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Viewing changes to bzrlib/workingtree_4.py

  • Committer: John Arbash Meinel
  • Date: 2008-06-02 16:09:09 UTC
  • mto: This revision was merged to the branch mainline in revision 3472.
  • Revision ID: john@arbash-meinel.com-20080602160909-u5q4mzn2ou6kz2r7
Change WT.set_parent_(ids/trees) to filter out ancestors.

This makes it impossible to trigger bug #235407, since we can't have repeated
ancestors given.

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Lines of Context:
bzrlib/workingtree_4.py
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                raise errors.GhostRevisionUnusableHere(parents_list[0][0])
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        real_trees = []
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        ghosts = []
 
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        parent_ids = [rev_id for rev_id, tree in parents_list]
 
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        graph = self.branch.repository.get_graph()
 
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        heads = graph.heads(parent_ids)
 
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        accepted_revisions = set()
 
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        # convert absent trees to the null tree, which we convert back to
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        # missing on access.
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        for rev_id, tree in parents_list:
 
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            if len(accepted_revisions) > 0:
 
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                # we always accept the first tree
 
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                if rev_id in accepted_revisions or rev_id not in heads:
 
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                    # We have already included either this tree, or its
 
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                    # descendent, so we skip it.
 
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                    continue
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            _mod_revision.check_not_reserved_id(rev_id)
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            if tree is not None:
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                real_trees.append((rev_id, tree))
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                real_trees.append((rev_id,
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                    self.branch.repository.revision_tree(None)))
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                ghosts.append(rev_id)
 
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            accepted_revisions.add(rev_id)
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        dirstate.set_parent_trees(real_trees, ghosts=ghosts)
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        self._make_dirty(reset_inventory=False)
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