Mercurial > hg
annotate mercurial/store.py @ 32129:f0ea0f642627
py3: make posix.getuser return a bytes
author | Pulkit Goyal <7895pulkit@gmail.com> |
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date | Fri, 21 Apr 2017 00:53:38 +0530 |
parents | 50cd81346ad4 |
children | df448de7cf3b |
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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 hashlib |
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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 . import ( |
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17 error, |
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18 parsers, |
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19 pycompat, |
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20 util, |
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21 vfs as vfsmod, |
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22 ) |
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23 |
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24 # This avoids a collision between a file named foo and a dir named |
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25 # foo.i or foo.d |
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26 def _encodedir(path): |
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27 ''' |
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28 >>> _encodedir('data/foo.i') |
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29 'data/foo.i' |
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30 >>> _encodedir('data/foo.i/bla.i') |
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31 'data/foo.i.hg/bla.i' |
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32 >>> _encodedir('data/foo.i.hg/bla.i') |
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33 'data/foo.i.hg.hg/bla.i' |
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34 >>> _encodedir('data/foo.i\\ndata/foo.i/bla.i\\ndata/foo.i.hg/bla.i\\n') |
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35 'data/foo.i\\ndata/foo.i.hg/bla.i\\ndata/foo.i.hg.hg/bla.i\\n' |
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36 ''' |
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37 return (path |
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38 .replace(".hg/", ".hg.hg/") |
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39 .replace(".i/", ".i.hg/") |
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40 .replace(".d/", ".d.hg/")) |
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41 |
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42 encodedir = getattr(parsers, 'encodedir', _encodedir) |
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43 |
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44 def decodedir(path): |
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45 ''' |
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46 >>> decodedir('data/foo.i') |
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47 'data/foo.i' |
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48 >>> decodedir('data/foo.i.hg/bla.i') |
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49 'data/foo.i/bla.i' |
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50 >>> decodedir('data/foo.i.hg.hg/bla.i') |
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51 'data/foo.i.hg/bla.i' |
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52 ''' |
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53 if ".hg/" not in path: |
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54 return path |
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55 return (path |
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56 .replace(".d.hg/", ".d/") |
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57 .replace(".i.hg/", ".i/") |
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58 .replace(".hg.hg/", ".hg/")) |
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59 |
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60 def _reserved(): |
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61 ''' characters that are problematic for filesystems |
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62 |
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63 * ascii escapes (0..31) |
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64 * ascii hi (126..255) |
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65 * windows specials |
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66 |
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67 these characters will be escaped by encodefunctions |
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68 ''' |
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69 winreserved = [ord(x) for x in u'\\:*?"<>|'] |
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70 for x in range(32): |
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71 yield x |
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72 for x in range(126, 256): |
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73 yield x |
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74 for x in winreserved: |
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75 yield x |
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76 |
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77 def _buildencodefun(): |
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78 ''' |
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79 >>> enc, dec = _buildencodefun() |
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80 |
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81 >>> enc('nothing/special.txt') |
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82 'nothing/special.txt' |
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83 >>> dec('nothing/special.txt') |
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84 'nothing/special.txt' |
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85 |
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86 >>> enc('HELLO') |
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87 '_h_e_l_l_o' |
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88 >>> dec('_h_e_l_l_o') |
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89 'HELLO' |
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90 |
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91 >>> enc('hello:world?') |
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92 'hello~3aworld~3f' |
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93 >>> dec('hello~3aworld~3f') |
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94 'hello:world?' |
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95 |
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96 >>> enc('the\x07quick\xADshot') |
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97 'the~07quick~adshot' |
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98 >>> dec('the~07quick~adshot') |
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99 'the\\x07quick\\xadshot' |
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100 ''' |
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101 e = '_' |
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102 xchr = pycompat.bytechr |
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103 asciistr = list(map(xchr, range(127))) |
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104 capitals = list(range(ord("A"), ord("Z") + 1)) |
