Mercurial > hg > mercurial-crew-with-dirclash
annotate mercurial/context.py @ 5119:0751c25ea0c0
raise util.Abort again if specified revision is not an integer.
This was changed to NoRepo in 462cc56d898f, because specifying non-integer
revisions for e.g. the Mercurial backend caused Abort to be raised in the
subversion importer.
Now util.Abort is raised again, but the check is done after verifying if it
really is a subversion repository.
author | Thomas Arendsen Hein <thomas@intevation.de> |
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date | Tue, 07 Aug 2007 12:24:25 +0200 |
parents | 1fd7a99d98f6 |
children | 26c060922085 |
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1 # context.py - changeset and file context objects for mercurial |
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2 # |
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3 # Copyright 2006, 2007 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 |
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6 # of the GNU General Public License, incorporated herein by reference. |
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7 |
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8 from node import * |
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10 import ancestor, bdiff, repo, revlog, util, os, errno |
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11 |
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12 class changectx(object): |
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13 """A changecontext object makes access to data related to a particular |
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14 changeset convenient.""" |
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15 def __init__(self, repo, changeid=None): |
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16 """changeid is a revision number, node, or tag""" |
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17 self._repo = repo |
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18 |
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19 if not changeid and changeid != 0: |
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20 p1, p2 = self._repo.dirstate.parents() |
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21 self._rev = self._repo.changelog.rev(p1) |
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22 if self._rev == -1: |
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23 changeid = 'tip' |
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24 else: |
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25 self._node = p1 |
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26 return |
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27 |
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28 self._node = self._repo.lookup(changeid) |
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29 self._rev = self._repo.changelog.rev(self._node) |
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30 |
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31 def __str__(self): |
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32 return short(self.node()) |
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33 |
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34 def __repr__(self): |
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35 return "<changectx %s>" % str(self) |
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36 |
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37 def __eq__(self, other): |
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38 try: |
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39 return self._rev == other._rev |
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40 except AttributeError: |
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41 return False |
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42 |
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43 def __ne__(self, other): |
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44 return not (self == other) |
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45 |
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46 def __nonzero__(self): |
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47 return self._rev != nullrev |
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48 |
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49 def __getattr__(self, name): |
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50 if name == '_changeset': |
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51 self._changeset = self._repo.changelog.read(self.node()) |
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52 return self._changeset |
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53 elif name == '_manifest': |
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54 self._manifest = self._repo.manifest.read(self._changeset[0]) |
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55 return self._manifest |
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56 elif name == '_manifestdelta': |
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57 md = self._repo.manifest.readdelta(self._changeset[0]) |
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58 self._manifestdelta = md |
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59 return self._manifestdelta |
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60 else: |
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61 raise AttributeError, name |
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62 |
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63 def __contains__(self, key): |
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64 return key in self._manifest |
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65 |
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66 def __getitem__(self, key): |
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67 return self.filectx(key) |
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68 |
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69 def __iter__(self): |
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70 a = self._manifest.keys() |
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71 a.sort() |
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72 for f in a: |
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73 return f |
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74 |
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75 def changeset(self): return self._changeset |
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76 def manifest(self): return self._manifest |
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77 |
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78 def rev(self): return self._rev |
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79 def node(self): return self._node |
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80 def user(self): return self._changeset[1] |
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81 def date(self): return self._changeset[2] |
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82 def files(self): return self._changeset[3] |
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83 def description(self): return self._changeset[4] |
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84 def branch(self): return self._changeset[5].get("branch") |
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86 |
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87 def parents(self): |
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88 """return contexts for each parent changeset""" |
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89 p = self._repo.changelog.parents(self._node) |
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90 return [changectx(self._repo, x) for x in p] |
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91 |
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92 def children(self): |
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93 """return contexts for each child changeset""" |
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94 c = self._repo.changelog.children(self._node) |
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95 return [changectx(self._repo, x) for x in c] |
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96 |
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97 def filenode(self, path): |
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98 if '_manifest' in self.__dict__: |
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99 try: |
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100 return self._manifest[path] |
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101 except KeyError: |
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102 raise revlog.LookupError(_("'%s' not found in manifest") % path) |
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103 if '_manifestdelta' in self.__dict__ or path in self.files(): |
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104 if path in self._manifestdelta: |
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105 return self._manifestdelta[path] |
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106 node, flag = self._repo.manifest.find(self._changeset[0], path) |
