Mercurial > hg > mercurial-crew-with-dirclash

annotate mercurial/hg.py @ 5483:0c43f87baba3 default tip

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Fix file-changed-to-dir and dir-to-file commits (issue660). Allow adding to dirstate files that clash with previously existing but marked for removal. Protect from reintroducing clashes by revert. This change doesn't address related issues with update. Current workaround is to do "clean" update by manually removing conflicting files/dirs from working directory.
author Maxim Dounin <mdounin@mdounin.ru>
date Sat, 27 Oct 2007 16:27:55 +0400
parents a32a8e50d233
children
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1 # hg.py - repository classes for mercurial
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2 #
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3 # Copyright 2005-2007 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 i18n import _
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12 import localrepo, bundlerepo, httprepo, sshrepo, statichttprepo
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13 import errno, lock, os, shutil, util, extensions
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14 import merge as _merge
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15 import verify as _verify
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16
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17 def _local(path):
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18 return (os.path.isfile(util.drop_scheme('file', path)) and
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19 bundlerepo or localrepo)
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20
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21 def parseurl(url, revs):
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22 '''parse url#branch, returning url, branch + revs'''
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23
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24 if '#' not in url:
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25 return url, (revs or None), None
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26
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27 url, rev = url.split('#', 1)
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28 return url, revs + [rev], rev
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29
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30 schemes = {
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31 'bundle': bundlerepo,
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32 'file': _local,
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33 'http': httprepo,
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34 'https': httprepo,
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35 'ssh': sshrepo,
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36 'static-http': statichttprepo,
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37 }
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38
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39 def _lookup(path):
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40 scheme = 'file'
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41 if path:
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42 c = path.find(':')
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43 if c > 0:
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44 scheme = path[:c]
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45 thing = schemes.get(scheme) or schemes['file']
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46 try:
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47 return thing(path)
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48 except TypeError:
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49 return thing
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50
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51 def islocal(repo):
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52 '''return true if repo or path is local'''
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53 if isinstance(repo, str):
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54 try:
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55 return _lookup(repo).islocal(repo)
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56 except AttributeError:
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57 return False
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58 return repo.local()
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59
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60 def repository(ui, path='', create=False):
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61 """return a repository object for the specified path"""
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62 repo = _lookup(path).instance(ui, path, create)
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63 ui = getattr(repo, "ui", ui)
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64 for name, module in extensions.extensions():
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65 hook = getattr(module, 'reposetup', None)
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66 if hook:
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67 hook(ui, repo)
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68 return repo
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69
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70 def defaultdest(source):
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71 '''return default destination of clone if none is given'''
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72 return os.path.basename(os.path.normpath(source))
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73
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74 def clone(ui, source, dest=None, pull=False, rev=None, update=True,
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75 stream=False):
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76 """Make a copy of an existing repository.
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77
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78 Create a copy of an existing repository in a new directory. The
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79 source and destination are URLs, as passed to the repository
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80 function. Returns a pair of repository objects, the source and
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81 newly created destination.
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82
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83 The location of the source is added to the new repository's
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84 .hg/hgrc file, as the default to be used for future pulls and
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85 pushes.
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86
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87 If an exception is raised, the partly cloned/updated destination
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88 repository will be deleted.
