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@@ -1,919 +1,916 b'' | |||
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1 | 1 | # dirstate.py - working directory tracking for mercurial |
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2 | 2 | # |
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3 | 3 | # Copyright 2005-2007 Matt Mackall <mpm@selenic.com> |
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4 | 4 | # |
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5 | 5 | # This software may be used and distributed according to the terms of the |
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6 | 6 | # GNU General Public License version 2 or any later version. |
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7 | 7 | |
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8 | 8 | from node import nullid |
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9 | 9 | from i18n import _ |
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10 | 10 | import scmutil, util, ignore, osutil, parsers, encoding, pathutil |
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11 |
import os, stat, errno |
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11 | import os, stat, errno | |
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12 | 12 | |
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13 | 13 | propertycache = util.propertycache |
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14 | 14 | filecache = scmutil.filecache |
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15 | 15 | _rangemask = 0x7fffffff |
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16 | 16 | |
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17 | 17 | dirstatetuple = parsers.dirstatetuple |
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18 | 18 | |
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19 | 19 | class repocache(filecache): |
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20 | 20 | """filecache for files in .hg/""" |
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21 | 21 | def join(self, obj, fname): |
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22 | 22 | return obj._opener.join(fname) |
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23 | 23 | |
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24 | 24 | class rootcache(filecache): |
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25 | 25 | """filecache for files in the repository root""" |
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26 | 26 | def join(self, obj, fname): |
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27 | 27 | return obj._join(fname) |
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28 | 28 | |
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29 | 29 | class dirstate(object): |
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30 | 30 | |
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31 | 31 | def __init__(self, opener, ui, root, validate): |
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32 | 32 | '''Create a new dirstate object. |
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33 | 33 | |
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34 | 34 | opener is an open()-like callable that can be used to open the |
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35 | 35 | dirstate file; root is the root of the directory tracked by |
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36 | 36 | the dirstate. |
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37 | 37 | ''' |
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38 | 38 | self._opener = opener |
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39 | 39 | self._validate = validate |
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40 | 40 | self._root = root |
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41 | 41 | self._rootdir = os.path.join(root, '') |
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42 | 42 | self._dirty = False |
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43 | 43 | self._dirtypl = False |
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44 | 44 | self._lastnormaltime = 0 |
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45 | 45 | self._ui = ui |
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46 | 46 | self._filecache = {} |
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47 | 47 | self._parentwriters = 0 |
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48 | 48 | |
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49 | 49 | def beginparentchange(self): |
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50 | 50 | '''Marks the beginning of a set of changes that involve changing |
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51 | 51 | the dirstate parents. If there is an exception during this time, |
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52 | 52 | the dirstate will not be written when the wlock is released. This |
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53 | 53 | prevents writing an incoherent dirstate where the parent doesn't |
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54 | 54 | match the contents. |
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55 | 55 | ''' |
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56 | 56 | self._parentwriters += 1 |
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57 | 57 | |
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58 | 58 | def endparentchange(self): |
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59 | 59 | '''Marks the end of a set of changes that involve changing the |
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60 | 60 | dirstate parents. Once all parent changes have been marked done, |
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61 | 61 | the wlock will be free to write the dirstate on release. |
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62 | 62 | ''' |
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63 | 63 | if self._parentwriters > 0: |
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64 | 64 | self._parentwriters -= 1 |
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65 | 65 | |
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66 | 66 | def pendingparentchange(self): |
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67 | 67 | '''Returns true if the dirstate is in the middle of a set of changes |
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68 | 68 | that modify the dirstate parent. |
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69 | 69 | ''' |
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70 | 70 | return self._parentwriters > 0 |
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71 | 71 | |
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72 | 72 | @propertycache |
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73 | 73 | def _map(self): |
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74 | 74 | '''Return the dirstate contents as a map from filename to |
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75 | 75 | (state, mode, size, time).''' |
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76 | 76 | self._read() |
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77 | 77 | return self._map |
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78 | 78 | |
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79 | 79 | @propertycache |
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80 | 80 | def _copymap(self): |
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81 | 81 | self._read() |
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82 | 82 | return self._copymap |
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83 | 83 | |
