Durham Goode <durham@fb.com>
parents:
19903
diff
changeset
|
580 self._dirty = False |
40736
0728d87a8631
store: append to fncache if there are only new files to write
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
40624
diff
changeset
|
581 if self.addls: |
0728d87a8631
store: append to fncache if there are only new files to write
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
40624
diff
changeset
|
582 # if we have just new entries, let's append them to the fncache |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
583 tr.addbackup(b'fncache') |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
584 fp = self.vfs(b'fncache', mode=b'ab', atomictemp=True) |
40736
0728d87a8631
store: append to fncache if there are only new files to write
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
40624
diff
changeset
|
585 if self.addls: |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
586 fp.write(encodedir(b'\n'.join(self.addls) + b'\n')) |
40736
0728d87a8631
store: append to fncache if there are only new files to write
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
40624
diff
changeset
|
587 fp.close() |
0728d87a8631
store: append to fncache if there are only new files to write
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
40624
diff
changeset
|
588 self.entries = None |
0728d87a8631
store: append to fncache if there are only new files to write
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
40624
diff
changeset
|
589 self.addls = set() |
8530
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
590 |
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
591 def add(self, fn): |
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
592 if self.entries is None: |
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
593 self._load() |
10577
d5bd1beff794
store: only add new entries to the fncache file
Adrian Buehlmann <adrian@cadifra.com>
parents:
10339
diff
changeset
|
594 if fn not in self.entries: |
40736
0728d87a8631
store: append to fncache if there are only new files to write
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
40624
diff
changeset
|
595 self.addls.add(fn) |
8530
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
596 |
20885
f49d60fa40a5
fncache: clean up fncache during strips
Durham Goode <durham@fb.com>
parents:
20884
diff
changeset
|
597 def remove(self, fn): |
f49d60fa40a5
fncache: clean up fncache during strips
Durham Goode <durham@fb.com>
parents:
20884
diff
changeset
|
598 if self.entries is None: |
f49d60fa40a5
fncache: clean up fncache during strips
Durham Goode <durham@fb.com>
parents:
20884
diff
changeset
|
599 self._load() |
40736
0728d87a8631
store: append to fncache if there are only new files to write
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
40624
diff
changeset
|
600 if fn in self.addls: |
0728d87a8631
store: append to fncache if there are only new files to write
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
40624
diff
changeset
|
601 self.addls.remove(fn) |
0728d87a8631
store: append to fncache if there are only new files to write
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
40624
diff
changeset
|
602 return |
20885
f49d60fa40a5
fncache: clean up fncache during strips
Durham Goode <durham@fb.com>
parents:
20884
diff
changeset
|
603 try: |
f49d60fa40a5
fncache: clean up fncache during strips
Durham Goode <durham@fb.com>
parents:
20884
diff
changeset
|
604 self.entries.remove(fn) |
f49d60fa40a5
fncache: clean up fncache during strips
Durham Goode <durham@fb.com>
parents:
20884
diff
changeset
|
605 self._dirty = True |
f49d60fa40a5
fncache: clean up fncache during strips
Durham Goode <durham@fb.com>
parents:
20884
diff
changeset
|
606 except KeyError: |
f49d60fa40a5
fncache: clean up fncache during strips
Durham Goode <durham@fb.com>
parents:
20884
diff
changeset
|
607 pass |
f49d60fa40a5
fncache: clean up fncache during strips
Durham Goode <durham@fb.com>
parents:
20884
diff
changeset
|
608 |
17782
8095306c1fb2
store: move __contains__() implementation from class fncache into fncachestore
Adrian Buehlmann <adrian@cadifra.com>
parents:
17747
diff
changeset
|
609 def __contains__(self, fn): |
40736
0728d87a8631
store: append to fncache if there are only new files to write
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
40624
diff
changeset
|
610 if fn in self.addls: |
0728d87a8631
store: append to fncache if there are only new files to write
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
