Mercurial > hgsubversion

annotate hgsubversion/util.py @ 555:cbd7065e6ab4

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util: add parseurl method to abstract away differences between 1.4 and 1.5
author Augie Fackler <durin42@gmail.com>
date Sun, 07 Feb 2010 08:43:32 -0600
parents ac9c9e1a8022
children 35529f736fa2
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1 import re
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2 import os
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3 import urllib
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4
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5 from mercurial import hg
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6 from mercurial import node
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7 from mercurial import util as hgutil
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8
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9
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10 b_re = re.compile(r'^\+\+\+ b\/([^\n]*)', re.MULTILINE)
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11 a_re = re.compile(r'^--- a\/([^\n]*)', re.MULTILINE)
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12 devnull_re = re.compile(r'^([-+]{3}) /dev/null', re.MULTILINE)
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13 header_re = re.compile(r'^diff --git .* b\/(.*)', re.MULTILINE)
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14 newfile_devnull_re = re.compile(r'^--- /dev/null\n\+\+\+ b/([^\n]*)',
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15 re.MULTILINE)
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16
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17
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18 def formatrev(rev):
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19 if rev == -1:
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20 return '\t(working copy)'
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21 return '\t(revision %d)' % rev
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22
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23
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24 def filterdiff(diff, oldrev, newrev):
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25 diff = newfile_devnull_re.sub(r'--- \1\t(revision 0)' '\n'
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26 r'+++ \1\t(working copy)',
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27 diff)
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28 oldrev = formatrev(oldrev)
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29 newrev = formatrev(newrev)
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30 diff = a_re.sub(r'--- \1'+ oldrev, diff)
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31 diff = b_re.sub(r'+++ \1' + newrev, diff)
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32 diff = devnull_re.sub(r'\1 /dev/null\t(working copy)', diff)
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33 diff = header_re.sub(r'Index: \1' + '\n' + ('=' * 67), diff)
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34 return diff
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35
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36
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37 def parentrev(ui, repo, meta, hashes):
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38 """Find the svn parent revision of the repo's dirstate.
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39 """
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40 workingctx = repo.parents()[0]
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41 outrev = outgoing_revisions(repo, hashes, workingctx.node())
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42 if outrev:
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43 workingctx = repo[outrev[-1]].parents()[0]
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44 return workingctx
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45
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46
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47 def islocalrepo(url):
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48 if not url.startswith('file:///'):
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49 return False
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50 if '#' in url.split('/')[-1]: # strip off #anchor
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51 url = url[:url.rfind('#')]
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52 path = url[len('file://'):]
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53 path = urllib.url2pathname(path).replace(os.sep, '/')
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54 while '/' in path:
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55 if reduce(lambda x,y: x and y,
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56 map(lambda p: os.path.exists(os.path.join(path, p)),
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57 ('hooks', 'format', 'db', ))):
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58 return True
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59 path = path.rsplit('/', 1)[0]
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60 return False
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61
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62
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63 def version(ui):
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64 """Return version information if available."""
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65 try:
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66 import __version__
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67 return __version__.version
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68 except ImportError:
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69 try:
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70 dn = os.path.dirname
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71 repo = hg.repository(ui, dn(dn(__file__)))
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72 ver = repo.dirstate.parents()[0]
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73 return node.hex(ver)[:12]
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74 except:
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75 return 'unknown'
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77
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78 def normalize_url(url):
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79 if url.startswith('svn+http://') or url.startswith('svn+https://'):
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80 url = url[4:]
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81 url, revs, checkout = parseurl(url)
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82 url = url.rstrip('/')
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83 if checkout:
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84 url = '%s#%s' % (url, checkout)
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85 return url
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87
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88 def parseurl(url, heads=[]):
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89 parsed = hg.parseurl(url, heads)
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90 if len(parsed) == 3:
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91 # old hg, remove when we can be 1.5-only
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92 svn_url, heads, checkout = parsed
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93 else:
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94 svn_url, heads = parsed
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95 if heads:
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96 checkout = heads[0]
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97 else:
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98 checkout = None
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99 return svn_url, heads, checkout
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100
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101
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102 class PrefixMatch(object):
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103 def __init__(self, prefix):
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104 self.p = prefix
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105
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106 def files(self):
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107 return []
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108
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109 def __call__(self, fn):
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110 return fn.startswith(self.p)
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111
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112 def outgoing_revisions(repo, reverse_map, sourcerev):
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113 """Given a repo and an hg_editor, determines outgoing revisions for the
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114 current working copy state.