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84 | 84 | @propertycache |
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85 | 85 | def _foldmap(self): |
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86 | 86 | f = {} |
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87 | 87 | normcase = util.normcase |
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88 | 88 | for name, s in self._map.iteritems(): |
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89 | 89 | if s[0] != 'r': |
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90 | 90 | f[normcase(name)] = name |
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91 | 91 | for name in self._dirs: |
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92 | 92 | f[normcase(name)] = name |
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93 | 93 | f['.'] = '.' # prevents useless util.fspath() invocation |
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94 | 94 | return f |
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95 | 95 | |
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96 | 96 | @repocache('branch') |
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97 | 97 | def _branch(self): |
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98 | 98 | try: |
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99 | 99 | return self._opener.read("branch").strip() or "default" |
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100 | 100 | except IOError, inst: |
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101 | 101 | if inst.errno != errno.ENOENT: |
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102 | 102 | raise |
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103 | 103 | return "default" |
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104 | 104 | |
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105 | 105 | @propertycache |
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106 | 106 | def _pl(self): |
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107 | 107 | try: |
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108 | 108 | fp = self._opener("dirstate") |
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109 | 109 | st = fp.read(40) |
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110 | 110 | fp.close() |
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111 | 111 | l = len(st) |
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112 | 112 | if l == 40: |
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113 | 113 | return st[:20], st[20:40] |
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114 | 114 | elif l > 0 and l < 40: |
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115 | 115 | raise util.Abort(_('working directory state appears damaged!')) |
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116 | 116 | except IOError, err: |
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117 | 117 | if err.errno != errno.ENOENT: |
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118 | 118 | raise |
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119 | 119 | return [nullid, nullid] |
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120 | 120 | |
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121 | 121 | @propertycache |
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122 | 122 | def _dirs(self): |
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123 | 123 | return scmutil.dirs(self._map, 'r') |
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124 | 124 | |
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125 | 125 | def dirs(self): |
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126 | 126 | return self._dirs |
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127 | 127 | |
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128 | 128 | @rootcache('.hgignore') |
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129 | 129 | def _ignore(self): |
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130 | 130 | files = [self._join('.hgignore')] |
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131 | 131 | for name, path in self._ui.configitems("ui"): |
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132 | 132 | if name == 'ignore' or name.startswith('ignore.'): |
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133 | 133 | files.append(util.expandpath(path)) |
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134 | 134 | return ignore.ignore(self._root, files, self._ui.warn) |
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135 | 135 | |
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136 | 136 | @propertycache |
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137 | 137 | def _slash(self): |
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138 | 138 | return self._ui.configbool('ui', 'slash') and os.sep != '/' |
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139 | 139 | |
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140 | 140 | @propertycache |
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141 | 141 | def _checklink(self): |
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142 | 142 | return util.checklink(self._root) |
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143 | 143 | |
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144 | 144 | @propertycache |
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145 | 145 | def _checkexec(self): |
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146 | 146 | return util.checkexec(self._root) |
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147 | 147 | |
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148 | 148 | @propertycache |
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149 | 149 | def _checkcase(self): |
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150 | 150 | return not util.checkcase(self._join('.hg')) |
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151 | 151 | |
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152 | 152 | def _join(self, f): |
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153 | 153 | # much faster than os.path.join() |
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154 | 154 | # it's safe because f is always a relative path |
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155 | 155 | return self._rootdir + f |
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156 | 156 | |
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157 | 157 | def flagfunc(self, buildfallback): |
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158 | 158 | if self._checklink and self._checkexec: |
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159 | 159 | def f(x): |
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160 | 160 | try: |
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161 | 161 | st = os.lstat(self._join(x)) |
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162 | 162 | if util.statislink(st): |
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163 | 163 | return 'l' |
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164 | 164 | if util.statisexec(st): |
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165 | 165 | return 'x' |
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166 | 166 | except OSError: |
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167 | 167 | pass |
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168 | 168 | return '' |
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169 | 169 | return f |
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170 | 170 | |
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171 | 171 | fallback = buildfallback() |
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172 | 172 | if self._checklink: |
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173 | 173 | def f(x): |
