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comparison mercurial/revlogutils/deltas.py @ 49794:40e24d82b513

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delta-find: make sure we only use newer full snapshot as candidate The current code does not needs to protect against this, as there are no older snapshot in the current cache. However as we are getting ready to reuse this cache from one revision to another, we need the code to protect itself about what's coming.
author Pierre-Yves David <pierre-yves.david@octobus.net>
date Sun, 06 Nov 2022 17:55:55 -0500
parents b670eb3dd6c9
children c261a628e525
comparison
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49793:b670eb3dd6c9 49794:40e24d82b513
975 # 975 #
976 # It give a chance to reuse a delta chain unrelated to the current 976 # It give a chance to reuse a delta chain unrelated to the current
977 # revisions instead of starting our own. Without such re-use, 977 # revisions instead of starting our own. Without such re-use,
978 # topological branches would keep reopening new full chains. Creating 978 # topological branches would keep reopening new full chains. Creating
979 # more and more snapshot as the repository grow. 979 # more and more snapshot as the repository grow.
980 yield tuple(snapshot_cache.snapshots[nullrev]) 980 full = [r for r in snapshot_cache.snapshots[nullrev] if snapfloor <= r]
981 yield tuple(sorted(full))
981 982
982 if not sparse: 983 if not sparse:
983 # other approach failed try against prev to hopefully save us a 984 # other approach failed try against prev to hopefully save us a
984 # fulltext. 985 # fulltext.
985 yield (prev,) 986 yield (prev,)