Mercurial > hg
annotate mercurial/context.py @ 6858:8f256bf98219
Add support for multiple possible bisect results (issue1228, issue1182)
The real reason for both issue is that bisect can not handle cases where there
are multiple possibilities for the result.
Example (from issue1228):
rev 0 -> good
rev 1 -> skipped
rev 2 -> skipped
rev 3 -> skipped
rev 4 -> bad
Note that this patch does not only fix the reported Assertion Error but also
the problem of a non converging bisect:
hg init
for i in `seq 3`; do echo $i > $i; hg add $i; hg ci -m$i; done
hg bisect -b 2
hg bisect -g 0
hg bisect -s
From this state on, you can:
a) mark as bad forever (non converging!)
b) mark as good to get an inconsistent state
c) skip for the Assertion Error
Minor description and code edits by pmezard.
author | Bernhard Leiner <bleiner@gmail.com> |
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date | Sat, 02 Aug 2008 22:10:10 +0200 |
parents | d286ec1bdcff |
children | 76021ec849c8 |
rev | line source |
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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 nullid, nullrev, short |
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6212 | 10 import ancestor, bdiff, 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 yield 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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85 def extra(self): return self._changeset[5] |
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87 |
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88 def parents(self): |
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89 """return contexts for each parent changeset""" |
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90 p = self._repo.changelog.parents(self._node) |
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91 return [changectx(self._repo, x) for x in p] |
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92 |
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93 def children(self): |
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94 """return contexts for each child changeset""" |
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95 c = self._repo.changelog.children(self._node) |
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96 return [changectx(self._repo, x) for x in c] |
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97 |
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98 def _fileinfo(self, path): |
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99 if '_manifest' in self.__dict__: |
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100 try: |
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101 return self._manifest[path], self._manifest.flags(path) |
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102 except KeyError: |
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103 raise revlog.LookupError(self._node, path, |
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104 _('not found in manifest')) |
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105 if '_manifestdelta' in self.__dict__ or path in self.files(): |
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106 if path in self._manifestdelta: |
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107 return self._manifestdelta[path], self._manifestdelta.flags(path) |
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108 node, flag = self._repo.manifest.find(self._changeset[0], path) |
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109 if not node: |
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110 raise revlog.LookupError(self._node, path, |
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111 _('not found in manifest')) |
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112 |
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113 return node, flag |
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114 |
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115 def filenode(self, path): |
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116 return self._fileinfo(path)[0] |
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117 |
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118 def fileflags(self, path): |
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119 try: |
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120 return self._fileinfo(path)[1] |
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121 except revlog.LookupError: |
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122 return '' |
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123 |
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124 def filectx(self, path, fileid=None, filelog=None): |
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125 """get a file context from this changeset""" |
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126 if fileid is None: |
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127 fileid = self.filenode(path) |
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128 return filectx(self._repo, path, fileid=fileid, |
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129 changectx=self, filelog=filelog) |
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130 |
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131 def filectxs(self): |
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132 """generate a file context for each file in this changeset's |
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133 manifest""" |
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134 mf = self.manifest() |
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135 m = mf.keys() |
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136 m.sort() |
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137 for f in m: |
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138 yield self.filectx(f, fileid=mf[f]) |
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139 |
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140 def ancestor(self, c2): |
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141 """ |
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142 return the ancestor context of self and c2 |
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143 """ |
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144 n = self._repo.changelog.ancestor(self._node, c2._node) |
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145 return changectx(self._repo, n) |
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146 |
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147 class filectx(object): |
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148 """A filecontext object makes access to data related to a particular |
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149 filerevision convenient.""" |
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150 def __init__(self, repo, path, changeid=None, fileid=None, |
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151 filelog=None, changectx=None): |
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152 """changeid can be a changeset revision, node, or tag. |
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153 fileid can be a file revision or node.""" |
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154 self._repo = repo |
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155 self._path = path |
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156 |
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157 assert (changeid is not None |
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158 or fileid is not None |
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159 or changectx is not None) |
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160 |
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161 if filelog: |
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162 self._filelog = filelog |
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163 |
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164 if changeid is not None: |
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165 self._changeid = changeid |