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174 | 174 | if os.path.islink(self._join(x)): |
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175 | 175 | return 'l' |
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176 | 176 | if 'x' in fallback(x): |
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177 | 177 | return 'x' |
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178 | 178 | return '' |
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179 | 179 | return f |
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180 | 180 | if self._checkexec: |
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181 | 181 | def f(x): |
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182 | 182 | if 'l' in fallback(x): |
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183 | 183 | return 'l' |
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184 | 184 | if util.isexec(self._join(x)): |
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185 | 185 | return 'x' |
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186 | 186 | return '' |
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187 | 187 | return f |
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188 | 188 | else: |
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189 | 189 | return fallback |
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190 | 190 | |
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191 | 191 | @propertycache |
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192 | 192 | def _cwd(self): |
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193 | 193 | return os.getcwd() |
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194 | 194 | |
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195 | 195 | def getcwd(self): |
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196 | 196 | cwd = self._cwd |
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197 | 197 | if cwd == self._root: |
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198 | 198 | return '' |
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199 | 199 | # self._root ends with a path separator if self._root is '/' or 'C:\' |
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200 | 200 | rootsep = self._root |
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201 | 201 | if not util.endswithsep(rootsep): |
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202 | 202 | rootsep += os.sep |
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203 | 203 | if cwd.startswith(rootsep): |
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204 | 204 | return cwd[len(rootsep):] |
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205 | 205 | else: |
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206 | 206 | # we're outside the repo. return an absolute path. |
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207 | 207 | return cwd |
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208 | 208 | |
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209 | 209 | def pathto(self, f, cwd=None): |
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210 | 210 | if cwd is None: |
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211 | 211 | cwd = self.getcwd() |
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212 | 212 | path = util.pathto(self._root, cwd, f) |
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213 | 213 | if self._slash: |
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214 | 214 | return util.pconvert(path) |
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215 | 215 | return path |
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216 | 216 | |
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217 | 217 | def __getitem__(self, key): |
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218 | 218 | '''Return the current state of key (a filename) in the dirstate. |
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219 | 219 | |
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220 | 220 | States are: |
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221 | 221 | n normal |
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222 | 222 | m needs merging |
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223 | 223 | r marked for removal |
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224 | 224 | a marked for addition |
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225 | 225 | ? not tracked |
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226 | 226 | ''' |
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227 | 227 | return self._map.get(key, ("?",))[0] |
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228 | 228 | |
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229 | 229 | def __contains__(self, key): |
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230 | 230 | return key in self._map |
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231 | 231 | |
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232 | 232 | def __iter__(self): |
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233 | 233 | for x in sorted(self._map): |
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234 | 234 | yield x |
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235 | 235 | |
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236 | 236 | def iteritems(self): |
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237 | 237 | return self._map.iteritems() |
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238 | 238 | |
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239 | 239 | def parents(self): |
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240 | 240 | return [self._validate(p) for p in self._pl] |
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241 | 241 | |
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242 | 242 | def p1(self): |
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243 | 243 | return self._validate(self._pl[0]) |
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244 | 244 | |
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245 | 245 | def p2(self): |
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246 | 246 | return self._validate(self._pl[1]) |
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247 | 247 | |
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248 | 248 | def branch(self): |
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249 | 249 | return encoding.tolocal(self._branch) |
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250 | 250 | |
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251 | 251 | def setparents(self, p1, p2=nullid): |
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252 | 252 | """Set dirstate parents to p1 and p2. |
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253 | 253 | |
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254 | 254 | When moving from two parents to one, 'm' merged entries a |
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255 | 255 | adjusted to normal and previous copy records discarded and |
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256 | 256 | returned by the call. |
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257 | 257 | |
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258 | 258 | See localrepo.setparents() |
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259 | 259 | """ |
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260 | 260 | if self._parentwriters == 0: |
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261 | 261 | raise ValueError("cannot set dirstate parent without " |
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262 | 262 | "calling dirstate.beginparentchange") |
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263 | 263 | |
