1223
1223
# in one go, and the user probably will have seen a warning about
1224
1224
# the server being old anyhow.
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1225
rg = self._get_revision_graph(None)
1227
1227
# get_revision_graph. Specifically, a "key:()" pair in
1228
1228
# get_revision_graph just means a node has no parents. For
1229
1229
# "get_parent_map" it means the node is a ghost. So fix up the