Mercurial > hg
annotate mercurial/store.py @ 20555:4add43865a9b
ancestors: remove unnecessary handling of 'left'
If one of the initial nodes also is an ancestor then that most be the only
ancestor. There is no need for additional bookkeeping.
author | Mads Kiilerich <madski@unity3d.com> |
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date | Mon, 24 Feb 2014 22:42:13 +0100 |
parents | ca875b271ac3 |
children | cd03854a2e06 |
rev | line source |
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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 i18n import _ |
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9 import scmutil, util, parsers |
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10 import os, stat, errno |
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11 |
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12 _sha = util.sha1 |
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13 |
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14 # This avoids a collision between a file named foo and a dir named |
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15 # foo.i or foo.d |
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16 def _encodedir(path): |
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17 ''' |
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18 >>> _encodedir('data/foo.i') |
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19 'data/foo.i' |
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20 >>> _encodedir('data/foo.i/bla.i') |
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21 'data/foo.i.hg/bla.i' |
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22 >>> _encodedir('data/foo.i.hg/bla.i') |
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23 'data/foo.i.hg.hg/bla.i' |
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24 >>> _encodedir('data/foo.i\\ndata/foo.i/bla.i\\ndata/foo.i.hg/bla.i\\n') |
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25 'data/foo.i\\ndata/foo.i.hg/bla.i\\ndata/foo.i.hg.hg/bla.i\\n' |
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26 ''' |
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27 return (path |
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28 .replace(".hg/", ".hg.hg/") |
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29 .replace(".i/", ".i.hg/") |
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30 .replace(".d/", ".d.hg/")) |
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31 |
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32 encodedir = getattr(parsers, 'encodedir', _encodedir) |
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33 |
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34 def decodedir(path): |
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35 ''' |
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36 >>> decodedir('data/foo.i') |
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37 'data/foo.i' |
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38 >>> decodedir('data/foo.i.hg/bla.i') |
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39 'data/foo.i/bla.i' |
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40 >>> decodedir('data/foo.i.hg.hg/bla.i') |
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41 'data/foo.i.hg/bla.i' |
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42 ''' |
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43 if ".hg/" not in path: |
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44 return path |
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45 return (path |
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46 .replace(".d.hg/", ".d/") |
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47 .replace(".i.hg/", ".i/") |
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48 .replace(".hg.hg/", ".hg/")) |
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49 |
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50 def _buildencodefun(): |
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51 ''' |
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52 >>> enc, dec = _buildencodefun() |
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53 |
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54 >>> enc('nothing/special.txt') |
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55 'nothing/special.txt' |
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56 >>> dec('nothing/special.txt') |
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57 'nothing/special.txt' |
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58 |
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59 >>> enc('HELLO') |
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60 '_h_e_l_l_o' |
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61 >>> dec('_h_e_l_l_o') |
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62 'HELLO' |
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63 |
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64 >>> enc('hello:world?') |
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65 'hello~3aworld~3f' |
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66 >>> dec('hello~3aworld~3f') |
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67 'hello:world?' |
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68 |
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69 >>> enc('the\x07quick\xADshot') |
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70 'the~07quick~adshot' |
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71 >>> dec('the~07quick~adshot') |
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72 'the\\x07quick\\xadshot' |
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73 ''' |
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74 e = '_' |
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75 winreserved = [ord(x) for x in '\\:*?"<>|'] |
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76 cmap = dict([(chr(x), chr(x)) for x in xrange(127)]) |
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77 for x in (range(32) + range(126, 256) + winreserved): |
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78 cmap[chr(x)] = "~%02x" % x |
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79 for x in range(ord("A"), ord("Z") + 1) + [ord(e)]: |
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80 cmap[chr(x)] = e + chr(x).lower() |
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81 dmap = {} |
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82 for k, v in cmap.iteritems(): |
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83 dmap[v] = k |
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84 def decode(s): |