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166 if changectx is not None: |
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167 self._changectx = changectx |
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168 if fileid is not None: |
3213 | 169 self._fileid = fileid |
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170 |
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171 def __getattr__(self, name): |
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172 if name == '_changectx': |
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173 self._changectx = changectx(self._repo, self._changeid) |
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174 return self._changectx |
3213 | 175 elif name == '_filelog': |
176 self._filelog = self._repo.file(self._path) | |
177 return self._filelog | |
178 elif name == '_changeid': | |
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179 if '_changectx' in self.__dict__: |
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180 self._changeid = self._changectx.rev() |
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181 else: |
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182 self._changeid = self._filelog.linkrev(self._filenode) |
3213 | 183 return self._changeid |
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184 elif name == '_filenode': |
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185 if '_fileid' in self.__dict__: |
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186 self._filenode = self._filelog.lookup(self._fileid) |
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187 else: |
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188 self._filenode = self._changectx.filenode(self._path) |
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189 return self._filenode |
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190 elif name == '_filerev': |
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191 self._filerev = self._filelog.rev(self._filenode) |
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192 return self._filerev |
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193 elif name == '_repopath': |
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194 self._repopath = self._path |
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195 return self._repopath |
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196 else: |
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197 raise AttributeError, name |
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198 |
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199 def __nonzero__(self): |
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200 try: |
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201 n = self._filenode |
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202 return True |
3930
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Add revlog.LookupError exception, and use it instead of RevlogError.
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203 except revlog.LookupError: |
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204 # file is missing |
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205 return False |
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206 |
3166
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207 def __str__(self): |
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208 return "%s@%s" % (self.path(), short(self.node())) |
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209 |
3151
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210 def __repr__(self): |
3216
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|
211 return "<filectx %s>" % str(self) |
3151
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212 |
3165
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213 def __eq__(self, other): |
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|
214 try: |
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|
215 return (self._path == other._path |
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|
216 and self._fileid == other._fileid) |
3715
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|
217 except AttributeError: |
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|
218 return False |
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|
219 |
4748
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|
220 def __ne__(self, other): |
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|
221 return not (self == other) |
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|
222 |
3207
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Add lookup method to filectx
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|
223 def filectx(self, fileid): |
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|
224 '''opens an arbitrary revision of the file without |
0790dce2f3a8
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|
225 opening a new filelog''' |
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226 return filectx(self._repo, self._path, fileid=fileid, |
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|
227 filelog=self._filelog) |
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|
228 |
2563
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|
229 def filerev(self): return self._filerev |
482c524dd9ab
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|
230 def filenode(self): return self._filenode |
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231 def fileflags(self): return self._changectx.fileflags(self._path) |
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232 def isexec(self): return 'x' in self.fileflags() |
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|
233 def islink(self): return 'l' in self.fileflags() |
2563
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|
234 def filelog(self): return self._filelog |
482c524dd9ab
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diff
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|
235 |
3150
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3149
diff
changeset
|
236 def rev(self): |
3336
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context: check self.__dict__ instead of using hasattr
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3313
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|
237 if '_changectx' in self.__dict__: |
3150
a5e4c8172ace
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|
238 return self._changectx.rev() |
5810
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context: preserve changeset in filectx if we have one
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|
239 if '_changeid' in self.__dict__: |
6210
942287cb1f57
Removed trailing spaces from everything except test output
Thomas Arendsen Hein <thomas@intevation.de>
parents:
5813
diff
changeset
|
240 return self._changectx.rev() |
3403
372999405787
Back out d8eba1c3ce9b and a004164dbeef
Brendan Cully <brendan@kublai.com>
parents:
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241 return self._filelog.linkrev(self._filenode) |
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242 |
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243 def linkrev(self): return self._filelog.linkrev(self._filenode) |
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244 def node(self): return self._changectx.node() |
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245 def user(self): return self._changectx.user() |
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246 def date(self): return self._changectx.date() |
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247 def files(self): return self._changectx.files() |
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248 def description(self): return self._changectx.description() |
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249 def branch(self): return self._changectx.branch() |
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250 def manifest(self): return self._changectx.manifest() |
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251 def changectx(self): return self._changectx |
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252 |
