stablebranch: avoid overlap between subrange
Subrange overlap make things more complicated and less efficient. We fix the
computation done in the "cached" version of the stablerange cache. This bring
things in line with the result produced by the basic version.
Since we already bumped the format version since the last release, I don't
things we need to do anything else.
====================================Testingheadcheckingcode:CaseA-1====================================Mercurialchecksfortheintroductionofnewheadsonpush.Evolutioncomesintoplaytodetectifexistingbranchesontheserverarebeingreplacedbysomeofthenewonewepush.Thiscaseispartofaseriesoftestscheckingthisbehavior.CategoryA:simplecaseinvolvingabranchbeingsuperceededbyanother.TestCase1:single-changesetbranch..old-state:....*1changesetbranch....new-state:....*1changesetbranchsucceedingtoA....expected-result:....*pushallowed....graph-summary:....Aø⇠◔A'.. |/.. ● $ . $TESTDIR/testlib/push-checkheads-util.shTest setup---------- $ mkdir A1 $ cd A1 $ setuprepos creating basic server and client repo updating to branch default 2 files updated, 0 files merged, 0 files removed, 0 files unresolved $ cd client $ hg up 0 0 files updated, 0 files merged, 1 files removed, 0 files unresolved $ mkcommit A1 created new head $ hg debugobsolete `getid "desc(A0)" ` `getid "desc(A1)"` obsoleted 1 changesets $ hg log -G --hidden @ f6082bc4ffef (draft): A1 | | x 8aaa48160adc (draft): A0 |/ o 1e4be0697311 (public): rootActual testing-------------- $ hg push pushing to $TESTTMP/A1/server (glob) searching for changes adding changesets adding manifests adding file changes added 1 changesets with 1 changes to 1 files (+1 heads) 1 new obsolescence markers obsoleted 1 changesets $ cd ../..