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85 i = 0 |
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86 while i < len(s): |
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87 for l in xrange(1, 4): |
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88 try: |
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89 yield dmap[s[i:i + l]] |
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90 i += l |
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91 break |
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92 except KeyError: |
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93 pass |
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94 else: |
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95 raise KeyError |
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96 return (lambda s: ''.join([cmap[c] for c in s]), |
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97 lambda s: ''.join(list(decode(s)))) |
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98 |
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99 _encodefname, _decodefname = _buildencodefun() |
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100 |
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101 def encodefilename(s): |
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102 ''' |
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103 >>> encodefilename('foo.i/bar.d/bla.hg/hi:world?/HELLO') |
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104 'foo.i.hg/bar.d.hg/bla.hg.hg/hi~3aworld~3f/_h_e_l_l_o' |
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105 ''' |
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106 return _encodefname(encodedir(s)) |
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107 |
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108 def decodefilename(s): |
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109 ''' |
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110 >>> decodefilename('foo.i.hg/bar.d.hg/bla.hg.hg/hi~3aworld~3f/_h_e_l_l_o') |
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111 'foo.i/bar.d/bla.hg/hi:world?/HELLO' |
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112 ''' |
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113 return decodedir(_decodefname(s)) |
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114 |
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115 def _buildlowerencodefun(): |
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116 ''' |
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117 >>> f = _buildlowerencodefun() |
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118 >>> f('nothing/special.txt') |
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119 'nothing/special.txt' |
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120 >>> f('HELLO') |
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121 'hello' |
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122 >>> f('hello:world?') |
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123 'hello~3aworld~3f' |
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124 >>> f('the\x07quick\xADshot') |
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125 'the~07quick~adshot' |
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126 ''' |
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127 winreserved = [ord(x) for x in '\\:*?"<>|'] |
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128 cmap = dict([(chr(x), chr(x)) for x in xrange(127)]) |
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129 for x in (range(32) + range(126, 256) + winreserved): |
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130 cmap[chr(x)] = "~%02x" % x |
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131 for x in range(ord("A"), ord("Z") + 1): |
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132 cmap[chr(x)] = chr(x).lower() |
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133 return lambda s: "".join([cmap[c] for c in s]) |
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134 |
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135 lowerencode = getattr(parsers, 'lowerencode', None) or _buildlowerencodefun() |
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136 |
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137 # Windows reserved names: con, prn, aux, nul, com1..com9, lpt1..lpt9 |
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138 _winres3 = ('aux', 'con', 'prn', 'nul') # length 3 |
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139 _winres4 = ('com', 'lpt') # length 4 (with trailing 1..9) |
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140 def _auxencode(path, dotencode): |
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141 ''' |
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142 Encodes filenames containing names reserved by Windows or which end in |
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143 period or space. Does not touch other single reserved characters c. |
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144 Specifically, c in '\\:*?"<>|' or ord(c) <= 31 are *not* encoded here. |
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145 Additionally encodes space or period at the beginning, if dotencode is |
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146 True. Parameter path is assumed to be all lowercase. |
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147 A segment only needs encoding if a reserved name appears as a |
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148 basename (e.g. "aux", "aux.foo"). A directory or file named "foo.aux" |
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149 doesn't need encoding. |
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150 |
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151 >>> s = '.foo/aux.txt/txt.aux/con/prn/nul/foo.' |
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152 >>> _auxencode(s.split('/'), True) |
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153 ['~2efoo', 'au~78.txt', 'txt.aux', 'co~6e', 'pr~6e', 'nu~6c', 'foo~2e'] |
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154 >>> s = '.com1com2/lpt9.lpt4.lpt1/conprn/com0/lpt0/foo.' |
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155 >>> _auxencode(s.split('/'), False) |
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156 ['.com1com2', 'lp~749.lpt4.lpt1', 'conprn', 'com0', 'lpt0', 'foo~2e'] |
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157 >>> _auxencode(['foo. '], True) |
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158 ['foo.~20'] |
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159 >>> _auxencode([' .foo'], True) |
