Mercurial > hg > mercurial-crew-with-dirclash

annotate mercurial/hg.py @ 3849:972d14a5a227

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don't use localrepo.__init__ to create the dest repo with clone+hardlinks
author Benoit Boissinot <benoit.boissinot@ens-lyon.org>
date Sun, 10 Dec 2006 00:06:43 +0100
parents 8643b9f90b51
children 8f18e31c4441
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1 # hg.py - repository classes for mercurial
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2 #
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3 # Copyright 2005, 2006 Matt Mackall <mpm@selenic.com>
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4 # Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com>
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5 #
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6 # This software may be used and distributed according to the terms
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7 # of the GNU General Public License, incorporated herein by reference.
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8
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9 from node import *
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10 from repo import *
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11 from demandload import *
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12 from i18n import gettext as _
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13 demandload(globals(), "localrepo bundlerepo httprepo sshrepo statichttprepo")
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14 demandload(globals(), "errno lock os shutil util merge@_merge verify@_verify")
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15
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16 def _local(path):
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17 return (os.path.isfile(util.drop_scheme('file', path)) and
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18 bundlerepo or localrepo)
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19
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20 schemes = {
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21 'bundle': bundlerepo,
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22 'file': _local,
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23 'hg': httprepo,
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24 'http': httprepo,
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25 'https': httprepo,
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26 'old-http': statichttprepo,
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27 'ssh': sshrepo,
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28 'static-http': statichttprepo,
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29 }
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30
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31 def _lookup(path):
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32 scheme = 'file'
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33 if path:
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34 c = path.find(':')
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35 if c > 0:
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36 scheme = path[:c]
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37 thing = schemes.get(scheme) or schemes['file']
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38 try:
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39 return thing(path)
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40 except TypeError:
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41 return thing
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42
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43 def islocal(repo):
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44 '''return true if repo or path is local'''
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45 if isinstance(repo, str):
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46 try:
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47 return _lookup(repo).islocal(repo)
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48 except AttributeError:
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49 return False
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50 return repo.local()
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51
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52 repo_setup_hooks = []
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53
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54 def repository(ui, path='', create=False):
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55 """return a repository object for the specified path"""
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56 repo = _lookup(path).instance(ui, path, create)
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57 for hook in repo_setup_hooks:
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58 hook(ui, repo)
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59 return repo
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60
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61 def defaultdest(source):
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62 '''return default destination of clone if none is given'''
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63 return os.path.basename(os.path.normpath(source))
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64
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65 def clone(ui, source, dest=None, pull=False, rev=None, update=True,
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66 stream=False):
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67 """Make a copy of an existing repository.
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68
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69 Create a copy of an existing repository in a new directory. The
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70 source and destination are URLs, as passed to the repository
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71 function. Returns a pair of repository objects, the source and
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72 newly created destination.
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73
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74 The location of the source is added to the new repository's
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75 .hg/hgrc file, as the default to be used for future pulls and
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76 pushes.
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77
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78 If an exception is raised, the partly cloned/updated destination
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79 repository will be deleted.
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80
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81 Arguments:
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82
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83 source: repository object or URL
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84
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85 dest: URL of destination repository to create (defaults to base
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86 name of source repository)
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87
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88 pull: always pull from source repository, even in local case
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89
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90 stream: stream raw data uncompressed from repository (fast over
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91 LAN, slow over WAN)
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92
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93 rev: revision to clone up to (implies pull=True)
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94
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95 update: update working directory after clone completes, if
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96 destination is local repository
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97 """
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98 if isinstance(source, str):
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99 src_repo = repository(ui, source)
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100 else:
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101 src_repo = source
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102 source = src_repo.url()