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105 |
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106 cmap = dict((x, x) for x in asciistr) |
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107 for x in _reserved(): |
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108 cmap[xchr(x)] = "~%02x" % x |
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109 for x in capitals + [ord(e)]: |
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110 cmap[xchr(x)] = e + xchr(x).lower() |
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111 |
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112 dmap = {} |
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113 for k, v in cmap.iteritems(): |
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114 dmap[v] = k |
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115 def decode(s): |
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116 i = 0 |
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117 while i < len(s): |
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118 for l in xrange(1, 4): |
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119 try: |
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120 yield dmap[s[i:i + l]] |
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121 i += l |
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122 break |
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123 except KeyError: |
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124 pass |
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125 else: |
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126 raise KeyError |
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127 return (lambda s: ''.join([cmap[s[c:c + 1]] for c in xrange(len(s))]), |
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128 lambda s: ''.join(list(decode(s)))) |
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129 |
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130 _encodefname, _decodefname = _buildencodefun() |
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131 |
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132 def encodefilename(s): |
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133 ''' |
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134 >>> encodefilename('foo.i/bar.d/bla.hg/hi:world?/HELLO') |
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135 'foo.i.hg/bar.d.hg/bla.hg.hg/hi~3aworld~3f/_h_e_l_l_o' |
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136 ''' |
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137 return _encodefname(encodedir(s)) |
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138 |
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139 def decodefilename(s): |
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140 ''' |
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141 >>> decodefilename('foo.i.hg/bar.d.hg/bla.hg.hg/hi~3aworld~3f/_h_e_l_l_o') |
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142 'foo.i/bar.d/bla.hg/hi:world?/HELLO' |
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143 ''' |
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144 return decodedir(_decodefname(s)) |
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145 |
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146 def _buildlowerencodefun(): |
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147 ''' |
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148 >>> f = _buildlowerencodefun() |
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149 >>> f('nothing/special.txt') |
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150 'nothing/special.txt' |
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151 >>> f('HELLO') |
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152 'hello' |
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153 >>> f('hello:world?') |
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154 'hello~3aworld~3f' |
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155 >>> f('the\x07quick\xADshot') |
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156 'the~07quick~adshot' |
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157 ''' |
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158 cmap = dict([(chr(x), chr(x)) for x in xrange(127)]) |
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159 for x in _reserved(): |
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160 cmap[chr(x)] = "~%02x" % x |
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161 for x in range(ord("A"), ord("Z") + 1): |
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162 cmap[chr(x)] = chr(x).lower() |
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163 return lambda s: "".join([cmap[c] for c in s]) |
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164 |
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165 lowerencode = getattr(parsers, 'lowerencode', None) or _buildlowerencodefun() |
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166 |
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167 # Windows reserved names: con, prn, aux, nul, com1..com9, lpt1..lpt9 |
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168 _winres3 = ('aux', 'con', 'prn', 'nul') # length 3 |
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169 _winres4 = ('com', 'lpt') # length 4 (with trailing 1..9) |
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170 def _auxencode(path, dotencode): |
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171 ''' |
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172 Encodes filenames containing names reserved by Windows or which end in |
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173 period or space. Does not touch other single reserved characters c. |
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174 Specifically, c in '\\:*?"<>|' or ord(c) <= 31 are *not* encoded here. |
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175 Additionally encodes space or period at the beginning, if dotencode is |
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176 True. Parameter path is assumed to be all lowercase. |
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177 A segment only needs encoding if a reserved name appears as a |
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178 basename (e.g. "aux", "aux.foo"). A directory or file named "foo.aux" |
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179 doesn't need encoding. |
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180 |
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181 >>> s = '.foo/aux.txt/txt.aux/con/prn/nul/foo.' |
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182 >>> _auxencode(s.split('/'), True) |
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183 ['~2efoo', 'au~78.txt', 'txt.aux', 'co~6e', 'pr~6e', 'nu~6c', 'foo~2e'] |
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184 >>> s = '.com1com2/lpt9.lpt4.lpt1/conprn/com0/lpt0/foo.' |
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185 >>> _auxencode(s.split('/'), False) |
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186 ['.com1com2', 'lp~749.lpt4.lpt1', 'conprn', 'com0', 'lpt0', 'foo~2e'] |
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187 >>> _auxencode(['foo. '], True) |
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188 ['foo.~20'] |