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160 ['~20.foo'] |
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161 ''' |
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162 for i, n in enumerate(path): |
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163 if not n: |
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164 continue |
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165 if dotencode and n[0] in '. ': |
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166 n = "~%02x" % ord(n[0]) + n[1:] |
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167 path[i] = n |
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168 else: |
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169 l = n.find('.') |
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170 if l == -1: |
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171 l = len(n) |
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172 if ((l == 3 and n[:3] in _winres3) or |
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173 (l == 4 and n[3] <= '9' and n[3] >= '1' |
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174 and n[:3] in _winres4)): |
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175 # encode third letter ('aux' -> 'au~78') |
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176 ec = "~%02x" % ord(n[2]) |
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177 n = n[0:2] + ec + n[3:] |
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178 path[i] = n |
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179 if n[-1] in '. ': |
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180 # encode last period or space ('foo...' -> 'foo..~2e') |
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181 path[i] = n[:-1] + "~%02x" % ord(n[-1]) |
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182 return path |
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183 |
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184 _maxstorepathlen = 120 |
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185 _dirprefixlen = 8 |
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186 _maxshortdirslen = 8 * (_dirprefixlen + 1) - 4 |
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187 |
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188 def _hashencode(path, dotencode): |
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189 digest = _sha(path).hexdigest() |
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190 le = lowerencode(path).split('/')[1:] |
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191 parts = _auxencode(le, dotencode) |
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192 basename = parts[-1] |
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193 _root, ext = os.path.splitext(basename) |
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194 sdirs = [] |
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195 sdirslen = 0 |
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196 for p in parts[:-1]: |
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197 d = p[:_dirprefixlen] |
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198 if d[-1] in '. ': |
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199 # Windows can't access dirs ending in period or space |
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200 d = d[:-1] + '_' |
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201 if sdirslen == 0: |
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202 t = len(d) |
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203 else: |
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204 t = sdirslen + 1 + len(d) |
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205 if t > _maxshortdirslen: |
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206 break |
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207 sdirs.append(d) |
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208 sdirslen = t |
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209 dirs = '/'.join(sdirs) |
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210 if len(dirs) > 0: |
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211 dirs += '/' |
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212 res = 'dh/' + dirs + digest + ext |
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213 spaceleft = _maxstorepathlen - len(res) |
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214 if spaceleft > 0: |
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215 filler = basename[:spaceleft] |
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216 res = 'dh/' + dirs + filler + digest + ext |
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217 return res |
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218 |
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219 def _hybridencode(path, dotencode): |
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220 '''encodes path with a length limit |
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221 |
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222 Encodes all paths that begin with 'data/', according to the following. |
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223 |
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224 Default encoding (reversible): |
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225 |
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226 Encodes all uppercase letters 'X' as '_x'. All reserved or illegal |
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227 characters are encoded as '~xx', where xx is the two digit hex code |
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228 of the character (see encodefilename). |
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229 Relevant path components consisting of Windows reserved filenames are |
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230 masked by encoding the third character ('aux' -> 'au~78', see _auxencode). |
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231 |
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232 Hashed encoding (not reversible): |
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233 |
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234 If the default-encoded path is longer than _maxstorepathlen, a |
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235 non-reversible hybrid hashing of the path is done instead. |
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236 This encoding uses up to _dirprefixlen characters of all directory |
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237 levels of the lowerencoded path, but not more levels than can fit into |