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107 if not node: |
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108 raise revlog.LookupError(_("'%s' not found in manifest") % path) |
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109 |
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110 return node |
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111 |
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112 def filectx(self, path, fileid=None, filelog=None): |
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113 """get a file context from this changeset""" |
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114 if fileid is None: |
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115 fileid = self.filenode(path) |
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116 return filectx(self._repo, path, fileid=fileid, |
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117 changectx=self, filelog=filelog) |
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118 |
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119 def filectxs(self): |
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120 """generate a file context for each file in this changeset's |
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121 manifest""" |
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122 mf = self.manifest() |
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123 m = mf.keys() |
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124 m.sort() |
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125 for f in m: |
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126 yield self.filectx(f, fileid=mf[f]) |
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127 |
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128 def ancestor(self, c2): |
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129 """ |
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130 return the ancestor context of self and c2 |
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131 """ |
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132 n = self._repo.changelog.ancestor(self._node, c2._node) |
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133 return changectx(self._repo, n) |
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134 |
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135 class filectx(object): |
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136 """A filecontext object makes access to data related to a particular |
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137 filerevision convenient.""" |
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138 def __init__(self, repo, path, changeid=None, fileid=None, |
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139 filelog=None, changectx=None): |
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140 """changeid can be a changeset revision, node, or tag. |
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141 fileid can be a file revision or node.""" |
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142 self._repo = repo |
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143 self._path = path |
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144 |
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145 assert (changeid is not None |
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146 or fileid is not None |
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147 or changectx is not None) |
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148 |
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149 if filelog: |
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150 self._filelog = filelog |
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151 |
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152 if fileid is None: |
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153 if changectx is None: |
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154 self._changeid = changeid |
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155 else: |
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156 self._changectx = changectx |
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157 else: |
3235 | 158 self._fileid = fileid |
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159 |
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160 def __getattr__(self, name): |
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161 if name == '_changectx': |
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162 self._changectx = changectx(self._repo, self._changeid) |
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163 return self._changectx |
3235 | 164 elif name == '_filelog': |
165 self._filelog = self._repo.file(self._path) | |
166 return self._filelog | |
167 elif name == '_changeid': | |
168 self._changeid = self._filelog.linkrev(self._filenode) | |
169 return self._changeid | |
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170 elif name == '_filenode': |
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171 if '_fileid' in self.__dict__: |
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172 self._filenode = self._filelog.lookup(self._fileid) |
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173 else: |
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174 self._filenode = self._changectx.filenode(self._path) |
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175 return self._filenode |
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176 elif name == '_filerev': |
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177 self._filerev = self._filelog.rev(self._filenode) |
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178 return self._filerev |
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179 else: |
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180 raise AttributeError, name |
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181 |
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182 def __nonzero__(self): |
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183 try: |
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184 n = self._filenode |
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185 return True |
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186 except revlog.LookupError: |
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187 # file is missing |
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188 return False |
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189 |
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190 def __str__(self): |
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191 return "%s@%s" % (self.path(), short(self.node())) |
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192 |
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193 def __repr__(self): |
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194 return "<filectx %s>" % str(self) |
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195 |
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196 def __eq__(self, other): |
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197 try: |
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198 return (self._path == other._path |
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199 and self._fileid == other._fileid) |
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200 except AttributeError: |
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201 return False |
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202 |
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203 def __ne__(self, other): |
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204 return not (self == other) |
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205 |
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206 def filectx(self, fileid): |
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207 '''opens an arbitrary revision of the file without |
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208 opening a new filelog''' |
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209 return filectx(self._repo, self._path, fileid=fileid, |
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210 filelog=self._filelog) |
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211 |
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212 def filerev(self): return self._filerev |
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213 def filenode(self): return self._filenode |
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214 def filelog(self): return self._filelog |
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215 |
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216 def rev(self): |
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217 if '_changectx' in self.__dict__: |
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218 return self._changectx.rev() |
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219 return self._filelog.linkrev(self._filenode) |
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220 |
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221 def node(self): return self._changectx.node() |
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222 def user(self): return self._changectx.user() |