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189 >>> _auxencode([' .foo'], True) |
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190 ['~20.foo'] |
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191 ''' |
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192 for i, n in enumerate(path): |
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193 if not n: |
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194 continue |
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195 if dotencode and n[0] in '. ': |
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196 n = "~%02x" % ord(n[0:1]) + n[1:] |
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197 path[i] = n |
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198 else: |
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199 l = n.find('.') |
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200 if l == -1: |
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201 l = len(n) |
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202 if ((l == 3 and n[:3] in _winres3) or |
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203 (l == 4 and n[3:4] <= '9' and n[3:4] >= '1' |
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204 and n[:3] in _winres4)): |
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205 # encode third letter ('aux' -> 'au~78') |
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206 ec = "~%02x" % ord(n[2:3]) |
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207 n = n[0:2] + ec + n[3:] |
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208 path[i] = n |
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209 if n[-1] in '. ': |
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210 # encode last period or space ('foo...' -> 'foo..~2e') |
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211 path[i] = n[:-1] + "~%02x" % ord(n[-1:]) |
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212 return path |
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213 |
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214 _maxstorepathlen = 120 |
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215 _dirprefixlen = 8 |
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216 _maxshortdirslen = 8 * (_dirprefixlen + 1) - 4 |
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217 |
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218 def _hashencode(path, dotencode): |
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219 digest = hashlib.sha1(path).hexdigest() |
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220 le = lowerencode(path[5:]).split('/') # skips prefix 'data/' or 'meta/' |
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221 parts = _auxencode(le, dotencode) |
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222 basename = parts[-1] |
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223 _root, ext = os.path.splitext(basename) |
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224 sdirs = [] |
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225 sdirslen = 0 |
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226 for p in parts[:-1]: |
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227 d = p[:_dirprefixlen] |
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228 if d[-1] in '. ': |
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229 # Windows can't access dirs ending in period or space |
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230 d = d[:-1] + '_' |
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231 if sdirslen == 0: |
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232 t = len(d) |
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233 else: |
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234 t = sdirslen + 1 + len(d) |
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235 if t > _maxshortdirslen: |
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236 break |
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237 sdirs.append(d) |
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238 sdirslen = t |
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239 dirs = '/'.join(sdirs) |
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240 if len(dirs) > 0: |
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241 dirs += '/' |
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242 res = 'dh/' + dirs + digest + ext |
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243 spaceleft = _maxstorepathlen - len(res) |
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244 if spaceleft > 0: |
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245 filler = basename[:spaceleft] |
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246 res = 'dh/' + dirs + filler + digest + ext |
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247 return res |
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248 |
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249 def _hybridencode(path, dotencode): |
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250 '''encodes path with a length limit |
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251 |
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252 Encodes all paths that begin with 'data/', according to the following. |
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253 |
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254 Default encoding (reversible): |
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255 |
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256 Encodes all uppercase letters 'X' as '_x'. All reserved or illegal |
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257 characters are encoded as '~xx', where xx is the two digit hex code |
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258 of the character (see encodefilename). |
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259 Relevant path components consisting of Windows reserved filenames are |
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260 masked by encoding the third character ('aux' -> 'au~78', see _auxencode). |
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261 |
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262 Hashed encoding (not reversible): |
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263 |
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264 If the default-encoded path is longer than _maxstorepathlen, a |
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265 non-reversible hybrid hashing of the path is done instead. |
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266 This encoding uses up to _dirprefixlen characters of all directory |
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267 levels of the lowerencoded path, but not more levels than can fit into |
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268 _maxshortdirslen. |
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269 Then follows the filler followed by the sha digest of the full path. |
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270 The filler is the beginning of the basename of the lowerencoded path |
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271 (the basename is everything after the last path separator). The filler |
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272 is as long as possible, filling in characters from the basename until |