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238 _maxshortdirslen. |
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239 Then follows the filler followed by the sha digest of the full path. |
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240 The filler is the beginning of the basename of the lowerencoded path |
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241 (the basename is everything after the last path separator). The filler |
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242 is as long as possible, filling in characters from the basename until |
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243 the encoded path has _maxstorepathlen characters (or all chars of the |
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244 basename have been taken). |
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245 The extension (e.g. '.i' or '.d') is preserved. |
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246 |
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247 The string 'data/' at the beginning is replaced with 'dh/', if the hashed |
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248 encoding was used. |
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249 ''' |
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250 path = encodedir(path) |
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251 ef = _encodefname(path).split('/') |
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252 res = '/'.join(_auxencode(ef, dotencode)) |
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253 if len(res) > _maxstorepathlen: |
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254 res = _hashencode(path, dotencode) |
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255 return res |
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256 |
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257 def _pathencode(path): |
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258 de = encodedir(path) |
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259 if len(path) > _maxstorepathlen: |
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260 return _hashencode(de, True) |
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261 ef = _encodefname(de).split('/') |
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262 res = '/'.join(_auxencode(ef, True)) |
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263 if len(res) > _maxstorepathlen: |
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264 return _hashencode(de, True) |
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265 return res |
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266 |
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267 _pathencode = getattr(parsers, 'pathencode', _pathencode) |
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268 |
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269 def _plainhybridencode(f): |
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270 return _hybridencode(f, False) |
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271 |
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272 def _calcmode(vfs): |
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273 try: |
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274 # files in .hg/ will be created using this mode |
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275 mode = vfs.stat().st_mode |
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276 # avoid some useless chmods |
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277 if (0777 & ~util.umask) == (0777 & mode): |
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278 mode = None |
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279 except OSError: |
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280 mode = None |
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281 return mode |
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282 |
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283 _data = ('data 00manifest.d 00manifest.i 00changelog.d 00changelog.i' |
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284 ' phaseroots obsstore') |
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285 |
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286 class basicstore(object): |
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287 '''base class for local repository stores''' |
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288 def __init__(self, path, vfstype): |
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289 vfs = vfstype(path) |
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290 self.path = vfs.base |
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291 self.createmode = _calcmode(vfs) |
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292 vfs.createmode = self.createmode |
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293 self.rawvfs = vfs |
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294 self.vfs = scmutil.filtervfs(vfs, encodedir) |
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295 self.opener = self.vfs |
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296 |
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297 def join(self, f): |
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298 return self.path + '/' + encodedir(f) |
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299 |
6899 | 300 def _walk(self, relpath, recurse): |
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301 '''yields (unencoded, encoded, size)''' |
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302 path = self.path |
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303 if relpath: |
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304 path += '/' + relpath |
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305 striplen = len(self.path) + 1 |
6899 | 306 l = [] |
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307 if self.rawvfs.isdir(path): |
6899 | 308 visit = [path] |
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309 readdir = self.rawvfs.readdir |
6899 | 310 while visit: |
311 p = visit.pop() | |
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312 for f, kind, st in readdir(p, stat=True): |
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313 fp = p + '/' + f |
6899 | 314 if kind == stat.S_IFREG and f[-2:] in ('.d', '.i'): |
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315 n = util.pconvert(fp[striplen:]) |
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316 l.append((decodedir(n), n, st.st_size)) |
6899 | 317 elif kind == stat.S_IFDIR and recurse: |
318 visit.append(fp) | |
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319 l.sort() |