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253 def data(self): return self._filelog.read(self._filenode) |
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254 def path(self): return self._path |
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256 |
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257 def cmp(self, text): return self._filelog.cmp(self._filenode, text) |
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258 |
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259 def renamed(self): |
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260 """check if file was actually renamed in this changeset revision |
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261 |
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262 If rename logged in file revision, we report copy for changeset only |
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263 if file revisions linkrev points back to the changeset in question |
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264 or both changeset parents contain different file revisions. |
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265 """ |
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266 |
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267 renamed = self._filelog.renamed(self._filenode) |
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268 if not renamed: |
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269 return renamed |
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270 |
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271 if self.rev() == self.linkrev(): |
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272 return renamed |
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273 |
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274 name = self.path() |
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275 fnode = self._filenode |
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276 for p in self._changectx.parents(): |
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277 try: |
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278 if fnode == p.filenode(name): |
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279 return None |
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280 except revlog.LookupError: |
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281 pass |
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282 return renamed |
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283 |
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284 def parents(self): |
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285 p = self._path |
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286 fl = self._filelog |
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287 pl = [(p, n, fl) for n in self._filelog.parents(self._filenode)] |
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288 |
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289 r = self._filelog.renamed(self._filenode) |
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290 if r: |
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291 pl[0] = (r[0], r[1], None) |
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292 |
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293 return [filectx(self._repo, p, fileid=n, filelog=l) |
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294 for p,n,l in pl if n != nullid] |
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295 |
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296 def children(self): |
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297 # hard for renames |
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298 c = self._filelog.children(self._filenode) |
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299 return [filectx(self._repo, self._path, fileid=x, |
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300 filelog=self._filelog) for x in c] |
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301 |
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302 def annotate(self, follow=False, linenumber=None): |
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303 '''returns a list of tuples of (ctx, line) for each line |
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304 in the file, where ctx is the filectx of the node where |
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305 that line was last changed. |
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306 This returns tuples of ((ctx, linenumber), line) for each line, |
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307 if "linenumber" parameter is NOT "None". |
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308 In such tuples, linenumber means one at the first appearance |
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309 in the managed file. |
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310 To reduce annotation cost, |
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311 this returns fixed value(False is used) as linenumber, |
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312 if "linenumber" parameter is "False".''' |
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313 |
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314 def decorate_compat(text, rev): |
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315 return ([rev] * len(text.splitlines()), text) |
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316 |
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317 def without_linenumber(text, rev): |
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318 return ([(rev, False)] * len(text.splitlines()), text) |
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319 |
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320 def with_linenumber(text, rev): |
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321 size = len(text.splitlines()) |
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322 return ([(rev, i) for i in xrange(1, size + 1)], text) |
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323 |
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324 decorate = (((linenumber is None) and decorate_compat) or |
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325 (linenumber and with_linenumber) or |
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326 without_linenumber) |
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327 |
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328 def pair(parent, child): |
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329 for a1, a2, b1, b2 in bdiff.blocks(parent[1], child[1]): |
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330 child[0][b1:b2] = parent[0][a1:a2] |
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331 return child |
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332 |
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333 getlog = util.cachefunc(lambda x: self._repo.file(x)) |
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334 def getctx(path, fileid): |
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335 log = path == self._path and self._filelog or getlog(path) |
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336 return filectx(self._repo, path, fileid=fileid, filelog=log) |
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337 getctx = util.cachefunc(getctx) |
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338 |
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339 def parents(f): |
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340 # we want to reuse filectx objects as much as possible |
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341 p = f._path |
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342 if f._filerev is None: # working dir |
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343 pl = [(n.path(), n.filerev()) for n in f.parents()] |
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344 else: |
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345 pl = [(p, n) for n in f._filelog.parentrevs(f._filerev)] |
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346 |
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347 if follow: |