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89
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90 Arguments:
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91
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92 source: repository object or URL
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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 stream: stream raw data uncompressed from repository (fast over
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100 LAN, slow over WAN)
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101
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102 rev: revision to clone up to (implies pull=True)
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103
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104 update: update working directory after clone completes, if
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105 destination is local repository
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106 """
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107
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108 origsource = source
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109 source, rev, checkout = parseurl(ui.expandpath(source), rev)
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110
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111 if isinstance(source, str):
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112 src_repo = repository(ui, source)
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113 else:
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114 src_repo = source
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115 source = src_repo.url()
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116
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117 if dest is None:
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118 dest = defaultdest(source)
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119 ui.status(_("destination directory: %s\n") % dest)
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120
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121 def localpath(path):
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122 if path.startswith('file://'):
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123 return path[7:]
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124 if path.startswith('file:'):
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125 return path[5:]
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126 return path
532809ba1db5 hg.py: add islocal() and defaultdest() functions, refactor
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parents: 2631
diff changeset
127
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diff changeset
128 dest = localpath(dest)
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129 source = localpath(source)
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130
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diff changeset
131 if os.path.exists(dest):
3069
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parents: 3034
diff changeset
132 raise util.Abort(_("destination '%s' already exists") % dest)
2597
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133
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diff changeset
134 class DirCleanup(object):
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135 def __init__(self, dir_):
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136 self.rmtree = shutil.rmtree
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diff changeset
137 self.dir_ = dir_
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138 def close(self):
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diff changeset
139 self.dir_ = None
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diff changeset
140 def __del__(self):
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Vadim Gelfer <vadim.gelfer@gmail.com>
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diff changeset
141 if self.dir_:
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diff changeset
142 self.rmtree(self.dir_, True)
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diff changeset
143
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144 src_lock = dest_lock = dir_cleanup = None
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parents: 4840
diff changeset
145 try:
97b734fb9c6f Use try/finally pattern to cleanup locks and transactions
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diff changeset
146 if islocal(dest):
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diff changeset
147 dir_cleanup = DirCleanup(dest)
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diff changeset
148
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diff changeset
149 abspath = origsource
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150 copy = False
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parents: 4840
diff changeset
151 if src_repo.local() and islocal(dest):
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5517aa5aafb0 Merge with crew-stable
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parents: 5189 5239
diff changeset
152 abspath = os.path.abspath(util.drop_scheme('file', origsource))
4959
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parents: 4840
diff changeset
153 copy = not pull and not rev
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diff changeset
154
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diff changeset
155 if copy:
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parents: 4840
diff changeset
156 try:
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diff changeset
157 # we use a lock here because if we race with commit, we
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parents: 4840
diff changeset
158 # can end up with extra data in the cloned revlogs that's
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parents: 4840
diff changeset
159 # not pointed to by changesets, thus causing verify to
97b734fb9c6f Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents: 4840
diff changeset
160 # fail
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parents: 4840
diff changeset
161 src_lock = src_repo.lock()
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Matt Mackall <mpm@selenic.com>
parents: 4840
diff changeset
162 except lock.LockException:
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parents: 4840
diff changeset
163 copy = False
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diff changeset
164
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diff changeset
165 if copy:
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parents: 4840
diff changeset
166 def force_copy(src, dst):
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parents: 4840
diff changeset
167 try:
97b734fb9c6f Use try/finally pattern to cleanup locks and transactions
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parents: 4840
diff changeset
168 util.copyfiles(src, dst)
97b734fb9c6f Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents: 4840
diff changeset
169 except OSError, inst:
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parents: 4840
diff changeset
170 if inst.errno != errno.ENOENT:
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parents: 4840
diff changeset
171 raise
3851
8f18e31c4441 add "requires" file to the repo, specifying the requirements
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parents: 3849
diff changeset
172
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diff changeset
173 src_store = os.path.realpath(src_repo.spath)
