obshistory: display a message when one marker node has no change ctx
When exchanging obs markers, there is some change contexts
referencing change contexts that are not available locally.
As we cannot display informations about them, instead print a
message saying so.
====================================Testingheadcheckingcode:CaseB-6====================================Mercurialchecksfortheintroductionofnewheadsonpush.Evolutioncomesintoplaytodetectifexistingbranchesontheserverarebeingreplacedbysomeofthenewonewepush.Thiscaseispartofaseriesoftestscheckingthisbehavior.CategoryB:simplecaseinvolvingprunedchangesetsTestCase6:singlechangesets,prunedthensuperseeded(onanewchangeset)..old-state:....*1changesetbranch....new-state:....*oldbranchisrewrittenontoanotherone,..*thenewversionisthenpruned.....expected-result:....*pushallowed....graph-summary:....Aø⇠⊗A'.. | |.. | ◔ B.. |/.. ● $ . $TESTDIR/testlib/push-checkheads-util.shTest setup---------- $ mkdir B6 $ cd B6 $ 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 B0 created new head $ mkcommit A1 $ hg up 'desc(B0)' 0 files updated, 0 files merged, 1 files removed, 0 files unresolved $ hg debugobsolete `getid "desc(A0)"` `getid "desc(A1)"` $ hg debugobsolete --record-parents `getid "desc(A1)"` $ hg log -G --hidden x ba93660aff8d (draft): A1 | @ 74ff5441d343 (draft): B0 | | x 8aaa48160adc (draft): A0 |/ o 1e4be0697311 (public): rootActual testing-------------- $ hg push pushing to $TESTTMP/B6/server (glob) searching for changes adding changesets adding manifests adding file changes added 1 changesets with 1 changes to 1 files (+1 heads) 2 new obsolescence markers $ cd ../..