Mercurial > hgsubversion

annotate rebuildmeta.py @ 189:8f751987cc0a

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Wrap long lines in README.
author Martin Geisler <mg@daimi.au.dk>
date Wed, 21 Jan 2009 20:35:51 -0600
parents 57355b0e7bd1
children 77812f98e250
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ba801f44d240 utility_commands: Implement rebuildmeta so that metadata can be rebuilt.
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1 import os
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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 def rebuildmeta(ui, repo, hg_repo_path, args, **opts):
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10 """rebuild hgsubversion metadata using values stored in revisions
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11 """
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12 assert len(args) == 1, 'You must pass the svn URI used to create this repo.'
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13 uuid = None
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14 svn = svnwrap.SubversionRepo(url=args[0])
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15 subdir = svn.subdir
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16 svnmetadir = os.path.join(repo.path, 'svn')
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17 if not os.path.exists(svnmetadir):
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18 os.makedirs(svnmetadir)
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19
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20 revmap = open(os.path.join(svnmetadir, 'rev_map'), 'w')
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21 revmap.write('1\n')
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22 last_rev = -1
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23 branchinfo = {}
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24 noderevnums = {}
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25 for rev in repo:
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26 ctx = repo[rev]
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27 convinfo = ctx.extra().get('convert_revision', None)
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28 if convinfo:
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29 assert convinfo.startswith('svn:')
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30 revpath, revision = convinfo[40:].split('@')
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31 if subdir and subdir[0] != '/':
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32 subdir = '/' + subdir
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33 if subdir and subdir[-1] == '/':
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34 subdir = subdir[:-1]
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35 assert revpath.startswith(subdir), ('That does not look like the '
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36 'right location in the repo.')
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37 if uuid is None:
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38 uuid = convinfo[4:40]
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39 assert uuid == svn.uuid, 'UUIDs did not match!'
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40 urlfile = open(os.path.join(svnmetadir, 'url'), 'w')
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41 urlfile.write(args[0])
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42 urlfile.close()
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43 uuidfile = open(os.path.join(svnmetadir, 'uuid'), 'w')
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44 uuidfile.write(uuid)
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45 uuidfile.close()
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46 commitpath = revpath[len(subdir)+1:]
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47 if commitpath.startswith('branches'):
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48 commitpath = commitpath[len('branches/'):]
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49 elif commitpath == 'trunk':
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50 commitpath = ''
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51 else:
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52 assert False, 'Unhandled case in rebuildmeta'
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53 revmap.write('%s %s %s\n' % (revision,
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54 node.hex(ctx.node()),
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55 commitpath))
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56 revision = int(revision)
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57 noderevnums[ctx.node()] = revision
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58 if revision > last_rev:
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59 last_rev = revision
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60 branch = ctx.branch()
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61 if branch == 'default':
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62 branch = None
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63 if branch not in branchinfo:
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64 parent = ctx.parents()[0]
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65 if (parent.node() in noderevnums
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66 and parent.branch() != ctx.branch()):
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67 parentbranch = parent.branch()
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68 if parentbranch == 'default':
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69 parentbranch = None
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70 else:
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71 parentbranch = None
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72 branchinfo[branch] = (parentbranch,
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73 noderevnums.get(parent.node(), 0),
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74 revision)
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75 for c in ctx.children():
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76 if c.branch() == 'closed-branches':
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77 if branch in branchinfo:
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78 del branchinfo[branch]
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79 lastrevfile = open(os.path.join(svnmetadir, 'last_rev'), 'w')
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80 lastrevfile.write(str(last_rev))
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81 lastrevfile.close()
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82 branchinfofile = open(os.path.join(svnmetadir, 'branch_info'), 'w')
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83 pickle.dump(branchinfo, branchinfofile)
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84 branchinfofile.close()
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85 tagsinfo = {}
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86 realtags = svn.tags
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87 tagsleft = realtags.items()
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88 while tagsleft:
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89 tag, tagparent = tagsleft.pop(0)
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90 source, rev = tagparent
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91 if source.startswith('tags/'):
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92 src = source[len('tags/'):]
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93 if src in tagsinfo:
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94 tagsinfo[tag] = tagsinfo[src]
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95 elif src in realtags:
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96 if (realtags[src][1] <= last_rev
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97 or realtags[src][0].startswith('tags/')):
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98 tagsleft.append(src)
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99 else:
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100 older_tags = svn.tags_at_rev(rev)
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101 newsrc, newrev = older_tags[src]
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102 tagsleft.append((tag, (newsrc, newrev)))
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103 if source.startswith('branches/') or source == 'trunk':
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104 source = determinebranch(source)
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105 if rev <= last_rev:
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106 tagsinfo[tag] = source, rev
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107 tagsinfofile = open(os.path.join(svnmetadir, 'tag_info'), 'w')
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108 pickle.dump(tagsinfo, tagsinfofile)
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109 tagsinfofile.close()
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110 rebuildmeta = util.register_subcommand('rebuildmeta')(rebuildmeta)
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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