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273 the encoded path has _maxstorepathlen characters (or all chars of the |
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274 basename have been taken). |
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275 The extension (e.g. '.i' or '.d') is preserved. |
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276 |
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277 The string 'data/' at the beginning is replaced with 'dh/', if the hashed |
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278 encoding was used. |
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279 ''' |
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280 path = encodedir(path) |
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281 ef = _encodefname(path).split('/') |
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282 res = '/'.join(_auxencode(ef, dotencode)) |
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283 if len(res) > _maxstorepathlen: |
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284 res = _hashencode(path, dotencode) |
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285 return res |
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286 |
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287 def _pathencode(path): |
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288 de = encodedir(path) |
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289 if len(path) > _maxstorepathlen: |
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290 return _hashencode(de, True) |
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291 ef = _encodefname(de).split('/') |
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292 res = '/'.join(_auxencode(ef, True)) |
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293 if len(res) > _maxstorepathlen: |
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294 return _hashencode(de, True) |
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295 return res |
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296 |
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297 _pathencode = getattr(parsers, 'pathencode', _pathencode) |
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298 |
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299 def _plainhybridencode(f): |
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300 return _hybridencode(f, False) |
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301 |
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302 def _calcmode(vfs): |
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303 try: |
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304 # files in .hg/ will be created using this mode |
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305 mode = vfs.stat().st_mode |
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306 # avoid some useless chmods |
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307 if (0o777 & ~util.umask) == (0o777 & mode): |
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308 mode = None |
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309 except OSError: |
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310 mode = None |
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311 return mode |
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312 |
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313 _data = ('data meta 00manifest.d 00manifest.i 00changelog.d 00changelog.i' |
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314 ' phaseroots obsstore') |
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315 |
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316 class basicstore(object): |
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317 '''base class for local repository stores''' |
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318 def __init__(self, path, vfstype): |
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319 vfs = vfstype(path) |
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320 self.path = vfs.base |
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321 self.createmode = _calcmode(vfs) |
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322 vfs.createmode = self.createmode |
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323 self.rawvfs = vfs |
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324 self.vfs = vfsmod.filtervfs(vfs, encodedir) |
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325 self.opener = self.vfs |
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326 |
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327 def join(self, f): |
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328 return self.path + '/' + encodedir(f) |
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329 |
6899 | 330 def _walk(self, relpath, recurse): |
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331 '''yields (unencoded, encoded, size)''' |
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332 path = self.path |
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333 if relpath: |
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334 path += '/' + relpath |
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335 striplen = len(self.path) + 1 |
6899 | 336 l = [] |
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337 if self.rawvfs.isdir(path): |
6899 | 338 visit = [path] |
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339 readdir = self.rawvfs.readdir |
6899 | 340 while visit: |
341 p = visit.pop() | |
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342 for f, kind, st in readdir(p, stat=True): |
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diff
changeset
|
343 fp = p + '/' + f |
6899 | 344 if kind == stat.S_IFREG and f[-2:] in ('.d', '.i'): |
6900
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345 n = util.pconvert(fp[striplen:]) |
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346 l.append((decodedir(n), n, st.st_size)) |
6899 | 347 elif kind == stat.S_IFDIR and recurse: |
348 visit.append(fp) | |
17054
125ff5654b72
store: sort filenames in place
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diff
changeset
|
349 l.sort() |
125ff5654b72
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350 return l |
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351 |
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352 def datafiles(self): |
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353 return self._walk('data', True) + self._walk('meta', True) |
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354 |
19177
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store: move top file walk to a separate function
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355 def topfiles(self): |
1e104aaa4c44
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356 # yield manifest before changelog |
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357 return reversed(self._walk('', False)) |
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358 |
6840
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359 def walk(self): |
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360 '''yields (unencoded, encoded, size)''' |
6840
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361 # yield data files first |
6892
