tests/test-empty.t
author Mads Kiilerich <madski@unity3d.com>
Fri, 06 Feb 2015 02:52:10 +0100
branchstable
changeset 24159 5b4ed033390b
parent 19929 ab2362e1672e
child 39489 f1186c292d03
permissions -rw-r--r--
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.
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Create an empty repo:
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  $ hg init a
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  $ cd a
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Try some commands:
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  $ hg log
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  $ hg grep wah
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  [1]
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  $ hg manifest
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  $ hg verify
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  checking changesets
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  checking manifests
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  crosschecking files in changesets and manifests
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  checking files
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  0 files, 0 changesets, 0 total revisions
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Check the basic files created:
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  $ ls .hg
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  00changelog.i
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  requires
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  store
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Should be empty:
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  $ ls .hg/store
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Poke at a clone:
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  $ cd ..
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  $ hg clone a b
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  updating to branch default
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  0 files updated, 0 files merged, 0 files removed, 0 files unresolved
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  $ cd b
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  $ hg verify
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  checking changesets
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  checking manifests
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  crosschecking files in changesets and manifests
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  checking files
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  0 files, 0 changesets, 0 total revisions
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  $ ls .hg
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  00changelog.i
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  hgrc
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  requires
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  store
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Should be empty:
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  $ ls .hg/store
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  $ cd ..