Mercurial > public > mercurial-scm > hg

annotate mercurial/hg.py @ 2600:c4325f0a9b91

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clean up trailing white space.
author Vadim Gelfer <vadim.gelfer@gmail.com>
date Wed, 12 Jul 2006 08:28:00 -0700
parents 5ba8be56fa8f
children ffb895f16925
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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 bundle(ui, path):
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16 if path.startswith('bundle://'):
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17 path = path[9:]
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18 else:
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19 path = path[7:]
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20 s = path.split("+", 1)
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21 if len(s) == 1:
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22 repopath, bundlename = "", s[0]
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23 else:
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24 repopath, bundlename = s
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25 return bundlerepo.bundlerepository(ui, repopath, bundlename)
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26
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27 def hg(ui, path):
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28 ui.warn(_("hg:// syntax is deprecated, please use http:// instead\n"))
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29 return httprepo.httprepository(ui, path.replace("hg://", "http://"))
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30
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31 def local_(ui, path, create=0):
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32 if path.startswith('file:'):
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33 path = path[5:]
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34 return localrepo.localrepository(ui, path, create)
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35
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36 def ssh_(ui, path, create=0):
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37 return sshrepo.sshrepository(ui, path, create)
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38
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39 def old_http(ui, path):
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40 ui.warn(_("old-http:// syntax is deprecated, "
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41 "please use static-http:// instead\n"))
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42 return statichttprepo.statichttprepository(
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43 ui, path.replace("old-http://", "http://"))
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44
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45 def static_http(ui, path):
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46 return statichttprepo.statichttprepository(
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47 ui, path.replace("static-http://", "http://"))
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48
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49 schemes = {
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50 'bundle': bundle,
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51 'file': local_,
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52 'hg': hg,
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53 'http': lambda ui, path: httprepo.httprepository(ui, path),
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54 'https': lambda ui, path: httprepo.httpsrepository(ui, path),
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55 'old-http': old_http,
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56 'ssh': ssh_,
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57 'static-http': static_http,
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58 }
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59
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60 def repository(ui, path=None, create=0):
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61 scheme = None
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62 if path:
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63 c = path.find(':')
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64 if c > 0:
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65 scheme = schemes.get(path[:c])
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66 else:
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67 path = ''
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68 ctor = scheme or schemes['file']
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69 if create:
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70 try:
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71 return ctor(ui, path, create)
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72 except TypeError:
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73 raise util.Abort(_('cannot create new repository over "%s" protocol') %
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74 scheme)
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75 return ctor(ui, path)
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76
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77 def clone(ui, source, dest=None, pull=False, rev=None, update=True):
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78 """Make a copy of an existing repository.
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79
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80 Create a copy of an existing repository in a new directory. The
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81 source and destination are URLs, as passed to the repository
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82 function. Returns a pair of repository objects, the source and
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83 newly created destination.
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84
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85 The location of the source is added to the new repository's
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86 .hg/hgrc file, as the default to be used for future pulls and
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87 pushes.
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88
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89 If an exception is raised, the partly cloned/updated destination
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90 repository will be deleted.
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91
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92 Keyword arguments:
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93
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94 dest: URL of destination repository to create (defaults to base
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95 name of source repository)
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96
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97 pull: always pull from source repository, even in local case
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98
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99 rev: revision to clone up to (implies pull=True)
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100
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101 update: update working directory after clone completes, if
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102 destination is local repository
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103 """
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104 if dest is None:
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105 dest = os.path.basename(os.path.normpath(source))
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106
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107 if os.path.exists(dest):
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108 raise util.Abort(_("destination '%s' already exists"), dest)
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109
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110 class DirCleanup(object):
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111 def __init__(self, dir_):
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112 self.rmtree = shutil.rmtree
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113 self.dir_ = dir_
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114 def close(self):
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115 self.dir_ = None
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116 def __del__(self):
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117 if self.dir_:
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118 self.rmtree(self.dir_, True)
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119
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120 src_repo = repository(ui, source)
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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)
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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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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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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.pull(src_repo, heads=revs)
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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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190
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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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199
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200 if update:
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201 dest_repo.update(dest_repo.changelog.tip())
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202 if dir_cleanup:
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203 dir_cleanup.close()
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204
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205 return src_repo, dest_repo