Mercurial > hg > mercurial-crew-with-dirclash

annotate mercurial/hg.py @ 4819:616a5adbf402

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extensions: untangle some recursive dependencies
author Matt Mackall <mpm@selenic.com>
date Thu, 05 Jul 2007 15:37:23 -0500
parents 63b9d2deed48
children bf10a03a6b24
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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, cmdutil, 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 schemes = {
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22 'bundle': bundlerepo,
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23 'file': _local,
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24 'hg': httprepo,
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25 'http': httprepo,
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26 'https': httprepo,
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27 'old-http': statichttprepo,
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28 'ssh': sshrepo,
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29 'static-http': statichttprepo,
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30 }
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31
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32 def _lookup(path):
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33 scheme = 'file'
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34 if path:
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35 c = path.find(':')
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36 if c > 0:
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37 scheme = path[:c]
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38 thing = schemes.get(scheme) or schemes['file']
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39 try:
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40 return thing(path)
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41 except TypeError:
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42 return thing
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43
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44 def islocal(repo):
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45 '''return true if repo or path is local'''
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46 if isinstance(repo, str):
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47 try:
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48 return _lookup(repo).islocal(repo)
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49 except AttributeError:
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50 return False
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51 return repo.local()
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52
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53 def repository(ui, path='', create=False):
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54 """return a repository object for the specified path"""
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55 repo = _lookup(path).instance(ui, path, create)
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56 ui = getattr(repo, "ui", ui)
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57 for hook in extensions.setuphooks:
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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
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99 origsource = source
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100 source, rev = cmdutil.parseurl(ui.expandpath(source), rev)
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101
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102 if isinstance(source, str):
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103 src_repo = repository(ui, source)
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104 else:
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105 src_repo = source
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106 source = src_repo.url()
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107
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108 if dest is None:
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109 dest = defaultdest(source)
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110 ui.status(_("destination directory: %s\n") % dest)
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111
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112 def localpath(path):
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113 if path.startswith('file://'):
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114 return path[7:]
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115 if path.startswith('file:'):
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116 return path[5:]
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117 return path
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118
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119 dest = localpath(dest)
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120 source = localpath(source)
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121
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122 if os.path.exists(dest):
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123 raise util.Abort(_("destination '%s' already exists") % dest)
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124
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125 class DirCleanup(object):
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126 def __init__(self, dir_):
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127 self.rmtree = shutil.rmtree
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128 self.dir_ = dir_
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129 def close(self):
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130 self.dir_ = None
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131 def __del__(self):
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132 if self.dir_:
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133 self.rmtree(self.dir_, True)
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134
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135 dir_cleanup = None
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136 if islocal(dest):
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137 dir_cleanup = DirCleanup(dest)
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diff changeset
138
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139 abspath = origsource
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140 copy = False
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141 if src_repo.local() and islocal(dest):
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142 abspath = os.path.abspath(origsource)
2597
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143 copy = not pull and not rev
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diff changeset
144
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diff changeset
145 src_lock, dest_lock = None, None
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146 if copy:
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diff changeset
147 try:
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diff changeset
148 # we use a lock here because if we race with commit, we
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149 # can end up with extra data in the cloned revlogs that's
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150 # not pointed to by changesets, thus causing verify to
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151 # fail
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diff changeset
152 src_lock = src_repo.lock()
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diff changeset
153 except lock.LockException:
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154 copy = False
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155
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156 if copy:
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157 def force_copy(src, dst):
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diff changeset
158 try:
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diff changeset
159 util.copyfiles(src, dst)
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diff changeset
160 except OSError, inst:
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diff changeset
161 if inst.errno != errno.ENOENT:
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diff changeset
162 raise
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163
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diff changeset
164 src_store = os.path.realpath(src_repo.spath)
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diff changeset
165 if not os.path.exists(dest):
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diff changeset
166 os.mkdir(dest)
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diff changeset
167 dest_path = os.path.realpath(os.path.join(dest, ".hg"))
3849
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diff changeset
168 os.mkdir(dest_path)
3853
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diff changeset
169 if src_repo.spath != src_repo.path:
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diff changeset
170 dest_store = os.path.join(dest_path, "store")
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diff changeset
171 os.mkdir(dest_store)
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diff changeset
172 else:
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diff changeset
173 dest_store = dest_path
3851
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diff changeset
174 # copy the requires file
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diff changeset
175 force_copy(src_repo.join("requires"),
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diff changeset
176 os.path.join(dest_path, "requires"))
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diff changeset
177 # we lock here to avoid premature writing to the target
3791
8643b9f90b51 introduce localrepo.spath for the store path, sopener fixes
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diff changeset
178 dest_lock = lock.lock(os.path.join(dest_store, "lock"))
2597
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diff changeset
179
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diff changeset
180 files = ("data",
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diff changeset
181 "00manifest.d", "00manifest.i",
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diff changeset
182 "00changelog.d", "00changelog.i")
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diff changeset
183 for f in files:
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diff changeset
184 src = os.path.join(src_store, f)
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diff changeset
185 dst = os.path.join(dest_store, f)
3851
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diff changeset
186 force_copy(src, dst)
2597
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diff changeset
187
2631
8f564a875b50 codingstyle: use spaces instead of tabs
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diff changeset
188 # we need to re-init the repo after manually copying the data
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diff changeset
189 # into it
2597
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diff changeset
190 dest_repo = repository(ui, dest)
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diff changeset
191
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diff changeset
192 else:
3849
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diff changeset
193 dest_repo = repository(ui, dest, create=True)
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diff changeset
194
2597
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diff changeset
195 revs = None
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diff changeset
196 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
197 if 'lookup' not in src_repo.capabilities:
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diff changeset
198 raise util.Abort(_("src repository does not support revision "
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diff changeset
199 "lookup and so doesn't support clone by "
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diff changeset
200 "revision"))
2597
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diff changeset
201 revs = [src_repo.lookup(r) for r in rev]
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diff changeset
202
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diff changeset
203 if dest_repo.local():
2613
479e26afa10f clone: do not make streaming default. add --stream option instead.
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diff changeset
204 dest_repo.clone(src_repo, heads=revs, stream=stream)
2597
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diff changeset
205 elif src_repo.local():
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diff changeset
206 src_repo.push(dest_repo, revs=revs)
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diff changeset
207 else:
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diff changeset
208 raise util.Abort(_("clone from remote to remote not supported"))
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diff changeset
209
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diff changeset
210 if src_lock:
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diff changeset
211 src_lock.release()
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diff changeset
212
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diff changeset
213 if dest_repo.local():
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diff changeset
214 fp = dest_repo.opener("hgrc", "w", text=True)
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diff changeset
215 fp.write("[paths]\n")
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diff changeset
216 fp.write("default = %s\n" % abspath)
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diff changeset
217 fp.close()
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diff changeset
218
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diff changeset
219 if dest_lock:
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diff changeset
220 dest_lock.release()
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2595
diff changeset
221
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2595
diff changeset
222 if update:
4477
6cbfa740c129 clone: checkout the "default" branch if available
Matt Mackall <mpm@selenic.com>
parents: 4081
diff changeset
223 try:
6cbfa740c129 clone: checkout the "default" branch if available
Matt Mackall <mpm@selenic.com>
parents: 4081
diff changeset
224 checkout = dest_repo.lookup("default")
6cbfa740c129 clone: checkout the "default" branch if available
Matt Mackall <mpm@selenic.com>
parents: 4081
diff changeset
225 except:
6cbfa740c129 clone: checkout the "default" branch if available
Matt Mackall <mpm@selenic.com>
parents: 4081
diff changeset
226 checkout = dest_repo.changelog.tip()
6cbfa740c129 clone: checkout the "default" branch if available
Matt Mackall <mpm@selenic.com>
parents: 4081
diff changeset
227 _update(dest_repo, checkout)
2597
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diff changeset
228 if dir_cleanup:
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diff changeset
229 dir_cleanup.close()
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diff changeset
230
5ba8be56fa8f clone: move code into hg module. make doc better.
