Mercurial > hg
annotate mercurial/store.py @ 42252:a42cc325b682
gendoc: nest command headers under category headers
Differential Revision: https://phab.mercurial-scm.org/D6329
author | Sietse Brouwer <sbbrouwer@gmail.com> |
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date | Fri, 26 Apr 2019 12:41:48 +0200 |
parents | 3e7cfa17df5d |
children | 526750cdd02d |
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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 hashlib |
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13 import os |
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14 import stat |
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15 |
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16 from .i18n import _ |
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17 from . import ( |
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18 error, |
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19 node, |
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20 policy, |
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21 pycompat, |
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22 util, |
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23 vfs as vfsmod, |
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24 ) |
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25 |
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26 parsers = policy.importmod(r'parsers') |
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27 # how much bytes should be read from fncache in one read |
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28 # It is done to prevent loading large fncache files into memory |
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29 fncache_chunksize = 10 ** 6 |
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30 |
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31 def _matchtrackedpath(path, matcher): |
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32 """parses a fncache entry and returns whether the entry is tracking a path |
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33 matched by matcher or not. |
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34 |
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35 If matcher is None, returns True""" |
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36 |
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37 if matcher is None: |
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38 return True |
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39 path = decodedir(path) |
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40 if path.startswith('data/'): |
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41 return matcher(path[len('data/'):-len('.i')]) |
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42 elif path.startswith('meta/'): |
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43 return matcher.visitdir(path[len('meta/'):-len('/00manifest.i')] or '.') |
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44 |
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45 raise error.ProgrammingError("cannot decode path %s" % path) |
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46 |
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47 # This avoids a collision between a file named foo and a dir named |
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48 # foo.i or foo.d |
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49 def _encodedir(path): |
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50 ''' |
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51 >>> _encodedir(b'data/foo.i') |
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52 'data/foo.i' |
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53 >>> _encodedir(b'data/foo.i/bla.i') |
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54 'data/foo.i.hg/bla.i' |
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55 >>> _encodedir(b'data/foo.i.hg/bla.i') |
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56 'data/foo.i.hg.hg/bla.i' |
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57 >>> _encodedir(b'data/foo.i\\ndata/foo.i/bla.i\\ndata/foo.i.hg/bla.i\\n') |
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58 'data/foo.i\\ndata/foo.i.hg/bla.i\\ndata/foo.i.hg.hg/bla.i\\n' |
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59 ''' |
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60 return (path |
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61 .replace(".hg/", ".hg.hg/") |
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62 .replace(".i/", ".i.hg/") |
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63 .replace(".d/", ".d.hg/")) |
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64 |
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65 encodedir = getattr(parsers, 'encodedir', _encodedir) |
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66 |
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67 def decodedir(path): |
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68 ''' |
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69 >>> decodedir(b'data/foo.i') |
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70 'data/foo.i' |
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71 >>> decodedir(b'data/foo.i.hg/bla.i') |
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72 'data/foo.i/bla.i' |
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73 >>> decodedir(b'data/foo.i.hg.hg/bla.i') |
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74 'data/foo.i.hg/bla.i' |
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75 ''' |
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76 if ".hg/" not in path: |
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77 return path |
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78 return (path |
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79 .replace(".d.hg/", ".d/") |
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80 .replace(".i.hg/", ".i/") |
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81 .replace(".hg.hg/", ".hg/")) |
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82 |
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83 def _reserved(): |
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84 ''' characters that are problematic for filesystems |
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85 |
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86 * ascii escapes (0..31) |
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87 * ascii hi (126..255) |
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88 * windows specials |
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89 |
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90 these characters will be escaped by encodefunctions |
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91 ''' |
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92 winreserved = [ord(x) for x in u'\\:*?"<>|'] |
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93 for x in range(32): |
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94 yield x |
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95 for x in range(126, 256): |
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96 yield x |
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97 for x in winreserved: |
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98 yield x |
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99 |
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100 def _buildencodefun(): |
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101 ''' |
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102 >>> enc, dec = _buildencodefun() |
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103 |
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104 >>> enc(b'nothing/special.txt') |
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105 'nothing/special.txt' |
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106 >>> dec(b'nothing/special.txt') |
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107 'nothing/special.txt' |
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108 |
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109 >>> enc(b'HELLO') |
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110 '_h_e_l_l_o' |
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111 >>> dec(b'_h_e_l_l_o') |
