Mercurial > hg
annotate mercurial/store.py @ 28062:1000ccf804a6
chg: use in-tree hg executable to start server for testing
author | Yuya Nishihara <yuya@tcha.org> |
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date | Sun, 03 Jan 2016 12:45:32 +0900 |
parents | fb92927f9775 |
children | 2f58975eb2cb |
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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 os |
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12 import stat |
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13 |
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14 from .i18n import _ |
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15 from . import ( |
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16 error, |
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17 parsers, |
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18 scmutil, |
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19 util, |
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20 ) |
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21 |
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22 _sha = util.sha1 |
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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 _buildencodefun(): |
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61 ''' |
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62 >>> enc, dec = _buildencodefun() |
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63 |
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64 >>> enc('nothing/special.txt') |
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65 'nothing/special.txt' |
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66 >>> dec('nothing/special.txt') |
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67 'nothing/special.txt' |
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68 |
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69 >>> enc('HELLO') |
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70 '_h_e_l_l_o' |
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71 >>> dec('_h_e_l_l_o') |
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72 'HELLO' |
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73 |
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74 >>> enc('hello:world?') |
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75 'hello~3aworld~3f' |
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76 >>> dec('hello~3aworld~3f') |
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77 'hello:world?' |
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78 |
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79 >>> enc('the\x07quick\xADshot') |
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80 'the~07quick~adshot' |
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81 >>> dec('the~07quick~adshot') |
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82 'the\\x07quick\\xadshot' |
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83 ''' |
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84 e = '_' |
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85 winreserved = [ord(x) for x in '\\:*?"<>|'] |
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86 cmap = dict([(chr(x), chr(x)) for x in xrange(127)]) |
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87 for x in (range(32) + range(126, 256) + winreserved): |
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88 cmap[chr(x)] = "~%02x" % x |
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89 for x in range(ord("A"), ord("Z") + 1) + [ord(e)]: |
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90 cmap[chr(x)] = e + chr(x).lower() |
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91 dmap = {} |
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92 for k, v in cmap.iteritems(): |
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93 dmap[v] = k |
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94 def decode(s): |
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95 i = 0 |
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96 while i < len(s): |
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97 for l in xrange(1, 4): |
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98 try: |
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99 yield dmap[s[i:i + l]] |
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100 i += l |
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101 break |
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102 except KeyError: |
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103 pass |
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104 else: |
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105 raise KeyError |
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106 return (lambda s: ''.join([cmap[c] for c in s]), |
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107 lambda s: ''.join(list(decode(s)))) |
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108 |
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109 _encodefname, _decodefname = _buildencodefun() |
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110 |
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111 def encodefilename(s): |
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112 ''' |
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113 >>> encodefilename('foo.i/bar.d/bla.hg/hi:world?/HELLO') |
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114 'foo.i.hg/bar.d.hg/bla.hg.hg/hi~3aworld~3f/_h_e_l_l_o' |
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115 ''' |
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116 return _encodefname(encodedir(s)) |
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117 |
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118 def decodefilename(s): |
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119 ''' |
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120 >>> decodefilename('foo.i.hg/bar.d.hg/bla.hg.hg/hi~3aworld~3f/_h_e_l_l_o') |
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121 'foo.i/bar.d/bla.hg/hi:world?/HELLO' |
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122 ''' |
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123 return decodedir(_decodefname(s)) |
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124 |
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125 def _buildlowerencodefun(): |
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126 ''' |
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127 >>> f = _buildlowerencodefun() |
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128 >>> f('nothing/special.txt') |
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129 'nothing/special.txt' |