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diff
changeset
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362 for x in self.datafiles(): |
6840
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363 yield x |
19177
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364 for x in self.topfiles(): |
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365 yield x |
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366 |
6903
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367 def copylist(self): |
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368 return ['requires'] + _data.split() |
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369 |
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370 def write(self, tr): |
13391
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fncachestore: defer updating the fncache file to a single file open
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371 pass |
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|
372 |
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373 def invalidatecaches(self): |
2efdd186925d
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374 pass |
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|
375 |
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376 def markremoved(self, fn): |
f49d60fa40a5
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377 pass |
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|
378 |
17744 | 379 def __contains__(self, path): |
380 '''Checks if the store contains path''' | |
381 path = "/".join(("data", path)) | |
382 # file? | |
19903
ca875b271ac3
store: use "vfs.exists()" instead of "os.path.exists()"
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parents:
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diff
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383 if self.vfs.exists(path + ".i"): |
17744 | 384 return True |
385 # dir? | |
386 if not path.endswith("/"): | |
387 path = path + "/" | |
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ca875b271ac3
store: use "vfs.exists()" instead of "os.path.exists()"
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diff
changeset
|
388 return self.vfs.exists(path) |
17744 | 389 |
6898
69aeaaaf6e07
store: simplify class hierarchy
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parents:
6897
diff
changeset
|
390 class encodedstore(basicstore): |
17651
3b49c28658f6
store: rename "openertype" argument to "vfstype"
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parents:
17649
diff
changeset
|
391 def __init__(self, path, vfstype): |
17724
bf4b72d8dd4d
store: initialize vfs field first to use it for initialization of others
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17722
diff
changeset
|
392 vfs = vfstype(path + '/store') |
bf4b72d8dd4d
store: initialize vfs field first to use it for initialization of others
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parents:
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diff
changeset
|
393 self.path = vfs.base |
17726
7cb7e17c23b2
store: invoke "os.stat()" for "createmode" initialization via vfs
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parents:
17725
diff
changeset
|
394 self.createmode = _calcmode(vfs) |
17652
2c6f7231becc
store: rename "op" variables to "vfs"
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parents:
17651
diff
changeset
|
395 vfs.createmode = self.createmode |
17728
004bd533880d
store: invoke "os.path.isdir()" via vfs
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parents:
17727
diff
changeset
|
396 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
|
397 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
|
398 self.opener = self.vfs |
6840
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changeset
|
399 |
6900
def492d1b592
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diff
changeset
|
400 def datafiles(self): |
28007
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diff
changeset
|
401 for a, b, size in super(encodedstore, self).datafiles(): |
6892
dab95717058d
verify: check repo.store
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parents:
6890
diff
changeset
|
402 try: |
6900
def492d1b592
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6899
diff
changeset
|
403 a = decodefilename(a) |
6892
dab95717058d
verify: check repo.store
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parents:
6890
diff
changeset
|
404 except KeyError: |
6900
def492d1b592
store: change handling of decoding errors
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parents:
6899
diff
changeset
|
405 a = None |
def492d1b592
store: change handling of decoding errors
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6899
diff
changeset
|
406 yield a, b, size |
6840
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diff
changeset
|
407 |
80e51429cb9a
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diff
changeset
|
408 def join(self, f): |
13426
643b8212813e
store: remove pointless pathjoiner parameter
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parents:
13391
diff
changeset
|
409 return self.path + '/' + encodefilename(f) |
6840
80e51429cb9a
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diff
changeset
|
410 |
6903
0642d9d7ec80
clone: get a list of files to clone from store
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parents:
6902
diff
changeset
|
411 def copylist(self): |
0642d9d7ec80
clone: get a list of files to clone from store
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parents:
6902
diff
changeset
|
412 return (['requires', '00changelog.i'] + |
13426
643b8212813e
store: remove pointless pathjoiner parameter
Adrian Buehlmann <adrian@cadifra.com>
parents:
13391
diff
changeset
|
413 ['store/' + f for f in _data.split()]) |
6903
0642d9d7ec80
clone: get a list of files to clone from store
Matt Mackall <mpm@selenic.com>
parents:
6902
diff
changeset
|
414 |
8530
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
415 class fncache(object): |
8531
810387f59696
filelog encoding: move the encoding/decoding into store
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parents:
8530
diff
changeset
|
416 # the filename used to be partially encoded |
810387f59696
filelog encoding: move the encoding/decoding into store
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parents:
8530
diff
changeset
|
417 # 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
|
418 def __init__(self, vfs): |
3b976051034d
store: rename field name from "opener" to "vfs" in internal classes for fncache
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parents:
17721
diff
changeset
|
419 self.vfs = vfs |
7229
7946503ec76e
introduce fncache repository layout
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6989
diff
changeset
|
420 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
|
421 self._dirty = False |
7229
7946503ec76e
introduce fncache repository layout
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parents:
6989
diff
changeset
|
422 |
8530
03196ac9a8b9
store: refactor the fncache handling
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8480
diff
changeset
|
423 def _load(self): |
03196ac9a8b9
store: refactor the fncache handling
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8480
diff
changeset
|
424 '''fill the entries from the fncache file''' |
13391
d00bbff8600e
fncachestore: defer updating the fncache file to a single file open
