Mercurial > hg > mercurial-crew-with-dirclash

annotate mercurial/hg.py @ 2749:d13e4ffaa79d

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[darcs2hg] Windows compatibilty patct Originally submitted by Daiju Kito 1. single quote didn't work in several cases 2. os.unlink tries to delete tmpfile when it's called. It won't wait like unix.
author Sébastien Pierre <sebastien@xprima.com>
date Tue, 01 Aug 2006 09:51:36 -0400
parents 386f04d6ecb3
children b1b1aa6f275c
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1 # hg.py - repository classes for mercurial
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2 #
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3 # Copyright 2005 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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9 from repo import *
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10 from demandload import *
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11 from i18n import gettext as _
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12 demandload(globals(), "localrepo bundlerepo httprepo sshrepo statichttprepo")
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13 demandload(globals(), "errno lock os shutil util")
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14
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15 def _local(path):
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16 return os.path.isfile(util.drop_scheme('file', path)) and bundlerepo or localrepo
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17
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18 schemes = {
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19 'bundle': bundlerepo,
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20 'file': _local,
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21 'hg': httprepo,
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22 'http': httprepo,
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23 'https': httprepo,
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24 'old-http': statichttprepo,
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25 'ssh': sshrepo,
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26 'static-http': statichttprepo,
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27 }
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28
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29 def _lookup(path):
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30 scheme = 'file'
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31 if path:
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32 c = path.find(':')
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33 if c > 0:
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34 scheme = path[:c]
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35 thing = schemes.get(scheme) or schemes['file']
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36 try:
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37 return thing(path)
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38 except TypeError:
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39 return thing
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40
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41 def islocal(repo):
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42 '''return true if repo or path is local'''
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43 if isinstance(repo, str):
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44 try:
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45 return _lookup(repo).islocal(repo)
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46 except AttributeError:
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47 return False
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48 return repo.local()
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49
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50 def repository(ui, path=None, create=False):
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51 return _lookup(path).instance(ui, path, create)
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52
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53 def defaultdest(source):
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54 '''return default destination of clone if none is given'''
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55 return os.path.basename(os.path.normpath(source))
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56
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57 def clone(ui, source, dest=None, pull=False, rev=None, update=True,
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58 stream=False):
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59 """Make a copy of an existing repository.
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60
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61 Create a copy of an existing repository in a new directory. The
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62 source and destination are URLs, as passed to the repository
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63 function. Returns a pair of repository objects, the source and
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64 newly created destination.
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65
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66 The location of the source is added to the new repository's
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67 .hg/hgrc file, as the default to be used for future pulls and
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68 pushes.
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69
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70 If an exception is raised, the partly cloned/updated destination
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71 repository will be deleted.
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72
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73 Arguments:
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74
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75 source: repository object or URL
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76
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77 dest: URL of destination repository to create (defaults to base
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78 name of source repository)
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79
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80 pull: always pull from source repository, even in local case
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81
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82 stream: stream raw data uncompressed from repository (fast over
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83 LAN, slow over WAN)
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84
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85 rev: revision to clone up to (implies pull=True)
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86
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87 update: update working directory after clone completes, if
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88 destination is local repository
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89 """
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90 if isinstance(source, str):
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91 src_repo = repository(ui, source)
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92 else:
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93 src_repo = source
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94 source = src_repo.url()
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95
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96 if dest is None:
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97 dest = defaultdest(source)
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98
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99 def localpath(path):
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100 if path.startswith('file://'):
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101 return path[7:]
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102 if path.startswith('file:'):
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103 return path[5:]
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104 return path
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105
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106 dest = localpath(dest)
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107 source = localpath(source)
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108
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109 if os.path.exists(dest):
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110 raise util.Abort(_("destination '%s' already exists"), dest)
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111
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112 class DirCleanup(object):
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113 def __init__(self, dir_):
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114 self.rmtree = shutil.rmtree
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115 self.dir_ = dir_
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116 def close(self):
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117 self.dir_ = None
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118 def __del__(self):
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119 if self.dir_:
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120 self.rmtree(self.dir_, True)
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121
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122 dest_repo = None
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123 try:
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124 dest_repo = repository(ui, dest)
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125 raise util.Abort(_("destination '%s' already exists." % dest))
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126 except RepoError:
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127 dest_repo = repository(ui, dest, create=True)
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128
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129 dest_path = None
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130 dir_cleanup = None
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131 if dest_repo.local():
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132 dest_path = os.path.realpath(dest_repo.root)
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133 dir_cleanup = DirCleanup(dest_path)
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134
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135 abspath = source
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136 copy = False
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137 if src_repo.local() and dest_repo.local():
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138 abspath = os.path.abspath(source)
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139 copy = not pull and not rev
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140
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141 src_lock, dest_lock = None, None
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142 if copy:
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143 try:
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144 # we use a lock here because if we race with commit, we
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145 # can end up with extra data in the cloned revlogs that's
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146 # not pointed to by changesets, thus causing verify to
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147 # fail
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148 src_lock = src_repo.lock()
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149 except lock.LockException:
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150 copy = False
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151
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152 if copy:
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153 # we lock here to avoid premature writing to the target
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154 dest_lock = lock.lock(os.path.join(dest_path, ".hg", "lock"))
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155
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156 # we need to remove the (empty) data dir in dest so copyfiles
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157 # can do its work
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158 os.rmdir(os.path.join(dest_path, ".hg", "data"))
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159 files = "data 00manifest.d 00manifest.i 00changelog.d 00changelog.i"
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160 for f in files.split():
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161 src = os.path.join(source, ".hg", f)
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162 dst = os.path.join(dest_path, ".hg", f)
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163 try:
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diff changeset
164 util.copyfiles(src, dst)
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165 except OSError, inst:
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166 if inst.errno != errno.ENOENT:
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167 raise
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168
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169 # we need to re-init the repo after manually copying the data
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170 # into it
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171 dest_repo = repository(ui, dest)
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diff changeset
172
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173 else:
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174 revs = None
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175 if rev:
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176 if not src_repo.local():
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177 raise util.Abort(_("clone by revision not supported yet "
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178 "for remote repositories"))
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179 revs = [src_repo.lookup(r) for r in rev]
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180
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181 if dest_repo.local():
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182 dest_repo.clone(src_repo, heads=revs, stream=stream)
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183 elif src_repo.local():
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184 src_repo.push(dest_repo, revs=revs)
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185 else:
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186 raise util.Abort(_("clone from remote to remote not supported"))
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187
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188 if src_lock:
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189 src_lock.release()
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diff changeset
190
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diff changeset
191 if dest_repo.local():
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192 fp = dest_repo.opener("hgrc", "w", text=True)
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193 fp.write("[paths]\n")
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194 fp.write("default = %s\n" % abspath)
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195 fp.close()
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196
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197 if dest_lock:
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198 dest_lock.release()
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diff changeset
199
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200 if update:
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201 dest_repo.update(dest_repo.changelog.tip())
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diff changeset
202 if dir_cleanup:
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203 dir_cleanup.close()
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diff changeset
204
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diff changeset
205 return src_repo, dest_repo