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130 >>> f('HELLO') |
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131 'hello' |
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132 >>> f('hello:world?') |
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133 'hello~3aworld~3f' |
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134 >>> f('the\x07quick\xADshot') |
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135 'the~07quick~adshot' |
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136 ''' |
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137 winreserved = [ord(x) for x in '\\:*?"<>|'] |
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138 cmap = dict([(chr(x), chr(x)) for x in xrange(127)]) |
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139 for x in (range(32) + range(126, 256) + winreserved): |
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140 cmap[chr(x)] = "~%02x" % x |
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141 for x in range(ord("A"), ord("Z") + 1): |
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142 cmap[chr(x)] = chr(x).lower() |
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143 return lambda s: "".join([cmap[c] for c in s]) |
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144 |
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145 lowerencode = getattr(parsers, 'lowerencode', None) or _buildlowerencodefun() |
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146 |
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147 # Windows reserved names: con, prn, aux, nul, com1..com9, lpt1..lpt9 |
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148 _winres3 = ('aux', 'con', 'prn', 'nul') # length 3 |
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149 _winres4 = ('com', 'lpt') # length 4 (with trailing 1..9) |
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150 def _auxencode(path, dotencode): |
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151 ''' |
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152 Encodes filenames containing names reserved by Windows or which end in |
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153 period or space. Does not touch other single reserved characters c. |
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154 Specifically, c in '\\:*?"<>|' or ord(c) <= 31 are *not* encoded here. |
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155 Additionally encodes space or period at the beginning, if dotencode is |
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156 True. Parameter path is assumed to be all lowercase. |
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157 A segment only needs encoding if a reserved name appears as a |
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158 basename (e.g. "aux", "aux.foo"). A directory or file named "foo.aux" |
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159 doesn't need encoding. |
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160 |
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161 >>> s = '.foo/aux.txt/txt.aux/con/prn/nul/foo.' |
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162 >>> _auxencode(s.split('/'), True) |
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163 ['~2efoo', 'au~78.txt', 'txt.aux', 'co~6e', 'pr~6e', 'nu~6c', 'foo~2e'] |
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164 >>> s = '.com1com2/lpt9.lpt4.lpt1/conprn/com0/lpt0/foo.' |
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165 >>> _auxencode(s.split('/'), False) |
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166 ['.com1com2', 'lp~749.lpt4.lpt1', 'conprn', 'com0', 'lpt0', 'foo~2e'] |
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167 >>> _auxencode(['foo. '], True) |
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168 ['foo.~20'] |
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169 >>> _auxencode([' .foo'], True) |
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170 ['~20.foo'] |
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171 ''' |
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172 for i, n in enumerate(path): |
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173 if not n: |
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174 continue |
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175 if dotencode and n[0] in '. ': |
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176 n = "~%02x" % ord(n[0]) + n[1:] |
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177 path[i] = n |
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178 else: |
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179 l = n.find('.') |
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180 if l == -1: |
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181 l = len(n) |
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182 if ((l == 3 and n[:3] in _winres3) or |
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183 (l == 4 and n[3] <= '9' and n[3] >= '1' |
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184 and n[:3] in _winres4)): |
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185 # encode third letter ('aux' -> 'au~78') |
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186 ec = "~%02x" % ord(n[2]) |
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187 n = n[0:2] + ec + n[3:] |
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188 path[i] = n |
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189 if n[-1] in '. ': |
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190 # encode last period or space ('foo...' -> 'foo..~2e') |
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191 path[i] = n[:-1] + "~%02x" % ord(n[-1]) |
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192 return path |
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193 |
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194 _maxstorepathlen = 120 |
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195 _dirprefixlen = 8 |
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196 _maxshortdirslen = 8 * (_dirprefixlen + 1) - 4 |
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197 |
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198 def _hashencode(path, dotencode): |
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199 digest = _sha(path).hexdigest() |
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200 le = lowerencode(path[5:]).split('/') # skips prefix 'data/' or 'meta/' |
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201 parts = _auxencode(le, dotencode) |
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202 basename = parts[-1] |
