Mercurial > hgsubversion

annotate __init__.py @ 253:c3d5c4ae9c7c

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Work with simple command table instead of decorators.
author Dirkjan Ochtman <dirkjan@ochtman.nl>
date Fri, 10 Apr 2009 23:09:59 +0200
parents 23b02f892d9b
children 7932d098cb5f
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1 '''integration with Subversion repositories
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2
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3 This extension allows Mercurial to act as a Subversion client, for
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4 fast incremental, bidirectional updates.
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5
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6 It is *not* ready yet for production use. You should only be using
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7 this if you're ready to hack on it, and go diving into the internals
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8 of Mercurial and/or Subversion.
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9
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10 Before using hgsubversion, it is *strongly* encouraged to run the
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11 automated tests. See `README' in the hgsubversion directory for
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12 details.
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13 '''
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14
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15 import os
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16 import sys
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17 import traceback
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18
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19 from mercurial import commands
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20 from mercurial import hg
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21 from mercurial import util as hgutil
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22
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23 from svn import core
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24
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25 import svncommands
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26 import tag_repo
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27 import util
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28
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29 def reposetup(ui, repo):
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30 if not util.is_svn_repo(repo):
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31 return
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32
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33 repo.__class__ = tag_repo.generate_repo_class(ui, repo)
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34
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35
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36 def svn(ui, repo, subcommand, *args, **opts):
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37 '''see detailed help for list of subcommands'''
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38
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39 # guess command if prefix
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40 if subcommand not in svncommands.table:
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41 candidates = []
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42 for c in svncommands.table:
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43 if c.startswith(subcommand):
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44 candidates.append(c)
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45 if len(candidates) == 1:
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46 subcommand = candidates[0]
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47
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48 path = os.path.dirname(repo.path)
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49 try:
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50 commandfunc = svncommands.table[subcommand]
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51 if commandfunc not in svncommands.nourl:
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52 opts['svn_url'] = open(os.path.join(repo.path, 'svn', 'url')).read()
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53 return commandfunc(ui, args=args, hg_repo_path=path, repo=repo, **opts)
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54 except core.SubversionException, e:
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55 if e.apr_err == core.SVN_ERR_RA_SERF_SSL_CERT_UNTRUSTED:
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56 raise hgutil.Abort('It appears svn does not trust the ssl cert for this site.\n'
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57 'Please try running svn ls on that url first.')
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58 raise
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59 except TypeError:
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60 tb = traceback.extract_tb(sys.exc_info()[2])
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61 if len(tb) == 1:
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62 ui.status('Bad arguments for subcommand %s\n' % subcommand)
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63 else:
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64 raise
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65 except KeyError, e:
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66 tb = traceback.extract_tb(sys.exc_info()[2])
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67 if len(tb) == 1:
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68 ui.status('Unknown subcommand %s\n' % subcommand)
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69 else:
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70 raise
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71
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73 def svn_fetch(ui, svn_url, hg_repo_path=None, **opts):
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74 '''clone Subversion repository to a local Mercurial repository.
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75
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76 If no destination directory name is specified, it defaults to the
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77 basename of the source plus "-hg".
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78
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79 You can specify multiple paths for the location of tags using comma
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80 separated values.
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81 '''
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82 if not hg_repo_path:
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83 hg_repo_path = hg.defaultdest(svn_url) + "-hg"
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84 ui.status("Assuming destination %s\n" % hg_repo_path)
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85 should_update = not os.path.exists(hg_repo_path)
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86 svn_url = util.normalize_url(svn_url)
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87 try:
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88 res = svncommands.pull(ui, svn_url, hg_repo_path, **opts)
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89 except core.SubversionException, e:
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90 if e.apr_err == core.SVN_ERR_RA_SERF_SSL_CERT_UNTRUSTED:
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91 raise hgutil.Abort('It appears svn does not trust the ssl cert for this site.\n'
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92 'Please try running svn ls on that url first.')
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93 raise
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94 if (res is None or res == 0) and should_update:
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95 repo = hg.repository(ui, hg_repo_path)
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96 commands.update(ui, repo, repo['tip'].node())
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97 return res
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99 commands.norepo += " svnclone"
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100 cmdtable = {
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101 "svn":
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102 (svn,
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103 [('u', 'svn-url', '', 'path to the Subversion server.'),
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104 ('', 'stupid', False, 'be stupid and use diffy replay.'),
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105 ('A', 'authors', '', 'username mapping filename'),
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106 ('', 'filemap', '',
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107 'remap file to exclude paths or include only certain paths'),
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108 ('', 'force', False, 'force an operation to happen'),
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109 ('', 'username', '', 'username for authentication'),
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110 ('', 'password', '', 'password for authentication'),
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111 ],
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112 svncommands._helpgen(),
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113 ),
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114 "svnclone":
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115 (svn_fetch,
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116 [('S', 'skipto-rev', '0', 'skip commits before this revision.'),
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117 ('', 'stupid', False, 'be stupid and use diffy replay.'),
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118 ('T', 'tag-locations', 'tags', 'Relative path to Subversion tags.'),
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119 ('A', 'authors', '', 'username mapping filename'),
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120 ('', 'filemap', '',
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121 'remap file to exclude paths or include only certain paths'),
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122 ('', 'username', '', 'username for authentication'),
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123 ('', 'password', '', 'password for authentication'),
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124 ],
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125 'hg svnclone source [dest]'),
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126 }