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112 'HELLO' |
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113 |
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114 >>> enc(b'hello:world?') |
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115 'hello~3aworld~3f' |
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116 >>> dec(b'hello~3aworld~3f') |
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117 'hello:world?' |
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118 |
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119 >>> enc(b'the\\x07quick\\xADshot') |
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120 'the~07quick~adshot' |
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121 >>> dec(b'the~07quick~adshot') |
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122 'the\\x07quick\\xadshot' |
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123 ''' |
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124 e = '_' |
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125 xchr = pycompat.bytechr |
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126 asciistr = list(map(xchr, range(127))) |
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127 capitals = list(range(ord("A"), ord("Z") + 1)) |
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128 |
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129 cmap = dict((x, x) for x in asciistr) |
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130 for x in _reserved(): |
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131 cmap[xchr(x)] = "~%02x" % x |
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132 for x in capitals + [ord(e)]: |
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133 cmap[xchr(x)] = e + xchr(x).lower() |
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134 |
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135 dmap = {} |
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136 for k, v in cmap.iteritems(): |
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137 dmap[v] = k |
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138 def decode(s): |
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139 i = 0 |
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140 while i < len(s): |
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141 for l in pycompat.xrange(1, 4): |
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142 try: |
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143 yield dmap[s[i:i + l]] |
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144 i += l |
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145 break |
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146 except KeyError: |
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147 pass |
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148 else: |
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149 raise KeyError |
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150 return (lambda s: ''.join([cmap[s[c:c + 1]] |
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151 for c in pycompat.xrange(len(s))]), |
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152 lambda s: ''.join(list(decode(s)))) |
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153 |
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154 _encodefname, _decodefname = _buildencodefun() |
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155 |
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156 def encodefilename(s): |
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157 ''' |
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158 >>> encodefilename(b'foo.i/bar.d/bla.hg/hi:world?/HELLO') |
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159 'foo.i.hg/bar.d.hg/bla.hg.hg/hi~3aworld~3f/_h_e_l_l_o' |
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160 ''' |
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161 return _encodefname(encodedir(s)) |
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162 |
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163 def decodefilename(s): |
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164 ''' |
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165 >>> decodefilename(b'foo.i.hg/bar.d.hg/bla.hg.hg/hi~3aworld~3f/_h_e_l_l_o') |
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166 'foo.i/bar.d/bla.hg/hi:world?/HELLO' |
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167 ''' |
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168 return decodedir(_decodefname(s)) |
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169 |
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170 def _buildlowerencodefun(): |
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171 ''' |
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172 >>> f = _buildlowerencodefun() |
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173 >>> f(b'nothing/special.txt') |
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174 'nothing/special.txt' |
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175 >>> f(b'HELLO') |
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176 'hello' |
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177 >>> f(b'hello:world?') |
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178 'hello~3aworld~3f' |
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179 >>> f(b'the\\x07quick\\xADshot') |
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180 'the~07quick~adshot' |
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181 ''' |
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182 xchr = pycompat.bytechr |
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183 cmap = dict([(xchr(x), xchr(x)) for x in pycompat.xrange(127)]) |
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184 for x in _reserved(): |
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185 cmap[xchr(x)] = "~%02x" % x |
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186 for x in range(ord("A"), ord("Z") + 1): |
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187 cmap[xchr(x)] = xchr(x).lower() |
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188 def lowerencode(s): |
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189 return "".join([cmap[c] for c in pycompat.iterbytestr(s)]) |
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190 return lowerencode |
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191 |
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192 lowerencode = getattr(parsers, 'lowerencode', None) or _buildlowerencodefun() |
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193 |
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194 # Windows reserved names: con, prn, aux, nul, com1..com9, lpt1..lpt9 |
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195 _winres3 = ('aux', 'con', 'prn', 'nul') # length 3 |
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196 _winres4 = ('com', 'lpt') # length 4 (with trailing 1..9) |
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197 def _auxencode(path, dotencode): |
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198 ''' |
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199 Encodes filenames containing names reserved by Windows or which end in |
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200 period or space. Does not touch other single reserved characters c. |
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201 Specifically, c in '\\:*?"<>|' or ord(c) <= 31 are *not* encoded here. |
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202 Additionally encodes space or period at the beginning, if dotencode is |
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203 True. Parameter path is assumed to be all lowercase. |
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204 A segment only needs encoding if a reserved name appears as a |
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205 basename (e.g. "aux", "aux.foo"). A directory or file named "foo.aux" |
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206 doesn't need encoding. |
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207 |
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208 >>> s = b'.foo/aux.txt/txt.aux/con/prn/nul/foo.' |
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209 >>> _auxencode(s.split(b'/'), True) |