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203 _root, ext = os.path.splitext(basename) |
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204 sdirs = [] |
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205 sdirslen = 0 |
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206 for p in parts[:-1]: |
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207 d = p[:_dirprefixlen] |
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208 if d[-1] in '. ': |
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209 # Windows can't access dirs ending in period or space |
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210 d = d[:-1] + '_' |
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211 if sdirslen == 0: |
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212 t = len(d) |
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213 else: |
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214 t = sdirslen + 1 + len(d) |
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215 if t > _maxshortdirslen: |
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216 break |
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217 sdirs.append(d) |
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218 sdirslen = t |
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219 dirs = '/'.join(sdirs) |
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220 if len(dirs) > 0: |
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221 dirs += '/' |
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222 res = 'dh/' + dirs + digest + ext |
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223 spaceleft = _maxstorepathlen - len(res) |
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224 if spaceleft > 0: |
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225 filler = basename[:spaceleft] |
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226 res = 'dh/' + dirs + filler + digest + ext |
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227 return res |
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228 |
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229 def _hybridencode(path, dotencode): |
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230 '''encodes path with a length limit |
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231 |
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232 Encodes all paths that begin with 'data/', according to the following. |
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233 |
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234 Default encoding (reversible): |
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235 |
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236 Encodes all uppercase letters 'X' as '_x'. All reserved or illegal |
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237 characters are encoded as '~xx', where xx is the two digit hex code |
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238 of the character (see encodefilename). |
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239 Relevant path components consisting of Windows reserved filenames are |
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240 masked by encoding the third character ('aux' -> 'au~78', see _auxencode). |
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241 |
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242 Hashed encoding (not reversible): |
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243 |
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244 If the default-encoded path is longer than _maxstorepathlen, a |
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245 non-reversible hybrid hashing of the path is done instead. |
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246 This encoding uses up to _dirprefixlen characters of all directory |
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247 levels of the lowerencoded path, but not more levels than can fit into |
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248 _maxshortdirslen. |
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249 Then follows the filler followed by the sha digest of the full path. |
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250 The filler is the beginning of the basename of the lowerencoded path |
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251 (the basename is everything after the last path separator). The filler |
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252 is as long as possible, filling in characters from the basename until |
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253 the encoded path has _maxstorepathlen characters (or all chars of the |
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254 basename have been taken). |
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255 The extension (e.g. '.i' or '.d') is preserved. |
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256 |
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257 The string 'data/' at the beginning is replaced with 'dh/', if the hashed |
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258 encoding was used. |
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259 ''' |
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260 path = encodedir(path) |
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261 ef = _encodefname(path).split('/') |
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262 res = '/'.join(_auxencode(ef, dotencode)) |
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263 if len(res) > _maxstorepathlen: |
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264 res = _hashencode(path, dotencode) |
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265 return res |
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266 |
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267 def _pathencode(path): |
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268 de = encodedir(path) |
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269 if len(path) > _maxstorepathlen: |
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270 return _hashencode(de, True) |
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271 ef = _encodefname(de).split('/') |
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272 res = '/'.join(_auxencode(ef, True)) |
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273 if len(res) > _maxstorepathlen: |
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274 return _hashencode(de, True) |
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275 return res |
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276 |
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277 _pathencode = getattr(parsers, 'pathencode', _pathencode) |
