tests/test-dirstate-version-fallback.t
author Raphaël Gomès <rgomes@octobus.net>
Mon, 04 Nov 2024 15:23:41 +0100
changeset 52311 f7b2806035a7
parent 50725 7e5be4a7cda7
permissions -rw-r--r--
rust: update `clap` to the latest 4.x version This brings in more up-to-date dependencies, some bug fixes (none of which are relevant yet), and slightly improved compile times.
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  $ cat >> $HGRCPATH << EOF
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  > [storage]
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  > dirstate-v2.slow-path=allow
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  > [format]
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  > use-dirstate-v2=no
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  > EOF
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Set up a v1 repo
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  $ hg init repo
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  $ cd repo
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  $ echo a > a
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  $ touch file-with-somewhat-long-name-to-make-dirstate-v1-bigger-than-v2
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  $ hg commit -Aqm a
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  $ hg debugrequires | grep dirstate
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  [1]
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  $ ls -1 .hg/dirstate*
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  .hg/dirstate
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Copy v1 dirstate
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  $ cp .hg/dirstate $TESTTMP/dirstate-v1-backup
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Upgrade it to v2
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  $ hg debugupgraderepo -q --config format.use-dirstate-v2=1 --run | grep -E 'added:|removed:'
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     added: dirstate-v2
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  $ hg debugrequires | grep dirstate
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  dirstate-v2
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  $ ls -1 .hg/dirstate*
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  .hg/dirstate
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  .hg/dirstate.* (glob)
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Manually reset to dirstate v1 to simulate an incomplete dirstate-v2 upgrade
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  $ rm .hg/dirstate*
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  $ cp $TESTTMP/dirstate-v1-backup .hg/dirstate
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There should be no errors, but a v2 dirstate should be written back to disk
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  $ hg st
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  $ ls -1 .hg/dirstate*
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  .hg/dirstate
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  .hg/dirstate.* (glob)
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Corrupt the dirstate to see how the errors show up to the user
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  $ echo "I ate your data" > .hg/dirstate
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  $ hg st
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  abort: working directory state appears damaged! (no-rhg !)
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  (falling back to dirstate-v1 from v2 also failed) (no-rhg !)
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  abort: Too little data for dirstate: 16 bytes. (rhg !)
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  [255]