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parents:
13169
diff
changeset
|
425 self._dirty = False |
8530
03196ac9a8b9
store: refactor the fncache handling
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8480
diff
changeset
|
426 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
|
427 fp = self.vfs('fncache', mode='rb') |
8530
03196ac9a8b9
store: refactor the fncache handling
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8480
diff
changeset
|
428 except IOError: |
03196ac9a8b9
store: refactor the fncache handling
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parents:
8480
diff
changeset
|
429 # 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
|
430 self.entries = set() |
8530
03196ac9a8b9
store: refactor the fncache handling
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8480
diff
changeset
|
431 return |
17604
bf9894889d82
store: optimize fncache._load a bit by dirdecoding the contents in one go
Adrian Buehlmann <adrian@cadifra.com>
parents:
17592
diff
changeset
|
432 self.entries = set(decodedir(fp.read()).splitlines()) |
16404
9fca5b056c0a
store: speed up read and write of large fncache files
Bryan O'Sullivan <bryano@fb.com>
parents:
15742
diff
changeset
|
433 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
|
434 fp.seek(0) |
30398 | 435 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
|
436 if not line.rstrip('\n'): |
26778
a95c975f42e3
l10n: use %d instead of %s for numbers
timeless@mozdev.org
parents:
26587
diff
changeset
|
437 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
|
438 raise error.Abort(t) |
8530
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
439 fp.close() |
7229
7946503ec76e
introduce fncache repository layout
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6989
diff
changeset
|
440 |
20883
cd443c7589cc
fncache: move fncache writing to be in a transaction
Durham Goode <durham@fb.com>
parents:
20879
diff
changeset
|
441 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
|
442 if self._dirty: |
20883
cd443c7589cc
fncache: move fncache writing to be in a transaction
Durham Goode <durham@fb.com>
parents:
20879
diff
changeset
|
443 tr.addbackup('fncache') |
20879
cd03854a2e06
fncache: remove the rewriting logic
Durham Goode <durham@fb.com>
parents:
19903
diff
changeset
|
444 fp = self.vfs('fncache', mode='wb', atomictemp=True) |
cd03854a2e06
fncache: remove the rewriting logic
Durham Goode <durham@fb.com>
parents:
19903
diff
changeset
|
445 if self.entries: |
cd03854a2e06
fncache: remove the rewriting logic
Durham Goode <durham@fb.com>
parents:
19903
diff
changeset
|
446 fp.write(encodedir('\n'.join(self.entries) + '\n')) |
cd03854a2e06
fncache: remove the rewriting logic
Durham Goode <durham@fb.com>
parents:
19903
diff
changeset
|
447 fp.close() |
cd03854a2e06
fncache: remove the rewriting logic
Durham Goode <durham@fb.com>
parents:
19903
diff
changeset
|
448 self._dirty = False |
8530
03196ac9a8b9
store: refactor the fncache handling
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8480
diff
changeset
|
449 |
03196ac9a8b9
store: refactor the fncache handling
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8480
diff
changeset
|
450 def add(self, fn): |
03196ac9a8b9
store: refactor the fncache handling
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8480
diff
changeset
|
451 if self.entries is None: |
03196ac9a8b9
store: refactor the fncache handling
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parents:
8480
diff
changeset
|
452 self._load() |
10577
d5bd1beff794
store: only add new entries to the fncache file
Adrian Buehlmann <adrian@cadifra.com>
parents:
10339
diff
changeset
|
453 if fn not in self.entries: |
13391
d00bbff8600e
fncachestore: defer updating the fncache file to a single file open
Adrian Buehlmann <adrian@cadifra.com>
parents:
13169
diff
changeset
|
454 self._dirty = True |
10577
d5bd1beff794
store: only add new entries to the fncache file
Adrian Buehlmann <adrian@cadifra.com>
parents:
10339
diff
changeset
|
455 self.entries.add(fn) |
8530
03196ac9a8b9
store: refactor the fncache handling
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parents:
8480
diff
changeset
|
456 |
20885
f49d60fa40a5
fncache: clean up fncache during strips
Durham Goode <durham@fb.com>
parents:
20884
diff
changeset
|
457 def remove(self, fn): |
f49d60fa40a5
fncache: clean up fncache during strips
Durham Goode <durham@fb.com>
parents:
20884
diff
changeset
|
458 if self.entries is None: |
f49d60fa40a5
fncache: clean up fncache during strips
Durham Goode <durham@fb.com>
parents:
20884
diff
changeset
|
459 self._load() |
f49d60fa40a5
fncache: clean up fncache during strips
Durham Goode <durham@fb.com>
parents:
20884
diff
changeset
|
460 try: |
f49d60fa40a5
fncache: clean up fncache during strips
Durham Goode <durham@fb.com>
parents:
20884
diff
changeset
|
461 self.entries.remove(fn) |
f49d60fa40a5
fncache: clean up fncache during strips
Durham Goode <durham@fb.com>
parents:
20884
diff
changeset
|
462 self._dirty = True |
f49d60fa40a5
fncache: clean up fncache during strips
Durham Goode <durham@fb.com>
parents:
20884
diff
changeset
|
463 except KeyError: |
f49d60fa40a5
fncache: clean up fncache during strips
Durham Goode <durham@fb.com>
parents:
20884
diff
changeset
|
464 pass |
f49d60fa40a5
fncache: clean up fncache during strips
Durham Goode <durham@fb.com>
parents:
20884
diff
changeset
|
465 |
17782
8095306c1fb2
store: move __contains__() implementation from class fncache into fncachestore
Adrian Buehlmann <adrian@cadifra.com>
parents:
17747
diff
changeset
|
466 def __contains__(self, fn): |
8530
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
467 if self.entries is None: |
03196ac9a8b9
store: refactor the fncache handling
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468 self._load() |
17782
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changeset
|
469 return fn in self.entries |
8530
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470 |
03196ac9a8b9
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changeset
|
471 def __iter__(self): |
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472 if self.entries is None: |
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473 self._load() |
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474 return iter(self.entries) |
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|
475 |
31234
9b7a2ef4f27c
vfs: use 'vfs' module directly in 'mercurial.store'
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
31219
diff
changeset
|
476 class _fncachevfs(vfsmod.abstractvfs, vfsmod.auditvfs): |
17721
cf236e3501c3
store: rename argument name from "op"(ener) to "vfs"
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parents:
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diff
changeset
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477 def __init__(self, vfs, fnc, encode): |
31234
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vfs: use 'vfs' module directly in 'mercurial.store'
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changeset
|
478 vfsmod.auditvfs.__init__(self, vfs) |
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479 self.fncache = fnc |
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480 self.encode = encode |
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changeset
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481 |