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278 |
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279 def _plainhybridencode(f): |
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280 return _hybridencode(f, False) |
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281 |
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282 def _calcmode(vfs): |
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283 try: |
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284 # files in .hg/ will be created using this mode |
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285 mode = vfs.stat().st_mode |
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286 # avoid some useless chmods |
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287 if (0o777 & ~util.umask) == (0o777 & mode): |
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288 mode = None |
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289 except OSError: |
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290 mode = None |
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291 return mode |
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292 |
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293 _data = ('data meta 00manifest.d 00manifest.i 00changelog.d 00changelog.i' |
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294 ' phaseroots obsstore') |
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295 |
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296 class basicstore(object): |
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297 '''base class for local repository stores''' |
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298 def __init__(self, path, vfstype): |
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299 vfs = vfstype(path) |
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300 self.path = vfs.base |
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301 self.createmode = _calcmode(vfs) |
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302 vfs.createmode = self.createmode |
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303 self.rawvfs = vfs |
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304 self.vfs = scmutil.filtervfs(vfs, encodedir) |
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305 self.opener = self.vfs |
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306 |
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307 def join(self, f): |
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308 return self.path + '/' + encodedir(f) |
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309 |
6899 | 310 def _walk(self, relpath, recurse): |
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311 '''yields (unencoded, encoded, size)''' |
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312 path = self.path |
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313 if relpath: |
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314 path += '/' + relpath |
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315 striplen = len(self.path) + 1 |
6899 | 316 l = [] |
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317 if self.rawvfs.isdir(path): |
6899 | 318 visit = [path] |
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319 readdir = self.rawvfs.readdir |
6899 | 320 while visit: |
321 p = visit.pop() | |
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322 for f, kind, st in readdir(p, stat=True): |
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323 fp = p + '/' + f |
6899 | 324 if kind == stat.S_IFREG and f[-2:] in ('.d', '.i'): |
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325 n = util.pconvert(fp[striplen:]) |
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326 l.append((decodedir(n), n, st.st_size)) |
6899 | 327 elif kind == stat.S_IFDIR and recurse: |
328 visit.append(fp) | |
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329 l.sort() |
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330 return l |
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331 |
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332 def datafiles(self): |
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333 return self._walk('data', True) + self._walk('meta', True) |
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334 |
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335 def topfiles(self): |
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336 # yield manifest before changelog |
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337 return reversed(self._walk('', False)) |
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338 |
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339 def walk(self): |
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340 '''yields (unencoded, encoded, size)''' |
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341 # yield data files first |
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342 for x in self.datafiles(): |
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343 yield x |
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344 for x in self.topfiles(): |
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345 yield x |
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346 |
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diff
changeset
|
347 def copylist(self): |
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348 return ['requires'] + _data.split() |
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diff
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349 |
20883
cd443c7589cc
fncache: move fncache writing to be in a transaction
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parents:
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diff
changeset
|
350 def write(self, tr): |
13391
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fncachestore: defer updating the fncache file to a single file open
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parents:
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diff
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|
351 pass |
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diff
changeset
|
352 |
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2efdd186925d
caches: invalidate store caches when lock is taken
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diff
changeset
|
353 def invalidatecaches(self): |
2efdd186925d
caches: invalidate store caches when lock is taken
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changeset
|
354 pass |
2efdd186925d
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diff
changeset
|
355 |
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fncache: clean up fncache during strips
