[PATCH 2 of 4] revlog: refactor out the rev-oriented part of commonancestorheads
Sean Farley
sean at farley.io
Mon Jul 2 14:49:51 EDT 2018
Yuya Nishihara <yuya at tcha.org> writes:
> On Sun, 01 Jul 2018 08:38:40 +0200, Paul Morelle wrote:
>> # HG changeset patch
>> # User Boris Feld <boris.feld at octobus.net>
>> # Date 1529621811 -3600
>> # Thu Jun 21 23:56:51 2018 +0100
>> # Node ID 494f5f95311e3b36a01cca745e52f536c3977a5c
>> # Parent c6a8430582d584770c873a3b6234750482b9b65e
>> # EXP-Topic descendant
>> # Available At https://bitbucket.org/octobus/mercurial-devel/
>> # hg pull https://bitbucket.org/octobus/mercurial-devel/ -r 494f5f95311e
>> revlog: refactor out the rev-oriented part of commonancestorheads
>>
>> We plan to use this in a function taking revs as argument. Round trips to nodes
>> seem silly.
>>
>> diff -r c6a8430582d5 -r 494f5f95311e mercurial/revlog.py
>> --- a/mercurial/revlog.py Thu Jun 21 23:53:43 2018 +0100
>> +++ b/mercurial/revlog.py Thu Jun 21 23:56:51 2018 +0100
>> @@ -1390,11 +1390,16 @@
>> def commonancestorsheads(self, a, b):
>> """calculate all the heads of the common ancestors of nodes a and b"""
>> a, b = self.rev(a), self.rev(b)
>> + ancs = self._commonancestorsheads(a, b)
>> + return pycompat.maplist(self.node, ancs)
>> +
>> + def _commonancestorsheads(self, *revs):
>> + """calculate all the heads of the common ancestors of revs"""
>> try:
>> - ancs = self.index.commonancestorsheads(a, b)
>> + ancs = self.index.commonancestorsheads(*revs)
>> except (AttributeError, OverflowError): # C implementation failed
>> - ancs = ancestor.commonancestorsheads(self.parentrevs, a, b)
>> - return pycompat.maplist(self.node, ancs)
>> + ancs = ancestor.commonancestorsheads(self.parentrevs, *revs)
>> + return ancs
>
> Sean, maybe we can use this function to implement _commonancestorsheads()
> revset.
Ah, yes, that's possible now; great!
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