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348 r = f.renamed() |
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349 if r: |
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350 pl[0] = (r[0], getlog(r[0]).rev(r[1])) |
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351 |
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352 return [getctx(p, n) for p, n in pl if n != nullrev] |
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353 |
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354 # use linkrev to find the first changeset where self appeared |
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355 if self.rev() != self.linkrev(): |
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356 base = self.filectx(self.filerev()) |
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357 else: |
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358 base = self |
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359 |
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360 # find all ancestors |
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361 needed = {base: 1} |
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362 visit = [base] |
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363 files = [base._path] |
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364 while visit: |
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365 f = visit.pop(0) |
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366 for p in parents(f): |
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367 if p not in needed: |
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368 needed[p] = 1 |
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369 visit.append(p) |
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370 if p._path not in files: |
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371 files.append(p._path) |
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372 else: |
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373 # count how many times we'll use this |
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374 needed[p] += 1 |
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375 |
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376 # sort by revision (per file) which is a topological order |
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377 visit = [] |
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378 for f in files: |
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379 fn = [(n.rev(), n) for n in needed.keys() if n._path == f] |
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380 visit.extend(fn) |
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381 visit.sort() |
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382 hist = {} |
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383 |
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384 for r, f in visit: |
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385 curr = decorate(f.data(), f) |
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386 for p in parents(f): |
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387 if p != nullid: |
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388 curr = pair(hist[p], curr) |
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389 # trim the history of unneeded revs |
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390 needed[p] -= 1 |
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391 if not needed[p]: |
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392 del hist[p] |
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393 hist[f] = curr |
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394 |
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395 return zip(hist[f][0], hist[f][1].splitlines(1)) |
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396 |
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397 def ancestor(self, fc2): |
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398 """ |
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399 find the common ancestor file context, if any, of self, and fc2 |
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400 """ |
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401 |
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402 acache = {} |
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403 |
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404 # prime the ancestor cache for the working directory |
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405 for c in (self, fc2): |
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406 if c._filerev == None: |
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407 pl = [(n.path(), n.filenode()) for n in c.parents()] |
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408 acache[(c._path, None)] = pl |
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409 |
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filectx.ancestor: use fctx._repopath to cache filelogs (issue1035)
Alexis S. L. Carvalho <alexis@cecm.usp.br>
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410 flcache = {self._repopath:self._filelog, fc2._repopath:fc2._filelog} |
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411 def parents(vertex): |
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412 if vertex in acache: |
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413 return acache[vertex] |
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414 f, n = vertex |
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415 if f not in flcache: |
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416 flcache[f] = self._repo.file(f) |
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417 fl = flcache[f] |
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418 pl = [(f, p) for p in fl.parents(n) if p != nullid] |
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419 re = fl.renamed(n) |
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420 if re: |
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421 pl.append(re) |
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422 acache[vertex] = pl |
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423 return pl |
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424 |
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425 a, b = (self._path, self._filenode), (fc2._path, fc2._filenode) |
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426 v = ancestor.ancestor(a, b, parents) |
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427 if v: |
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428 f, n = v |
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429 return filectx(self._repo, f, fileid=n, filelog=flcache[f]) |
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430 |
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431 return None |
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432 |
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433 class workingctx(changectx): |
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434 """A workingctx object makes access to data related to |
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435 the current working directory convenient.""" |
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436 def __init__(self, repo): |
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437 self._repo = repo |
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438 self._rev = None |
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439 self._node = None |
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440 |
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441 def __str__(self): |
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442 return str(self._parents[0]) + "+" |
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443 |
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444 def __nonzero__(self): |
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|
445 return True |
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446 |
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447 def __getattr__(self, name): |