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210 ['~2efoo', 'au~78.txt', 'txt.aux', 'co~6e', 'pr~6e', 'nu~6c', 'foo~2e'] |
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211 >>> s = b'.com1com2/lpt9.lpt4.lpt1/conprn/com0/lpt0/foo.' |
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212 >>> _auxencode(s.split(b'/'), False) |
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213 ['.com1com2', 'lp~749.lpt4.lpt1', 'conprn', 'com0', 'lpt0', 'foo~2e'] |
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214 >>> _auxencode([b'foo. '], True) |
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215 ['foo.~20'] |
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216 >>> _auxencode([b' .foo'], True) |
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217 ['~20.foo'] |
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218 ''' |
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219 for i, n in enumerate(path): |
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220 if not n: |
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221 continue |
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222 if dotencode and n[0] in '. ': |
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223 n = "~%02x" % ord(n[0:1]) + n[1:] |
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224 path[i] = n |
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225 else: |
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226 l = n.find('.') |
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227 if l == -1: |
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228 l = len(n) |
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229 if ((l == 3 and n[:3] in _winres3) or |
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230 (l == 4 and n[3:4] <= '9' and n[3:4] >= '1' |
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231 and n[:3] in _winres4)): |
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232 # encode third letter ('aux' -> 'au~78') |
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233 ec = "~%02x" % ord(n[2:3]) |
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234 n = n[0:2] + ec + n[3:] |
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235 path[i] = n |
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236 if n[-1] in '. ': |
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237 # encode last period or space ('foo...' -> 'foo..~2e') |
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238 path[i] = n[:-1] + "~%02x" % ord(n[-1:]) |
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239 return path |
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240 |
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241 _maxstorepathlen = 120 |
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242 _dirprefixlen = 8 |
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243 _maxshortdirslen = 8 * (_dirprefixlen + 1) - 4 |
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244 |
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245 def _hashencode(path, dotencode): |
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246 digest = node.hex(hashlib.sha1(path).digest()) |
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247 le = lowerencode(path[5:]).split('/') # skips prefix 'data/' or 'meta/' |
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248 parts = _auxencode(le, dotencode) |
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249 basename = parts[-1] |
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250 _root, ext = os.path.splitext(basename) |
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251 sdirs = [] |
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252 sdirslen = 0 |
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253 for p in parts[:-1]: |
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254 d = p[:_dirprefixlen] |
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255 if d[-1] in '. ': |
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256 # Windows can't access dirs ending in period or space |
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257 d = d[:-1] + '_' |
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258 if sdirslen == 0: |
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259 t = len(d) |
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260 else: |
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261 t = sdirslen + 1 + len(d) |
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262 if t > _maxshortdirslen: |
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263 break |
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264 sdirs.append(d) |
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265 sdirslen = t |
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266 dirs = '/'.join(sdirs) |
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267 if len(dirs) > 0: |
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268 dirs += '/' |
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269 res = 'dh/' + dirs + digest + ext |
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270 spaceleft = _maxstorepathlen - len(res) |
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271 if spaceleft > 0: |
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272 filler = basename[:spaceleft] |
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273 res = 'dh/' + dirs + filler + digest + ext |
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274 return res |
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275 |
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276 def _hybridencode(path, dotencode): |
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277 '''encodes path with a length limit |
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278 |
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279 Encodes all paths that begin with 'data/', according to the following. |
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280 |
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281 Default encoding (reversible): |
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282 |
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283 Encodes all uppercase letters 'X' as '_x'. All reserved or illegal |
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284 characters are encoded as '~xx', where xx is the two digit hex code |
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285 of the character (see encodefilename). |
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286 Relevant path components consisting of Windows reserved filenames are |
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287 masked by encoding the third character ('aux' -> 'au~78', see _auxencode). |
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288 |
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289 Hashed encoding (not reversible): |
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290 |
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291 If the default-encoded path is longer than _maxstorepathlen, a |
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292 non-reversible hybrid hashing of the path is done instead. |
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293 This encoding uses up to _dirprefixlen characters of all directory |
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294 levels of the lowerencoded path, but not more levels than can fit into |
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295 _maxshortdirslen. |
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296 Then follows the filler followed by the sha digest of the full path. |
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297 The filler is the beginning of the basename of the lowerencoded path |
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298 (the basename is everything after the last path separator). The filler |
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299 is as long as possible, filling in characters from the basename until |
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300 the encoded path has _maxstorepathlen characters (or all chars of the |
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301 basename have been taken). |
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302 The extension (e.g. '.i' or '.d') is preserved. |