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264 | 264 | self._dirty = self._dirtypl = True |
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265 | 265 | oldp2 = self._pl[1] |
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266 | 266 | self._pl = p1, p2 |
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267 | 267 | copies = {} |
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268 | 268 | if oldp2 != nullid and p2 == nullid: |
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269 | 269 | for f, s in self._map.iteritems(): |
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270 | 270 | # Discard 'm' markers when moving away from a merge state |
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271 | 271 | if s[0] == 'm': |
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272 | 272 | if f in self._copymap: |
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273 | 273 | copies[f] = self._copymap[f] |
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274 | 274 | self.normallookup(f) |
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275 | 275 | # Also fix up otherparent markers |
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276 | 276 | elif s[0] == 'n' and s[2] == -2: |
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277 | 277 | if f in self._copymap: |
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278 | 278 | copies[f] = self._copymap[f] |
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279 | 279 | self.add(f) |
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280 | 280 | return copies |
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281 | 281 | |
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282 | 282 | def setbranch(self, branch): |
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283 | 283 | self._branch = encoding.fromlocal(branch) |
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284 | 284 | f = self._opener('branch', 'w', atomictemp=True) |
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285 | 285 | try: |
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286 | 286 | f.write(self._branch + '\n') |
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287 | 287 | f.close() |
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288 | 288 | |
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289 | 289 | # make sure filecache has the correct stat info for _branch after |
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290 | 290 | # replacing the underlying file |
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291 | 291 | ce = self._filecache['_branch'] |
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292 | 292 | if ce: |
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293 | 293 | ce.refresh() |
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294 | 294 | except: # re-raises |
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295 | 295 | f.discard() |
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296 | 296 | raise |
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297 | 297 | |
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298 | 298 | def _read(self): |
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299 | 299 | self._map = {} |
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300 | 300 | self._copymap = {} |
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301 | 301 | try: |
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302 | 302 | st = self._opener.read("dirstate") |
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303 | 303 | except IOError, err: |
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304 | 304 | if err.errno != errno.ENOENT: |
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305 | 305 | raise |
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306 | 306 | return |
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307 | 307 | if not st: |
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308 | 308 | return |
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309 | 309 | |
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310 | 310 | # Python's garbage collector triggers a GC each time a certain number |
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311 | 311 | # of container objects (the number being defined by |
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312 | 312 | # gc.get_threshold()) are allocated. parse_dirstate creates a tuple |
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313 | 313 | # for each file in the dirstate. The C version then immediately marks |
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314 | 314 | # them as not to be tracked by the collector. However, this has no |
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315 | 315 | # effect on when GCs are triggered, only on what objects the GC looks |
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316 | 316 | # into. This means that O(number of files) GCs are unavoidable. |
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317 | 317 | # Depending on when in the process's lifetime the dirstate is parsed, |
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318 | 318 | # this can get very expensive. As a workaround, disable GC while |
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319 | 319 | # parsing the dirstate. |
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320 | gcenabled = gc.isenabled() | |
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321 | gc.disable() | |
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322 | try: | |
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323 |
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324 | finally: | |
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325 | if gcenabled: | |
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326 | gc.enable() | |
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320 | # | |
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321 | # (we cannot decorate the function directly since it is in a C module) | |
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322 | parse_dirstate = util.nogc(parsers.parse_dirstate) | |
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323 | p = parse_dirstate(self._map, self._copymap, st) | |
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327 | 324 | if not self._dirtypl: |
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328 | 325 | self._pl = p |
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329 | 326 | |
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330 | 327 | def invalidate(self): |
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331 | 328 | for a in ("_map", "_copymap", "_foldmap", "_branch", "_pl", "_dirs", |
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332 | 329 | "_ignore"): |
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333 | 330 | if a in self.__dict__: |
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334 | 331 | delattr(self, a) |
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335 | 332 | self._lastnormaltime = 0 |
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336 | 333 | self._dirty = False |
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337 | 334 | self._parentwriters = 0 |
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338 | 335 | |
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339 | 336 | def copy(self, source, dest): |
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340 | 337 | """Mark dest as a copy of source. Unmark dest if source is None.""" |
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341 | 338 | if source == dest: |
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342 | 339 | return |
