Mercurial > public > mercurial-scm > hg-stable
diff mercurial/revlogutils/constants.py @ 49791:05db41701ece
find-delta: pass the cache-delta usage policy alongside the cache-delta
The idea is to give higher level code more control to what will happens with
the cache delta passed. This should help with controling how we treat delta's
from different sources.
The final goal of this change is to allow for server modes where the client can
blindly accept any server delta without regards to any local constraints. This
will be implemented in later changesets.
| author | Pierre-Yves David <pierre-yves.david@octobus.net> |
|---|---|
| date | Mon, 07 Nov 2022 22:12:59 -0500 |
| parents | 6000f5b25c9b |
| children | bcae90c53def |
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--- a/mercurial/revlogutils/constants.py Mon Nov 28 18:58:35 2022 +0100 +++ b/mercurial/revlogutils/constants.py Mon Nov 07 22:12:59 2022 -0500 @@ -301,3 +301,17 @@ SPARSE_REVLOG_MAX_CHAIN_LENGTH = 1000 + +### What should be done with a cached delta and its base ? + +# Ignore the cache when considering candidates. +# +# The cached delta might be used, but the delta base will not be scheduled for +# usage earlier than in "normal" order. +DELTA_BASE_REUSE_NO = 0 + +# Prioritize trying the cached delta base +# +# The delta base will be tested for validy first. So that the cached deltas get +# used when possible. +DELTA_BASE_REUSE_TRY = 1