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303 |
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304 The string 'data/' at the beginning is replaced with 'dh/', if the hashed |
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305 encoding was used. |
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306 ''' |
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307 path = encodedir(path) |
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308 ef = _encodefname(path).split('/') |
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309 res = '/'.join(_auxencode(ef, dotencode)) |
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310 if len(res) > _maxstorepathlen: |
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311 res = _hashencode(path, dotencode) |
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312 return res |
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313 |
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314 def _pathencode(path): |
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315 de = encodedir(path) |
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316 if len(path) > _maxstorepathlen: |
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317 return _hashencode(de, True) |
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318 ef = _encodefname(de).split('/') |
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319 res = '/'.join(_auxencode(ef, True)) |
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320 if len(res) > _maxstorepathlen: |
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321 return _hashencode(de, True) |
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322 return res |
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323 |
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324 _pathencode = getattr(parsers, 'pathencode', _pathencode) |
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325 |
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326 def _plainhybridencode(f): |
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327 return _hybridencode(f, False) |
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328 |
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329 def _calcmode(vfs): |
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330 try: |
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331 # files in .hg/ will be created using this mode |
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332 mode = vfs.stat().st_mode |
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333 # avoid some useless chmods |
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334 if (0o777 & ~util.umask) == (0o777 & mode): |
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335 mode = None |
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336 except OSError: |
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337 mode = None |
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338 return mode |
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339 |
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340 _data = ('narrowspec data meta 00manifest.d 00manifest.i' |
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341 ' 00changelog.d 00changelog.i phaseroots obsstore') |
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342 |
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343 def isrevlog(f, kind, st): |
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344 return kind == stat.S_IFREG and f[-2:] in ('.i', '.d') |
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345 |
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346 class basicstore(object): |
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347 '''base class for local repository stores''' |
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348 def __init__(self, path, vfstype): |
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349 vfs = vfstype(path) |
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350 self.path = vfs.base |
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351 self.createmode = _calcmode(vfs) |
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352 vfs.createmode = self.createmode |
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353 self.rawvfs = vfs |
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354 self.vfs = vfsmod.filtervfs(vfs, encodedir) |
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355 self.opener = self.vfs |
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356 |
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357 def join(self, f): |
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358 return self.path + '/' + encodedir(f) |
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359 |
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360 def _walk(self, relpath, recurse, filefilter=isrevlog): |
6900
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361 '''yields (unencoded, encoded, size)''' |
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362 path = self.path |
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363 if relpath: |
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364 path += '/' + relpath |
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365 striplen = len(self.path) + 1 |
6899 | 366 l = [] |
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367 if self.rawvfs.isdir(path): |
6899 | 368 visit = [path] |
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369 readdir = self.rawvfs.readdir |
6899 | 370 while visit: |
371 p = visit.pop() | |
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372 for f, kind, st in readdir(p, stat=True): |
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373 fp = p + '/' + f |
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374 if filefilter(f, kind, st): |
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375 n = util.pconvert(fp[striplen:]) |
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376 l.append((decodedir(n), n, st.st_size)) |
6899 | 377 elif kind == stat.S_IFDIR and recurse: |
378 visit.append(fp) | |
17054
125ff5654b72
store: sort filenames in place
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379 l.sort() |
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380 return l |
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381 |
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382 def datafiles(self, matcher=None): |
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383 return self._walk('data', True) + self._walk('meta', True) |
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384 |
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385 def topfiles(self): |
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386 # yield manifest before changelog |
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387 return reversed(self._walk('', False)) |
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388 |
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389 def walk(self, matcher=None): |
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390 '''yields (unencoded, encoded, size) |
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391 |
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|
392 if a matcher is passed, storage files of only those tracked paths |
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393 are passed with matches the matcher |
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394 ''' |
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395 # yield data files first |
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396 for x in self.datafiles(matcher): |
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397 yield x |
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398 for x in self.topfiles(): |
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399 yield x |
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|
400 |
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|
401 def copylist(self): |
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402 return ['requires'] + _data.split() |
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|
403 |
20883
cd443c7589cc
fncache: move fncache writing to be in a transaction
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diff
changeset
|
404 def write(self, tr): |
13391
d00bbff8600e
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|