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343 | 340 | self._dirty = True |
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344 | 341 | if source is not None: |
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345 | 342 | self._copymap[dest] = source |
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346 | 343 | elif dest in self._copymap: |
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347 | 344 | del self._copymap[dest] |
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348 | 345 | |
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349 | 346 | def copied(self, file): |
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350 | 347 | return self._copymap.get(file, None) |
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351 | 348 | |
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352 | 349 | def copies(self): |
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353 | 350 | return self._copymap |
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354 | 351 | |
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355 | 352 | def _droppath(self, f): |
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356 | 353 | if self[f] not in "?r" and "_dirs" in self.__dict__: |
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357 | 354 | self._dirs.delpath(f) |
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358 | 355 | |
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359 | 356 | def _addpath(self, f, state, mode, size, mtime): |
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360 | 357 | oldstate = self[f] |
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361 | 358 | if state == 'a' or oldstate == 'r': |
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362 | 359 | scmutil.checkfilename(f) |
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363 | 360 | if f in self._dirs: |
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364 | 361 | raise util.Abort(_('directory %r already in dirstate') % f) |
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365 | 362 | # shadows |
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366 | 363 | for d in scmutil.finddirs(f): |
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367 | 364 | if d in self._dirs: |
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368 | 365 | break |
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369 | 366 | if d in self._map and self[d] != 'r': |
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370 | 367 | raise util.Abort( |
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371 | 368 | _('file %r in dirstate clashes with %r') % (d, f)) |
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372 | 369 | if oldstate in "?r" and "_dirs" in self.__dict__: |
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373 | 370 | self._dirs.addpath(f) |
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374 | 371 | self._dirty = True |
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375 | 372 | self._map[f] = dirstatetuple(state, mode, size, mtime) |
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376 | 373 | |
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377 | 374 | def normal(self, f): |
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378 | 375 | '''Mark a file normal and clean.''' |
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379 | 376 | s = os.lstat(self._join(f)) |
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380 | 377 | mtime = int(s.st_mtime) |
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381 | 378 | self._addpath(f, 'n', s.st_mode, |
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382 | 379 | s.st_size & _rangemask, mtime & _rangemask) |
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383 | 380 | if f in self._copymap: |
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384 | 381 | del self._copymap[f] |
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385 | 382 | if mtime > self._lastnormaltime: |
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386 | 383 | # Remember the most recent modification timeslot for status(), |
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387 | 384 | # to make sure we won't miss future size-preserving file content |
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388 | 385 | # modifications that happen within the same timeslot. |
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389 | 386 | self._lastnormaltime = mtime |
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390 | 387 | |
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391 | 388 | def normallookup(self, f): |
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392 | 389 | '''Mark a file normal, but possibly dirty.''' |
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393 | 390 | if self._pl[1] != nullid and f in self._map: |
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394 | 391 | # if there is a merge going on and the file was either |
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395 | 392 | # in state 'm' (-1) or coming from other parent (-2) before |
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396 | 393 | # being removed, restore that state. |
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397 | 394 | entry = self._map[f] |
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398 | 395 | if entry[0] == 'r' and entry[2] in (-1, -2): |
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399 | 396 | source = self._copymap.get(f) |
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400 | 397 | if entry[2] == -1: |
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401 | 398 | self.merge(f) |
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402 | 399 | elif entry[2] == -2: |
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403 | 400 | self.otherparent(f) |
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404 | 401 | if source: |
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405 | 402 | self.copy(source, f) |
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406 | 403 | return |
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407 | 404 | if entry[0] == 'm' or entry[0] == 'n' and entry[2] == -2: |
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408 | 405 | return |
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409 | 406 | self._addpath(f, 'n', 0, -1, -1) |
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410 | 407 | if f in self._copymap: |
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411 | 408 | del self._copymap[f] |
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412 | 409 | |
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413 | 410 | def otherparent(self, f): |
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414 | 411 | '''Mark as coming from the other parent, always dirty.''' |
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415 | 412 | if self._pl[1] == nullid: |
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416 | 413 | raise util.Abort(_("setting %r to other parent " |
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417 | 414 | "only allowed in merges") % f) |
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418 | 415 | if f in self and self[f] == 'n': |
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419 | 416 | # merge-like |
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420 | 417 | self._addpath(f, 'm', 0, -2, -1) |
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421 | 418 | else: |
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422 | 419 | # add-like |
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423 | 420 | self._addpath(f, 'n', 0, -2, -1) |
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424 | 421 | |
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425 | 422 | if f in self._copymap: |
