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=========================================
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Testing single head enforcement: Case A-5
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=========================================
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A repository is set to only accept a single head per name (typically named
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branch). However, obsolete changesets can make this enforcement more
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complicated, because they can be kept visible by other changeset on other
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branch.
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This case is part of a series of tests checking this behavior.
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Category A: Involving obsolescence
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TestCase 5: Obsoleting a merge reveals two heads
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.. old-state:
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..
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.. * 3 changesets on branch default (2 on their own branch + 1 merge)
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.. * 1 changeset on branch Z (children of the merge)
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..
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.. new-state:
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..
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.. * 2 changesets on branch default (merge is obsolete) each a head
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.. * 1 changeset on branch Z keeping the merge visible
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..
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.. expected-result:
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..
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.. * 2 heads detected (because we skip the merge)
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..
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.. graph-summary:
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..
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.. C ● (branch Z)
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.. |
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.. M ⊗
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.. |\
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.. A ● ● B
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.. |/
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.. ●
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$ . $TESTDIR/testlib/push-checkheads-util.sh
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$ cat >> $HGRCPATH << EOF
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> [command-templates]
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> log = "{node|short} [{branch}] ({phase}): {desc}\n"
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> EOF
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Test setup
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----------
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$ mkdir A5
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$ cd A5
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$ setuprepos single-head
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creating basic server and client repo
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updating to branch default
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2 files updated, 0 files merged, 0 files removed, 0 files unresolved
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$ cd client
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$ hg up 0
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0 files updated, 0 files merged, 1 files removed, 0 files unresolved
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$ mkcommit B0
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created new head
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$ hg merge
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1 files updated, 0 files merged, 0 files removed, 0 files unresolved
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(branch merge, don't forget to commit)
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$ hg ci -m 'M0'
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$ hg branch Z
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marked working directory as branch Z
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(branches are permanent and global, did you want a bookmark?)
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$ mkcommit C0
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$ hg push --new-branch
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pushing to $TESTTMP/A5/server
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searching for changes
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adding changesets
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adding manifests
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adding file changes
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added 3 changesets with 2 changes to 2 files
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$ hg debugobsolete `getid "desc(M0)"` --record-parents
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1 new obsolescence markers
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obsoleted 1 changesets
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1 new orphan changesets
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$ hg heads
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61c95483cc12 [Z] (draft): C0
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74ff5441d343 [default] (draft): B0
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8aaa48160adc [default] (draft): A0
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$ hg log -G --hidden
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@ 61c95483cc12 [Z] (draft): C0
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x 14d3d4d41d1a [default] (draft): M0
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| o 74ff5441d343 [default] (draft): B0
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| |
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o | 8aaa48160adc [default] (draft): A0
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|/
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o 1e4be0697311 [default] (public): root
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Actual testing
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--------------
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(force push to make sure we get the changeset on the remote)
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$ hg push -r 'desc("C0")' --force
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pushing to $TESTTMP/A5/server
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searching for changes
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no changes found
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transaction abort!
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rollback completed
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abort: rejecting multiple heads on branch "default"
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(2 heads: 8aaa48160adc 74ff5441d343)
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[255]
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