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320 return l |
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321 |
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322 def datafiles(self): |
6899 | 323 return self._walk('data', True) |
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324 |
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325 def topfiles(self): |
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326 # yield manifest before changelog |
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327 return reversed(self._walk('', False)) |
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328 |
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329 def walk(self): |
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330 '''yields (unencoded, encoded, size)''' |
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331 # yield data files first |
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332 for x in self.datafiles(): |
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333 yield x |
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334 for x in self.topfiles(): |
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335 yield x |
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336 |
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337 def copylist(self): |
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338 return ['requires'] + _data.split() |
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339 |
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340 def write(self): |
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341 pass |
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342 |
17744 | 343 def __contains__(self, path): |
344 '''Checks if the store contains path''' | |
345 path = "/".join(("data", path)) | |
346 # file? | |
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347 if self.vfs.exists(path + ".i"): |
17744 | 348 return True |
349 # dir? | |
350 if not path.endswith("/"): | |
351 path = path + "/" | |
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parents:
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diff
changeset
|
352 return self.vfs.exists(path) |
17744 | 353 |
6898
69aeaaaf6e07
store: simplify class hierarchy
Matt Mackall <mpm@selenic.com>
parents:
6897
diff
changeset
|
354 class encodedstore(basicstore): |
17651
3b49c28658f6
store: rename "openertype" argument to "vfstype"
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parents:
17649
diff
changeset
|
355 def __init__(self, path, vfstype): |
17724
bf4b72d8dd4d
store: initialize vfs field first to use it for initialization of others
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diff
changeset
|
356 vfs = vfstype(path + '/store') |
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store: initialize vfs field first to use it for initialization of others
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parents:
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diff
changeset
|
357 self.path = vfs.base |
17726
7cb7e17c23b2
store: invoke "os.stat()" for "createmode" initialization via vfs
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parents:
17725
diff
changeset
|
358 self.createmode = _calcmode(vfs) |
17652
2c6f7231becc
store: rename "op" variables to "vfs"
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parents:
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diff
changeset
|
359 vfs.createmode = self.createmode |
17728
004bd533880d
store: invoke "os.path.isdir()" via vfs
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parents:
17727
diff
changeset
|
360 self.rawvfs = vfs |
17653
dacb50696b75
store: initialize "vfs" fields by "vfs" constructors
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parents:
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diff
changeset
|
361 self.vfs = scmutil.filtervfs(vfs, encodefilename) |
dacb50696b75
store: initialize "vfs" fields by "vfs" constructors
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parents:
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diff
changeset
|
362 self.opener = self.vfs |
6840
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introduce store classes
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diff
changeset
|
363 |
6900
def492d1b592
store: change handling of decoding errors
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6899
diff
changeset
|
364 def datafiles(self): |
def492d1b592
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diff
changeset
|
365 for a, b, size in self._walk('data', True): |
6892
dab95717058d
verify: check repo.store
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parents:
6890
diff
changeset
|
366 try: |
6900
def492d1b592
store: change handling of decoding errors
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diff
changeset
|
367 a = decodefilename(a) |
6892
dab95717058d
verify: check repo.store
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parents:
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diff
changeset
|
368 except KeyError: |
6900
def492d1b592
store: change handling of decoding errors
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parents:
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diff
changeset
|
369 a = None |
def492d1b592
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|
370 yield a, b, size |
6840
80e51429cb9a
introduce store classes
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diff
changeset
|
371 |
80e51429cb9a
introduce store classes
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diff
changeset
|
372 def join(self, f): |
13426
643b8212813e
store: remove pointless pathjoiner parameter
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diff
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|
373 return self.path + '/' + encodefilename(f) |
6840
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introduce store classes
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diff
changeset
|
374 |
6903
0642d9d7ec80
clone: get a list of files to clone from store
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parents:
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diff
changeset
|
375 def copylist(self): |
0642d9d7ec80
clone: get a list of files to clone from store
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diff
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|
376 return (['requires', '00changelog.i'] + |
13426
643b8212813e
store: remove pointless pathjoiner parameter
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diff
changeset
|
377 ['store/' + f for f in _data.split()]) |
6903
0642d9d7ec80
clone: get a list of files to clone from store
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parents:
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diff
changeset
|
378 |
8530
03196ac9a8b9
store: refactor the fncache handling
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parents:
8480
diff
changeset
|
379 class fncache(object): |
8531
810387f59696
filelog encoding: move the encoding/decoding into store
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parents:
8530
diff
changeset
|
380 # the filename used to be partially encoded |
810387f59696
filelog encoding: move the encoding/decoding into store
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parents:
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diff
changeset
|
381 # 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
diff
changeset
|
382 def __init__(self, vfs): |
3b976051034d
store: rename field name from "opener" to "vfs" in internal classes for fncache
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parents:
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diff
changeset
|
383 self.vfs = vfs |
7229
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introduce fncache repository layout
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diff
changeset
|
384 self.entries = None |
13391
d00bbff8600e
fncachestore: defer updating the fncache file to a single file open
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parents:
13169
diff
changeset
|
385 self._dirty = False |
7229
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introduce fncache repository layout
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diff
changeset
|
386 |
8530
03196ac9a8b9
store: refactor the fncache handling
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parents:
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diff
changeset
|
387 def _load(self): |
03196ac9a8b9
store: refactor the fncache handling
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diff
changeset
|
388 '''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:
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diff
changeset
|
389 self._dirty = False |
8530
03196ac9a8b9
store: refactor the fncache handling
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parents:
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diff
changeset
|
390 try: |
17722
3b976051034d
store: rename field name from "opener" to "vfs" in internal classes for fncache
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parents:
17721
diff
changeset
|
391 fp = self.vfs('fncache', mode='rb') |
8530
03196ac9a8b9
store: refactor the fncache handling
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parents:
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diff
changeset
|
392 except IOError: |
03196ac9a8b9
store: refactor the fncache handling
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parents:
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diff
changeset
|
393 # skip nonexistent file |
16404
9fca5b056c0a
store: speed up read and write of large fncache files
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parents:
15742
diff
changeset
|
394 self.entries = set() |
8530
03196ac9a8b9
store: refactor the fncache handling
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parents:
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diff
changeset
|
395 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
|
396 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
|
397 if '' in self.entries: |
9fca5b056c0a
store: speed up read and write of large fncache files
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parents:
15742
diff
changeset
|
398 fp.seek(0) |
9fca5b056c0a
store: speed up read and write of large fncache files
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parents:
15742
diff
changeset
|
399 for n, line in enumerate(fp): |
9fca5b056c0a
store: speed up read and write of large fncache files
Bryan O'Sullivan <bryano@fb.com>
parents:
15742
diff
changeset
|
400 if not line.rstrip('\n'): |
9fca5b056c0a
store: speed up read and write of large fncache files
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parents:
15742
diff
changeset
|
401 t = _('invalid entry in fncache, line %s') % (n + 1) |
9fca5b056c0a
store: speed up read and write of large fncache files
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parents:
15742
diff
changeset
|
402 raise util.Abort(t) |
8530
03196ac9a8b9
store: refactor the fncache handling
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parents:
8480
diff
changeset
|
403 fp.close() |
7229
7946503ec76e
introduce fncache repository layout
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parents:
6989
diff
changeset
|
404 |
16404
9fca5b056c0a
store: speed up read and write of large fncache files
Bryan O'Sullivan <bryano@fb.com>
parents:
15742
diff
changeset
|
405 def _write(self, files, atomictemp): |
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
|
406 fp = self.vfs('fncache', mode='wb', atomictemp=atomictemp) |
16404
9fca5b056c0a
store: speed up read and write of large fncache files
Bryan O'Sullivan <bryano@fb.com>
parents:
15742
diff
changeset
|
407 if files: |
17592
64c6a0d4d4bd
store: optimize fncache._write by direncoding the contents in one go
Adrian Buehlmann <adrian@cadifra.com>
parents:
17591
diff
changeset
|
408 fp.write(encodedir('\n'.join(files) + '\n')) |
16404
9fca5b056c0a
store: speed up read and write of large fncache files
Bryan O'Sullivan <bryano@fb.com>
parents:
15742
diff
changeset
|
409 fp.close() |
9fca5b056c0a
store: speed up read and write of large fncache files
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parents:
15742
diff
changeset
|
410 self._dirty = False |
9fca5b056c0a
store: speed up read and write of large fncache files
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parents:
15742
diff
changeset
|
411 |
8530
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
412 def rewrite(self, files): |
16404
9fca5b056c0a
store: speed up read and write of large fncache files
Bryan O'Sullivan <bryano@fb.com>
parents:
15742
diff
changeset
|
413 self._write(files, False) |
8530
03196ac9a8b9
store: refactor the fncache handling
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parents:
8480
diff
changeset
|
414 self.entries = set(files) |
13391
d00bbff8600e
fncachestore: defer updating the fncache file to a single file open
Adrian Buehlmann <adrian@cadifra.com>
parents:
13169
diff
changeset
|
415 |
d00bbff8600e
fncachestore: defer updating the fncache file to a single file open
Adrian Buehlmann <adrian@cadifra.com>
parents:
13169
diff
changeset
|
416 def write(self): |
16404
9fca5b056c0a
store: speed up read and write of large fncache files
Bryan O'Sullivan <bryano@fb.com>
parents:
15742
diff
changeset
|