3a90fb3addc1
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parents:
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changeset
|
482 def __call__(self, path, mode='r', *args, **kw): |
28007
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treemanifests: fix streaming clone
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
changeset
|
483 if mode not in ('r', 'rb') and (path.startswith('data/') or |
fb92927f9775
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Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
changeset
|
484 path.startswith('meta/')): |
14194
3a90fb3addc1
store: break up reference cycle introduced in 9cbff8a39a2a
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parents:
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changeset
|
485 self.fncache.add(path) |
17722
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store: rename field name from "opener" to "vfs" in internal classes for fncache
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parents:
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diff
changeset
|
486 return self.vfs(self.encode(path), mode, *args, **kw) |
14194
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parents:
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changeset
|
487 |
17725
ffd589d4b785
vfs: define "join()" in each classes derived from "abstractvfs"
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parents:
17724
diff
changeset
|
488 def join(self, path): |
ffd589d4b785
vfs: define "join()" in each classes derived from "abstractvfs"
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parents:
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diff
changeset
|
489 if path: |
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vfs: define "join()" in each classes derived from "abstractvfs"
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parents:
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changeset
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490 return self.vfs.join(self.encode(path)) |
ffd589d4b785
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parents:
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diff
changeset
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491 else: |
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parents:
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diff
changeset
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492 return self.vfs.join(path) |
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parents:
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diff
changeset
|
493 |
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494 class fncachestore(basicstore): |
17651
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
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changeset
|
495 def __init__(self, path, vfstype, dotencode): |
17591
9a5c2ecd1158
store: move encode lambda logic into fncachestore
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parents:
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diff
changeset
|
496 if dotencode: |
18435
8c019d2fd7c0
store: switch to C-based hashed path encoding
Bryan O'Sullivan <bryano@fb.com>
parents:
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diff
changeset
|
497 encode = _pathencode |
17591
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parents:
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498 else: |
9a5c2ecd1158
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parents:
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diff
changeset
|
499 encode = _plainhybridencode |
12687
34d8247a4595
store: encode first period or space in filenames (issue1713)
Adrian Buehlmann <adrian@cadifra.com>
parents:
12171
diff
changeset
|
500 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
|
501 vfs = vfstype(path + '/store') |
bf4b72d8dd4d
store: initialize vfs field first to use it for initialization of others
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parents:
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diff
changeset
|
502 self.path = vfs.base |
17562
b42b0729744d
store: reduce string concatenation when joining
Bryan O'Sullivan <bryano@fb.com>
parents:
17555
diff
changeset
|
503 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
|
504 self.createmode = _calcmode(vfs) |
17652
2c6f7231becc
store: rename "op" variables to "vfs"
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parents:
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diff
changeset
|
505 vfs.createmode = self.createmode |
17727
6492b39a44d5
store: replace invocation of "getsize()" by "vfs.stat()"
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parents:
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diff
changeset
|
506 self.rawvfs = vfs |
17652
2c6f7231becc
store: rename "op" variables to "vfs"
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parents:
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diff
changeset
|
507 fnc = fncache(vfs) |
9133
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store: eliminate reference cycle in fncachestore
Simon Heimberg <simohe@besonet.ch>
parents:
8778
diff
changeset
|
508 self.fncache = fnc |
17653
dacb50696b75
store: initialize "vfs" fields by "vfs" constructors
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parents:
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diff
changeset
|
509 self.vfs = _fncachevfs(vfs, fnc, encode) |
dacb50696b75
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parents:
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diff
changeset
|
510 self.opener = self.vfs |
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changeset
|
511 |
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changeset
|
512 def join(self, f): |
17562
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parents:
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diff
changeset
|
513 return self.pathsep + self.encode(f) |
7229
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diff
changeset
|
514 |
17731
c85dbae29684
store: restore getsize method
Matt Mackall <mpm@selenic.com>
parents:
17728
diff
changeset
|
515 def getsize(self, path): |
c85dbae29684
store: restore getsize method
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parents:
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diff
changeset
|
516 return self.rawvfs.stat(path).st_size |
c85dbae29684
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parents:
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diff
changeset
|
517 |
7229
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changeset
|
518 def datafiles(self): |
17373
4cbb1137941d
store: sort the results of fncachestore.datafiles()
Bryan O'Sullivan <bryano@fb.com>
parents:
17249
diff
changeset
|
519 for f in sorted(self.fncache): |
12687
34d8247a4595
store: encode first period or space in filenames (issue1713)
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parents:
12171
diff
changeset
|
520 ef = self.encode(f) |
7229
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changeset
|
521 try: |
17731
c85dbae29684
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parents:
17728
diff
changeset
|
522 yield f, ef, self.getsize(ef) |
25660
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global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
523 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