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115 """
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116 outgoing_rev_hashes = []
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117 if sourcerev in reverse_map:
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118 return
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119 sourcerev = repo[sourcerev]
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120 while (not sourcerev.node() in reverse_map
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121 and sourcerev.node() != node.nullid):
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122 outgoing_rev_hashes.append(sourcerev.node())
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123 sourcerev = sourcerev.parents()
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124 if len(sourcerev) != 1:
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125 raise hgutil.Abort("Sorry, can't find svn parent of a merge revision.")
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126 sourcerev = sourcerev[0]
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127 if sourcerev.node() != node.nullid:
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128 return outgoing_rev_hashes
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129
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130 default_commit_msg = '*** empty log message ***'
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Dan Villiom Podlaski Christiansen <danchr@cs.au.dk>
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131
198
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132 def describe_commit(ui, h, b):
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133 ui.note(' committed to "%s" as %s\n' % ((b or 'default'), node.short(h)))
223
330f0b15d417 issue67: mercurial 1.3 util incompatibility with encoding swap
Luke Opperman <luke@loppear.com>
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134
330f0b15d417 issue67: mercurial 1.3 util incompatibility with encoding swap
Luke Opperman <luke@loppear.com>
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135
330f0b15d417 issue67: mercurial 1.3 util incompatibility with encoding swap
Luke Opperman <luke@loppear.com>
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136 def swap_out_encoding(new_encoding="UTF-8"):
281
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Augie Fackler <durin42@gmail.com>
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137 from mercurial import encoding
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Augie Fackler <durin42@gmail.com>
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138 old = encoding.encoding
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Augie Fackler <durin42@gmail.com>
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139 encoding.encoding = new_encoding
223
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Luke Opperman <luke@loppear.com>
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140 return old
410
eb524b957345 move aresamefiles() from HgChangeReceiver to util
Dirkjan Ochtman <dirkjan@ochtman.nl>
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141
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Dirkjan Ochtman <dirkjan@ochtman.nl>
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142
497
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Augie Fackler <durin42@gmail.com>
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143 def issamefile(parentctx, childctx, f):
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Augie Fackler <durin42@gmail.com>
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144 """Assuming f exists and is the same in childctx and parentctx, return True."""
410
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Dirkjan Ochtman <dirkjan@ochtman.nl>
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145 if parentctx == childctx:
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Dirkjan Ochtman <dirkjan@ochtman.nl>
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146 return True
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Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 408
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147 if parentctx.rev() > childctx.rev():
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Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 408
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148 parentctx, childctx = childctx, parentctx
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Dirkjan Ochtman <dirkjan@ochtman.nl>
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149
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Dirkjan Ochtman <dirkjan@ochtman.nl>
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150 def selfandancestors(selfctx):
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Dirkjan Ochtman <dirkjan@ochtman.nl>
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151 yield selfctx
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152 for ctx in selfctx.ancestors():
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153 yield ctx
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154
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Dirkjan Ochtman <dirkjan@ochtman.nl>
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155 for pctx in selfandancestors(childctx):
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Dirkjan Ochtman <dirkjan@ochtman.nl>
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156 if pctx.rev() <= parentctx.rev():
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Dirkjan Ochtman <dirkjan@ochtman.nl>
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157 return True
497
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Augie Fackler <durin42@gmail.com>
parents: 475
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158 if f in pctx.files():
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Augie Fackler <durin42@gmail.com>
parents: 475
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159 return False
410
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Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 408
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160 # parentctx is not an ancestor of childctx, files are unrelated
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Dirkjan Ochtman <dirkjan@ochtman.nl>
parents: 408
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161 return False