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  • Committer: Robert Collins
  • Date: 2006-07-04 17:23:00 UTC
  • mto: This revision was merged to the branch mainline in revision 1840.
  • Revision ID: robertc@robertcollins.net-20060704172300-c4af39f04babcab8
(robertc) Teach repository.get_revision_graph, and revision.common_ancestor, about NULL_REVISION.

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bzrlib/revision.py
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                    pb=DummyProgress()):
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    if None in (revision_a, revision_b):
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        return None
 
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    if NULL_REVISION in (revision_a, revision_b):
 
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        return NULL_REVISION
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    # trivial optimisation
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    if revision_a == revision_b:
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        return revision_a