40624
diff
changeset
|
611 return True |
8530
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
612 if self.entries is None: |
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
613 self._load() |
17782
8095306c1fb2
store: move __contains__() implementation from class fncache into fncachestore
Adrian Buehlmann <adrian@cadifra.com>
parents:
17747
diff
changeset
|
614 return fn in self.entries |
8530
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
615 |
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
616 def __iter__(self): |
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
617 if self.entries is None: |
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
618 self._load() |
40736
0728d87a8631
store: append to fncache if there are only new files to write
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
40624
diff
changeset
|
619 return iter(self.entries | self.addls) |
7229
7946503ec76e
introduce fncache repository layout
Adrian Buehlmann <adrian@cadifra.com>
parents:
6989
diff
changeset
|
620 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42905
diff
changeset
|
621 |
41093
6498f0e03526
vfs: fix proxyvfs inheritance
Boris Feld <boris.feld@octobus.net>
parents:
40748
diff
changeset
|
622 class _fncachevfs(vfsmod.proxyvfs): |
17721
cf236e3501c3
store: rename argument name from "op"(ener) to "vfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17693
diff
changeset
|
623 def __init__(self, vfs, fnc, encode): |
33412
a42369e04aee
vfs: rename auditvfs to proxyvfs
Yuya Nishihara <yuya@tcha.org>
parents:
32372
diff
changeset
|
624 vfsmod.proxyvfs.__init__(self, vfs) |
14194
3a90fb3addc1
store: break up reference cycle introduced in 9cbff8a39a2a
Adrian Buehlmann <adrian@cadifra.com>
parents:
14166
diff
changeset
|
625 self.fncache = fnc |
3a90fb3addc1
store: break up reference cycle introduced in 9cbff8a39a2a
Adrian Buehlmann <adrian@cadifra.com>
parents:
14166
diff
changeset
|
626 self.encode = encode |
3a90fb3addc1
store: break up reference cycle introduced in 9cbff8a39a2a
Adrian Buehlmann <adrian@cadifra.com>
parents:
14166
diff
changeset
|
627 |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
628 def __call__(self, path, mode=b'r', *args, **kw): |
38661
8ac0c9cd4c48
fncache: avoid loading the filename cache when not actually modifying it
Martijn Pieters <mj@zopatista.com>
parents:
37409
diff
changeset
|
629 encoded = self.encode(path) |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
630 if mode not in (b'r', b'rb') and ( |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
631 path.startswith(b'data/') or path.startswith(b'meta/') |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42905
diff
changeset
|
632 ): |
38661
8ac0c9cd4c48
fncache: avoid loading the filename cache when not actually modifying it
Martijn Pieters <mj@zopatista.com>
parents:
37409
diff
changeset
|
633 # do not trigger a fncache load when adding a file that already is |
8ac0c9cd4c48
fncache: avoid loading the filename cache when not actually modifying it
Martijn Pieters <mj@zopatista.com>
parents:
37409
diff
changeset
|
634 # known to exist. |
8ac0c9cd4c48
fncache: avoid loading the filename cache when not actually modifying it
Martijn Pieters <mj@zopatista.com>
parents:
37409
diff
changeset
|
635 notload = self.fncache.entries is None and self.vfs.exists(encoded) |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
636 if notload and b'a' in mode and not self.vfs.stat(encoded).st_size: |
38661
8ac0c9cd4c48
fncache: avoid loading the filename cache when not actually modifying it
Martijn Pieters <mj@zopatista.com>
parents:
37409
diff
changeset
|
637 # when appending to an existing file, if the file has size zero, |
8ac0c9cd4c48
fncache: avoid loading the filename cache when not actually modifying it
Martijn Pieters <mj@zopatista.com>
parents:
37409
diff
changeset
|
638 # it should be considered as missing. Such zero-size files are |
8ac0c9cd4c48
fncache: avoid loading the filename cache when not actually modifying it
Martijn Pieters <mj@zopatista.com>
parents:
37409
diff
changeset
|
639 # the result of truncation when a transaction is aborted. |
8ac0c9cd4c48
fncache: avoid loading the filename cache when not actually modifying it
Martijn Pieters <mj@zopatista.com>
parents:
37409
diff
changeset
|
640 notload = False |
8ac0c9cd4c48
fncache: avoid loading the filename cache when not actually modifying it
Martijn Pieters <mj@zopatista.com>
parents:
37409
diff
changeset