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223 def date(self): return self._changectx.date() |
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224 def files(self): return self._changectx.files() |
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225 def description(self): return self._changectx.description() |
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226 def branch(self): return self._changectx.branch() |
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227 def manifest(self): return self._changectx.manifest() |
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228 def changectx(self): return self._changectx |
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229 |
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230 def data(self): return self._filelog.read(self._filenode) |
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231 def renamed(self): return self._filelog.renamed(self._filenode) |
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232 def path(self): return self._path |
3308 | 233 def size(self): return self._filelog.size(self._filerev) |
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234 |
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235 def cmp(self, text): return self._filelog.cmp(self._filenode, text) |
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236 |
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237 def parents(self): |
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238 p = self._path |
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239 fl = self._filelog |
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240 pl = [(p, n, fl) for n in self._filelog.parents(self._filenode)] |
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241 |
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242 r = self.renamed() |
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243 if r: |
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244 pl[0] = (r[0], r[1], None) |
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245 |
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246 return [filectx(self._repo, p, fileid=n, filelog=l) |
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247 for p,n,l in pl if n != nullid] |
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248 |
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249 def children(self): |
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250 # hard for renames |
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251 c = self._filelog.children(self._filenode) |
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252 return [filectx(self._repo, self._path, fileid=x, |
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253 filelog=self._filelog) for x in c] |
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254 |
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255 def annotate(self, follow=False, linenumber=None): |
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256 '''returns a list of tuples of (ctx, line) for each line |
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257 in the file, where ctx is the filectx of the node where |
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258 that line was last changed. |
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259 This returns tuples of ((ctx, linenumber), line) for each line, |
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260 if "linenumber" parameter is NOT "None". |
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261 In such tuples, linenumber means one at the first appearance |
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262 in the managed file. |
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263 To reduce annotation cost, |
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264 this returns fixed value(False is used) as linenumber, |
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265 if "linenumber" parameter is "False".''' |
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266 |
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267 def decorate_compat(text, rev): |
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268 return ([rev] * len(text.splitlines()), text) |
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269 |
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270 def without_linenumber(text, rev): |
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271 return ([(rev, False)] * len(text.splitlines()), text) |
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272 |
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273 def with_linenumber(text, rev): |
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274 size = len(text.splitlines()) |
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275 return ([(rev, i) for i in xrange(1, size + 1)], text) |
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276 |
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277 decorate = (((linenumber is None) and decorate_compat) or |
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278 (linenumber and with_linenumber) or |
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279 without_linenumber) |
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280 |
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281 def pair(parent, child): |
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282 for a1, a2, b1, b2 in bdiff.blocks(parent[1], child[1]): |
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283 child[0][b1:b2] = parent[0][a1:a2] |
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284 return child |
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285 |
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286 getlog = util.cachefunc(lambda x: self._repo.file(x)) |
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287 def getctx(path, fileid): |
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288 log = path == self._path and self._filelog or getlog(path) |
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289 return filectx(self._repo, path, fileid=fileid, filelog=log) |
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290 getctx = util.cachefunc(getctx) |
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291 |
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292 def parents(f): |
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293 # we want to reuse filectx objects as much as possible |
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294 p = f._path |
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295 if f._filerev is None: # working dir |
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296 pl = [(n.path(), n.filerev()) for n in f.parents()] |
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297 else: |
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298 pl = [(p, n) for n in f._filelog.parentrevs(f._filerev)] |
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299 |
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300 if follow: |
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301 r = f.renamed() |
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302 if r: |
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303 pl[0] = (r[0], getlog(r[0]).rev(r[1])) |
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304 |
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305 return [getctx(p, n) for p, n in pl if n != nullrev] |
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306 |
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307 # use linkrev to find the first changeset where self appeared |
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308 if self.rev() != self._filelog.linkrev(self._filenode): |
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309 base = self.filectx(self.filerev()) |
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310 else: |
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311 base = self |
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312 |
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313 # find all ancestors |
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314 needed = {base: 1} |
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315 visit = [base] |
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316 files = [base._path] |
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317 while visit: |
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318 f = visit.pop(0) |
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319 for p in parents(f): |
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320 if p not in needed: |
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321 needed[p] = 1 |
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322 visit.append(p) |
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323 if p._path not in files: |
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324 files.append(p._path) |
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325 else: |
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326 # count how many times we'll use this |
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327 needed[p] += 1 |
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328 |
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329 # sort by revision (per file) which is a topological order |
