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Viewing changes to bzrlib/bzrdir.py

(robertc) Pull in patches from bzr.dev: Up to rev 4637, then 4639,
        4641, 4643, 4646, 4649, 4650, 4651. (Robert Collins)

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bzrlib/bzrdir.py
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        return True
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    def check_conversion_target(self, target_format):
 
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        """Check that a bzrdir as a whole can be converted to a new format."""
 
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        # The only current restriction is that the repository content can be 
 
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        # fetched compatibly with the target.
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        target_repo_format = target_format.repository_format
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        self.open_repository()._format.check_conversion_target(target_repo_format)
 
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        try:
 
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            self.open_repository()._format.check_conversion_target(
 
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                target_repo_format)
 
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        except errors.NoRepositoryPresent:
 
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            # No repo, no problem.
 
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            pass
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    @staticmethod
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    def _check_supported(format, allow_unsupported,