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426 | 423 | del self._copymap[f] |
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427 | 424 | |
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428 | 425 | def add(self, f): |
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429 | 426 | '''Mark a file added.''' |
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430 | 427 | self._addpath(f, 'a', 0, -1, -1) |
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431 | 428 | if f in self._copymap: |
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432 | 429 | del self._copymap[f] |
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433 | 430 | |
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434 | 431 | def remove(self, f): |
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435 | 432 | '''Mark a file removed.''' |
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436 | 433 | self._dirty = True |
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437 | 434 | self._droppath(f) |
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438 | 435 | size = 0 |
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439 | 436 | if self._pl[1] != nullid and f in self._map: |
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440 | 437 | # backup the previous state |
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441 | 438 | entry = self._map[f] |
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442 | 439 | if entry[0] == 'm': # merge |
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443 | 440 | size = -1 |
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444 | 441 | elif entry[0] == 'n' and entry[2] == -2: # other parent |
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445 | 442 | size = -2 |
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446 | 443 | self._map[f] = dirstatetuple('r', 0, size, 0) |
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447 | 444 | if size == 0 and f in self._copymap: |
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448 | 445 | del self._copymap[f] |
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449 | 446 | |
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450 | 447 | def merge(self, f): |
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451 | 448 | '''Mark a file merged.''' |
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452 | 449 | if self._pl[1] == nullid: |
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453 | 450 | return self.normallookup(f) |
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454 | 451 | return self.otherparent(f) |
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455 | 452 | |
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456 | 453 | def drop(self, f): |
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457 | 454 | '''Drop a file from the dirstate''' |
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458 | 455 | if f in self._map: |
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459 | 456 | self._dirty = True |
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460 | 457 | self._droppath(f) |
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461 | 458 | del self._map[f] |
|
462 | 459 | |
|
463 | 460 | def _normalize(self, path, isknown, ignoremissing=False, exists=None): |
|
464 | 461 | normed = util.normcase(path) |
|
465 | 462 | folded = self._foldmap.get(normed, None) |
|
466 | 463 | if folded is None: |
|
467 | 464 | if isknown: |
|
468 | 465 | folded = path |
|
469 | 466 | else: |
|
470 | 467 | if exists is None: |
|
471 | 468 | exists = os.path.lexists(os.path.join(self._root, path)) |
|
472 | 469 | if not exists: |
|
473 | 470 | # Maybe a path component exists |
|
474 | 471 | if not ignoremissing and '/' in path: |
|
475 | 472 | d, f = path.rsplit('/', 1) |
|
476 | 473 | d = self._normalize(d, isknown, ignoremissing, None) |
|
477 | 474 | folded = d + "/" + f |
|
478 | 475 | else: |
|
479 | 476 | # No path components, preserve original case |
|
480 | 477 | folded = path |
|
481 | 478 | else: |
|
482 | 479 | # recursively normalize leading directory components |
|
483 | 480 | # against dirstate |
|
484 | 481 | if '/' in normed: |
|
485 | 482 | d, f = normed.rsplit('/', 1) |
|
486 | 483 | d = self._normalize(d, isknown, ignoremissing, True) |
|
487 | 484 | r = self._root + "/" + d |
|
488 | 485 | folded = d + "/" + util.fspath(f, r) |
|
489 | 486 | else: |
|
490 | 487 | folded = util.fspath(normed, self._root) |
|
491 | 488 | self._foldmap[normed] = folded |
|
492 | 489 | |
|
493 | 490 | return folded |
|
494 | 491 | |
|
495 | 492 | def normalize(self, path, isknown=False, ignoremissing=False): |
|
496 | 493 | ''' |
|
497 | 494 | normalize the case of a pathname when on a casefolding filesystem |
|
498 | 495 | |
|
499 | 496 | isknown specifies whether the filename came from walking the |
|
500 | 497 | disk, to avoid extra filesystem access. |
|
501 | 498 | |
|
502 | 499 | If ignoremissing is True, missing path are returned |
|
503 | 500 | unchanged. Otherwise, we try harder to normalize possibly |
|
504 | 501 | existing path components. |
|
505 | 502 | |
|
506 | 503 | The normalized case is determined based on the following precedence: |
|
507 | 504 | |
|
508 | 505 | - version of name already stored in the dirstate |
|
509 | 506 | - version of name stored on disk |
|
510 | 507 | - version provided via command arguments |
|
511 | 508 | ''' |
|
512 | 509 | |
|
513 | 510 | if self._checkcase: |
|
514 | 511 | return self._normalize(path, isknown, ignoremissing) |
|
515 | 512 | return path |
|
516 | 513 | |
|
517 | 514 | def clear(self): |
|
518 | 515 | self._map = {} |
|
519 | 516 | if "_dirs" in self.__dict__: |
|
520 | 517 | delattr(self, "_dirs") |
|
521 | 518 | self._copymap = {} |
|
522 | 519 | self._pl = [nullid, nullid] |
|
523 | 520 | self._lastnormaltime = 0 |
|
524 | 521 | self._dirty = True |
|
525 | 522 | |
|
526 | 523 | def rebuild(self, parent, allfiles, changedfiles=None): |
|
527 | 524 | changedfiles = changedfiles or allfiles |
|
528 | 525 | oldmap = self._map |
|
529 | 526 | self.clear() |
|
530 | 527 | for f in allfiles: |
|
531 | 528 | if f not in changedfiles: |
|
532 | 529 | self._map[f] = oldmap[f] |
|
533 | 530 | else: |
|
534 | 531 | if 'x' in allfiles.flags(f): |
|
535 | 532 | self._map[f] = dirstatetuple('n', 0777, -1, 0) |
|
536 | 533 | else: |
|
537 | 534 | self._map[f] = dirstatetuple('n', 0666, -1, 0) |
|
538 | 535 | self._pl = (parent, nullid) |
|
539 | 536 | self._dirty = True |
|
540 | 537 | |
|
541 | 538 | def write(self): |
|
542 | 539 | if not self._dirty: |
|
543 | 540 | return |
|
544 | 541 | |
|
545 | 542 | # enough 'delaywrite' prevents 'pack_dirstate' from dropping |
|
546 | 543 | # timestamp of each entries in dirstate, because of 'now > mtime' |
|
547 | 544 | delaywrite = self._ui.configint('debug', 'dirstate.delaywrite', 0) |
|
548 | 545 | if delaywrite: |
|
549 | 546 | import time # to avoid useless import |
|
550 | 547 | time.sleep(delaywrite) |
|
551 | 548 | |
|
552 | 549 | st = self._opener("dirstate", "w", atomictemp=True) |
|
553 | 550 | # use the modification time of the newly created temporary file as the |
|
554 | 551 | # filesystem's notion of 'now' |
|
555 | 552 | now = util.fstat(st).st_mtime |
|
556 | 553 | st.write(parsers.pack_dirstate(self._map, self._copymap, self._pl, now)) |
|
557 | 554 | st.close() |
|
558 | 555 | self._lastnormaltime = 0 |
|
559 | 556 | self._dirty = self._dirtypl = False |
|
560 | 557 | |
|
561 | 558 | def _dirignore(self, f): |
|
562 | 559 | if f == '.': |
|
563 | 560 | return False |
|
564 | 561 | if self._ignore(f): |
|
565 | 562 | return True |
|
566 | 563 | for p in scmutil.finddirs(f): |
|
567 | 564 | if self._ignore(p): |
|
568 | 565 | return True |
|
569 | 566 | return False |