Vadim Gelfer <vadim.gelfer@gmail.com>
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diff changeset
231 return src_repo, dest_repo
2799
b550cd82f92a Move merge code to its own module
Matt Mackall <mpm@selenic.com>
parents: 2798
diff changeset
232
3323
39fd6e82ea38 merge: pull user messages out to hg.py
Matt Mackall <mpm@selenic.com>
parents: 3188
diff changeset
233 def _showstats(repo, stats):
39fd6e82ea38 merge: pull user messages out to hg.py
Matt Mackall <mpm@selenic.com>
parents: 3188
diff changeset
234 stats = ((stats[0], _("updated")),
39fd6e82ea38 merge: pull user messages out to hg.py
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parents: 3188
diff changeset
235 (stats[1], _("merged")),
39fd6e82ea38 merge: pull user messages out to hg.py
Matt Mackall <mpm@selenic.com>
parents: 3188
diff changeset
236 (stats[2], _("removed")),
39fd6e82ea38 merge: pull user messages out to hg.py
Matt Mackall <mpm@selenic.com>
parents: 3188
diff changeset
237 (stats[3], _("unresolved")))
39fd6e82ea38 merge: pull user messages out to hg.py
Matt Mackall <mpm@selenic.com>
parents: 3188
diff changeset
238 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
239 repo.ui.status("%s\n" % note)
39fd6e82ea38 merge: pull user messages out to hg.py
Matt Mackall <mpm@selenic.com>
parents: 3188
diff changeset
240
39fd6e82ea38 merge: pull user messages out to hg.py
Matt Mackall <mpm@selenic.com>
parents: 3188
diff changeset
241 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
242
2822
30f59f4a327e Introduce update helper functions: update, merge, clean, and revert
Matt Mackall <mpm@selenic.com>
parents: 2802
diff changeset
243 def update(repo, node):
30f59f4a327e Introduce update helper functions: update, merge, clean, and revert
Matt Mackall <mpm@selenic.com>
parents: 2802
diff changeset
244 """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
245 pl = repo.parents()
3323
39fd6e82ea38 merge: pull user messages out to hg.py
Matt Mackall <mpm@selenic.com>
parents: 3188
diff changeset
246 stats = _merge.update(repo, node, False, False, None, None)
39fd6e82ea38 merge: pull user messages out to hg.py
Matt Mackall <mpm@selenic.com>
parents: 3188
diff changeset
247 _showstats(repo, stats)
39fd6e82ea38 merge: pull user messages out to hg.py
Matt Mackall <mpm@selenic.com>
parents: 3188
diff changeset
248 if stats[3]:
39fd6e82ea38 merge: pull user messages out to hg.py
Matt Mackall <mpm@selenic.com>
parents: 3188
diff changeset
249 repo.ui.status(_("There are unresolved merges with"
39fd6e82ea38 merge: pull user messages out to hg.py
Matt Mackall <mpm@selenic.com>
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250 " locally modified files.\n"))
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251 if stats[1]:
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252 repo.ui.status(_("You can finish the partial merge using:\n"))
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253 else:
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254 repo.ui.status(_("You can redo the full merge using:\n"))
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255 # len(pl)==1, otherwise _merge.update() would have raised util.Abort:
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256 repo.ui.status(_(" hg update %s\n hg update %s\n")
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257 % (pl[0].rev(), repo.changectx(node).rev()))
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258 return stats[3]
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259
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260 def clean(repo, node, wlock=None, show_stats=True):
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261 """forcibly switch the working directory to node, clobbering changes"""
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262 stats = _merge.update(repo, node, False, True, None, wlock)
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263 if show_stats: _showstats(repo, stats)
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264 return stats[3]
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265
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266 def merge(repo, node, force=None, remind=True, wlock=None):
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267 """branch merge with node, resolving changes"""
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268 stats = _merge.update(repo, node, True, force, False, wlock)
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269 _showstats(repo, stats)
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270 if stats[3]:
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271 pl = repo.parents()
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272 repo.ui.status(_("There are unresolved merges,"
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273 " you can redo the full merge using:\n"
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274 " hg update -C %s\n"
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275 " hg merge %s\n")
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276 % (pl[0].rev(), pl[1].rev()))
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277 elif remind:
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278 repo.ui.status(_("(branch merge, don't forget to commit)\n"))
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279 return stats[3]
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280
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281 def revert(repo, node, choose, wlock):
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282 """revert changes to revision in node without updating dirstate"""
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283 return _merge.update(repo, node, False, True, choose, wlock)[3]
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284
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285 def verify(repo):
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286 """verify the consistency of a repository"""
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287 return _verify.verify(repo)