405 pass |
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changeset
|
406 |
20884
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caches: invalidate store caches when lock is taken
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|
407 def invalidatecaches(self): |
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|
408 pass |
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diff
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|
409 |
20885
f49d60fa40a5
fncache: clean up fncache during strips
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diff
changeset
|
410 def markremoved(self, fn): |
f49d60fa40a5
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|
411 pass |
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|
412 |
17744 | 413 def __contains__(self, path): |
414 '''Checks if the store contains path''' | |
415 path = "/".join(("data", path)) | |
416 # file? | |
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diff
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|
417 if self.vfs.exists(path + ".i"): |
17744 | 418 return True |
419 # dir? | |
420 if not path.endswith("/"): | |
421 path = path + "/" | |
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diff
changeset
|
422 return self.vfs.exists(path) |
17744 | 423 |
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changeset
|
424 class encodedstore(basicstore): |
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|
425 def __init__(self, path, vfstype): |
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|
426 vfs = vfstype(path + '/store') |
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|
427 self.path = vfs.base |
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|
428 self.createmode = _calcmode(vfs) |
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|
429 vfs.createmode = self.createmode |
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|
430 self.rawvfs = vfs |
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changeset
|
431 self.vfs = vfsmod.filtervfs(vfs, encodefilename) |
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|
432 self.opener = self.vfs |
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|
433 |
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changeset
|
434 def datafiles(self, matcher=None): |
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diff
changeset
|
435 for a, b, size in super(encodedstore, self).datafiles(): |
6892
dab95717058d
verify: check repo.store
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diff
changeset
|
436 try: |
6900
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changeset
|
437 a = decodefilename(a) |
6892
dab95717058d
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diff
changeset
|
438 except KeyError: |
6900
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diff
changeset
|
439 a = None |
40584
a694a7159125
store: pass in decoded filename to narrow matcher
Yuya Nishihara <yuya@tcha.org>
parents:
40494
diff
changeset
|
440 if a is not None and not _matchtrackedpath(a, matcher): |
a694a7159125
store: pass in decoded filename to narrow matcher
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parents:
40494
diff
changeset
|
441 continue |
6900
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diff
changeset
|
442 yield a, b, size |
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changeset
|
443 |
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changeset
|
444 def join(self, f): |
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|
445 return self.path + '/' + encodefilename(f) |
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changeset
|
446 |
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changeset
|
447 def copylist(self): |
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changeset
|
448 return (['requires', '00changelog.i'] + |
13426
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changeset
|
449 ['store/' + f for f in _data.split()]) |
6903
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changeset
|
450 |
8530
03196ac9a8b9
store: refactor the fncache handling
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parents:
8480
diff
changeset
|
451 class fncache(object): |
8531
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changeset
|
452 # the filename used to be partially encoded |
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changeset
|
453 # hence the encodedir/decodedir dance |
17722
3b976051034d
store: rename field name from "opener" to "vfs" in internal classes for fncache
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parents:
17721
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changeset
|
454 def __init__(self, vfs): |
3b976051034d
store: rename field name from "opener" to "vfs" in internal classes for fncache
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changeset
|
455 self.vfs = vfs |
7229
7946503ec76e
introduce fncache repository layout
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parents:
6989
diff
changeset
|
456 self.entries = None |
13391
d00bbff8600e
fncachestore: defer updating the fncache file to a single file open
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parents:
13169
diff
changeset
|
457 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
|
458 # 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
|
459 self.addls = set() |
7229
7946503ec76e
introduce fncache repository layout
Adrian Buehlmann <adrian@cadifra.com>
parents:
6989
diff
changeset
|
460 |
8530
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
461 def _load(self): |
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
462 '''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
|
463 self._dirty = False |
8530
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
464 try: |
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
|
465 fp = self.vfs('fncache', mode='rb') |
8530
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
466 except IOError: |
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
467 # 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
|
468 self.entries = set() |
8530
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
469 return |
41978
a56487081109
store: don't read the whole fncache in memory
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
41973
diff
changeset
|
470 |
a56487081109
store: don't read the whole fncache in memory
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
41973
diff
changeset
|
471 self.entries = set() |
a56487081109
store: don't read the whole fncache in memory
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
41973
diff
changeset
|
472 chunk = b'' |
a56487081109
store: don't read the whole fncache in memory
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
41973
diff
changeset
|
473 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
|
474 chunk += c |
a56487081109
store: don't read the whole fncache in memory
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
41973
diff
changeset
|
475 try: |
a56487081109
store: don't read the whole fncache in memory
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
41973
diff
changeset
|
476 p = chunk.rindex(b'\n') |
a56487081109
store: don't read the whole fncache in memory
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
41973
diff
changeset
|
477 self.entries.update(decodedir(chunk[:p + 1]).splitlines()) |
a56487081109
store: don't read the whole fncache in memory
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
41973
diff
changeset
|
478 chunk = chunk[p + 1:] |
a56487081109
store: don't read the whole fncache in memory
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
41973
diff
changeset
|
479 except ValueError: |
a56487081109
store: don't read the whole fncache in memory
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
41973
diff
changeset
|
480 # 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
|
481 # 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
|
482 pass |
a56487081109
store: don't read the whole fncache in memory
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
41973
diff
changeset
|
483 |
41981
a920a9e1795a
store: error out if fncache does not ends with a newline
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
41978
diff
changeset
|
484 if chunk: |
41989
3e7cfa17df5d
store: recommend using `hg debugrebuildfncache` is fncache is corrupted
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