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330 visit = [] |
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331 for f in files: |
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332 fn = [(n.rev(), n) for n in needed.keys() if n._path == f] |
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333 visit.extend(fn) |
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334 visit.sort() |
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335 hist = {} |
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336 |
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337 for r, f in visit: |
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338 curr = decorate(f.data(), f) |
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339 for p in parents(f): |
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340 if p != nullid: |
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341 curr = pair(hist[p], curr) |
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342 # trim the history of unneeded revs |
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343 needed[p] -= 1 |
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344 if not needed[p]: |
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345 del hist[p] |
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346 hist[f] = curr |
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347 |
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348 return zip(hist[f][0], hist[f][1].splitlines(1)) |
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349 |
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350 def ancestor(self, fc2): |
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351 """ |
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352 find the common ancestor file context, if any, of self, and fc2 |
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353 """ |
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354 |
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355 acache = {} |
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356 |
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357 # prime the ancestor cache for the working directory |
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358 for c in (self, fc2): |
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359 if c._filerev == None: |
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360 pl = [(n.path(), n.filenode()) for n in c.parents()] |
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361 acache[(c._path, None)] = pl |
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362 |
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363 flcache = {self._path:self._filelog, fc2._path:fc2._filelog} |
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364 def parents(vertex): |
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365 if vertex in acache: |
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366 return acache[vertex] |
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367 f, n = vertex |
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368 if f not in flcache: |
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369 flcache[f] = self._repo.file(f) |
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370 fl = flcache[f] |
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371 pl = [(f, p) for p in fl.parents(n) if p != nullid] |
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372 re = fl.renamed(n) |
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373 if re: |
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374 pl.append(re) |
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375 acache[vertex] = pl |
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376 return pl |
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377 |
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378 a, b = (self._path, self._filenode), (fc2._path, fc2._filenode) |
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379 v = ancestor.ancestor(a, b, parents) |
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380 if v: |
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381 f, n = v |
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382 return filectx(self._repo, f, fileid=n, filelog=flcache[f]) |
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383 |
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384 return None |
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385 |
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386 class workingctx(changectx): |
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387 """A workingctx object makes access to data related to |
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388 the current working directory convenient.""" |
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389 def __init__(self, repo): |
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390 self._repo = repo |
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391 self._rev = None |
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392 self._node = None |
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393 |
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394 def __str__(self): |
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395 return str(self._parents[0]) + "+" |
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396 |
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397 def __nonzero__(self): |
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398 return True |
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399 |
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400 def __getattr__(self, name): |
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401 if name == '_parents': |
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402 self._parents = self._repo.parents() |
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403 return self._parents |
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404 if name == '_status': |
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405 self._status = self._repo.status() |
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406 return self._status |
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407 if name == '_manifest': |
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408 self._buildmanifest() |
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409 return self._manifest |
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410 else: |
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411 raise AttributeError, name |
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412 |
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413 def _buildmanifest(self): |
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414 """generate a manifest corresponding to the working directory""" |
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415 |
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416 man = self._parents[0].manifest().copy() |
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417 is_exec = util.execfunc(self._repo.root, man.execf) |
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418 is_link = util.linkfunc(self._repo.root, man.linkf) |
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419 copied = self._repo.dirstate.copies() |
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420 modified, added, removed, deleted, unknown = self._status[:5] |
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421 for i, l in (("a", added), ("m", modified), ("u", unknown)): |
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422 for f in l: |
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423 man[f] = man.get(copied.get(f, f), nullid) + i |
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424 try: |
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425 man.set(f, is_exec(f), is_link(f)) |
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426 except OSError: |
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427 pass |
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428 |
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429 for f in deleted + removed: |
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430 if f in man: |
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431 del man[f] |
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432 |
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433 self._manifest = man |
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434 |
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435 def manifest(self): return self._manifest |
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436 |
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437 def user(self): return self._repo.ui.username() |
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438 def date(self): return util.makedate() |
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439 def description(self): return "" |
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440 def files(self): |
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441 f = self.modified() + self.added() + self.removed() |
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442 f.sort() |