|
641 if not notload: |
8ac0c9cd4c48
fncache: avoid loading the filename cache when not actually modifying it
Martijn Pieters <mj@zopatista.com>
parents:
37409
diff
changeset
|
642 self.fncache.add(path) |
8ac0c9cd4c48
fncache: avoid loading the filename cache when not actually modifying it
Martijn Pieters <mj@zopatista.com>
parents:
37409
diff
changeset
|
643 return self.vfs(encoded, mode, *args, **kw) |
14194
3a90fb3addc1
store: break up reference cycle introduced in 9cbff8a39a2a
Adrian Buehlmann <adrian@cadifra.com>
parents:
14166
diff
changeset
|
644 |
17725
ffd589d4b785
vfs: define "join()" in each classes derived from "abstractvfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17724
diff
changeset
|
645 def join(self, path): |
ffd589d4b785
vfs: define "join()" in each classes derived from "abstractvfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17724
diff
changeset
|
646 if path: |
ffd589d4b785
vfs: define "join()" in each classes derived from "abstractvfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17724
diff
changeset
|
647 return self.vfs.join(self.encode(path)) |
ffd589d4b785
vfs: define "join()" in each classes derived from "abstractvfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17724
diff
changeset
|
648 else: |
ffd589d4b785
vfs: define "join()" in each classes derived from "abstractvfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17724
diff
changeset
|
649 return self.vfs.join(path) |
ffd589d4b785
vfs: define "join()" in each classes derived from "abstractvfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17724
diff
changeset
|
650 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42905
diff
changeset
|
651 |
7229
7946503ec76e
introduce fncache repository layout
Adrian Buehlmann <adrian@cadifra.com>
parents:
6989
diff
changeset
|
652 class fncachestore(basicstore): |
17651
3b49c28658f6
store: rename "openertype" argument to "vfstype"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17649
diff
changeset
|
653 def __init__(self, path, vfstype, dotencode): |
17591
9a5c2ecd1158
store: move encode lambda logic into fncachestore
Adrian Buehlmann <adrian@cadifra.com>
parents:
17590
diff
changeset
|
654 if dotencode: |
18435
8c019d2fd7c0
store: switch to C-based hashed path encoding
Bryan O'Sullivan <bryano@fb.com>
parents:
18430
diff
changeset
|
655 encode = _pathencode |
17591
9a5c2ecd1158
store: move encode lambda logic into fncachestore
Adrian Buehlmann <adrian@cadifra.com>
parents:
17590
diff
changeset
|
656 else: |
9a5c2ecd1158
store: move encode lambda logic into fncachestore
Adrian Buehlmann <adrian@cadifra.com>
parents:
17590
diff
changeset
|
657 encode = _plainhybridencode |
12687
34d8247a4595
store: encode first period or space in filenames (issue1713)
Adrian Buehlmann <adrian@cadifra.com>
parents:
12171
diff
changeset
|
658 self.encode = encode |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
659 vfs = vfstype(path + b'/store') |
17724
bf4b72d8dd4d
store: initialize vfs field first to use it for initialization of others
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17722
diff
changeset
|
660 self.path = vfs.base |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
661 self.pathsep = self.path + b'/' |
17726
7cb7e17c23b2
store: invoke "os.stat()" for "createmode" initialization via vfs
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17725
diff
changeset
|
662 self.createmode = _calcmode(vfs) |
17652
2c6f7231becc
store: rename "op" variables to "vfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17651
diff
changeset
|
663 vfs.createmode = self.createmode |
17727
6492b39a44d5
store: replace invocation of "getsize()" by "vfs.stat()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17726
diff
changeset
|
664 self.rawvfs = vfs |
17652
2c6f7231becc
store: rename "op" variables to "vfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17651
diff
changeset
|
665 fnc = fncache(vfs) |
9133
996c1cd8f530
store: eliminate reference cycle in fncachestore
Simon Heimberg <simohe@besonet.ch>
parents:
8778
diff
changeset
|
666 self.fncache = fnc |
17653
dacb50696b75
store: initialize "vfs" fields by "vfs" constructors
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17652
diff
changeset
|
667 self.vfs = _fncachevfs(vfs, fnc, encode) |
dacb50696b75
store: initialize "vfs" fields by "vfs" constructors
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17652
diff
changeset
|
668 self.opener = self.vfs |
7229
7946503ec76e
