--- a/mercurial/revlogutils/deltas.py Sun Nov 06 12:53:03 2022 -0500
+++ b/mercurial/revlogutils/deltas.py Sun Nov 06 12:53:57 2022 -0500
@@ -916,14 +916,14 @@
# chain.
max_depth = max(parents_snaps.keys())
chain = deltachain(other)
- for idx, s in enumerate(chain):
+ for depth, s in enumerate(chain):
if s < snapfloor:
continue
- if max_depth < idx:
+ if max_depth < depth:
break
if not revlog.issnapshot(s):
break
- parents_snaps[idx].add(s)
+ parents_snaps[depth].add(s)
# Test them as possible intermediate snapshot base
# We test them from highest to lowest level. High level one are more
# likely to result in small delta