Mercurial > hg
view tests/test-dirstate-version-fallback.t @ 50706:0452af304808
stream-clone: add a v3 version of the protocol
This new version is less rigid regarding the extract number of files and number
of bytes to be actually transfered, it also lays the groundwork for other
improvements.
The format stays experimental, but this is an interesting base to build upon.
author | Arseniy Alekseyev <aalekseyev@janestreet.com> |
---|---|
date | Thu, 01 Jun 2023 17:39:22 +0100 |
parents | a41eeb877d07 |
children | bfbd84c57bda |
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$ cat >> $HGRCPATH << EOF > [storage] > dirstate-v2.slow-path=allow > [format] > use-dirstate-v2=no > EOF Set up a v1 repo $ hg init repo $ cd repo $ echo a > a $ hg add a $ hg commit -m a $ hg debugrequires | grep dirstate [1] $ ls -1 .hg/dirstate* .hg/dirstate Copy v1 dirstate $ cp .hg/dirstate $TESTTMP/dirstate-v1-backup Upgrade it to v2 $ hg debugupgraderepo -q --config format.use-dirstate-v2=1 --run | egrep 'added:|removed:' added: dirstate-v2 $ hg debugrequires | grep dirstate dirstate-v2 $ ls -1 .hg/dirstate* .hg/dirstate .hg/dirstate.* (glob) Manually reset to dirstate v1 to simulate an incomplete dirstate-v2 upgrade $ rm .hg/dirstate* $ cp $TESTTMP/dirstate-v1-backup .hg/dirstate There should be no errors, but a v2 dirstate should be written back to disk $ hg st $ ls -1 .hg/dirstate* .hg/dirstate .hg/dirstate.* (glob) Corrupt the dirstate to see how the errors show up to the user $ echo "I ate your data" > .hg/dirstate $ hg st abort: working directory state appears damaged! (no-rhg !) (falling back to dirstate-v1 from v2 also failed) (no-rhg !) abort: Too little data for dirstate: 16 bytes. (rhg !) [255]