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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 empty-repo
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$ cd empty-repo
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$ cat .hg/requires
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|
dotencode
|
|
|
exp-dirstate-v2 (dirstate-v2 !)
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|
exp-revlogv2.2
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|
fncache
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|
generaldelta
|
|
|
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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|
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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 ..
|
|
|
|
|
|
Writing a simple revlog v2 works
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|
|
|
|
$ hg init simple
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|
|
$ cd simple
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|
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$ touch foo
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|
|
$ hg -q commit -A -m initial
|
|
|
|
|
|
$ hg log
|
|
|
changeset: 0:96ee1d7354c4
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|
|
tag: tip
|
|
|
user: test
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|
|
date: Thu Jan 01 00:00:00 1970 +0000
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|
|
summary: initial
|
|
|
|
|
|
|
|
|
Header written as expected
|
|
|
|
|
|
$ f --hexdump --bytes 4 .hg/store/00changelog.i
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|
|
.hg/store/00changelog.i:
|
|
|
0000: 00 00 de ad |....|
|
|
|
|
|
|
$ f --hexdump --bytes 4 .hg/store/data/foo.i
|
|
|
.hg/store/data/foo.i:
|
|
|
0000: 00 00 de ad |....|
|
|
|
|
|
|
Bundle use a compatible changegroup format
|
|
|
------------------------------------------
|
|
|
|
|
|
$ hg bundle --all ../basic.hg
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|
|
1 changesets found
|
|
|
$ hg debugbundle --spec ../basic.hg
|
|
|
bzip2-v2
|
|
|
|
|
|
The expected files are generated
|
|
|
--------------------------------
|
|
|
|
|
|
We should have have:
|
|
|
- a docket
|
|
|
- a index file with a unique name
|
|
|
- a data file
|
|
|
|
|
|
$ ls .hg/store/00changelog* .hg/store/00manifest*
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|
|
.hg/store/00changelog-1335303a.sda
|
|
|
.hg/store/00changelog-6b8ab34b.idx
|
|
|
.hg/store/00changelog-b875dfc5.dat
|
|
|
.hg/store/00changelog.i
|
|
|
.hg/store/00manifest-05a21d65.idx
|
|
|
.hg/store/00manifest-43c37dde.dat
|
|
|
.hg/store/00manifest-e2c9362a.sda
|
|
|
.hg/store/00manifest.i
|
|
|
|
