tests/test-single-head-obsolescence-named-branch-A5.t
author Raphaël Gomès <rgomes@octobus.net>
Mon, 30 Sep 2024 17:45:10 +0200
changeset 52034 b55f653a0b34
parent 48688 053a5bf508da
permissions -rw-r--r--
rust-utils: move the `filesystem_now` function to a util This is going to be useful for an upcoming `hg update` fastpath.
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 * 2 changesets on branch default (merge is obsolete) each a head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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  |
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  x    14d3d4d41d1a [default] (draft): M0
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  |\
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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]