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Viewing changes to bzrlib/branch.py

First cut at pluralised VersionedFiles. Some rather massive API incompatabilities, primarily because of the difficulty of coherence among competing stores.

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bzrlib/branch.py
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        """See Branch.set_revision_history."""
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        if 'evil' in debug.debug_flags:
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            mutter_callsite(3, "set_revision_history scales with history.")
 
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        check_not_reserved_id = _mod_revision.check_not_reserved_id
 
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        for rev_id in rev_history:
 
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            check_not_reserved_id(rev_id)
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        self._write_revision_history(rev_history)
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        self._clear_cached_state()
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        self._cache_revision_history(rev_history)
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            raise errors.NoSuchRevision(self, revision_id)
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        current_rev_id = revision_id
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        new_history = []
 
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        check_not_reserved_id = _mod_revision.check_not_reserved_id
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        # Do not include ghosts or graph origin in revision_history
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        while (current_rev_id in parents_map and
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               len(parents_map[current_rev_id]) > 0):
 
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            check_not_reserved_id(current_rev_id)
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            new_history.append(current_rev_id)
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            current_rev_id = parents_map[current_rev_id][0]
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            parents_map = graph.get_parent_map([current_rev_id])