|
524 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
|
525 raise |
7229
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diff
changeset
|
526 |
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diff
changeset
|
527 def copylist(self): |
28006
bb45190a54b7
treemanifests: fix local clone
Martin von Zweigbergk <martinvonz@google.com>
parents:
27480
diff
changeset
|
528 d = ('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
|
529 ' 00manifest.d 00manifest.i 00changelog.d 00changelog.i') |
7229
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changeset
|
530 return (['requires', '00changelog.i'] + |
13426
643b8212813e
store: remove pointless pathjoiner parameter
Adrian Buehlmann <adrian@cadifra.com>
parents:
13391
diff
changeset
|
531 ['store/' + f for f in d.split()]) |
7229
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diff
changeset
|
532 |
20883
cd443c7589cc
fncache: move fncache writing to be in a transaction
Durham Goode <durham@fb.com>
parents:
20879
diff
changeset
|
533 def write(self, tr): |
cd443c7589cc
fncache: move fncache writing to be in a transaction
Durham Goode <durham@fb.com>
parents:
20879
diff
changeset
|
534 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
|
535 |
20884
2efdd186925d
caches: invalidate store caches when lock is taken
Durham Goode <durham@fb.com>
parents:
20883
diff
changeset
|
536 def invalidatecaches(self): |
2efdd186925d
caches: invalidate store caches when lock is taken
Durham Goode <durham@fb.com>
parents:
20883
diff
changeset
|
537 self.fncache.entries = None |
2efdd186925d
caches: invalidate store caches when lock is taken
Durham Goode <durham@fb.com>
parents:
20883
diff
changeset
|
538 |
20885
f49d60fa40a5
fncache: clean up fncache during strips
Durham Goode <durham@fb.com>
parents:
20884
diff
changeset
|
539 def markremoved(self, fn): |
f49d60fa40a5
fncache: clean up fncache during strips
Durham Goode <durham@fb.com>
parents:
20884
diff
changeset
|
540 self.fncache.remove(fn) |
f49d60fa40a5
fncache: clean up fncache during strips
Durham Goode <durham@fb.com>
parents:
20884
diff
changeset
|
541 |
17783
df55ce6854c3
store: add new _exists helper function on fncachestore
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parents:
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diff
changeset
|
542 def _exists(self, f): |
df55ce6854c3
store: add new _exists helper function on fncachestore
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parents:
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diff
changeset
|
543 ef = self.encode(f) |
df55ce6854c3
store: add new _exists helper function on fncachestore
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parents:
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diff
changeset
|
544 try: |
df55ce6854c3
store: add new _exists helper function on fncachestore
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parents:
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diff
changeset
|
545 self.getsize(ef) |
df55ce6854c3
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parents:
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changeset
|
546 return True |
25660
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global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
547 except OSError as err: |
17783
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store: add new _exists helper function on fncachestore
Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
changeset
|
548 if err.errno != errno.ENOENT: |
df55ce6854c3
store: add new _exists helper function on fncachestore
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parents:
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diff
changeset
|
549 raise |
df55ce6854c3
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diff
changeset
|
550 # nonexistent entry |
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changeset
|
551 return False |
df55ce6854c3
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parents:
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diff
changeset
|
552 |
17745 | 553 def __contains__(self, path): |
554 '''Checks if the store contains path''' | |
555 path = "/".join(("data", path)) | |
17782
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parents:
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diff
changeset
|
556 # check for files (exact match) |
17784
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parents:
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diff
changeset
|
557 e = path + '.i' |
73e1ab39792c
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parents:
17783
diff
changeset
|
558 if e in self.fncache and self._exists(e): |
17782
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store: move __contains__() implementation from class fncache into fncachestore
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parents:
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changeset
|
559 return True |
8095306c1fb2
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parents:
17747
diff
changeset
|
560 # now check for directories (prefix match) |
8095306c1fb2
store: move __contains__() implementation from class fncache into fncachestore
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parents:
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diff
changeset
|
561 if not path.endswith('/'): |
8095306c1fb2
store: move __contains__() implementation from class fncache into fncachestore
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parents:
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diff
changeset
|
562 path += '/' |
8095306c1fb2
store: move __contains__() implementation from class fncache into fncachestore
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parents:
17747
diff
changeset
|
563 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
|
564 if e.startswith(path) and self._exists(e): |
17782
8095306c1fb2
store: move __contains__() implementation from class fncache into fncachestore
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parents:
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diff
changeset
|
565 return True |
8095306c1fb2
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parents:
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diff
changeset
|
566 return False |
17745 | 567 |
17651
3b49c28658f6
store: rename "openertype" argument to "vfstype"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17649
diff
changeset
|
568 def store(requirements, path, vfstype): |
6898
69aeaaaf6e07
store: simplify class hierarchy
Matt Mackall <mpm@selenic.com>
parents:
6897
diff
changeset
|
569 if 'store' in requirements: |
7229
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changeset
|
570 if 'fncache' in requirements: |
17651
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parents:
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diff
changeset
|
571 return fncachestore(path, vfstype, 'dotencode' in requirements) |
3b49c28658f6
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parents:
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diff
changeset
|
572 return encodedstore(path, vfstype) |
3b49c28658f6
store: rename "openertype" argument to "vfstype"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
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diff
changeset
|
573 return basicstore(path, vfstype) |