tests/test-revlog-v2.t
author Pierre-Yves David <pierre-yves.david@octobus.net>
Tue, 08 Jun 2021 02:34:59 +0200
changeset 47449 da3fb8c10caa
parent 47389 e6292eb33384
child 47450 9cecc222c536
permissions -rw-r--r--
revlogv2: also test that local clone works This is now the case so lets add a test. Differential Revision: https://phab.mercurial-scm.org/D10857
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#require reporevlogstore
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A repo with unknown revlogv2 requirement string cannot be opened
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  $ hg init invalidreq
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  $ cd invalidreq
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  $ echo exp-revlogv2.unknown >> .hg/requires
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  $ hg log
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  abort: repository requires features unknown to this Mercurial: exp-revlogv2.unknown
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  (see https://mercurial-scm.org/wiki/MissingRequirement for more information)
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  [255]
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  $ cd ..
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Can create and open repo with revlog v2 requirement
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  $ cat >> $HGRCPATH << EOF
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  > [experimental]
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  > revlogv2 = enable-unstable-format-and-corrupt-my-data
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  > EOF
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  $ hg init new-repo
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  $ cd new-repo
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  $ cat .hg/requires
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  dotencode
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  exp-dirstate-v2 (dirstate-v2 !)
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  exp-revlogv2.2
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  fncache
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  generaldelta
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  persistent-nodemap (rust !)
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  revlog-compression-zstd (zstd !)
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  sparserevlog
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  store
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  $ hg log
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Unknown flags to revlog are rejected
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  >>> with open('.hg/store/00changelog.i', 'wb') as fh:
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  ...     fh.write(b'\xff\x00\xde\xad') and None
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  $ hg log
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  abort: unknown flags (0xff00) in version 57005 revlog 00changelog
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  [50]
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  $ cd ..
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Writing a simple revlog v2 works
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  $ hg init simple
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  $ cd simple
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  $ touch foo
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  $ hg -q commit -A -m initial
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  $ hg log
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  changeset:   0:96ee1d7354c4
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  tag:         tip
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  user:        test
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  date:        Thu Jan 01 00:00:00 1970 +0000
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  summary:     initial
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Header written as expected
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  $ f --hexdump --bytes 4 .hg/store/00changelog.i
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  .hg/store/00changelog.i:
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  0000: 00 00 de ad                                     |....|
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  $ f --hexdump --bytes 4 .hg/store/data/foo.i
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  .hg/store/data/foo.i:
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  0000: 00 00 de ad                                     |....|
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Bundle use a compatible changegroup format
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------------------------------------------
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  $ hg bundle --all ../basic.hg
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  1 changesets found
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  $ hg debugbundle --spec ../basic.hg
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  bzip2-v2
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The expected files are generated
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--------------------------------
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We should have have:
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- a docket
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- a index file with a unique name
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- a data file
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  $ ls .hg/store/00changelog* .hg/store/00manifest*
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  .hg/store/00changelog-1335303a.sda
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  .hg/store/00changelog-6b8ab34b.idx
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  .hg/store/00changelog-b875dfc5.dat
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  .hg/store/00changelog.i
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  .hg/store/00manifest-05a21d65.idx
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  .hg/store/00manifest-43c37dde.dat
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  .hg/store/00manifest-e2c9362a.sda
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  .hg/store/00manifest.i
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Local clone works
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-----------------
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  $ hg clone . ../cloned-repo
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  updating to branch default
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  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
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  $ hg tip | tee ../tip-new
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  changeset:   0:96ee1d7354c4
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  tag:         tip
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  user:        test
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  date:        Thu Jan 01 00:00:00 1970 +0000
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  summary:     initial
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  $ hg tip -R ../cloned-repo | tee ../tip-cloned
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  tag:         tip
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  user:        test
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  date:        Thu Jan 01 00:00:00 1970 +0000
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  summary:     initial
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The two repository should be identical, this diff MUST be empty
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  $ cmp ../tip-new ../tip-cloned || diff -U8 ../tip-new ../tip-cloned