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revisionbranchcache: fall back to slow path if starting readonly (issue4531)...
revisionbranchcache: fall back to slow path if starting readonly (issue4531) Transitioning to Mercurial versions with revision branch cache could be slow as long as all operations were readonly (revset queries) and the cache would be populated but not written back. Instead, fall back to using the consistently slow path when readonly and the cache doesn't exist yet. That avoids the overhead of populating the cache without writing it back. If not readonly, it will still populate all missing entries initially. That avoids repeated writing of the cache file with small updates, and it also makes sure a fully populated cache available for the readonly operations.

File last commit:

r20820:f8e531a3 default
r24159:5b4ed033 3.3.1 stable
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test-requires.t
72 lines | 2.2 KiB | text/troff | Tads3Lexer
Martin Geisler
tests: remove redundant mkdir...
r13956 $ hg init t
Nicolas Dumazet
tests: unify test-requires
r12116 $ cd t
$ echo a > a
$ hg add a
Martin Geisler
tests: remove unneeded -d flags...
r12156 $ hg commit -m test
Nicolas Dumazet
tests: unify test-requires
r12116 $ rm .hg/requires
$ hg tip
abort: index 00changelog.i unknown format 2!
Matt Mackall
tests: add exit codes to unified tests
r12316 [255]
Nicolas Dumazet
tests: unify test-requires
r12116 $ echo indoor-pool > .hg/requires
$ hg tip
Mads Kiilerich
repo: rephrase the "missing requirement" error message...
r20820 abort: repository requires features unknown to this Mercurial: indoor-pool!
(see http://mercurial.selenic.com/wiki/MissingRequirement for more information)
Matt Mackall
tests: add exit codes to unified tests
r12316 [255]
Pierre-Yves David
requirements: show all missing features in the error message....
r14746 $ echo outdoor-pool >> .hg/requires
$ hg tip
Mads Kiilerich
repo: rephrase the "missing requirement" error message...
r20820 abort: repository requires features unknown to this Mercurial: indoor-pool outdoor-pool!
(see http://mercurial.selenic.com/wiki/MissingRequirement for more information)
Pierre-Yves David
requirements: show all missing features in the error message....
r14746 [255]
FUJIWARA Katsunori
localrepo: make supported features manageable in each repositories individually...
r19778 $ cd ..
Test checking between features supported locally and ones required in
another repository of push/pull/clone on localhost:
$ mkdir supported-locally
$ cd supported-locally
$ hg init supported
$ echo a > supported/a
$ hg -R supported commit -Am '#0 at supported'
adding a
$ echo 'featuresetup-test' >> supported/.hg/requires
$ cat > $TESTTMP/supported-locally/supportlocally.py <<EOF
> from mercurial import localrepo, extensions
> def featuresetup(ui, supported):
> for name, module in extensions.extensions(ui):
> if __name__ == module.__name__:
> # support specific feature locally
> supported |= set(['featuresetup-test'])
> return
> def uisetup(ui):
> localrepo.localrepository.featuresetupfuncs.add(featuresetup)
> EOF
$ cat > supported/.hg/hgrc <<EOF
> [extensions]
> # enable extension locally
> supportlocally = $TESTTMP/supported-locally/supportlocally.py
> EOF
$ hg -R supported status
$ hg init push-dst
$ hg -R supported push push-dst
pushing to push-dst
abort: required features are not supported in the destination: featuresetup-test
[255]
$ hg init pull-src
$ hg -R pull-src pull supported
pulling from supported
abort: required features are not supported in the destination: featuresetup-test
[255]
$ hg clone supported clone-dst
Mads Kiilerich
repo: rephrase the "missing requirement" error message...
r20820 abort: repository requires features unknown to this Mercurial: featuresetup-test!
(see http://mercurial.selenic.com/wiki/MissingRequirement for more information)
FUJIWARA Katsunori
localrepo: make supported features manageable in each repositories individually...
r19778 [255]
$ hg clone --pull supported clone-dst
abort: required features are not supported in the destination: featuresetup-test
[255]
Mads Kiilerich
tests: add missing trailing 'cd ..'...
r16913
$ cd ..