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448 if name == '_parents': |
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|
449 self._parents = self._repo.parents() |
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450 return self._parents |
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451 if name == '_status': |
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452 self._status = self._repo.status() |
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|
453 return self._status |
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|
454 if name == '_manifest': |
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|
455 self._buildmanifest() |
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|
456 return self._manifest |
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457 else: |
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|
458 raise AttributeError, name |
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|
459 |
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|
460 def _buildmanifest(self): |
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461 """generate a manifest corresponding to the working directory""" |
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|
462 |
3218
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|
463 man = self._parents[0].manifest().copy() |
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464 copied = self._repo.dirstate.copies() |
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|
465 is_exec = util.execfunc(self._repo.root, |
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|
466 lambda p: man.execf(copied.get(p,p))) |
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467 is_link = util.linkfunc(self._repo.root, |
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|
468 lambda p: man.linkf(copied.get(p,p))) |
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469 modified, added, removed, deleted, unknown = self._status[:5] |
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|
470 for i, l in (("a", added), ("m", modified), ("u", unknown)): |
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471 for f in l: |
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472 man[f] = man.get(copied.get(f, f), nullid) + i |
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473 try: |
4002
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474 man.set(f, is_exec(f), is_link(f)) |
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475 except OSError: |
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|
476 pass |
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|
477 |
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|
478 for f in deleted + removed: |
3325
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Revert changeset c67920d78248.
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|
479 if f in man: |
50a18815e3f0
Revert changeset c67920d78248.
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480 del man[f] |
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481 |
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482 self._manifest = man |
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483 |
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484 def manifest(self): return self._manifest |
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485 |
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486 def user(self): return self._repo.ui.username() |
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487 def date(self): return util.makedate() |
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488 def description(self): return "" |
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489 def files(self): |
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490 f = self.modified() + self.added() + self.removed() |
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491 f.sort() |
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492 return f |
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493 |
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494 def modified(self): return self._status[0] |
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495 def added(self): return self._status[1] |
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496 def removed(self): return self._status[2] |
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497 def deleted(self): return self._status[3] |
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498 def unknown(self): return self._status[4] |
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499 def clean(self): return self._status[5] |
4179
7e1c8a565a4f
Move branch read/write to dirstate where it belongs
Matt Mackall <mpm@selenic.com>
parents:
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diff
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500 def branch(self): return self._repo.dirstate.branch() |
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501 |
4663 | 502 def tags(self): |
503 t = [] | |
504 [t.extend(p.tags()) for p in self.parents()] | |
505 return t | |
506 | |
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507 def parents(self): |
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508 """return contexts for each parent changeset""" |
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509 return self._parents |
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510 |
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511 def children(self): |
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512 return [] |
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513 |
5389
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514 def fileflags(self, path): |
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515 if '_manifest' in self.__dict__: |
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516 try: |
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517 return self._manifest.flags(path) |
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518 except KeyError: |
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519 return '' |
5760
0145f9afb0e7
Removed tabs and trailing whitespace in python files
Thomas Arendsen Hein <thomas@intevation.de>
parents:
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diff
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520 |
5389
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521 pnode = self._parents[0].changeset()[0] |
5407
d7e7902bb190
Fix workingctx exec/link bit of copies on non-supporting systems
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522 orig = self._repo.dirstate.copies().get(path, path) |
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523 node, flag = self._repo.manifest.find(pnode, orig) |
6519
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524 is_link = util.linkfunc(self._repo.root, |
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525 lambda p: flag and 'l' in flag) |
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526 is_exec = util.execfunc(self._repo.root, |
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527 lambda p: flag and 'x' in flag) |
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528 try: |
6679
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529 return (is_link(path) and 'l' or '') + (is_exec(path) and 'x' or '') |
5389
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530 except OSError: |
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531 pass |
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532 |
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533 if not node or path in self.deleted() or path in self.removed(): |
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534 return '' |
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535 return flag |
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|
536 |
3966
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537 def filectx(self, path, filelog=None): |
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538 """get a file context from the working directory""" |
3966
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539 return workingfilectx(self._repo, path, workingctx=self, |
