154
154
parent_map = dict(((key, value) for key, value
155
155
in graph.iter_ancestry(mainline_revs[1:])
158
158
# XXX: is this needed here ? -- vila080910
159
159
rev_graph = _mod_repository._strip_NULL_ghosts(parent_map)
160
160
# XXX: what if rev_graph is empty now ? -- vila080910