41981
diff
changeset
|
485 raise error.Abort(_("fncache does not ends with a newline"), |
3e7cfa17df5d
store: recommend using `hg debugrebuildfncache` is fncache is corrupted
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
41981
diff
changeset
|
486 hint=_("use 'hg debugrebuildfncache' to rebuild" |
3e7cfa17df5d
store: recommend using `hg debugrebuildfncache` is fncache is corrupted
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
41981
diff
changeset
|
487 " the fncache")) |
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
|
488 self._checkentries(fp) |
d7ef84e595f8
store: move logic to check for invalid entry in fncache to own function
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
41093
diff
changeset
|
489 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
|
490 |
d7ef84e595f8
store: move logic to check for invalid entry in fncache to own function
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
41093
diff
changeset
|
491 def _checkentries(self, fp): |
d7ef84e595f8
store: move logic to check for invalid entry in fncache to own function
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
41093
diff
changeset
|
492 """ make sure there is no empty string in entries """ |
16404
9fca5b056c0a
store: speed up read and write of large fncache files
Bryan O'Sullivan <bryano@fb.com>
parents:
15742
diff
changeset
|
493 if '' in self.entries: |
9fca5b056c0a
store: speed up read and write of large fncache files
Bryan O'Sullivan <bryano@fb.com>
parents:
15742
diff
changeset
|
494 fp.seek(0) |
30398 | 495 for n, line in enumerate(util.iterfile(fp)): |
16404
9fca5b056c0a
store: speed up read and write of large fncache files
Bryan O'Sullivan <bryano@fb.com>
parents:
15742
diff
changeset
|
496 if not line.rstrip('\n'): |
26778
a95c975f42e3
l10n: use %d instead of %s for numbers
timeless@mozdev.org
parents:
26587
diff
changeset
|
497 t = _('invalid entry in fncache, line %d') % (n + 1) |
26587
56b2bcea2529
error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25660
diff
changeset
|
498 raise error.Abort(t) |
7229
7946503ec76e
introduce fncache repository layout
Adrian Buehlmann <adrian@cadifra.com>
parents:
6989
diff
changeset
|
499 |
20883
cd443c7589cc
fncache: move fncache writing to be in a transaction
Durham Goode <durham@fb.com>
parents:
20879
diff
changeset
|
500 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
|
501 if self._dirty: |
38696
89d93dd1a222
store: assert the fncache have been loaded if dirty
Boris Feld <boris.feld@octobus.net>
parents:
38661
diff
changeset
|
502 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
|
503 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
|
504 self.addls = set() |
20883
cd443c7589cc
fncache: move fncache writing to be in a transaction
Durham Goode <durham@fb.com>
parents:
20879
diff
changeset
|
505 tr.addbackup('fncache') |
20879
cd03854a2e06
fncache: remove the rewriting logic
Durham Goode <durham@fb.com>
parents:
19903
diff
changeset
|
506 fp = self.vfs('fncache', mode='wb', atomictemp=True) |
cd03854a2e06
fncache: remove the rewriting logic
Durham Goode <durham@fb.com>
parents:
19903
diff
changeset
|
507 if self.entries: |
cd03854a2e06
fncache: remove the rewriting logic
Durham Goode <durham@fb.com>
parents:
19903
diff
changeset
|
508 fp.write(encodedir('\n'.join(self.entries) + '\n')) |
cd03854a2e06
fncache: remove the rewriting logic
Durham Goode <durham@fb.com>
parents:
19903
diff
changeset
|
509 fp.close() |
cd03854a2e06
fncache: remove the rewriting logic
Durham Goode <durham@fb.com>
parents:
19903
diff
changeset
|
510 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
|
511 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
|
512 # if we have just new entries, let's append them to the fncache |
0728d87a8631
store: append to fncache if there are only new files to write
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
40624
diff
changeset
|
513 tr.addbackup('fncache') |
0728d87a8631
store: append to fncache if there are only new files to write
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
40624
diff
changeset
|
514 fp = self.vfs('fncache', mode='ab', atomictemp=True) |
0728d87a8631
store: append to fncache if there are only new files to write
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
40624
diff
changeset
|
515 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
|
516 fp.write(encodedir('\n'.join(self.addls) + '\n')) |
0728d87a8631
store: append to fncache if there are only new files to write
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
40624
diff
changeset
|
517 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
|
518 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
|
519 self.addls = set() |
8530
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
520 |
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
521 def add(self, fn): |
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
522 if self.entries is None: |
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
523 self._load() |
10577
d5bd1beff794
store: only add new entries to the fncache file
Adrian Buehlmann <adrian@cadifra.com>
parents:
10339
diff
changeset
|
524 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
|
525 self.addls.add(fn) |
8530
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
526 |
20885
f49d60fa40a5
fncache: clean up fncache during strips
Durham Goode <durham@fb.com>
parents:
20884
diff
changeset
|
527 def remove(self, fn): |
f49d60fa40a5
fncache: clean up fncache during strips
Durham Goode <durham@fb.com>
parents:
20884
diff
changeset
|
528 if self.entries is None: |
f49d60fa40a5
fncache: clean up fncache during strips
Durham Goode <durham@fb.com>
parents:
20884
diff
changeset
|
529 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
|
530 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
|
531 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
|
532 return |
20885
f49d60fa40a5
fncache: clean up fncache during strips
Durham Goode <durham@fb.com>
parents:
20884
diff
changeset
|
533 try: |
f49d60fa40a5
fncache: clean up fncache during strips
Durham Goode <durham@fb.com>
parents:
20884
diff
changeset
|
534 self.entries.remove(fn) |
f49d60fa40a5
fncache: clean up fncache during strips
Durham Goode <durham@fb.com>
parents:
20884
diff
changeset
|
535 self._dirty = True |
f49d60fa40a5
fncache: clean up fncache during strips
Durham Goode <durham@fb.com>
parents:
20884
diff
changeset
|
536 except KeyError: |
f49d60fa40a5
fncache: clean up fncache during strips
Durham Goode <durham@fb.com>
parents:
20884
diff
changeset
|
537 pass |
f49d60fa40a5
fncache: clean up fncache during strips
Durham Goode <durham@fb.com>
parents:
20884
diff
changeset
|
538 |
17782
8095306c1fb2
store: move __contains__() implementation from class fncache into fncachestore
Adrian Buehlmann <adrian@cadifra.com>
parents:
17747
diff
changeset
|
539 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
|
540 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
|
541 return True |
8530
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
542 if self.entries is None: |
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
543 self._load() |
17782
8095306c1fb2
store: move __contains__() implementation from class fncache into fncachestore
Adrian Buehlmann <adrian@cadifra.com>
parents:
17747
diff
changeset
|
544 return fn in self.entries |
8530
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
545 |
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
546 def __iter__(self): |
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
547 if self.entries is None: |
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
548 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
|
549 return iter(self.entries | self.addls) |
7229
7946503ec76e
introduce fncache repository layout
Adrian Buehlmann <adrian@cadifra.com>
parents:
6989
diff
changeset
|
550 |
41093
6498f0e03526
vfs: fix proxyvfs inheritance
Boris Feld <boris.feld@octobus.net>
parents:
40748
diff
changeset
|
551 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
|
552 def __init__(self, vfs, fnc, encode): |
33412
a42369e04aee
vfs: rename auditvfs to proxyvfs
Yuya Nishihara <yuya@tcha.org>
parents:
32372
diff
changeset
|
553 vfsmod.proxyvfs.__init__(self, vfs) |
14194
3a90fb3addc1
store: break up reference cycle introduced in 9cbff8a39a2a
Adrian Buehlmann <adrian@cadifra.com>
parents:
14166
diff
changeset
|
554 self.fncache = fnc |
3a90fb3addc1
store: break up reference cycle introduced in 9cbff8a39a2a
Adrian Buehlmann <adrian@cadifra.com>
parents:
14166
diff
changeset
|
555 self.encode = encode |
3a90fb3addc1
store: break up reference cycle introduced in 9cbff8a39a2a
Adrian Buehlmann <adrian@cadifra.com>
parents:
14166
diff
changeset
|
556 |
3a90fb3addc1
store: break up reference cycle introduced in 9cbff8a39a2a
Adrian Buehlmann <adrian@cadifra.com>
parents:
14166
diff
changeset
|
557 def __call__(self, path, mode='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
|
558 encoded = self.encode(path) |
28007
fb92927f9775
treemanifests: fix streaming clone
Martin von Zweigbergk <martinvonz@google.com>
parents:
28006
diff
changeset
|
559 if mode not in ('r', 'rb') and (path.startswith('data/') or |
fb92927f9775
treemanifests: fix streaming clone
Martin von Zweigbergk <martinvonz@google.com>
parents:
28006
diff
changeset
|
560 path.startswith('meta/')): |
38661
8ac0c9cd4c48
fncache: avoid loading the filename cache when not actually modifying it
Martijn Pieters <mj@zopatista.com>
parents:
37409
diff
changeset
|
561 # 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
|
562 # known to exist. |
8ac0c9cd4c48
fncache: avoid loading the filename cache when not actually modifying it
Martijn Pieters <mj@zopatista.com>
parents:
37409
diff
changeset
|
563 notload = self.fncache.entries is None and self.vfs.exists(encoded) |
8ac0c9cd4c48
fncache: avoid loading the filename cache when not actually modifying it
Martijn Pieters <mj@zopatista.com>
parents:
37409
diff
changeset
|
564 if notload and 'a' in mode and not self.vfs.stat(encoded).st_size: |
8ac0c9cd4c48
fncache: avoid loading the filename cache when not actually modifying it
Martijn Pieters <mj@zopatista.com>
parents:
37409
diff
changeset
|
565 # 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
|
566 # 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
|
567 # 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
|
568 notload = False |
8ac0c9cd4c48
fncache: avoid loading the filename cache when not actually modifying it
Martijn Pieters <mj@zopatista.com>
parents:
37409
diff
changeset
|
569 if not notload: |
8ac0c9cd4c48
fncache: avoid loading the filename cache when not actually modifying it
Martijn Pieters <mj@zopatista.com>
parents:
37409
diff
changeset
|
570 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
|
571 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
|
572 |
17725
ffd589d4b785
vfs: define "join()" in each classes derived from "abstractvfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17724
diff
changeset
|
573 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
|
574 if path: |
ffd589d4b785
vfs: define "join()" in each classes derived from "abstractvfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17724
diff
changeset
|
575 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
|
576 else: |
ffd589d4b785
vfs: define "join()" in each classes derived from "abstractvfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17724
diff
changeset
|
577 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
|
578 |
7229
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introduce fncache repository layout
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parents:
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diff
changeset
|
579 class fncachestore(basicstore): |
17651
3b49c28658f6
store: rename "openertype" argument to "vfstype"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17649
diff
changeset
|
580 def __init__(self, path, vfstype, dotencode): |
17591
9a5c2ecd1158
store: move encode lambda logic into fncachestore
Adrian Buehlmann <adrian@cadifra.com>
parents:
17590
diff
changeset
|
581 if dotencode: |
18435
8c019d2fd7c0
store: switch to C-based hashed path encoding
Bryan O'Sullivan <bryano@fb.com>
parents:
18430
diff
changeset
|
582 encode = _pathencode |
17591
9a5c2ecd1158
store: move encode lambda logic into fncachestore
Adrian Buehlmann <adrian@cadifra.com>
parents:
17590
diff
changeset
|
583 else: |
9a5c2ecd1158
store: move encode lambda logic into fncachestore
Adrian Buehlmann <adrian@cadifra.com>
parents:
17590
diff
changeset
|
584 encode = _plainhybridencode |
12687
34d8247a4595
store: encode first period or space in filenames (issue1713)
Adrian Buehlmann <adrian@cadifra.com>
parents:
12171
diff
changeset
|
585 self.encode = encode |
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
|
586 vfs = vfstype(path + '/store') |
bf4b72d8dd4d
store: initialize vfs field first to use it for initialization of others
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17722
diff
changeset
|
587 self.path = vfs.base |
17562
b42b0729744d
store: reduce string concatenation when joining
Bryan O'Sullivan <bryano@fb.com>
parents:
17555
diff
changeset
|
588 self.pathsep = self.path + '/' |
17726
7cb7e17c23b2
store: invoke "os.stat()" for "createmode" initialization via vfs
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17725
diff
changeset
|
589 self.createmode = _calcmode(vfs) |
17652
2c6f7231becc
store: rename "op" variables to "vfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17651
diff
changeset
|
590 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
|
591 self.rawvfs = vfs |
17652
2c6f7231becc
store: rename "op" variables to "vfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17651
diff
changeset
|
592 fnc = fncache(vfs) |
9133
996c1cd8f530
store: eliminate reference cycle in fncachestore
Simon Heimberg <simohe@besonet.ch>
parents:
8778
diff
changeset
|
593 self.fncache = fnc |
17653
dacb50696b75
store: initialize "vfs" fields by "vfs" constructors
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17652
diff
changeset
|
594 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
|
595 self.opener = self.vfs |
7229
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parents:
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diff
changeset
|
596 |
7946503ec76e
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parents:
6989
diff
changeset
|
597 def join(self, f): |
17562
b42b0729744d
store: reduce string concatenation when joining
Bryan O'Sullivan <bryano@fb.com>
parents:
17555
diff
changeset
|
598 return self.pathsep + self.encode(f) |
7229
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parents:
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diff
changeset
|
599 |
17731
c85dbae29684
store: restore getsize method
Matt Mackall <mpm@selenic.com>
parents:
17728
diff
changeset
|
600 def getsize(self, path): |
c85dbae29684
store: restore getsize method
Matt Mackall <mpm@selenic.com>
parents:
17728
diff
changeset
|
601 return self.rawvfs.stat(path).st_size |
c85dbae29684
store: restore getsize method
Matt Mackall <mpm@selenic.com>
parents:
17728
diff
changeset
|
602 |
40340
2d45b549392f
store: pass matcher to store.datafiles()
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
39698
diff
changeset
|
603 def datafiles(self, matcher=None): |
17373
4cbb1137941d
store: sort the results of fncachestore.datafiles()
Bryan O'Sullivan <bryano@fb.com>
parents:
17249
diff
changeset
|
604 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
|
605 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
|
606 continue |
12687
34d8247a4595
store: encode first period or space in filenames (issue1713)
Adrian Buehlmann <adrian@cadifra.com>
parents:
12171
diff
changeset
|
607 ef = self.encode(f) |
7229
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parents:
6989
diff
changeset
|
608 try: |
17731
c85dbae29684
store: restore getsize method
Matt Mackall <mpm@selenic.com>
parents:
17728
diff
changeset
|
609 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
|
610 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
|
611 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
|
612 raise |
7229
7946503ec76e
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parents:
6989
diff
changeset
|
613 |
7946503ec76e
introduce fncache repository layout
Adrian Buehlmann <adrian@cadifra.com>
parents:
6989
diff
changeset
|
614 def copylist(self): |
38872
576eef1ab43d
narrow: move .hg/narrowspec to .hg/store/narrowspec (BC)
Martin von Zweigbergk <martinvonz@google.com>
parents:
38783
diff
changeset
|
615 d = ('narrowspec data meta dh fncache phaseroots obsstore' |
15742
65df60a3f96b
phases: prevent rebase to rebase immutable changeset.