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540 filelog=filelog) |
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541 |
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542 def ancestor(self, c2): |
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543 """return the ancestor context of self and c2""" |
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544 return self._parents[0].ancestor(c2) # punt on two parents for now |
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545 |
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546 class workingfilectx(filectx): |
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547 """A workingfilectx object makes access to data related to a particular |
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548 file in the working directory convenient.""" |
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549 def __init__(self, repo, path, filelog=None, workingctx=None): |
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550 """changeid can be a changeset revision, node, or tag. |
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551 fileid can be a file revision or node.""" |
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552 self._repo = repo |
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553 self._path = path |
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554 self._changeid = None |
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555 self._filerev = self._filenode = None |
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556 |
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557 if filelog: |
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558 self._filelog = filelog |
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559 if workingctx: |
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560 self._changectx = workingctx |
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561 |
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562 def __getattr__(self, name): |
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563 if name == '_changectx': |
4414
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564 self._changectx = workingctx(self._repo) |
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565 return self._changectx |
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566 elif name == '_repopath': |
3298
45f0c49f0449
fix workingfilectx parents and ancestor functions
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567 self._repopath = (self._repo.dirstate.copied(self._path) |
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fix workingfilectx parents and ancestor functions
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|
568 or self._path) |
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fix workingfilectx parents and ancestor functions
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diff
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|
569 return self._repopath |
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570 elif name == '_filelog': |
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571 self._filelog = self._repo.file(self._repopath) |
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572 return self._filelog |
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573 else: |
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574 raise AttributeError, name |
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575 |
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576 def __nonzero__(self): |
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577 return True |
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578 |
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579 def __str__(self): |
3313
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|
580 return "%s@%s" % (self.path(), self._changectx) |
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581 |
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582 def filectx(self, fileid): |
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583 '''opens an arbitrary revision of the file without |
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584 opening a new filelog''' |
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585 return filectx(self._repo, self._repopath, fileid=fileid, |
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586 filelog=self._filelog) |
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587 |
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|
588 def rev(self): |
3336
e44eadc92ec4
context: check self.__dict__ instead of using hasattr
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parents:
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diff
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|
589 if '_changectx' in self.__dict__: |
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590 return self._changectx.rev() |
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591 return self._filelog.linkrev(self._filenode) |
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592 |
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593 def data(self): return self._repo.wread(self._path) |
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594 def renamed(self): |
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595 rp = self._repopath |
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|
596 if rp == self._path: |
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|
597 return None |
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parents:
3964
diff
changeset
|
598 return rp, self._changectx._parents[0]._manifest.get(rp, nullid) |
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599 |
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600 def parents(self): |
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601 '''return parent filectxs, following copies if necessary''' |
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|
602 p = self._path |
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|
603 rp = self._repopath |
3298
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|
604 pcl = self._changectx._parents |
3217
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|
605 fl = self._filelog |
3673
eb0b4a2d70a9
white space and line break cleanups
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606 pl = [(rp, pcl[0]._manifest.get(rp, nullid), fl)] |
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607 if len(pcl) > 1: |
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608 if rp != p: |
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609 fl = None |
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610 pl.append((p, pcl[1]._manifest.get(p, nullid), fl)) |
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611 |
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612 return [filectx(self._repo, p, fileid=n, filelog=l) |
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613 for p,n,l in pl if n != nullid] |
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614 |
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615 def children(self): |
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616 return [] |
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617 |
3302 | 618 def size(self): return os.stat(self._repo.wjoin(self._path)).st_size |
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619 def date(self): |
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620 t, tz = self._changectx.date() |
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621 try: |
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622 return (int(os.lstat(self._repo.wjoin(self._path)).st_mtime), tz) |
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623 except OSError, err: |
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624 if err.errno != errno.ENOENT: raise |
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625 return (t, tz) |
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626 |
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627 def cmp(self, text): return self._repo.wread(self._path) == text |