Mercurial > hg
view tests/test-rebase-backup.t @ 42943:5fadf6103790
remotefilelog: replace repack lock to solve race condition
2c74337e6483 reduced the probability of race-conditions when starting
background repack and prefetch and we saw the difference in our CI instance
with all failures disappearing except one where one call to waitonrepack seems
to returns too early.
I'm not sure what exactly goes wrong but I realized that while the prefetch
operation uses a standard Mercurial lock, the repack operation is using a
custom lock based on `fcntl.flock` on available platforms. As `extutil.flock`
fallback on traditional Mercurial locks on other platforms and the tests are
stable on my laptop, our CI environment and GCC112, I'm sending this patch to
standardize the behavior across environments.
Differential Revision: https://phab.mercurial-scm.org/D6844
author | Boris Feld <boris.feld@octobus.net> |
---|---|
date | Wed, 11 Sep 2019 17:41:13 +0200 |
parents | 6acbe86c6490 |
children | dc5e5577af39 |
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$ cat << EOF >> $HGRCPATH > [extensions] > rebase= > EOF ================================== Test backup-bundle config option | ================================== Test with Pre-obsmarker rebase: 1) When config option is not set: $ hg init repo1 $ cd repo1 $ echo a>a $ hg ci -qAma $ echo b>b $ hg ci -qAmb $ echo c>c $ hg ci -qAmc $ hg up 0 -q $ echo d>d $ hg ci -qAmd $ echo e>e $ hg ci -qAme $ hg log -GT "{rev}: {firstline(desc)}\n" @ 4: e | o 3: d | | o 2: c | | | o 1: b |/ o 0: a $ hg rebase -s 1 -d . rebasing 1:d2ae7f538514 "b" rebasing 2:177f92b77385 "c" saved backup bundle to $TESTTMP/repo1/.hg/strip-backup/d2ae7f538514-c7ed7a78-rebase.hg $ hg log -GT "{rev}: {firstline(desc)}\n" o 4: c | o 3: b | @ 2: e | o 1: d | o 0: a 2) When config option is set: $ cat << EOF >> $HGRCPATH > [rewrite] > backup-bundle = False > EOF $ echo f>f $ hg ci -Aqmf $ echo g>g $ hg ci -Aqmg $ hg log -GT "{rev}: {firstline(desc)}\n" @ 6: g | o 5: f | | o 4: c | | | o 3: b |/ o 2: e | o 1: d | o 0: a $ hg rebase -s 3 -d . rebasing 3:05bff2a95b12 "b" rebasing 4:1762bde4404d "c" $ hg log -GT "{rev}: {firstline(desc)}\n" o 6: c | o 5: b | @ 4: g | o 3: f | o 2: e | o 1: d | o 0: a Test when rebased revisions are stripped during abort: ====================================================== $ echo conflict > c $ hg ci -Am "conflict with c" adding c created new head $ hg log -GT "{rev}: {firstline(desc)}\n" @ 7: conflict with c | | o 6: c | | | o 5: b |/ o 4: g | o 3: f | o 2: e | o 1: d | o 0: a When backup-bundle = True: $ cat << EOF >> $HGRCPATH > [rewrite] > backup-bundle = True > EOF $ hg rebase -s 5 -d . rebasing 5:1f8148a544ee "b" rebasing 6:f8bc7d28e573 "c" merging c warning: conflicts while merging c! (edit, then use 'hg resolve --mark') unresolved conflicts (see hg resolve, then hg rebase --continue) [1] $ hg rebase --abort saved backup bundle to $TESTTMP/repo1/.hg/strip-backup/818c1a43c916-2b644d96-backup.hg rebase aborted When backup-bundle = False: $ cat << EOF >> $HGRCPATH > [rewrite] > backup-bundle = False > EOF $ hg rebase -s 5 -d . rebasing 5:1f8148a544ee "b" rebasing 6:f8bc7d28e573 "c" merging c warning: conflicts while merging c! (edit, then use 'hg resolve --mark') unresolved conflicts (see hg resolve, then hg rebase --continue) [1] $ hg rebase --abort rebase aborted $ cd ..