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diff
changeset
|
356 def markremoved(self, fn): |
f49d60fa40a5
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parents:
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diff
changeset
|
357 pass |
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parents:
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diff
changeset
|
358 |
17744 | 359 def __contains__(self, path): |
360 '''Checks if the store contains path''' | |
361 path = "/".join(("data", path)) | |
362 # file? | |
19903
ca875b271ac3
store: use "vfs.exists()" instead of "os.path.exists()"
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parents:
19177
diff
changeset
|
363 if self.vfs.exists(path + ".i"): |
17744 | 364 return True |
365 # dir? | |
366 if not path.endswith("/"): | |
367 path = path + "/" | |
19903
ca875b271ac3
store: use "vfs.exists()" instead of "os.path.exists()"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
19177
diff
changeset
|
368 return self.vfs.exists(path) |
17744 | 369 |
6898
69aeaaaf6e07
store: simplify class hierarchy
Matt Mackall <mpm@selenic.com>
parents:
6897
diff
changeset
|
370 class encodedstore(basicstore): |
17651
3b49c28658f6
store: rename "openertype" argument to "vfstype"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17649
diff
changeset
|
371 def __init__(self, path, vfstype): |
17724
bf4b72d8dd4d
store: initialize vfs field first to use it for initialization of others
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parents:
17722
diff
changeset
|
372 vfs = vfstype(path + '/store') |
bf4b72d8dd4d
store: initialize vfs field first to use it for initialization of others
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parents:
17722
diff
changeset
|
373 self.path = vfs.base |
17726
7cb7e17c23b2
store: invoke "os.stat()" for "createmode" initialization via vfs
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17725
diff
changeset
|
374 self.createmode = _calcmode(vfs) |
17652
2c6f7231becc
store: rename "op" variables to "vfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17651
diff
changeset
|
375 vfs.createmode = self.createmode |
17728
004bd533880d
store: invoke "os.path.isdir()" via vfs
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17727
diff
changeset
|
376 self.rawvfs = vfs |
17653
dacb50696b75
store: initialize "vfs" fields by "vfs" constructors
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17652
diff
changeset
|
377 self.vfs = scmutil.filtervfs(vfs, encodefilename) |
dacb50696b75
store: initialize "vfs" fields by "vfs" constructors
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parents:
17652
diff
changeset
|
378 self.opener = self.vfs |
6840
80e51429cb9a
introduce store classes
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parents:
6839
diff
changeset
|
379 |
6900
def492d1b592
store: change handling of decoding errors
Matt Mackall <mpm@selenic.com>
parents:
6899
diff
changeset
|
380 def datafiles(self): |
28007
fb92927f9775
treemanifests: fix streaming clone
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parents:
28006
diff
changeset
|
381 for a, b, size in super(encodedstore, self).datafiles(): |
6892
dab95717058d
verify: check repo.store
Adrian Buehlmann <adrian@cadifra.com>
parents:
6890
diff
changeset
|
382 try: |
6900
def492d1b592
store: change handling of decoding errors
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parents:
6899
diff
changeset
|
383 a = decodefilename(a) |
6892
dab95717058d
verify: check repo.store
Adrian Buehlmann <adrian@cadifra.com>
parents:
6890
diff
changeset
|
384 except KeyError: |
6900
def492d1b592
store: change handling of decoding errors
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parents:
6899
diff
changeset
|
385 a = None |
def492d1b592
store: change handling of decoding errors
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parents:
6899
diff
changeset
|
386 yield a, b, size |
6840
80e51429cb9a
introduce store classes
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parents:
6839
diff
changeset
|
387 |
80e51429cb9a
introduce store classes
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parents:
6839
diff
changeset
|
388 def join(self, f): |
13426
643b8212813e
store: remove pointless pathjoiner parameter
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parents:
13391
diff
changeset
|
389 return self.path + '/' + encodefilename(f) |
6840
80e51429cb9a
introduce store classes
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parents:
6839
diff
changeset
|
390 |
6903
0642d9d7ec80
clone: get a list of files to clone from store
Matt Mackall <mpm@selenic.com>
parents:
6902
diff
changeset
|
391 def copylist(self): |
0642d9d7ec80
clone: get a list of files to clone from store
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parents:
6902
diff
changeset
|
392 return (['requires', '00changelog.i'] + |
13426
643b8212813e
store: remove pointless pathjoiner parameter
Adrian Buehlmann <adrian@cadifra.com>
parents:
13391
diff
changeset
|
393 ['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
|
394 |
8530
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
395 class fncache(object): |
8531
810387f59696
filelog encoding: move the encoding/decoding into store
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parents:
8530
diff
changeset
|
396 # the filename used to be partially encoded |
810387f59696
filelog encoding: move the encoding/decoding into store
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parents:
8530
diff
changeset
|
397 # 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
|
398 def __init__(self, vfs): |
3b976051034d
store: rename field name from "opener" to "vfs" in internal classes for fncache
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17721
diff
changeset
|
399 self.vfs = vfs |
7229
7946503ec76e
introduce fncache repository layout
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parents:
6989
diff
changeset
|
400 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
|
401 self._dirty = False |
7229
7946503ec76e
introduce fncache repository layout
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parents:
6989
diff
changeset
|
402 |
8530
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
403 def _load(self): |
03196ac9a8b9
store: refactor the fncache handling
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parents:
8480
diff
changeset
|
404 '''fill the entries from the fncache file''' |
13391
d00bbff8600e
fncachestore: defer updating the fncache file to a single file open
Adrian Buehlmann <adrian@cadifra.com>
parents:
13169
diff
changeset
|
405 self._dirty = False |
8530
03196ac9a8b9
store: refactor the fncache handling
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parents:
8480
diff
