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# FIXME: Check for diverged branches
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def get_changed_refs(old_refs):
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result.old_revid = self.target.mapping.revision_id_foreign_to_bzr(old_refs.get("refs/heads/master", "0" * 40))
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result.new_revid = stop_revision
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for name, sha in self.source.repository._git.refs.as_dict("refs/tags").iteritems():
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refs["refs/tags/%s" % name] = sha