Mercurial > hg
changeset 39488:d629b6d2f05a
revlog: clarify the comment attached to delta reuse
The previous version was a bit complicated and referred to a deprecated
configuration option.
| author | Boris Feld <boris.feld@octobus.net> |
|---|---|
| date | Tue, 04 Sep 2018 21:28:28 +0200 |
| parents | 931386a0b108 |
| children | f1186c292d03 |
| files | mercurial/revlogutils/deltas.py |
| diffstat | 1 files changed, 6 insertions(+), 4 deletions(-) [+] |
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--- a/mercurial/revlogutils/deltas.py Tue Sep 04 21:05:21 2018 +0200 +++ b/mercurial/revlogutils/deltas.py Tue Sep 04 21:28:28 2018 +0200 @@ -621,10 +621,12 @@ curr = len(revlog) prev = curr - 1 - # 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``. + # First we try to reuse a the delta contained in the bundle. + # (or from the source revlog) + # + # This logic only applies to general delta repositories and can be disabled + # through configuration. Disabling reuse of source delta is useful when + # we want to make sure we recomputed "optimal" deltas. if cachedelta and gdelta and revlog._lazydeltabase: # Assume what we received from the server is a good choice # build delta will reuse the cache