tests/test-push-checkheads-unpushed-D6.t
author Pulkit Goyal <7895pulkit@gmail.com>
Mon, 22 Jan 2018 14:10:59 +0530
branchstable
changeset 3452 8275ef099135
parent 2754 21f06d932231
child 2798 2280461343e5
child 4840 62b60fc1983d
permissions -rw-r--r--
amend: query the wdir parent after taking lock (issue5266) If we query wdir parent without taking a lock, that can lead to bugs because the wdir parent can change is another process has changed the wdir parent. One such example of this was issue 5266. When a user is running amend and that amend is waiting for commit message, the user runs another amend which waits for lock. The second amend is waiting for lock, but has already read the description from the parent of working directory to use. Once the first amend completes the wdir parent changes but we still have the description from an old wdir parent. This patch fixes the bug by querying the description after taking lock. Attempts were made to add test for this but the results were unstable because they depend on time in which lock is released.
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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====================================
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Testing head checking code: Case D-6
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====================================
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Mercurial checks for the introduction of new heads on push. Evolution comes
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into play to detect if existing branches on the server are being replaced by
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some of the new one we push.
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This case is part of a series of tests checking this behavior.
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Category D: remote head is "obs-affected" locally, but result is not part of the push
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TestCase 6: single changeset, superseeded then pruned (on a new changeset unpushed) changeset
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This is a partial push variation of case B-6
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.. old-state:
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..
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.. * 1 changeset branch
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..
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.. new-state:
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..
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.. * old branch is rewritten onto another one,
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.. * the new version is then pruned.
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..
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.. expected-result:
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..
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.. * push denied
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..
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.. graph-summary:
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..
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..   A ø⇠⊗ A'
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..     | |
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.. C ◔ | ○ B
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..    \|/
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..     ●
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  $ . $TESTDIR/testlib/push-checkheads-util.sh
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Test setup
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----------
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  $ mkdir D6
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  $ cd D6
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  $ setuprepos
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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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  $ mkcommit A1
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  $ hg up '0'
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  0 files updated, 0 files merged, 2 files removed, 0 files unresolved
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  $ mkcommit C0
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  created new head
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  $ hg debugobsolete `getid "desc(A0)"` `getid "desc(A1)"`
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  obsoleted 1 changesets
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  $ hg debugobsolete --record-parents `getid "desc(A1)"`
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  obsoleted 1 changesets
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  $ hg log -G --hidden
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  @  0f88766e02d6 (draft): C0
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  |
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  | x  ba93660aff8d (draft): A1
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  | |
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  | o  74ff5441d343 (draft): B0
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  |/
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  | x  8aaa48160adc (draft): A0
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  |/
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  o  1e4be0697311 (public): root
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Actual testing
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--------------
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  $ hg push --rev 'desc(C0)'
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  pushing to $TESTTMP/D6/server (glob)
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  searching for changes
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  abort: push creates new remote head 0f88766e02d6!
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  (merge or see 'hg help push' for details about pushing new heads)
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  [255]
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  $ cd ../..