========================================= Testing single head enforcement: Case A-2 ========================================= A repository is set to only accept a single head per name (typically named branch). However, obsolete changesets can make this enforcement more complicated, because they can be kept visible by other changeset on other branch. This case is part of a series of tests checking this behavior. Category A: Involving obsolescence TestCase 2: A branch is split in two, effectively creating two heads .. old-state: .. .. * 2 changesets on branch default .. * 2 changesets on branch Z on top of them .. .. new-state: .. .. * 2 changesets on branch Z at the same location .. * 1 changeset on branch default unchanged .. * 1 changeset on branch default superseding the other ones .. .. expected-result: .. .. * two heads detected .. .. graph-summary: .. .. D ● (branch Z) .. | .. C ● (branch Z) .. | .. B ø⇠◔ B' .. | | .. A ● | .. |/ .. ● $ . $TESTDIR/testlib/push-checkheads-util.sh $ cat >> $HGRCPATH << EOF > [command-templates] > log = "{node|short} [{branch}] ({phase}): {desc}\n" > EOF Test setup ---------- $ mkdir A2 $ cd A2 $ setuprepos single-head creating basic server and client repo updating to branch default 2 files updated, 0 files merged, 0 files removed, 0 files unresolved $ cd client $ mkcommit B0 $ hg branch Z marked working directory as branch Z (branches are permanent and global, did you want a bookmark?) $ mkcommit C0 $ mkcommit D0 $ hg push --new-branch pushing to $TESTTMP/A2/server searching for changes adding changesets adding manifests adding file changes added 3 changesets with 3 changes to 3 files $ hg up 0 0 files updated, 0 files merged, 4 files removed, 0 files unresolved $ mkcommit B1 created new head $ hg debugobsolete `getid "desc(B0)"` `getid "desc(B1)"` 1 new obsolescence markers obsoleted 1 changesets 2 new orphan changesets $ hg heads 25c56d33e4c4 [default] (draft): B1 cdf1dbb37a67 [Z] (draft): D0 8aaa48160adc [default] (draft): A0 $ hg log -G --hidden @ 25c56d33e4c4 [default] (draft): B1 | | * cdf1dbb37a67 [Z] (draft): D0 | | | * 3213e3e16c67 [Z] (draft): C0 | | | x d73caddc5533 [default] (draft): B0 | | | o 8aaa48160adc [default] (draft): A0 |/ o 1e4be0697311 [default] (public): root Actual testing -------------- (force push to make sure we get the changeset on the remote) $ hg push -r 'desc("B1")' --force pushing to $TESTTMP/A2/server searching for changes adding changesets adding manifests adding file changes transaction abort! rollback completed abort: rejecting multiple heads on branch "default" (2 heads: 8aaa48160adc 25c56d33e4c4) [255]