changeset
|
406 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
|
407 fp = self.vfs('fncache', mode='rb') |
8530
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
408 except IOError: |
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
409 # 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
|
410 self.entries = set() |
8530
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
411 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
|
412 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
|
413 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
|
414 fp.seek(0) |
9fca5b056c0a
store: speed up read and write of large fncache files
Bryan O'Sullivan <bryano@fb.com>
parents:
15742
diff
changeset
|
415 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
|
416 if not line.rstrip('\n'): |
26778
a95c975f42e3
l10n: use %d instead of %s for numbers
timeless@mozdev.org
parents:
26587
diff
changeset
|
417 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
|
418 raise error.Abort(t) |
8530
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
419 fp.close() |
7229
7946503ec76e
introduce fncache repository layout
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parents:
6989
diff
changeset
|
420 |
20883
cd443c7589cc
fncache: move fncache writing to be in a transaction
Durham Goode <durham@fb.com>
parents:
20879
diff
changeset
|
421 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
|
422 if self._dirty: |
20883
cd443c7589cc
fncache: move fncache writing to be in a transaction
Durham Goode <durham@fb.com>
parents:
20879
diff
changeset
|
423 tr.addbackup('fncache') |
20879
cd03854a2e06
fncache: remove the rewriting logic
Durham Goode <durham@fb.com>
parents:
19903
diff
changeset
|
424 fp = self.vfs('fncache', mode='wb', atomictemp=True) |
cd03854a2e06
fncache: remove the rewriting logic
Durham Goode <durham@fb.com>
parents:
19903
diff
changeset
|
425 if self.entries: |
cd03854a2e06
fncache: remove the rewriting logic
Durham Goode <durham@fb.com>
parents:
19903
diff
changeset
|
426 fp.write(encodedir('\n'.join(self.entries) + '\n')) |
cd03854a2e06
fncache: remove the rewriting logic
Durham Goode <durham@fb.com>
parents:
19903
diff
changeset
|
427 fp.close() |
cd03854a2e06
fncache: remove the rewriting logic
Durham Goode <durham@fb.com>
parents:
19903
diff
changeset
|
428 self._dirty = False |
8530
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
429 |
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
430 def add(self, fn): |
03196ac9a8b9
store: refactor the fncache handling
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parents:
8480
diff
changeset
|
431 if self.entries is None: |
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
432 self._load() |
10577
d5bd1beff794
store: only add new entries to the fncache file
Adrian Buehlmann <adrian@cadifra.com>
parents:
10339
diff
changeset
|
433 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
|
434 self._dirty = True |
10577
d5bd1beff794
store: only add new entries to the fncache file
Adrian Buehlmann <adrian@cadifra.com>
parents:
10339
diff
changeset
|
435 self.entries.add(fn) |
8530
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
436 |
20885
f49d60fa40a5
fncache: clean up fncache during strips
Durham Goode <durham@fb.com>
parents:
20884
diff
changeset
|
437 def remove(self, fn): |
f49d60fa40a5
fncache: clean up fncache during strips
Durham Goode <durham@fb.com>
parents:
20884
diff
changeset
|
438 if self.entries is None: |
f49d60fa40a5
fncache: clean up fncache during strips
Durham Goode <durham@fb.com>
parents:
20884
diff
changeset
|
439 self._load() |
f49d60fa40a5
fncache: clean up fncache during strips
Durham Goode <durham@fb.com>
parents:
20884
diff
changeset
|
440 try: |
f49d60fa40a5
fncache: clean up fncache during strips
Durham Goode <durham@fb.com>
parents:
20884
diff
changeset
|
441 self.entries.remove(fn) |
f49d60fa40a5
fncache: clean up fncache during strips
Durham Goode <durham@fb.com>
parents:
20884
diff
changeset
|
442 self._dirty = True |
f49d60fa40a5
fncache: clean up fncache during strips
Durham Goode <durham@fb.com>
parents:
20884
diff
changeset
|
443 except KeyError: |
f49d60fa40a5
fncache: clean up fncache during strips
Durham Goode <durham@fb.com>
parents:
20884
diff
changeset
|
444 pass |
f49d60fa40a5
fncache: clean up fncache during strips
Durham Goode <durham@fb.com>
parents:
20884
diff
changeset
|
445 |
17782
8095306c1fb2
store: move __contains__() implementation from class fncache into fncachestore
Adrian Buehlmann <adrian@cadifra.com>
parents:
17747
diff
changeset
|
446 def __contains__(self, fn): |
8530
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
447 if self.entries is None: |
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
448 self._load() |
17782
8095306c1fb2
store: move __contains__() implementation from class fncache into fncachestore
Adrian Buehlmann <adrian@cadifra.com>
parents:
17747
diff
changeset
|
449 return fn in self.entries |
8530
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
450 |
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
451 def __iter__(self): |
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
452 if self.entries is None: |
03196ac9a8b9
store: refactor the fncache handling
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
8480
diff
changeset
|
453 self._load() |
03196ac9a8b9
store: refactor the fncache handling
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parents:
8480
diff
changeset
|
454 return iter(self.entries) |
7229
7946503ec76e
introduce fncache repository layout
Adrian Buehlmann <adrian@cadifra.com>
parents:
6989
diff
changeset
|
455 |
17845
408ded42c5ec
scmutil: abstract out mustaudit delegation
Bryan O'Sullivan <bryano@fb.com>
parents:
17784
diff
changeset
|
456 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
|
457 def __init__(self, vfs, fnc, encode): |
17845
408ded42c5ec
scmutil: abstract out mustaudit delegation
Bryan O'Sullivan <bryano@fb.com>
parents:
17784
diff
changeset
|
458 scmutil.auditvfs.__init__(self, vfs) |
14194
3a90fb3addc1
store: break up reference cycle introduced in 9cbff8a39a2a
Adrian Buehlmann <adrian@cadifra.com>
parents:
14166
diff
changeset
|
459 self.fncache = fnc |
3a90fb3addc1
store: break up reference cycle introduced in 9cbff8a39a2a
Adrian Buehlmann <adrian@cadifra.com>
parents:
14166
diff
changeset
|
460 self.encode = encode |
3a90fb3addc1
store: break up reference cycle introduced in 9cbff8a39a2a
Adrian Buehlmann <adrian@cadifra.com>
parents:
14166
diff
changeset
|
461 |
3a90fb3addc1
store: break up reference cycle introduced in 9cbff8a39a2a
Adrian Buehlmann <adrian@cadifra.com>
parents:
14166
diff
changeset
|
462 def __call__(self, path, mode='r', *args, **kw): |
28007
fb92927f9775