|
570 | 567 | |
|
571 | 568 | def _walkexplicit(self, match, subrepos): |
|
572 | 569 | '''Get stat data about the files explicitly specified by match. |
|
573 | 570 | |
|
574 | 571 | Return a triple (results, dirsfound, dirsnotfound). |
|
575 | 572 | - results is a mapping from filename to stat result. It also contains |
|
576 | 573 | listings mapping subrepos and .hg to None. |
|
577 | 574 | - dirsfound is a list of files found to be directories. |
|
578 | 575 | - dirsnotfound is a list of files that the dirstate thinks are |
|
579 | 576 | directories and that were not found.''' |
|
580 | 577 | |
|
581 | 578 | def badtype(mode): |
|
582 | 579 | kind = _('unknown') |
|
583 | 580 | if stat.S_ISCHR(mode): |
|
584 | 581 | kind = _('character device') |
|
585 | 582 | elif stat.S_ISBLK(mode): |
|
586 | 583 | kind = _('block device') |
|
587 | 584 | elif stat.S_ISFIFO(mode): |
|
588 | 585 | kind = _('fifo') |
|
589 | 586 | elif stat.S_ISSOCK(mode): |
|
590 | 587 | kind = _('socket') |
|
591 | 588 | elif stat.S_ISDIR(mode): |
|
592 | 589 | kind = _('directory') |
|
593 | 590 | return _('unsupported file type (type is %s)') % kind |
|
594 | 591 | |
|
595 | 592 | matchedir = match.explicitdir |
|
596 | 593 | badfn = match.bad |
|
597 | 594 | dmap = self._map |
|
598 | 595 | normpath = util.normpath |
|
599 | 596 | lstat = os.lstat |
|
600 | 597 | getkind = stat.S_IFMT |
|
601 | 598 | dirkind = stat.S_IFDIR |
|
602 | 599 | regkind = stat.S_IFREG |
|
603 | 600 | lnkkind = stat.S_IFLNK |
|
604 | 601 | join = self._join |
|
605 | 602 | dirsfound = [] |
|
606 | 603 | foundadd = dirsfound.append |
|
607 | 604 | dirsnotfound = [] |
|
608 | 605 | notfoundadd = dirsnotfound.append |
|
609 | 606 | |
|
610 | 607 | if match.matchfn != match.exact and self._checkcase: |
|
611 | 608 | normalize = self._normalize |
|
612 | 609 | else: |
|
613 | 610 | normalize = None |
|
614 | 611 | |
|
615 | 612 | files = sorted(match.files()) |
|
616 | 613 | subrepos.sort() |
|
617 | 614 | i, j = 0, 0 |
|
618 | 615 | while i < len(files) and j < len(subrepos): |
|
619 | 616 | subpath = subrepos[j] + "/" |
|
620 | 617 | if files[i] < subpath: |
|
621 | 618 | i += 1 |
|
622 | 619 | continue |
|
623 | 620 | while i < len(files) and files[i].startswith(subpath): |
|
624 | 621 | del files[i] |
|
625 | 622 | j += 1 |
|
626 | 623 | |
|
627 | 624 | if not files or '.' in files: |
|
628 | 625 | files = [''] |
|
629 | 626 | results = dict.fromkeys(subrepos) |
|
630 | 627 | results['.hg'] = None |
|
631 | 628 | |
|
632 | 629 | alldirs = None |
|
633 | 630 | for ff in files: |
|
634 | 631 | if normalize: |
|
635 | 632 | nf = normalize(normpath(ff), False, True) |
|
636 | 633 | else: |
|
637 | 634 | nf = normpath(ff) |
|
638 | 635 | if nf in results: |
|
639 | 636 | continue |
|
640 | 637 | |
|
641 | 638 | try: |
|
642 | 639 | st = lstat(join(nf)) |
|
643 | 640 | kind = getkind(st.st_mode) |
|
644 | 641 | if kind == dirkind: |
|
645 | 642 | if nf in dmap: |
|
646 | 643 | # file replaced by dir on disk but still in dirstate |
|
647 | 644 | results[nf] = None |
|
648 | 645 | if matchedir: |
|
649 | 646 | matchedir(nf) |
|
650 | 647 | foundadd(nf) |
|
651 | 648 | elif kind == regkind or kind == lnkkind: |
|
652 | 649 | results[nf] = st |
|
653 | 650 | else: |
|
654 | 651 | badfn(ff, badtype(kind)) |
|
655 | 652 | if nf in dmap: |
|
656 | 653 | results[nf] = None |
|
657 | 654 | except OSError, inst: # nf not found on disk - it is dirstate only |
|
658 | 655 | if nf in dmap: # does it exactly match a missing file? |
|
659 | 656 | results[nf] = None |
|
660 | 657 | else: # does it match a missing directory? |
|
661 | 658 | if alldirs is None: |
|
662 | 659 | alldirs = scmutil.dirs(dmap) |
|
663 | 660 | if nf in alldirs: |
|
664 | 661 | if matchedir: |
|
665 | 662 | matchedir(nf) |
|
666 | 663 | notfoundadd(nf) |
|
667 | 664 | else: |
|
668 | 665 | badfn(ff, inst.strerror) |
|
669 | 666 | |
|
670 | 667 | return results, dirsfound, dirsnotfound |
|
671 | 668 | |
|
672 | 669 | def walk(self, match, subrepos, unknown, ignored, full=True): |
|
673 | 670 | ''' |
|
674 | 671 | Walk recursively through the directory tree, finding all files |
|
675 | 672 | matched by match. |
|
676 | 673 | |
|
677 | 674 | If full is False, maybe skip some known-clean files. |
|
678 | 675 | |
|
679 | 676 | Return a dict mapping filename to stat-like object (either |
|
680 | 677 | mercurial.osutil.stat instance or return value of os.stat()). |
|
681 | 678 | |
|
682 | 679 | ''' |
|
683 | 680 | # full is a flag that extensions that hook into walk can use -- this |
|
684 | 681 | # implementation doesn't use it at all. This satisfies the contract |
|
685 | 682 | # because we only guarantee a "maybe". |
|
686 | 683 | |
|
687 | 684 | if ignored: |
|
688 | 685 | ignore = util.never |
|
689 | 686 | dirignore = util.never |
|
690 | 687 | elif unknown: |
|
691 | 688 | ignore = self._ignore |
|
692 | 689 | dirignore = self._dirignore |
|
693 | 690 | else: |
|
694 | 691 | # if not unknown and not ignored, drop dir recursion and step 2 |
|
695 | 692 | ignore = util.always |
|
696 | 693 | dirignore = util.always |
|
697 | 694 | |
|
698 | 695 | matchfn = match.matchfn |
|
699 | 696 | matchalways = match.always() |
|
700 | 697 | matchtdir = match.traversedir |
|
701 | 698 | dmap = self._map |
|
702 | 699 | listdir = osutil.listdir |
|
703 | 700 | lstat = os.lstat |
|
704 | 701 | dirkind = stat.S_IFDIR |
|
705 | 702 | regkind = stat.S_IFREG |
|
706 | 703 | lnkkind = stat.S_IFLNK |
|
707 | 704 | join = self._join |
|
708 | 705 | |
|
709 | 706 | exact = skipstep3 = False |
|
710 | 707 | if matchfn == match.exact: # match.exact |
|
711 | 708 | exact = True |
|
712 | 709 | dirignore = util.always # skip step 2 |
|
713 | 710 | elif match.files() and not match.anypats(): # match.match, no patterns |
|
714 | 711 | skipstep3 = True |
|
715 | 712 | |
|
716 | 713 | if not exact and self._checkcase: |
|
717 | 714 | normalize = self._normalize |
|
718 | 715 | skipstep3 = False |
|
719 | 716 | else: |
|
720 | 717 | normalize = None |
|
721 | 718 | |
|
722 | 719 | # step 1: find all explicit files |
|
723 | 720 | results, work, dirsnotfound = self._walkexplicit(match, subrepos) |
|
724 | 721 | |
|
725 | 722 | skipstep3 = skipstep3 and not (work or dirsnotfound) |
|
726 | 723 | work = [d for d in work if not dirignore(d)] |
|
727 | 724 | wadd = work.append |
|
728 | 725 | |
|
729 | 726 | # step 2: visit subdirectories |
|
730 | 727 | while work: |
|
731 | 728 | nd = work.pop() |
|
732 | 729 | skip = None |
|
733 | 730 | if nd == '.': |
|
734 | 731 | nd = '' |
|
735 | 732 | else: |
|
736 | 733 | skip = '.hg' |
|
737 | 734 | try: |
|
738 | 735 | entries = listdir(join(nd), stat=True, skip=skip) |
|
739 | 736 | except OSError, inst: |
|
740 | 737 | if inst.errno in (errno.EACCES, errno.ENOENT): |
|
741 | 738 | match.bad(self.pathto(nd), inst.strerror) |
|
742 | 739 | continue |
|
743 | 740 | raise |
|
744 | 741 | for f, kind, st in entries: |
|
745 | 742 | if normalize: |
|
746 | 743 | nf = normalize(nd and (nd + "/" + f) or f, True, True) |
|
747 | 744 | else: |
|
748 | 745 | nf = nd and (nd + "/" + f) or f |
|
749 | 746 | if nf not in results: |
|
750 | 747 | if kind == dirkind: |
|
751 | 748 | if not ignore(nf): |
|
752 | 749 | if matchtdir: |
|
753 | 750 | matchtdir(nf) |
|
754 | 751 | wadd(nf) |
|
755 | 752 | if nf in dmap and (matchalways or matchfn(nf)): |
|
756 | 753 | results[nf] = None |
|
757 | 754 | elif kind == regkind or kind == lnkkind: |
|
758 | 755 | if nf in dmap: |
|
759 | 756 | if matchalways or matchfn(nf): |
|
760 | 757 | results[nf] = st |
|
761 | 758 | elif (matchalways or matchfn(nf)) and not ignore(nf): |
|
762 | 759 | results[nf] = st |
|
763 | 760 | elif nf in dmap and (matchalways or matchfn(nf)): |
|
764 | 761 | results[nf] = None |
