delta-find: add more explanation to the the deltas_limit < length check
More explanations is always good.
--- a/mercurial/revlogutils/deltas.py Thu Nov 23 01:13:40 2023 +0100
+++ b/mercurial/revlogutils/deltas.py Thu Nov 23 01:28:30 2023 +0100
@@ -776,6 +776,9 @@
tested.add(rev)
continue
# filter out delta base that will never produce good delta
+ #
+ # if the delta of that base is already bigger than the limit
+ # for the delta chain size, doing a delta is hopeless.
if deltas_limit < self.revlog.length(rev):
tested.add(rev)
continue