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103
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104 if dest is None:
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105 dest = defaultdest(source)
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106
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107 def localpath(path):
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108 if path.startswith('file://'):
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109 return path[7:]
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110 if path.startswith('file:'):
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111 return path[5:]
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112 return path
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113
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114 dest = localpath(dest)
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115 source = localpath(source)
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116
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117 if os.path.exists(dest):
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118 raise util.Abort(_("destination '%s' already exists") % dest)
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119
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120 class DirCleanup(object):
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121 def __init__(self, dir_):
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122 self.rmtree = shutil.rmtree
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123 self.dir_ = dir_
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124 def close(self):
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125 self.dir_ = None
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diff changeset
126 def __del__(self):
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127 if self.dir_:
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diff changeset
128 self.rmtree(self.dir_, True)
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diff changeset
129
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diff changeset
130 dir_cleanup = None
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parents: 3791
diff changeset
131 if islocal(dest):
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132 dir_cleanup = DirCleanup(dest)
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diff changeset
133
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diff changeset
134 abspath = source
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diff changeset
135 copy = False
3849
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diff changeset
136 if src_repo.local() and islocal(dest):
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diff changeset
137 abspath = os.path.abspath(source)
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diff changeset
138 copy = not pull and not rev
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diff changeset
139
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diff changeset
140 src_lock, dest_lock = None, None
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diff changeset
141 if copy:
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parents: 2595
diff changeset
142 try:
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diff changeset
143 # we use a lock here because if we race with commit, we
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144 # can end up with extra data in the cloned revlogs that's
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diff changeset
145 # not pointed to by changesets, thus causing verify to
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diff changeset
146 # fail
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147 src_lock = src_repo.lock()
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diff changeset
148 except lock.LockException:
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149 copy = False
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diff changeset
150
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151 if copy:
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152 # we lock here to avoid premature writing to the target
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153 src_store = os.path.realpath(src_repo.spath)
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154 dest_path = os.path.realpath(os.path.join(dest, ".hg"))
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diff changeset
155 dest_store = dest_path
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parents: 3791
diff changeset
156 if not os.path.exists(dest):
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diff changeset
157 os.mkdir(dest)
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diff changeset
158 os.mkdir(dest_path)
3791
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parents: 3713
diff changeset
159 dest_lock = lock.lock(os.path.join(dest_store, "lock"))
2597
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diff changeset
160
3713
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parents: 3680
diff changeset
161 files = ("data",
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parents: 3680
diff changeset
162 "00manifest.d", "00manifest.i",
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parents: 3680
diff changeset
163 "00changelog.d", "00changelog.i")
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parents: 3680
diff changeset
164 for f in files:
3791
8643b9f90b51 introduce localrepo.spath for the store path, sopener fixes
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parents: 3713
diff changeset
165 src = os.path.join(src_store, f)
8643b9f90b51 introduce localrepo.spath for the store path, sopener fixes
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parents: 3713
diff changeset
166 dst = os.path.join(dest_store, f)
2597
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diff changeset
167 try:
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diff changeset
168 util.copyfiles(src, dst)
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diff changeset
169 except OSError, inst:
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diff changeset
170 if inst.errno != errno.ENOENT:
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diff changeset
171 raise
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parents: 2595
diff changeset
172
2631
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parents: 2621
diff changeset
173 # we need to re-init the repo after manually copying the data
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parents: 2621
diff changeset
174 # into it
2597
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diff changeset
175 dest_repo = repository(ui, dest)
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diff changeset
176
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diff changeset
177 else:
3849
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parents: 3791
diff changeset
178 dest_repo = repository(ui, dest, create=True)
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diff changeset
179
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diff changeset
180 revs = None
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diff changeset
181 if rev:
3448
6ca49c5fe268 Stop erroring out pull -r and clone -r if repository isn't local.
Eric Hopper <hopper@omnifarious.org>
parents: 3441
diff changeset
182 if 'lookup' not in src_repo.capabilities:
6ca49c5fe268 Stop erroring out pull -r and clone -r if repository isn't local.
Eric Hopper <hopper@omnifarious.org>
parents: 3441
diff changeset
183 raise util.Abort(_("src repository does not support revision "
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parents: 3441
diff changeset
184 "lookup and so doesn't support clone by "
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parents: 3441
diff changeset
185 "revision"))
2597
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diff changeset
186 revs = [src_repo.lookup(r) for r in rev]
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diff changeset
187
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diff changeset
188 if dest_repo.local():
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diff changeset
189 dest_repo.clone(src_repo, heads=revs, stream=stream)
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diff changeset
190 elif src_repo.local():
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diff changeset
191 src_repo.push(dest_repo, revs=revs)
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diff changeset
192 else:
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diff changeset
