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  • Committer: Aaron Bentley
  • Date: 2007-06-08 15:03:32 UTC
  • mto: This revision was merged to the branch mainline in revision 2534.
  • Revision ID: abentley@panoramicfeedback.com-20070608150332-jxt1yx9hy7dmhxhv
Update distinct -> lowest, refactor, add ParentsProvider concept

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bzrlib/repository.py
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            done.add(revision_id)
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        return result
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    def get_graph_walker(self, other_repository=None):
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        """Return the graph walker for this repository format"""
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        graphs = [self.get_revision_graph_with_ghosts()]
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        if other_repository is not None:
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            graphs.append(other_repository.get_revision_graph_with_ghosts())
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        return graph_walker.GraphWalker(graphs)
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    def _get_history_vf(self):
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        """Get a versionedfile whose history graph reflects all revisions.
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        revision_id = osutils.safe_revision_id(revision_id)
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        return self.get_inventory_weave().parent_names(revision_id)
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    def get_parents(self, revision_ids):
 
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        """See GraphWalker.get_parents"""
 
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        parents_list = []
 
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        for revision_id in revision_ids:
 
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            if revision_id == _mod_revision.NULL_REVISION:
 
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                parents = []
 
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            else:
 
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                try:
 
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                    parents = self.get_revision(revision_id).parent_ids
 
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                except errors.NoSuchRevision:
 
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                    parents = None
 
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                else:
 
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                    if len(parents) == 0:
 
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                        parents = [_mod_revision.NULL_REVISION]
 
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            parents_list.append(parents)
 
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        return parents_list
 
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    def _make_parents_provider(self):
 
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        return self
 
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    def get_graph_walker(self, other_repository=None):
 
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        """Return the graph walker for this repository format"""
 
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        parents_provider = self._make_parents_provider()
 
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        if other_repository is not None:
 
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            parents_provider = graph_walker._StackedParentsProvider(
 
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                [parents_provider, other_repository._make_parents_provider()])
 
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        return graph_walker.GraphWalker(parents_provider)
 
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    @needs_write_lock
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    def set_make_working_trees(self, new_value):
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        """Set the policy flag for making working trees when creating branches.