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  • Committer: Robert Collins
  • Date: 2009-04-27 05:56:16 UTC
  • mto: This revision was merged to the branch mainline in revision 4304.
  • Revision ID: robertc@robertcollins.net-20090427055616-uhoqgnr8d220u3lv
Prevent aliasing issues with BzrDirMetaFormat1 by making a new format object in _open.

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bzrlib/bzrdir.py
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    def _open(self, transport):
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        """See BzrDirFormat._open."""
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        return BzrDirMeta1(transport, self)
 
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        # Create a new format instance because otherwise initialisation of new
 
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        # metadirs share the global default format object leading to alias
 
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        # problems.
 
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        format = BzrDirMetaFormat1()
 
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        self._supply_sub_formats_to(format)
 
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        return BzrDirMeta1(transport, format)
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    def __return_repository_format(self):
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        """Circular import protection."""