664
664
if not self._format.supports_set_append_revisions_only():
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def set_append_revisions_only(self, enabled):
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669
if not self._format.supports_set_append_revisions_only():
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670
raise errors.UpgradeRequired(self.user_url)
679
673
def set_reference_info(self, file_id, tree_path, branch_location):
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674
"""Set the branch location to use for a tree reference."""