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  • Committer: Alexander Belchenko
  • Date: 2006-07-18 14:34:50 UTC
  • mto: This revision was merged to the branch mainline in revision 637.
  • Revision ID: bialix@ukr.net-20060718143450-3a7e672183317bbe
first version of heads command. thanks to Robert Collins for algorithm

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__init__.py
 
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# based on Robert Collins code
 
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"""Show all 'heads' in shared repository"""
 
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from bzrlib.commands import Command, display_command, register_command
 
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class cmd_heads(Command):
 
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    """Show all revisions in shared repository that does not have descendants.
 
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    """
 
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    encoding_type = "replace"
 
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    @display_command
 
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    def run(self):
 
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        from bzrlib.errors import NoRepositoryPresent
 
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        from bzrlib.osutils import format_date
 
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        import bzrlib.repository
 
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        try:
 
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            r = bzrlib.repository.Repository.open('.')
 
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        except NoRepositoryPresent, e:
 
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            print ("You need to run this command "
 
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                   "from the root of shared repository")
 
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            return
 
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        g = r.get_revision_graph()
 
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        possible_heads = set(g.keys())
 
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        not_heads = set()
 
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        for parents in g.values():
 
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            not_heads.update(set(parents))
 
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        heads = possible_heads.difference(not_heads)
 
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        heads = list(heads)
 
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        heads.sort()
 
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        to_file = self.outf
 
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        indent = ' '*2
 
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        show_timezone = 'original'
 
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        for head in heads:
 
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            print "revid:", head
 
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            rev = r.get_revision(head)
 
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            # borrowed from LonLogFormatter
 
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            print >>to_file,  indent+'committer:', rev.committer
 
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            try:
 
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                print >>to_file, indent+'branch nick: %s' % \
 
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                    rev.properties['branch-nick']
 
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            except KeyError:
 
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                pass
 
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            date_str = format_date(rev.timestamp,
 
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                                   rev.timezone or 0,
 
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                                   show_timezone)
 
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            print >>to_file,  indent+'timestamp: %s' % date_str
 
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            print >>to_file,  indent+'message:'
 
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            if not rev.message:
 
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                print >>to_file,  indent+'  (no message)'
 
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            else:
 
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                message = rev.message.rstrip('\r\n')
 
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                for l in message.split('\n'):
 
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                    print >>to_file,  indent+'  ' + l
 
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            print
 
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        if not heads:
 
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            print 'No heads found'
 
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#/class cmd_heads
 
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register_command(cmd_heads)