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
15740
diff
changeset
|
616 ' 00manifest.d 00manifest.i 00changelog.d 00changelog.i') |
7229
7946503ec76e
introduce fncache repository layout
Adrian Buehlmann <adrian@cadifra.com>
parents:
6989
diff
changeset
|
617 return (['requires', '00changelog.i'] + |
13426
643b8212813e
store: remove pointless pathjoiner parameter
Adrian Buehlmann <adrian@cadifra.com>
parents:
13391
diff
changeset
|
618 ['store/' + f for f in d.split()]) |
7229
7946503ec76e
introduce fncache repository layout
Adrian Buehlmann <adrian@cadifra.com>
parents:
6989
diff
changeset
|
619 |
20883
cd443c7589cc
fncache: move fncache writing to be in a transaction
Durham Goode <durham@fb.com>
parents:
20879
diff
changeset
|
620 def write(self, tr): |
cd443c7589cc
fncache: move fncache writing to be in a transaction
Durham Goode <durham@fb.com>
parents:
20879
diff
changeset
|
621 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
|
622 |
20884
2efdd186925d
caches: invalidate store caches when lock is taken
Durham Goode <durham@fb.com>
parents:
20883
diff
changeset
|
623 def invalidatecaches(self): |
2efdd186925d
caches: invalidate store caches when lock is taken
Durham Goode <durham@fb.com>
parents:
20883
diff
changeset
|
624 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
|
625 self.fncache.addls = set() |
20884
2efdd186925d
caches: invalidate store caches when lock is taken
Durham Goode <durham@fb.com>
parents:
20883
diff
changeset
|
626 |
20885
f49d60fa40a5
fncache: clean up fncache during strips
Durham Goode <durham@fb.com>
parents:
20884
diff
changeset
|
627 def markremoved(self, fn): |
f49d60fa40a5
fncache: clean up fncache during strips
Durham Goode <durham@fb.com>
parents:
20884
diff
changeset
|
628 self.fncache.remove(fn) |
f49d60fa40a5
fncache: clean up fncache during strips
Durham Goode <durham@fb.com>
parents:
20884
diff
changeset
|
629 |
17783
df55ce6854c3
store: add new _exists helper function on fncachestore
Adrian Buehlmann <adrian@cadifra.com>
parents:
17782
diff
changeset
|
630 def _exists(self, f): |
df55ce6854c3
store: add new _exists helper function on fncachestore
Adrian Buehlmann <adrian@cadifra.com>
parents:
17782
diff
changeset
|
631 ef = self.encode(f) |
df55ce6854c3
store: add new _exists helper function on fncachestore
Adrian Buehlmann <adrian@cadifra.com>
parents:
17782
diff
changeset
|
632 try: |
df55ce6854c3
store: add new _exists helper function on fncachestore
Adrian Buehlmann <adrian@cadifra.com>
parents:
17782
diff
changeset
|
633 self.getsize(ef) |
df55ce6854c3
store: add new _exists helper function on fncachestore
Adrian Buehlmann <adrian@cadifra.com>
parents:
17782
diff
changeset
|
634 return True |
25660
328739ea70c3
global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25658
diff
changeset
|
635 except OSError as err: |
17783
df55ce6854c3
store: add new _exists helper function on fncachestore
Adrian Buehlmann <adrian@cadifra.com>
parents:
17782
diff
changeset
|
636 if err.errno != errno.ENOENT: |
df55ce6854c3
store: add new _exists helper function on fncachestore
Adrian Buehlmann <adrian@cadifra.com>
parents:
17782
diff
changeset
|
637 raise |
df55ce6854c3
store: add new _exists helper function on fncachestore
Adrian Buehlmann <adrian@cadifra.com>
parents:
17782
diff
changeset
|
638 # nonexistent entry |
df55ce6854c3
store: add new _exists helper function on fncachestore
Adrian Buehlmann <adrian@cadifra.com>
parents:
17782
diff
changeset
|
639 return False |
df55ce6854c3
store: add new _exists helper function on fncachestore
Adrian Buehlmann <adrian@cadifra.com>
parents:
17782
diff
changeset
|
640 |
17745 | 641 def __contains__(self, path): |
642 '''Checks if the store contains path''' | |
643 path = "/".join(("data", path)) | |
17782
8095306c1fb2
store: move __contains__() implementation from class fncache into fncachestore
Adrian Buehlmann <adrian@cadifra.com>
parents:
17747
diff
changeset
|
644 # check for files (exact match) |
17784
73e1ab39792c
store: fncache may contain non-existent entries (fixes b9a56b816ff2)
Adrian Buehlmann <adrian@cadifra.com>
parents:
17783
diff
changeset
|
645 e = path + '.i' |
73e1ab39792c
store: fncache may contain non-existent entries (fixes b9a56b816ff2)
Adrian Buehlmann <adrian@cadifra.com>
parents:
17783
diff
changeset
|
646 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
|
647 return True |
8095306c1fb2
store: move __contains__() implementation from class fncache into fncachestore
Adrian Buehlmann <adrian@cadifra.com>
parents:
17747
diff
changeset
|
648 # now check for directories (prefix match) |
8095306c1fb2
store: move __contains__() implementation from class fncache into fncachestore
Adrian Buehlmann <adrian@cadifra.com>
parents:
17747
diff
changeset
|
649 if not path.endswith('/'): |
8095306c1fb2
store: move __contains__() implementation from class fncache into fncachestore
Adrian Buehlmann <adrian@cadifra.com>
parents:
17747
diff
changeset
|
650 path += '/' |
8095306c1fb2
store: move __contains__() implementation from class fncache into fncachestore
Adrian Buehlmann <adrian@cadifra.com>
parents:
17747
diff
changeset
|
651 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
|
652 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
|
653 return True |
8095306c1fb2
store: move __contains__() implementation from class fncache into fncachestore
Adrian Buehlmann <adrian@cadifra.com>
parents:
17747
diff
changeset
|
654 return False |