introduce fncache repository layout
Adrian Buehlmann <adrian@cadifra.com>
parents:
6989
diff
changeset
|
669 |
7946503ec76e
introduce fncache repository layout
Adrian Buehlmann <adrian@cadifra.com>
parents:
6989
diff
changeset
|
670 def join(self, f): |
17562
b42b0729744d
store: reduce string concatenation when joining
Bryan O'Sullivan <bryano@fb.com>
parents:
17555
diff
changeset
|
671 return self.pathsep + self.encode(f) |
7229
7946503ec76e
introduce fncache repository layout
Adrian Buehlmann <adrian@cadifra.com>
parents:
6989
diff
changeset
|
672 |
17731
c85dbae29684
store: restore getsize method
Matt Mackall <mpm@selenic.com>
parents:
17728
diff
changeset
|
673 def getsize(self, path): |
c85dbae29684
store: restore getsize method
Matt Mackall <mpm@selenic.com>
parents:
17728
diff
changeset
|
674 return self.rawvfs.stat(path).st_size |
c85dbae29684
store: restore getsize method
Matt Mackall <mpm@selenic.com>
parents:
17728
diff
changeset
|
675 |
40340
2d45b549392f
store: pass matcher to store.datafiles()
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
39698
diff
changeset
|
676 def datafiles(self, matcher=None): |
17373
4cbb1137941d
store: sort the results of fncachestore.datafiles()
Bryan O'Sullivan <bryano@fb.com>
parents:
17249
diff
changeset
|
677 for f in sorted(self.fncache): |
40494
9aeb9e2d28a7
store: introduce _matchtrackedpath() and use it to filter store files
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
40340
diff
changeset
|
678 if not _matchtrackedpath(f, matcher): |
9aeb9e2d28a7
store: introduce _matchtrackedpath() and use it to filter store files
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
40340
diff
changeset
|
679 continue |
12687
34d8247a4595
store: encode first period or space in filenames (issue1713)
Adrian Buehlmann <adrian@cadifra.com>
parents:
12171
diff
changeset
|
680 ef = self.encode(f) |
7229
7946503ec76e
introduce fncache repository layout
Adrian Buehlmann <adrian@cadifra.com>
parents:
6989
diff
changeset
|
681 try: |
17731
c85dbae29684
store: restore getsize method
Matt Mackall <mpm@selenic.com>
parents:
17728
diff
changeset
|
682 yield f, ef, self.getsize(ef) |
25660
328739ea70c3
global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25658
diff
changeset
|
683 except OSError as err: |
17374
0cec762790ed
store: only one kind of OSError means "nonexistent entry"
Bryan O'Sullivan <bryano@fb.com>
parents:
17373
diff
changeset
|
684 if err.errno != errno.ENOENT: |
0cec762790ed
store: only one kind of OSError means "nonexistent entry"
Bryan O'Sullivan <bryano@fb.com>
parents:
17373
diff
changeset
|
685 raise |
7229
7946503ec76e
introduce fncache repository layout
Adrian Buehlmann <adrian@cadifra.com>
parents:
6989
diff
changeset
|
686 |
7946503ec76e
introduce fncache repository layout
Adrian Buehlmann <adrian@cadifra.com>
parents:
6989
diff
changeset
|
687 def copylist(self): |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42905
diff
changeset
|
688 d = ( |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
689 b'bookmarks narrowspec data meta dh fncache phaseroots obsstore' |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
690 b' 00manifest.d 00manifest.i 00changelog.d 00changelog.i' |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42905
diff
changeset
|
691 ) |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
692 return [b'requires', b'00changelog.i'] + [ |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
693 b'store/' + f for f in d.split() |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
694 ] |
7229
7946503ec76e
introduce fncache repository layout
Adrian Buehlmann <adrian@cadifra.com>
parents:
6989
diff
changeset
|
695 |
20883
cd443c7589cc
fncache: move fncache writing to be in a transaction
Durham Goode <durham@fb.com>
parents:
20879
diff
changeset
|
696 def write(self, tr): |
cd443c7589cc
fncache: move fncache writing to be in a transaction
Durham Goode <durham@fb.com>
parents:
20879
diff
changeset
|
697 self.fncache.write(tr) |
13391
d00bbff8600e
fncachestore: defer updating the fncache file to a single file open
Adrian Buehlmann <adrian@cadifra.com>
parents:
13169
diff
changeset
|
698 |
20884
2efdd186925d
caches: invalidate store caches when lock is taken
Durham Goode <durham@fb.com>
parents:
20883
diff
changeset
|
699 def invalidatecaches(self): |
2efdd186925d
caches: invalidate store caches when lock is taken
Durham Goode <durham@fb.com>
parents:
20883
diff
changeset
|
700 self.fncache.entries = None |