treemanifests: fix streaming clone
Martin von Zweigbergk <martinvonz@google.com>
parents:
28006
diff
changeset
|
463 if mode not in ('r', 'rb') and (path.startswith('data/') or |
fb92927f9775
treemanifests: fix streaming clone
Martin von Zweigbergk <martinvonz@google.com>
parents:
28006
diff
changeset
|
464 path.startswith('meta/')): |
14194
3a90fb3addc1
store: break up reference cycle introduced in 9cbff8a39a2a
Adrian Buehlmann <adrian@cadifra.com>
parents:
14166
diff
changeset
|
465 self.fncache.add(path) |
17722
3b976051034d
store: rename field name from "opener" to "vfs" in internal classes for fncache
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
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466 return self.vfs(self.encode(path), mode, *args, **kw) |
14194
3a90fb3addc1
store: break up reference cycle introduced in 9cbff8a39a2a
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parents:
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|
467 |
17725
ffd589d4b785
vfs: define "join()" in each classes derived from "abstractvfs"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17724
diff
changeset
|
468 def join(self, path): |
ffd589d4b785
vfs: define "join()" in each classes derived from "abstractvfs"
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parents:
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changeset
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469 if path: |
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vfs: define "join()" in each classes derived from "abstractvfs"
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parents:
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470 return self.vfs.join(self.encode(path)) |
ffd589d4b785
vfs: define "join()" in each classes derived from "abstractvfs"
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parents:
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471 else: |
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parents:
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472 return self.vfs.join(path) |
ffd589d4b785
vfs: define "join()" in each classes derived from "abstractvfs"
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parents:
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473 |
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474 class fncachestore(basicstore): |
17651
3b49c28658f6
store: rename "openertype" argument to "vfstype"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
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changeset
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475 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
|
476 if dotencode: |
18435
8c019d2fd7c0
store: switch to C-based hashed path encoding
Bryan O'Sullivan <bryano@fb.com>
parents:
18430
diff
changeset
|
477 encode = _pathencode |
17591
9a5c2ecd1158
store: move encode lambda logic into fncachestore
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parents:
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478 else: |
9a5c2ecd1158
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parents:
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changeset
|
479 encode = _plainhybridencode |
12687
34d8247a4595
store: encode first period or space in filenames (issue1713)
Adrian Buehlmann <adrian@cadifra.com>
parents:
12171
diff
changeset
|
480 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
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changeset
|
481 vfs = vfstype(path + '/store') |
bf4b72d8dd4d
store: initialize vfs field first to use it for initialization of others
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parents:
17722
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482 self.path = vfs.base |
17562
b42b0729744d
store: reduce string concatenation when joining
Bryan O'Sullivan <bryano@fb.com>
parents:
17555
diff
changeset
|
483 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
|
484 self.createmode = _calcmode(vfs) |
17652
2c6f7231becc
store: rename "op" variables to "vfs"
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parents:
17651
diff
changeset
|
485 vfs.createmode = self.createmode |
17727
6492b39a44d5
store: replace invocation of "getsize()" by "vfs.stat()"
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parents:
17726
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changeset
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486 self.rawvfs = vfs |
17652
2c6f7231becc
store: rename "op" variables to "vfs"
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parents:
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changeset
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487 fnc = fncache(vfs) |
9133
996c1cd8f530
store: eliminate reference cycle in fncachestore
Simon Heimberg <simohe@besonet.ch>
parents:
8778
diff
changeset
|
488 self.fncache = fnc |
17653
dacb50696b75
store: initialize "vfs" fields by "vfs" constructors
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
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diff
changeset
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489 self.vfs = _fncachevfs(vfs, fnc, encode) |
dacb50696b75
store: initialize "vfs" fields by "vfs" constructors
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parents:
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changeset
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490 self.opener = self.vfs |
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491 |
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492 def join(self, f): |
17562
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parents:
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493 return self.pathsep + self.encode(f) |
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494 |
17731
c85dbae29684
store: restore getsize method
Matt Mackall <mpm@selenic.com>
parents:
17728
diff
changeset
|
495 def getsize(self, path): |
c85dbae29684
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496 return self.rawvfs.stat(path).st_size |
c85dbae29684
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497 |
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498 def datafiles(self): |
17373
4cbb1137941d
store: sort the results of fncachestore.datafiles()
Bryan O'Sullivan <bryano@fb.com>
parents:
17249
diff
changeset
|
499 for f in sorted(self.fncache): |
12687
34d8247a4595
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parents:
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diff
changeset
|
500 ef = self.encode(f) |
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501 try: |
17731
c85dbae29684
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parents:
17728
diff
changeset
|
502 yield f, ef, self.getsize(ef) |
25660
328739ea70c3
