revlog: drop duplicated code
This code probably got duplicated by a rebase/evolve conflict. We drop the
extra copy, the other copy is right below.
This had no real effects since other logic ensure that we never test the same
revision twice.
--- a/mercurial/revlogutils/deltas.py Wed Sep 05 09:04:40 2018 -0700
+++ b/mercurial/revlogutils/deltas.py Tue Sep 04 21:05:21 2018 +0200
@@ -621,19 +621,6 @@
curr = len(revlog)
prev = curr - 1
- # should we try to build a delta?
- if prev != nullrev and revlog._storedeltachains:
- tested = set()
- # This condition is true most of the time when processing
- # changegroup data into a generaldelta repo. The only time it
- # isn't true is if this is the first revision in a delta chain
- # or if ``format.generaldelta=true`` disabled ``lazydeltabase``.
- if cachedelta and gdelta and revlog._lazydeltabase:
- # Assume what we received from the server is a good choice
- # build delta will reuse the cache
- yield (cachedelta[0],)
- tested.add(cachedelta[0])
-
# This condition is true most of the time when processing
# changegroup data into a generaldelta repo. The only time it
# isn't true is if this is the first revision in a delta chain