|
765 | 762 | |
|
766 | 763 | for s in subrepos: |
|
767 | 764 | del results[s] |
|
768 | 765 | del results['.hg'] |
|
769 | 766 | |
|
770 | 767 | # step 3: visit remaining files from dmap |
|
771 | 768 | if not skipstep3 and not exact: |
|
772 | 769 | # If a dmap file is not in results yet, it was either |
|
773 | 770 | # a) not matching matchfn b) ignored, c) missing, or d) under a |
|
774 | 771 | # symlink directory. |
|
775 | 772 | if not results and matchalways: |
|
776 | 773 | visit = dmap.keys() |
|
777 | 774 | else: |
|
778 | 775 | visit = [f for f in dmap if f not in results and matchfn(f)] |
|
779 | 776 | visit.sort() |
|
780 | 777 | |
|
781 | 778 | if unknown: |
|
782 | 779 | # unknown == True means we walked all dirs under the roots |
|
783 | 780 | # that wasn't ignored, and everything that matched was stat'ed |
|
784 | 781 | # and is already in results. |
|
785 | 782 | # The rest must thus be ignored or under a symlink. |
|
786 | 783 | audit_path = pathutil.pathauditor(self._root) |
|
787 | 784 | |
|
788 | 785 | for nf in iter(visit): |
|
789 | 786 | # Report ignored items in the dmap as long as they are not |
|
790 | 787 | # under a symlink directory. |
|
791 | 788 | if audit_path.check(nf): |
|
792 | 789 | try: |
|
793 | 790 | results[nf] = lstat(join(nf)) |
|
794 | 791 | # file was just ignored, no links, and exists |
|
795 | 792 | except OSError: |
|
796 | 793 | # file doesn't exist |
|
797 | 794 | results[nf] = None |
|
798 | 795 | else: |
|
799 | 796 | # It's either missing or under a symlink directory |
|
800 | 797 | # which we in this case report as missing |
|
801 | 798 | results[nf] = None |
|
802 | 799 | else: |
|
803 | 800 | # We may not have walked the full directory tree above, |
|
804 | 801 | # so stat and check everything we missed. |
|
805 | 802 | nf = iter(visit).next |
|
806 | 803 | for st in util.statfiles([join(i) for i in visit]): |
|
807 | 804 | results[nf()] = st |
|
808 | 805 | return results |
|
809 | 806 | |
|
810 | 807 | def status(self, match, subrepos, ignored, clean, unknown): |
|
811 | 808 | '''Determine the status of the working copy relative to the |
|
812 | 809 | dirstate and return a pair of (unsure, status), where status is of type |
|
813 | 810 | scmutil.status and: |
|
814 | 811 | |
|
815 | 812 | unsure: |
|
816 | 813 | files that might have been modified since the dirstate was |
|
817 | 814 | written, but need to be read to be sure (size is the same |
|
818 | 815 | but mtime differs) |
|
819 | 816 | status.modified: |
|
820 | 817 | files that have definitely been modified since the dirstate |
|
821 | 818 | was written (different size or mode) |
|
822 | 819 | status.clean: |
|
823 | 820 | files that have definitely not been modified since the |
|
824 | 821 | dirstate was written |
|
825 | 822 | ''' |
|
826 | 823 | listignored, listclean, listunknown = ignored, clean, unknown |
|
827 | 824 | lookup, modified, added, unknown, ignored = [], [], [], [], [] |
|
828 | 825 | removed, deleted, clean = [], [], [] |
|
829 | 826 | |
|
830 | 827 | dmap = self._map |
|
831 | 828 | ladd = lookup.append # aka "unsure" |
|
832 | 829 | madd = modified.append |
|
833 | 830 | aadd = added.append |
|
834 | 831 | uadd = unknown.append |
|
835 | 832 | iadd = ignored.append |
|
836 | 833 | radd = removed.append |
|
837 | 834 | dadd = deleted.append |
|
838 | 835 | cadd = clean.append |
|
839 | 836 | mexact = match.exact |
|
840 | 837 | dirignore = self._dirignore |
|
841 | 838 | checkexec = self._checkexec |
|
842 | 839 | copymap = self._copymap |
|
843 | 840 | lastnormaltime = self._lastnormaltime |
|
844 | 841 | |
|
845 | 842 | # We need to do full walks when either |
|
846 | 843 | # - we're listing all clean files, or |
|
847 | 844 | # - match.traversedir does something, because match.traversedir should |
|
848 | 845 | # be called for every dir in the working dir |
|
849 | 846 | full = listclean or match.traversedir is not None |
|
850 | 847 | for fn, st in self.walk(match, subrepos, listunknown, listignored, |
|
851 | 848 | full=full).iteritems(): |
|
852 | 849 | if fn not in dmap: |
|
853 | 850 | if (listignored or mexact(fn)) and dirignore(fn): |
|
854 | 851 | if listignored: |
|
855 | 852 | iadd(fn) |
|
856 | 853 | else: |
|
857 | 854 | uadd(fn) |
|
858 | 855 | continue |
|
859 | 856 | |
|
860 | 857 | # This is equivalent to 'state, mode, size, time = dmap[fn]' but not |
|
861 | 858 | # written like that for performance reasons. dmap[fn] is not a |
|
862 | 859 | # Python tuple in compiled builds. The CPython UNPACK_SEQUENCE |
|
863 | 860 | # opcode has fast paths when the value to be unpacked is a tuple or |
|
864 | 861 | # a list, but falls back to creating a full-fledged iterator in |
|
865 | 862 | # general. That is much slower than simply accessing and storing the |
|
866 | 863 | # tuple members one by one. |
|
867 | 864 | t = dmap[fn] |
|
868 | 865 | state = t[0] |
|
869 | 866 | mode = t[1] |
|
870 | 867 | size = t[2] |
|
871 | 868 | time = t[3] |
|
872 | 869 | |
|
873 | 870 | if not st and state in "nma": |
|
874 | 871 | dadd(fn) |
|
875 | 872 | elif state == 'n': |
|
876 | 873 | mtime = int(st.st_mtime) |
|
877 | 874 | if (size >= 0 and |
|
878 | 875 | ((size != st.st_size and size != st.st_size & _rangemask) |
|
879 | 876 | or ((mode ^ st.st_mode) & 0100 and checkexec)) |
|
880 | 877 | or size == -2 # other parent |
|
881 | 878 | or fn in copymap): |
|
882 | 879 | madd(fn) |
|
883 | 880 | elif time != mtime and time != mtime & _rangemask: |
|
884 | 881 | ladd(fn) |
|
885 | 882 | elif mtime == lastnormaltime: |
|
886 | 883 | # fn may have been changed in the same timeslot without |
|
887 | 884 | # changing its size. This can happen if we quickly do |
|
888 | 885 | # multiple commits in a single transaction. |
|
889 | 886 | # Force lookup, so we don't miss such a racy file change. |
|
890 | 887 | ladd(fn) |
|
891 | 888 | elif listclean: |
|
892 | 889 | cadd(fn) |
|
893 | 890 | elif state == 'm': |
|
894 | 891 | madd(fn) |
|
895 | 892 | elif state == 'a': |
|
896 | 893 | aadd(fn) |
|
897 | 894 | elif state == 'r': |
|
898 | 895 | radd(fn) |
|
899 | 896 | |
|
900 | 897 | return (lookup, scmutil.status(modified, added, removed, deleted, |
|
901 | 898 | unknown, ignored, clean)) |
|
902 | 899 | |
|
903 | 900 | def matches(self, match): |
|
904 | 901 | ''' |
|
905 | 902 | return files in the dirstate (in whatever state) filtered by match |
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906 | 903 | ''' |
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907 | 904 | dmap = self._map |
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908 | 905 | if match.always(): |
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909 | 906 | return dmap.keys() |
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910 | 907 | files = match.files() |
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911 | 908 | if match.matchfn == match.exact: |
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912 | 909 | # fast path -- filter the other way around, since typically files is |
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913 | 910 | # much smaller than dmap |
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914 | 911 | return [f for f in files if f in dmap] |
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915 | 912 | if not match.anypats() and util.all(fn in dmap for fn in files): |
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916 | 913 | # fast path -- all the values are known to be files, so just return |
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917 | 914 | # that |
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918 | 915 | return list(files) |
|
919 | 916 | return [f for f in dmap if match(f)] |
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