417 if self._dirty: |
9fca5b056c0a
store: speed up read and write of large fncache files
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parents:
15742
diff
changeset
|
418 self._write(self.entries, True) |
8530
03196ac9a8b9
store: refactor the fncache handling
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parents:
8480
diff
changeset
|
419 |
03196ac9a8b9
store: refactor the fncache handling
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8480
diff
changeset
|
420 def add(self, fn): |
03196ac9a8b9
store: refactor the fncache handling
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parents:
8480
diff
changeset
|
421 if self.entries is None: |
03196ac9a8b9
store: refactor the fncache handling
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parents:
8480
diff
changeset
|
422 self._load() |
10577
d5bd1beff794
store: only add new entries to the fncache file
Adrian Buehlmann <adrian@cadifra.com>
parents:
10339
diff
changeset
|
423 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
|
424 self._dirty = True |
10577
d5bd1beff794
store: only add new entries to the fncache file
Adrian Buehlmann <adrian@cadifra.com>
parents:
10339
diff
changeset
|
425 self.entries.add(fn) |
8530
03196ac9a8b9
store: refactor the fncache handling
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parents:
8480
diff
changeset
|
426 |
17782
8095306c1fb2
store: move __contains__() implementation from class fncache into fncachestore
Adrian Buehlmann <adrian@cadifra.com>
parents:
17747
diff
changeset
|
427 def __contains__(self, fn): |
8530
03196ac9a8b9
store: refactor the fncache handling
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parents:
8480
diff
changeset
|
428 if self.entries is None: |
03196ac9a8b9
store: refactor the fncache handling
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parents:
8480
diff
changeset
|
429 self._load() |
17782
8095306c1fb2
store: move __contains__() implementation from class fncache into fncachestore
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parents:
17747
diff
changeset
|
430 return fn in self.entries |
8530
03196ac9a8b9
store: refactor the fncache handling
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8480
diff
changeset
|
431 |
03196ac9a8b9
store: refactor the fncache handling
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8480
diff
changeset
|
432 def __iter__(self): |
03196ac9a8b9
store: refactor the fncache handling
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parents:
8480
diff
changeset
|
433 if self.entries is None: |
03196ac9a8b9
store: refactor the fncache handling
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parents:
8480
diff
changeset
|
434 self._load() |
03196ac9a8b9
store: refactor the fncache handling
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8480
diff
changeset
|
435 return iter(self.entries) |
7229
7946503ec76e
introduce fncache repository layout
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parents:
6989
diff
changeset
|
436 |
17845
408ded42c5ec
scmutil: abstract out mustaudit delegation
Bryan O'Sullivan <bryano@fb.com>
parents:
17784
diff
changeset
|
437 class _fncachevfs(scmutil.abstractvfs, scmutil.auditvfs): |
17721
cf236e3501c3
store: rename argument name from "op"(ener) to "vfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17693
diff
changeset
|
438 def __init__(self, vfs, fnc, encode): |
17845
408ded42c5ec
scmutil: abstract out mustaudit delegation
Bryan O'Sullivan <bryano@fb.com>
parents:
17784
diff
changeset
|
439 scmutil.auditvfs.__init__(self, vfs) |
14194
3a90fb3addc1
store: break up reference cycle introduced in 9cbff8a39a2a
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parents:
14166
diff
changeset
|
440 self.fncache = fnc |
3a90fb3addc1
store: break up reference cycle introduced in 9cbff8a39a2a
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14166
diff
changeset
|
441 self.encode = encode |
3a90fb3addc1
store: break up reference cycle introduced in 9cbff8a39a2a
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14166
diff
changeset
|
442 |
3a90fb3addc1
store: break up reference cycle introduced in 9cbff8a39a2a
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parents:
14166
diff
changeset
|
443 def __call__(self, path, mode='r', *args, **kw): |
3a90fb3addc1
store: break up reference cycle introduced in 9cbff8a39a2a
Adrian Buehlmann <adrian@cadifra.com>
parents:
14166
diff
changeset
|
444 if mode not in ('r', 'rb') and path.startswith('data/'): |
3a90fb3addc1
store: break up reference cycle introduced in 9cbff8a39a2a
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parents:
14166
diff
changeset
|
445 self.fncache.add(path) |
17722
3b976051034d
store: rename field name from "opener" to "vfs" in internal classes for fncache
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parents:
17721
diff
changeset
|
446 return self.vfs(self.encode(path), mode, *args, **kw) |
14194
3a90fb3addc1
store: break up reference cycle introduced in 9cbff8a39a2a
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parents:
14166
diff
changeset
|
447 |
17725
ffd589d4b785
vfs: define "join()" in each classes derived from "abstractvfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17724
diff
changeset
|
448 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
|
449 if path: |
ffd589d4b785
vfs: define "join()" in each classes derived from "abstractvfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17724
diff
changeset
|
450 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
|
451 else: |
ffd589d4b785
vfs: define "join()" in each classes derived from "abstractvfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17724
diff
changeset
|
452 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
|
453 |
7229
7946503ec76e
introduce fncache repository layout
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diff
changeset
|
454 class fncachestore(basicstore): |
17651
3b49c28658f6
store: rename "openertype" argument to "vfstype"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17649
diff
changeset
|
455 def __init__(self, path, vfstype, dotencode): |
17591
9a5c2ecd1158
store: move encode lambda logic into fncachestore
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parents:
17590
diff
changeset
|
456 if dotencode: |
18435
8c019d2fd7c0
store: switch to C-based hashed path encoding
Bryan O'Sullivan <bryano@fb.com>
parents:
18430
diff
changeset
|
457 encode = _pathencode |
17591
9a5c2ecd1158
store: move encode lambda logic into fncachestore
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diff
changeset
|
458 else: |
9a5c2ecd1158
store: move encode lambda logic into fncachestore
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parents:
17590
