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  • Committer: John Arbash Meinel
  • Date: 2008-07-11 21:41:24 UTC
  • mto: This revision was merged to the branch mainline in revision 3543.
  • Revision ID: john@arbash-meinel.com-20080711214124-qi09irlj7pd5cuzg
Shortcut the case when one revision is in the ancestry of the other.

At the cost of a heads() check, when one parent supersedes, we don't have to extract
the text for the other. Changes merge time from 3m37s => 3m21s. Using a
CachingParentsProvider would drop the time down to 3m11s.

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Lines of Context:
bzrlib/xml7.py
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    supported_kinds = set(['file', 'directory', 'symlink', 'tree-reference'])
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    format_num = '7'
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    def _unpack_entry(self, elt, entry_cache=None):
 
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    def _unpack_entry(self, elt):
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        kind = elt.tag
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        if not kind in self.supported_kinds:
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            raise AssertionError('unsupported entry kind %s' % kind)