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parents: 4840
diff changeset
174 if not os.path.exists(dest):
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parents: 4840
diff changeset
175 os.mkdir(dest)
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parents: 4840
diff changeset
176 dest_path = os.path.realpath(os.path.join(dest, ".hg"))
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parents: 4840
diff changeset
177 os.mkdir(dest_path)
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parents: 4840
diff changeset
178 if src_repo.spath != src_repo.path:
5277
a32a8e50d233 merge with crew
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 5241 5276
diff changeset
179 # XXX racy
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parents: 5241 5276
diff changeset
180 dummy_changelog = os.path.join(dest_path, "00changelog.i")
a32a8e50d233 merge with crew
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parents: 5241 5276
diff changeset
181 # copy the dummy changelog
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parents: 5241 5276
diff changeset
182 force_copy(src_repo.join("00changelog.i"), dummy_changelog)
4959
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parents: 4840
diff changeset
183 dest_store = os.path.join(dest_path, "store")
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diff changeset
184 os.mkdir(dest_store)
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parents: 4840
diff changeset
185 else:
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Matt Mackall <mpm@selenic.com>
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diff changeset
186 dest_store = dest_path
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parents: 4840
diff changeset
187 # copy the requires file
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parents: 4840
diff changeset
188 force_copy(src_repo.join("requires"),
97b734fb9c6f Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents: 4840
diff changeset
189 os.path.join(dest_path, "requires"))
97b734fb9c6f Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents: 4840
diff changeset
190 # we lock here to avoid premature writing to the target
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parents: 4840
diff changeset
191 dest_lock = lock.lock(os.path.join(dest_store, "lock"))
2597
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diff changeset
192
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diff changeset
193 files = ("data",
97b734fb9c6f Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents: 4840
diff changeset
194 "00manifest.d", "00manifest.i",
97b734fb9c6f Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents: 4840
diff changeset
195 "00changelog.d", "00changelog.i")
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parents: 4840
diff changeset
196 for f in files:
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diff changeset
197 src = os.path.join(src_store, f)
97b734fb9c6f Use try/finally pattern to cleanup locks and transactions
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diff changeset
198 dst = os.path.join(dest_store, f)
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diff changeset
199 force_copy(src, dst)
2597
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diff changeset
200
4959
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diff changeset
201 # we need to re-init the repo after manually copying the data
97b734fb9c6f Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
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diff changeset
202 # into it
97b734fb9c6f Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
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diff changeset
203 dest_repo = repository(ui, dest)
97b734fb9c6f Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents: 4840
diff changeset
204
97b734fb9c6f Use try/finally pattern to cleanup locks and transactions
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parents: 4840
diff changeset
205 else:
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parents: 4840
diff changeset
206 dest_repo = repository(ui, dest, create=True)
2597
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Vadim Gelfer <vadim.gelfer@gmail.com>
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diff changeset
207
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diff changeset
208 revs = None
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Matt Mackall <mpm@selenic.com>
parents: 4840
diff changeset
209 if rev:
97b734fb9c6f Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents: 4840
diff changeset
210 if 'lookup' not in src_repo.capabilities:
97b734fb9c6f Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents: 4840
diff changeset
211 raise util.Abort(_("src repository does not support revision "
97b734fb9c6f Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents: 4840
diff changeset
212 "lookup and so doesn't support clone by "
97b734fb9c6f Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents: 4840
diff changeset
213 "revision"))
97b734fb9c6f Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents: 4840
diff changeset
214 revs = [src_repo.lookup(r) for r in rev]
3849
972d14a5a227 don't use localrepo.__init__ to create the dest repo with clone+hardlinks
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3791
diff changeset
215
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diff changeset
216 if dest_repo.local():
97b734fb9c6f Use try/finally pattern to cleanup locks and transactions
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parents: 4840
diff changeset
217 dest_repo.clone(src_repo, heads=revs, stream=stream)
97b734fb9c6f Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents: 4840
diff changeset
218 elif src_repo.local():
97b734fb9c6f Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents: 4840
diff changeset
219 src_repo.push(dest_repo, revs=revs)
97b734fb9c6f Use try/finally pattern to cleanup locks and transactions
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parents: 4840
diff changeset
220 else:
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parents: 4840
diff changeset
221 raise util.Abort(_("clone from remote to remote not supported"))
2597
5ba8be56fa8f clone: move code into hg module. make doc better.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2595
diff changeset
222
5180
0d5d03844927 merge with -stable
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 4961 5179
diff changeset
223 if dir_cleanup:
0d5d03844927 merge with -stable
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parents: 4961 5179
diff changeset
224 dir_cleanup.close()
2597
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2595
diff changeset
225
5ba8be56fa8f clone: move code into hg module. make doc better.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2595
diff changeset
226 if dest_repo.local():
4959
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parents: 4840
diff changeset
227 fp = dest_repo.opener("hgrc", "w", text=True)
97b734fb9c6f Use try/finally pattern to cleanup locks and transactions
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parents: 4840
diff changeset
228 fp.write("[paths]\n")
97b734fb9c6f Use try/finally pattern to cleanup locks and transactions
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parents: 4840
diff changeset
229 fp.write("default = %s\n" % abspath)
97b734fb9c6f Use try/finally pattern to cleanup locks and transactions
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parents: 4840
diff changeset
230 fp.close()
5179
156f4c8a12aa clone: do not delete the target if only the update fails
