tests/test-persistent-nodemap.t
author Pierre-Yves David <pierre-yves.david@octobus.net>
Wed, 15 Jan 2020 15:47:59 +0100
changeset 44312 563dfdfd01a4
parent 44311 2b72c4ff8ed1
child 44313 6f9e8e142cea
permissions -rw-r--r--
nodemap: delete older raw data file when creating a new ones When we write new full files, it replace an older one with a different name. We add the associated cleanup for the older file to be removed after the transaction. We delete all file matching the expected pattern to give use extra chance to delete orphan files we might have failed to delete earlier. Note: eventually we won't rewrite all data for each transaction. This is coming in later changesets. Differential Revision: https://phab.mercurial-scm.org/D7839
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Test the persistent on-disk nodemap
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  $ hg init test-repo
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  $ cd test-repo
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  $ cat << EOF >> .hg/hgrc
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  > [experimental]
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  > exp-persistent-nodemap=yes
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  > EOF
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  $ hg debugbuilddag .+5000
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  $ f --size .hg/store/00changelog.n
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  .hg/store/00changelog.n: size=18
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  $ f --sha256 .hg/store/00changelog-*.nd
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  .hg/store/00changelog-????????????????.nd: sha256=b961925120e1c9bc345c199b2cc442abc477029fdece37ef9d99cbe59c0558b7 (glob)
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  $ hg debugnodemap --dump-new | f --sha256 --size
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  size=122880, sha256=b961925120e1c9bc345c199b2cc442abc477029fdece37ef9d99cbe59c0558b7
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  $ hg debugnodemap --dump-disk | f --sha256 --bytes=256 --hexdump --size
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  size=122880, sha256=b961925120e1c9bc345c199b2cc442abc477029fdece37ef9d99cbe59c0558b7
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  0000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
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  0010: ff ff ff ff ff ff ff ff ff ff fa c2 ff ff ff ff |................|
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  0020: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
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  0030: ff ff ff ff ff ff ed b3 ff ff ff ff ff ff ff ff |................|
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  0040: ff ff ff ff ff ff ee 34 00 00 00 00 ff ff ff ff |.......4........|
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  0050: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
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  0060: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
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  0070: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
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  0080: ff ff ff ff ff ff f8 50 ff ff ff ff ff ff ff ff |.......P........|
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  0090: ff ff ff ff ff ff ff ff ff ff ec c7 ff ff ff ff |................|
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  00a0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
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  00b0: ff ff ff ff ff ff fa be ff ff f2 fc ff ff ff ff |................|
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  00c0: ff ff ff ff ff ff ef ea ff ff ff ff ff ff f9 17 |................|
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  00d0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
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  00e0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
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  00f0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
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add a new commit
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  $ hg up
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  0 files updated, 0 files merged, 0 files removed, 0 files unresolved
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  $ echo foo > foo
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  $ hg add foo
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  $ hg ci -m 'foo'
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  $ f --size .hg/store/00changelog.n
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  .hg/store/00changelog.n: size=18
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  $ f --sha256 .hg/store/00changelog-*.nd --size
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  .hg/store/00changelog-????????????????.nd: size=122880, sha256=bfafebd751c4f6d116a76a37a1dee2a251747affe7efbcc4f4842ccc746d4db9 (glob)