193 raise util.Abort(_("clone from remote to remote not supported"))
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diff changeset
194
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diff changeset
195 if src_lock:
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diff changeset
196 src_lock.release()
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diff changeset
197
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diff changeset
198 if dest_repo.local():
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diff changeset
199 fp = dest_repo.opener("hgrc", "w", text=True)
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diff changeset
200 fp.write("[paths]\n")
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diff changeset
201 fp.write("default = %s\n" % abspath)
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diff changeset
202 fp.close()
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2595
diff changeset
203
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Vadim Gelfer <vadim.gelfer@gmail.com>
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diff changeset
204 if dest_lock:
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Vadim Gelfer <vadim.gelfer@gmail.com>
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diff changeset
205 dest_lock.release()
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2595
diff changeset
206
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diff changeset
207 if update:
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diff changeset
208 _update(dest_repo, dest_repo.changelog.tip())
2597
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diff changeset
209 if dir_cleanup:
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Vadim Gelfer <vadim.gelfer@gmail.com>
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diff changeset
210 dir_cleanup.close()
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2595
diff changeset
211
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Vadim Gelfer <vadim.gelfer@gmail.com>
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diff changeset
212 return src_repo, dest_repo
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b550cd82f92a Move merge code to its own module
Matt Mackall <mpm@selenic.com>
parents: 2798
diff changeset
213
3323
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parents: 3188
diff changeset
214 def _showstats(repo, stats):
39fd6e82ea38 merge: pull user messages out to hg.py
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parents: 3188
diff changeset
215 stats = ((stats[0], _("updated")),
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parents: 3188
diff changeset
216 (stats[1], _("merged")),
39fd6e82ea38 merge: pull user messages out to hg.py
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parents: 3188
diff changeset
217 (stats[2], _("removed")),
39fd6e82ea38 merge: pull user messages out to hg.py
Matt Mackall <mpm@selenic.com>
parents: 3188
diff changeset
218 (stats[3], _("unresolved")))
39fd6e82ea38 merge: pull user messages out to hg.py
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parents: 3188
diff changeset
219 note = ", ".join([_("%d files %s") % s for s in stats])
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parents: 3188
diff changeset
220 repo.ui.status("%s\n" % note)
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Matt Mackall <mpm@selenic.com>
parents: 3188
diff changeset
221
39fd6e82ea38 merge: pull user messages out to hg.py
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parents: 3188
diff changeset
222 def _update(repo, node): return update(repo, node)
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Matt Mackall <mpm@selenic.com>
parents: 3188
diff changeset
223
2822
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Matt Mackall <mpm@selenic.com>
parents: 2802
diff changeset
224 def update(repo, node):
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Matt Mackall <mpm@selenic.com>
parents: 2802
diff changeset
225 """update the working directory to node, merging linear changes"""
3323
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parents: 3188
diff changeset
226 stats = _merge.update(repo, node, False, False, None, None)
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Matt Mackall <mpm@selenic.com>
parents: 3188
diff changeset
227 _showstats(repo, stats)
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Matt Mackall <mpm@selenic.com>
parents: 3188
diff changeset
228 if stats[3]:
39fd6e82ea38 merge: pull user messages out to hg.py
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parents: 3188
diff changeset
229 repo.ui.status(_("There are unresolved merges with"
39fd6e82ea38 merge: pull user messages out to hg.py
Matt Mackall <mpm@selenic.com>
parents: 3188
diff changeset
230 " locally modified files.\n"))
39fd6e82ea38 merge: pull user messages out to hg.py
Matt Mackall <mpm@selenic.com>
parents: 3188
diff changeset
231 return stats[3]
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b550cd82f92a Move merge code to its own module
Matt Mackall <mpm@selenic.com>
parents: 2798
diff changeset
232
2822
30f59f4a327e Introduce update helper functions: update, merge, clean, and revert
Matt Mackall <mpm@selenic.com>
parents: 2802
diff changeset
233 def clean(repo, node, wlock=None, show_stats=True):
30f59f4a327e Introduce update helper functions: update, merge, clean, and revert
Matt Mackall <mpm@selenic.com>
parents: 2802
diff changeset
234 """forcibly switch the working directory to node, clobbering changes"""
3323
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parents: 3188
diff changeset
235 stats = _merge.update(repo, node, False, True, None, wlock)
39fd6e82ea38 merge: pull user messages out to hg.py
Matt Mackall <mpm@selenic.com>
parents: 3188
diff changeset
236 if show_stats: _showstats(repo, stats)
39fd6e82ea38 merge: pull user messages out to hg.py
Matt Mackall <mpm@selenic.com>
parents: 3188
diff changeset
237 return stats[3]
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parents: 2798
diff changeset
238
2822
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Matt Mackall <mpm@selenic.com>
parents: 2802
diff changeset
239 def merge(repo, node, force=None, remind=True, wlock=None):
30f59f4a327e Introduce update helper functions: update, merge, clean, and revert
Matt Mackall <mpm@selenic.com>
parents: 2802
diff changeset
240 """branch merge with node, resolving changes"""
3323
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parents: 3188
diff changeset
241 stats = _merge.update(repo, node, True, force, False, wlock)
39fd6e82ea38 merge: pull user messages out to hg.py
Matt Mackall <mpm@selenic.com>
parents: 3188
diff changeset
242 _showstats(repo, stats)
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Matt Mackall <mpm@selenic.com>
parents: 3188
diff changeset
243 if stats[3]:
39fd6e82ea38 merge: pull user messages out to hg.py
Matt Mackall <mpm@selenic.com>
parents: 3188
diff changeset
244 pl = repo.parents()
39fd6e82ea38 merge: pull user messages out to hg.py
Matt Mackall <mpm@selenic.com>
parents: 3188
diff changeset
245 repo.ui.status(_("There are unresolved merges,"
39fd6e82ea38 merge: pull user messages out to hg.py
Matt Mackall <mpm@selenic.com>
parents: 3188
diff changeset
246 " you can redo the full merge using:\n"
39fd6e82ea38 merge: pull user messages out to hg.py
Matt Mackall <mpm@selenic.com>
parents: 3188
diff changeset
247 " hg update -C %s\n"
3679
2956948b81f3 fix warnings generated by pygettext.py.
Marcos Chaves <marcos.nospam@gmail.com>
parents: 3448
diff changeset
248 " hg merge %s\n")
3680
69cf255a55a1 Indentation cleanups for 2956948b81f3.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3679
diff changeset
249 % (pl[0].rev(), pl[1].rev()))
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250 elif remind:
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251 repo.ui.status(_("(branch merge, don't forget to commit)\n"))
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252 return stats[3]
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253
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254 def revert(repo, node, choose, wlock):
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255 """revert changes to revision in node without updating dirstate"""
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256 return _merge.update(repo, node, False, True, choose, wlock)[3]
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257
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258 def verify(repo):
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259 """verify the consistency of a repository"""
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260 return _verify.verify(repo)