40736
0728d87a8631
store: append to fncache if there are only new files to write
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
40624
diff
changeset
|
701 self.fncache.addls = set() |
20884
2efdd186925d
caches: invalidate store caches when lock is taken
Durham Goode <durham@fb.com>
parents:
20883
diff
changeset
|
702 |
20885
f49d60fa40a5
fncache: clean up fncache during strips
Durham Goode <durham@fb.com>
parents:
20884
diff
changeset
|
703 def markremoved(self, fn): |
f49d60fa40a5
fncache: clean up fncache during strips
Durham Goode <durham@fb.com>
parents:
20884
diff
changeset
|
704 self.fncache.remove(fn) |
f49d60fa40a5
fncache: clean up fncache during strips
Durham Goode <durham@fb.com>
parents:
20884
diff
changeset
|
705 |
17783
df55ce6854c3
store: add new _exists helper function on fncachestore
Adrian Buehlmann <adrian@cadifra.com>
parents:
17782
diff
changeset
|
706 def _exists(self, f): |
df55ce6854c3
store: add new _exists helper function on fncachestore
Adrian Buehlmann <adrian@cadifra.com>
parents:
17782
diff
changeset
|
707 ef = self.encode(f) |
df55ce6854c3
store: add new _exists helper function on fncachestore
Adrian Buehlmann <adrian@cadifra.com>
parents:
17782
diff
changeset
|
708 try: |
df55ce6854c3
store: add new _exists helper function on fncachestore
Adrian Buehlmann <adrian@cadifra.com>
parents:
17782
diff
changeset
|
709 self.getsize(ef) |
df55ce6854c3
store: add new _exists helper function on fncachestore
Adrian Buehlmann <adrian@cadifra.com>
parents:
17782
diff
changeset
|
710 return True |
25660
328739ea70c3
global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25658
diff
changeset
|
711 except OSError as err: |
17783
df55ce6854c3
store: add new _exists helper function on fncachestore
Adrian Buehlmann <adrian@cadifra.com>
parents:
17782
diff
changeset
|
712 if err.errno != errno.ENOENT: |
df55ce6854c3
store: add new _exists helper function on fncachestore
Adrian Buehlmann <adrian@cadifra.com>
parents:
17782
diff
changeset
|
713 raise |
df55ce6854c3
store: add new _exists helper function on fncachestore
Adrian Buehlmann <adrian@cadifra.com>
parents:
17782
diff
changeset
|
714 # nonexistent entry |
df55ce6854c3
store: add new _exists helper function on fncachestore
Adrian Buehlmann <adrian@cadifra.com>
parents:
17782
diff
changeset
|
715 return False |
df55ce6854c3
store: add new _exists helper function on fncachestore
Adrian Buehlmann <adrian@cadifra.com>
parents:
17782
diff
changeset
|
716 |
17745 | 717 def __contains__(self, path): |
718 '''Checks if the store contains path''' | |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
719 path = b"/".join((b"data", path)) |
17782
8095306c1fb2
store: move __contains__() implementation from class fncache into fncachestore
Adrian Buehlmann <adrian@cadifra.com>
parents:
17747
diff
changeset
|
720 # check for files (exact match) |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
721 e = path + b'.i' |
17784
73e1ab39792c
store: fncache may contain non-existent entries (fixes b9a56b816ff2)
Adrian Buehlmann <adrian@cadifra.com>
parents:
17783
diff
changeset
|
722 if e in self.fncache and self._exists(e): |
17782
8095306c1fb2
store: move __contains__() implementation from class fncache into fncachestore
Adrian Buehlmann <adrian@cadifra.com>
parents:
17747
diff
changeset
|
723 return True |
8095306c1fb2
store: move __contains__() implementation from class fncache into fncachestore
Adrian Buehlmann <adrian@cadifra.com>
parents:
17747
diff
changeset
|
724 # now check for directories (prefix match) |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
725 if not path.endswith(b'/'): |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
726 path += b'/' |
17782
8095306c1fb2
store: move __contains__() implementation from class fncache into fncachestore
Adrian Buehlmann <adrian@cadifra.com>
parents:
17747
diff
changeset
|
727 for e in self.fncache: |
17784
73e1ab39792c
store: fncache may contain non-existent entries (fixes b9a56b816ff2)
Adrian Buehlmann <adrian@cadifra.com>
parents:
17783
diff
changeset
|
728 if e.startswith(path) and self._exists(e): |
17782
8095306c1fb2
store: move __contains__() implementation from class fncache into fncachestore
Adrian Buehlmann <adrian@cadifra.com>
parents:
17747
diff
changeset
|
729 return True |
8095306c1fb2
store: move __contains__() implementation from class fncache into fncachestore
Adrian Buehlmann <adrian@cadifra.com>
parents:
17747
diff
changeset
|
730 return False |