Mercurial > hg > mercurial-crew-with-dirclash

annotate mercurial/hg.py @ 5432:0d154bce2341

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osutil: Solaris build fix
author Bryan O'Sullivan <bos@serpentine.com>
date Tue, 09 Oct 2007 08:39:37 -0700
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
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127
532809ba1db5 hg.py: add islocal() and defaultdest() functions, refactor
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2631
diff changeset
128 dest = localpath(dest)
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diff changeset
129 source = localpath(source)
2597
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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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parents: 2595
diff changeset
135 def __init__(self, dir_):
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parents: 2595
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136 self.rmtree = shutil.rmtree
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diff changeset
137 self.dir_ = dir_
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parents: 2595
diff changeset
138 def close(self):
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Vadim Gelfer <vadim.gelfer@gmail.com>
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diff changeset
139 self.dir_ = None
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Vadim Gelfer <vadim.gelfer@gmail.com>
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diff changeset
140 def __del__(self):
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2595
diff changeset
141 if self.dir_:
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Vadim Gelfer <vadim.gelfer@gmail.com>
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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
Matt Mackall <mpm@selenic.com>
parents: 4840
diff changeset
146 if islocal(dest):
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parents: 4840
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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diff changeset
150 copy = False
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Matt Mackall <mpm@selenic.com>
parents: 4840
diff changeset
151 if src_repo.local() and islocal(dest):
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5517aa5aafb0 Merge with crew-stable
Alexis S. L. Carvalho <alexis@cecm.usp.br>
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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Matt Mackall <mpm@selenic.com>
parents: 4840
diff changeset
156 try:
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parents: 4840
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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Matt Mackall <mpm@selenic.com>
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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Matt Mackall <mpm@selenic.com>
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
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
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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Matt Mackall <mpm@selenic.com>
parents: 4840
diff changeset
175 os.mkdir(dest)
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Matt Mackall <mpm@selenic.com>
parents: 4840
diff changeset
176 dest_path = os.path.realpath(os.path.join(dest, ".hg"))
97b734fb9c6f Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents: 4840
diff changeset
177 os.mkdir(dest_path)
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Matt Mackall <mpm@selenic.com>
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
a32a8e50d233 merge with crew
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 5241 5276
diff changeset
180 dummy_changelog = os.path.join(dest_path, "00changelog.i")
a32a8e50d233 merge with crew
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 5241 5276
diff changeset
181 # copy the dummy changelog
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Benoit Boissinot <benoit.boissinot@ens-lyon.org>
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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Matt Mackall <mpm@selenic.com>
parents: 4840
diff changeset
185 else:
97b734fb9c6f Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
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diff changeset
186 dest_store = dest_path
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Matt Mackall <mpm@selenic.com>
parents: 4840
diff changeset
187 # copy the requires file
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Matt Mackall <mpm@selenic.com>
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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Matt Mackall <mpm@selenic.com>
parents: 4840
diff changeset
191 dest_lock = lock.lock(os.path.join(dest_store, "lock"))
2597
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Vadim Gelfer <vadim.gelfer@gmail.com>
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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")
97b734fb9c6f Use try/finally pattern to cleanup locks and transactions
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parents: 4840
diff changeset
196 for f in files:
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parents: 4840
diff changeset
197 src = os.path.join(src_store, f)
97b734fb9c6f Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
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diff changeset
198 dst = os.path.join(dest_store, f)
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parents: 4840
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>
parents: 4840
diff changeset
202 # into it
97b734fb9c6f Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
parents: 4840
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
Matt Mackall <mpm@selenic.com>
parents: 4840
diff changeset
205 else:
97b734fb9c6f Use try/finally pattern to cleanup locks and transactions
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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>
parents: 2595
diff changeset
207
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diff changeset
208 revs = None
97b734fb9c6f Use try/finally pattern to cleanup locks and transactions
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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parents: 4840
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:
97b734fb9c6f Use try/finally pattern to cleanup locks and transactions
Matt Mackall <mpm@selenic.com>
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
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
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
Matt Mackall <mpm@selenic.com>
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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Matt Mackall <mpm@selenic.com>
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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Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2595
diff changeset
239
4959
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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
Matt Mackall <mpm@selenic.com>
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]:
39fd6e82ea38 merge: pull user messages out to hg.py
Matt Mackall <mpm@selenic.com>
parents: 3188
diff changeset
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)