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443 return f |
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444 |
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445 def modified(self): return self._status[0] |
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446 def added(self): return self._status[1] |
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447 def removed(self): return self._status[2] |
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448 def deleted(self): return self._status[3] |
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449 def unknown(self): return self._status[4] |
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450 def clean(self): return self._status[5] |
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451 def branch(self): return self._repo.dirstate.branch() |
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452 |
4663 | 453 def tags(self): |
454 t = [] | |
455 [t.extend(p.tags()) for p in self.parents()] | |
456 return t | |
457 | |
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458 def parents(self): |
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459 """return contexts for each parent changeset""" |
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460 return self._parents |
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461 |
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462 def children(self): |
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463 return [] |
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464 |
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465 def filectx(self, path, filelog=None): |
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466 """get a file context from the working directory""" |
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467 return workingfilectx(self._repo, path, workingctx=self, |
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468 filelog=filelog) |
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469 |
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470 def ancestor(self, c2): |
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471 """return the ancestor context of self and c2""" |
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472 return self._parents[0].ancestor(c2) # punt on two parents for now |
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473 |
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474 class workingfilectx(filectx): |
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475 """A workingfilectx object makes access to data related to a particular |
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476 file in the working directory convenient.""" |
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477 def __init__(self, repo, path, filelog=None, workingctx=None): |
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478 """changeid can be a changeset revision, node, or tag. |
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479 fileid can be a file revision or node.""" |
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480 self._repo = repo |
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481 self._path = path |
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482 self._changeid = None |
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483 self._filerev = self._filenode = None |
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484 |
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485 if filelog: |
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486 self._filelog = filelog |
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487 if workingctx: |
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488 self._changectx = workingctx |
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489 |
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490 def __getattr__(self, name): |
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491 if name == '_changectx': |
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492 self._changectx = workingctx(self._repo) |
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493 return self._changectx |
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494 elif name == '_repopath': |
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495 self._repopath = (self._repo.dirstate.copied(self._path) |
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496 or self._path) |
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497 return self._repopath |
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498 elif name == '_filelog': |
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499 self._filelog = self._repo.file(self._repopath) |
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500 return self._filelog |
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501 else: |
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502 raise AttributeError, name |
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503 |
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504 def __nonzero__(self): |
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505 return True |
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506 |
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507 def __str__(self): |
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508 return "%s@%s" % (self.path(), self._changectx) |
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509 |
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510 def filectx(self, fileid): |
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511 '''opens an arbitrary revision of the file without |
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512 opening a new filelog''' |
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513 return filectx(self._repo, self._repopath, fileid=fileid, |
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514 filelog=self._filelog) |
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515 |
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516 def rev(self): |
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517 if '_changectx' in self.__dict__: |
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518 return self._changectx.rev() |
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519 return self._filelog.linkrev(self._filenode) |
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520 |
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521 def data(self): return self._repo.wread(self._path) |
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522 def renamed(self): |
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523 rp = self._repopath |
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524 if rp == self._path: |
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525 return None |
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526 return rp, self._changectx._parents[0]._manifest.get(rp, nullid) |
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527 |
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528 def parents(self): |
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529 '''return parent filectxs, following copies if necessary''' |
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530 p = self._path |
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531 rp = self._repopath |
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532 pcl = self._changectx._parents |
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533 fl = self._filelog |
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534 pl = [(rp, pcl[0]._manifest.get(rp, nullid), fl)] |
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535 if len(pcl) > 1: |
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536 if rp != p: |
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537 fl = None |
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538 pl.append((p, pcl[1]._manifest.get(p, nullid), fl)) |
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539 |
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540 return [filectx(self._repo, p, fileid=n, filelog=l) |
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541 for p,n,l in pl if n != nullid] |
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542 |
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543 def children(self): |
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544 return [] |
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545 |
3308 | 546 def size(self): return os.stat(self._repo.wjoin(self._path)).st_size |
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547 def date(self): |
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548 t, tz = self._changectx.date() |
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549 try: |
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550 return (int(os.lstat(self._repo.wjoin(self._path)).st_mtime), tz) |
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551 except OSError, err: |
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552 if err.errno != errno.ENOENT: raise |
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553 return (t, tz) |
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554 |
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555 def cmp(self, text): return self._repo.wread(self._path) == text |