global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25658
diff
changeset
|
503 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
|
504 if err.errno != errno.ENOENT: |
0cec762790ed
store: only one kind of OSError means "nonexistent entry"
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parents:
17373
diff
changeset
|
505 raise |
7229
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diff
changeset
|
506 |
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diff
changeset
|
507 def copylist(self): |
28006
bb45190a54b7
treemanifests: fix local clone
Martin von Zweigbergk <martinvonz@google.com>
parents:
27480
diff
changeset
|
508 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
|
509 ' 00manifest.d 00manifest.i 00changelog.d 00changelog.i') |
7229
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|
510 return (['requires', '00changelog.i'] + |
13426
643b8212813e
store: remove pointless pathjoiner parameter
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diff
changeset
|
511 ['store/' + f for f in d.split()]) |
7229
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changeset
|
512 |
20883
cd443c7589cc
fncache: move fncache writing to be in a transaction
Durham Goode <durham@fb.com>
parents:
20879
diff
changeset
|
513 def write(self, tr): |
cd443c7589cc
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parents:
20879
diff
changeset
|
514 self.fncache.write(tr) |
13391
d00bbff8600e
fncachestore: defer updating the fncache file to a single file open
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parents:
13169
diff
changeset
|
515 |
20884
2efdd186925d
caches: invalidate store caches when lock is taken
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diff
changeset
|
516 def invalidatecaches(self): |
2efdd186925d
caches: invalidate store caches when lock is taken
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diff
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|
517 self.fncache.entries = None |
2efdd186925d
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20883
diff
changeset
|
518 |
20885
f49d60fa40a5
fncache: clean up fncache during strips
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20884
diff
changeset
|
519 def markremoved(self, fn): |
f49d60fa40a5
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parents:
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diff
changeset
|
520 self.fncache.remove(fn) |
f49d60fa40a5
fncache: clean up fncache during strips
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parents:
20884
diff
changeset
|
521 |
17783
df55ce6854c3
store: add new _exists helper function on fncachestore
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parents:
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diff
changeset
|
522 def _exists(self, f): |
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store: add new _exists helper function on fncachestore
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changeset
|
523 ef = self.encode(f) |
df55ce6854c3
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diff
changeset
|
524 try: |
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parents:
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changeset
|
525 self.getsize(ef) |
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|
526 return True |
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
527 except OSError as err: |
17783
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parents:
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diff
changeset
|
528 if err.errno != errno.ENOENT: |
df55ce6854c3
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diff
changeset
|
529 raise |
df55ce6854c3
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diff
changeset
|
530 # nonexistent entry |
df55ce6854c3
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changeset
|
531 return False |
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parents:
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diff
changeset
|
532 |
17745 | 533 def __contains__(self, path): |
534 '''Checks if the store contains path''' | |
535 path = "/".join(("data", path)) | |
17782
8095306c1fb2
store: move __contains__() implementation from class fncache into fncachestore
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diff
changeset
|
536 # check for files (exact match) |
17784
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diff
changeset
|
537 e = path + '.i' |
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diff
changeset
|
538 if e in self.fncache 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
|
539 return True |
8095306c1fb2
store: move __contains__() implementation from class fncache into fncachestore
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parents:
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diff
changeset
|
540 # 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
|
541 if not path.endswith('/'): |
8095306c1fb2
store: move __contains__() implementation from class fncache into fncachestore
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parents:
17747
diff
changeset
|
542 path += '/' |
8095306c1fb2
store: move __contains__() implementation from class fncache into fncachestore
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parents:
17747
diff
changeset
|
543 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
|
544 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
|
545 return True |
8095306c1fb2
store: move __contains__() implementation from class fncache into fncachestore
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parents:
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diff
changeset
|
546 return False |
17745 | 547 |
17651
3b49c28658f6
store: rename "openertype" argument to "vfstype"
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
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diff
changeset
|
548 def store(requirements, path, vfstype): |
6898
69aeaaaf6e07
store: simplify class hierarchy
Matt Mackall <mpm@selenic.com>
parents:
6897
diff
changeset
|
549 if 'store' in requirements: |
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changeset
|
550 if 'fncache' in requirements: |
17651
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parents:
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diff
changeset
|
551 return fncachestore(path, vfstype, 'dotencode' in requirements) |
3b49c28658f6
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parents:
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diff
changeset
|
552 return encodedstore(path, vfstype) |
3b49c28658f6
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
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diff
changeset
|
553 return basicstore(path, vfstype) |