Mercurial > hgsubversion

annotate rebuildmeta.py @ 174:f80132c5fea5

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Convert svn:externals properties into a .hgsvnexternals file
author Patrick Mezard <pmezard@gmail.com>
date Fri, 02 Jan 2009 15:54:05 -0600
parents ba801f44d240
children e37f9d3fd5e7
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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ba801f44d240 utility_commands: Implement rebuildmeta so that metadata can be rebuilt.
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1 import os
ba801f44d240 utility_commands: Implement rebuildmeta so that metadata can be rebuilt.
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2 import pickle
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3
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4 from mercurial import node
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5
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6 import svnwrap
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7 import util
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8
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9 @util.register_subcommand('rebuildmeta')
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10 def rebuildmeta(ui, repo, hg_repo_path, args, **opts):
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11 """Rebuild hgsubversion metadata using values stored in revisions.
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12 """
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13 assert len(args) == 1, 'You must pass the svn URI used to create this repo.'
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14 uuid = None
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15 svn = svnwrap.SubversionRepo(url=args[0])
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16 subdir = svn.subdir
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17 svnmetadir = os.path.join(repo.path, 'svn')
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18 if not os.path.exists(svnmetadir):
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19 os.makedirs(svnmetadir)
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20
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21 revmap = open(os.path.join(svnmetadir, 'rev_map'), 'w')
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22 revmap.write('1\n')
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23 last_rev = -1
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24 branchinfo = {}
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25 noderevnums = {}
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26 for rev in repo:
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27 ctx = repo[rev]
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28 convinfo = ctx.extra().get('convert_revision', None)
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29 if convinfo:
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30 assert convinfo.startswith('svn:')
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31 revpath, revision = convinfo[40:].split('@')
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32 if subdir and subdir[0] != '/':
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33 subdir = '/' + subdir
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34 if subdir and subdir[-1] == '/':
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35 subdir = subdir[:-1]
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36 assert revpath.startswith(subdir), ('That does not look like the '
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37 'right location in the repo.')
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38 if uuid is None:
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39 uuid = convinfo[4:40]
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40 assert uuid == svn.uuid, 'UUIDs did not match!'
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41 urlfile = open(os.path.join(svnmetadir, 'url'), 'w')
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42 urlfile.write(args[0])
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43 urlfile.close()
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44 uuidfile = open(os.path.join(svnmetadir, 'uuid'), 'w')
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45 uuidfile.write(uuid)
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46 uuidfile.close()
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47 commitpath = revpath[len(subdir)+1:]
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48 if commitpath.startswith('branches'):
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49 commitpath = commitpath[len('branches/'):]
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50 elif commitpath == 'trunk':
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51 commitpath = ''
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52 else:
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53 assert False, 'Unhandled case in rebuildmeta'
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54 revmap.write('%s %s %s\n' % (revision,
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55 node.hex(ctx.node()),
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56 commitpath))
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57 revision = int(revision)
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58 noderevnums[ctx.node()] = revision
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59 if revision > last_rev:
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60 last_rev = revision
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61 branch = ctx.branch()
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62 if branch == 'default':
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63 branch = None
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64 if branch not in branchinfo:
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65 parent = ctx.parents()[0]
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66 if (parent.node() in noderevnums
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67 and parent.branch() != ctx.branch()):
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68 parentbranch = parent.branch()
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69 if parentbranch == 'default':
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70 parentbranch = None
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71 else:
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72 parentbranch = None
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73 branchinfo[branch] = (parentbranch,
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74 noderevnums.get(parent.node(), 0),
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75 revision)
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76 for c in ctx.children():
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77 if c.branch() == 'closed-branches':
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78 if branch in branchinfo:
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79 del branchinfo[branch]
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80 lastrevfile = open(os.path.join(svnmetadir, 'last_rev'), 'w')
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81 lastrevfile.write(str(last_rev))
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82 lastrevfile.close()
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83 branchinfofile = open(os.path.join(svnmetadir, 'branch_info'), 'w')
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84 pickle.dump(branchinfo, branchinfofile)
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85 branchinfofile.close()
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86 tagsinfo = {}
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87 realtags = svn.tags
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88 tagsleft = realtags.items()
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89 while tagsleft:
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90 tag, tagparent = tagsleft.pop(0)
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91 source, rev = tagparent
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92 if source.startswith('tags/'):
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93 src = source[len('tags/'):]
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94 if src in tagsinfo:
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95 tagsinfo[tag] = tagsinfo[src]
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96 elif src in realtags:
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97 if (realtags[src][1] <= last_rev
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98 or realtags[src][0].startswith('tags/')):
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99 tagsleft.append(src)
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100 else:
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101 older_tags = svn.tags_at_rev(rev)
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102 newsrc, newrev = older_tags[src]
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103 tagsleft.append((tag, (newsrc, newrev)))
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104 if source.startswith('branches/') or source == 'trunk':
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105 source = determinebranch(source)
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106 if rev <= last_rev:
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107 tagsinfo[tag] = source, rev
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108 tagsinfofile = open(os.path.join(svnmetadir, 'tag_info'), 'w')
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109 pickle.dump(tagsinfo, tagsinfofile)
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110 tagsinfofile.close()
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111
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112
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113 def determinebranch(branch):
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114 if branch.startswith('branches'):
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115 branch = branch[len('branches/'):]
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116 elif branch == 'trunk':
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117 branch = None
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118 else:
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119 assert False, 'Unhandled case while regenerating metadata.'
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120 return branch