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 4635
diff changeset
231
4959
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parents: 4840
diff changeset
232 if update:
5241
5517aa5aafb0 Merge with crew-stable
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5189 5239
diff changeset
233 if not checkout:
5517aa5aafb0 Merge with crew-stable
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5189 5239
diff changeset
234 try:
5517aa5aafb0 Merge with crew-stable
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5189 5239
diff changeset
235 checkout = dest_repo.lookup("default")
5517aa5aafb0 Merge with crew-stable
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5189 5239
diff changeset
236 except:
5517aa5aafb0 Merge with crew-stable
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5189 5239
diff changeset
237 checkout = dest_repo.changelog.tip()
4959
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parents: 4840
diff changeset
238 _update(dest_repo, checkout)
2597
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parents: 2595
diff changeset
239
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diff changeset
240 return src_repo, dest_repo
97b734fb9c6f Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents: 4840
diff changeset
241 finally:
97b734fb9c6f Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents: 4840
diff changeset
242 del src_lock, dest_lock, dir_cleanup
2799
b550cd82f92a Move merge code to its own module
Matt Mackall <mpm@selenic.com>
parents: 2798
diff changeset
243
3323
39fd6e82ea38 merge: pull user messages out to hg.py
Matt Mackall <mpm@selenic.com>
parents: 3188
diff changeset
244 def _showstats(repo, stats):
39fd6e82ea38 merge: pull user messages out to hg.py
Matt Mackall <mpm@selenic.com>
parents: 3188
diff changeset
245 stats = ((stats[0], _("updated")),
39fd6e82ea38 merge: pull user messages out to hg.py
Matt Mackall <mpm@selenic.com>
parents: 3188
diff changeset
246 (stats[1], _("merged")),
39fd6e82ea38 merge: pull user messages out to hg.py
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parents: 3188
diff changeset
247 (stats[2], _("removed")),
39fd6e82ea38 merge: pull user messages out to hg.py
Matt Mackall <mpm@selenic.com>
parents: 3188
diff changeset
248 (stats[3], _("unresolved")))
39fd6e82ea38 merge: pull user messages out to hg.py
Matt Mackall <mpm@selenic.com>
parents: 3188
diff changeset
249 note = ", ".join([_("%d files %s") % s for s in stats])
39fd6e82ea38 merge: pull user messages out to hg.py
Matt Mackall <mpm@selenic.com>
parents: 3188
diff changeset
250 repo.ui.status("%s\n" % note)
39fd6e82ea38 merge: pull user messages out to hg.py
Matt Mackall <mpm@selenic.com>
parents: 3188
diff changeset
251
39fd6e82ea38 merge: pull user messages out to hg.py
Matt Mackall <mpm@selenic.com>
parents: 3188
diff changeset
252 def _update(repo, node): return update(repo, node)
39fd6e82ea38 merge: pull user messages out to hg.py
Matt Mackall <mpm@selenic.com>
parents: 3188
diff changeset
253
2822
30f59f4a327e Introduce update helper functions: update, merge, clean, and revert
Matt Mackall <mpm@selenic.com>
parents: 2802
diff changeset
254 def update(repo, node):
30f59f4a327e Introduce update helper functions: update, merge, clean, and revert
Matt Mackall <mpm@selenic.com>
parents: 2802
diff changeset
255 """update the working directory to node, merging linear changes"""
3869
ad6f34c83c3d Add instructions how to redo/finish failed merge with local working directory.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3854
diff changeset
256 pl = repo.parents()
4961
126f527b3ba3 Make repo locks recursive, eliminate all passing of lock/wlock
Matt Mackall <mpm@selenic.com>
parents: 4959
diff changeset
257 stats = _merge.update(repo, node, False, False, None)
3323
39fd6e82ea38 merge: pull user messages out to hg.py
Matt Mackall <mpm@selenic.com>
parents: 3188
diff changeset
258 _showstats(repo, stats)
39fd6e82ea38 merge: pull user messages out to hg.py
Matt Mackall <mpm@selenic.com>
parents: 3188
diff changeset
259 if stats[3]:
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260 repo.ui.status(_("There are unresolved merges with"
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261 " locally modified files.\n"))
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262 if stats[1]:
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263 repo.ui.status(_("You can finish the partial merge using:\n"))
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264 else:
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265 repo.ui.status(_("You can redo the full merge using:\n"))
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266 # len(pl)==1, otherwise _merge.update() would have raised util.Abort:
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267 repo.ui.status(_(" hg update %s\n hg update %s\n")
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268 % (pl[0].rev(), repo.changectx(node).rev()))
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269 return stats[3]
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270
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271 def clean(repo, node, show_stats=True):
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272 """forcibly switch the working directory to node, clobbering changes"""
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273 stats = _merge.update(repo, node, False, True, None)
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274 if show_stats: _showstats(repo, stats)
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275 return stats[3]
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276
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277 def merge(repo, node, force=None, remind=True):
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278 """branch merge with node, resolving changes"""
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279 stats = _merge.update(repo, node, True, force, False)
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280 _showstats(repo, stats)
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281 if stats[3]:
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282 pl = repo.parents()
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283 repo.ui.status(_("There are unresolved merges,"
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284 " you can redo the full merge using:\n"
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285 " hg update -C %s\n"
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286 " hg merge %s\n")
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287 % (pl[0].rev(), pl[1].rev()))
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288 elif remind:
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289 repo.ui.status(_("(branch merge, don't forget to commit)\n"))
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290 return stats[3]
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291
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292 def revert(repo, node, choose):
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293 """revert changes to revision in node without updating dirstate"""
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294 return _merge.update(repo, node, False, True, choose)[3]
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295
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296 def verify(repo):
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297 """verify the consistency of a repository"""
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298 return _verify.verify(repo)