diff
changeset
|
459 encode = _plainhybridencode |
12687
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460 self.encode = encode |
17724
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461 vfs = vfstype(path + '/store') |
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462 self.path = vfs.base |
17562
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store: reduce string concatenation when joining
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463 self.pathsep = self.path + '/' |
17726
7cb7e17c23b2
store: invoke "os.stat()" for "createmode" initialization via vfs
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464 self.createmode = _calcmode(vfs) |
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465 vfs.createmode = self.createmode |
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466 self.rawvfs = vfs |
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467 fnc = fncache(vfs) |
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store: eliminate reference cycle in fncachestore
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468 self.fncache = fnc |
17653
dacb50696b75
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469 self.vfs = _fncachevfs(vfs, fnc, encode) |
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470 self.opener = self.vfs |
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471 |
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472 def join(self, f): |
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473 return self.pathsep + self.encode(f) |
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474 |
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475 def getsize(self, path): |
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476 return self.rawvfs.stat(path).st_size |
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477 |
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478 def datafiles(self): |
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479 rewrite = False |
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480 existing = [] |
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481 for f in sorted(self.fncache): |
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482 ef = self.encode(f) |
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483 try: |
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484 yield f, ef, self.getsize(ef) |
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485 existing.append(f) |
17374
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486 except OSError, err: |
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487 if err.errno != errno.ENOENT: |
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488 raise |
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489 # nonexistent entry |
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490 rewrite = True |
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491 if rewrite: |
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492 # rewrite fncache to remove nonexistent entries |
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493 # (may be caused by rollback / strip) |
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494 self.fncache.rewrite(existing) |
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495 |
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496 def copylist(self): |
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497 d = ('data dh fncache phaseroots obsstore' |
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498 ' 00manifest.d 00manifest.i 00changelog.d 00changelog.i') |
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499 return (['requires', '00changelog.i'] + |
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500 ['store/' + f for f in d.split()]) |
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501 |
13391
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502 def write(self): |
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503 self.fncache.write() |
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504 |
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505 def _exists(self, f): |
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506 ef = self.encode(f) |
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507 try: |
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508 self.getsize(ef) |
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509 return True |
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510 except OSError, err: |
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511 if err.errno != errno.ENOENT: |
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512 raise |
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513 # nonexistent entry |
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514 return False |
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515 |
17745 | 516 def __contains__(self, path): |
517 '''Checks if the store contains path''' | |
518 path = "/".join(("data", path)) | |
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519 # check for files (exact match) |
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520 e = path + '.i' |
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521 if e in self.fncache and self._exists(e): |
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522 return True |
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523 # now check for directories (prefix match) |
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524 if not path.endswith('/'): |
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525 path += '/' |
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526 for e in self.fncache: |
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527 if e.startswith(path) and self._exists(e): |
17782
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528 return True |
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529 return False |
17745 | 530 |
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store: rename "openertype" argument to "vfstype"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
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diff
changeset
|
531 def store(requirements, path, vfstype): |
6898
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|
532 if 'store' in requirements: |
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533 if 'fncache' in requirements: |
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534 return fncachestore(path, vfstype, 'dotencode' in requirements) |
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535 return encodedstore(path, vfstype) |
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|
536 return basicstore(path, vfstype) |