revlog: use a `reading` context in `_enforceinlinesize`
We are about to enforce reading context on various operation, so we make sure
top level method are in the right context.
In the future we might move the responsibility of opening the revlog for reading
higher in the call chain but lets limit the disruption for now.
#require reporevlogstore
A repo with unknown revlogv2 requirement string cannot be opened
$ hg init invalidreq
$ cd invalidreq
$ echo exp-revlogv2.unknown >> .hg/requires
$ hg log
abort: repository requires features unknown to this Mercurial: exp-revlogv2.unknown
(see https://mercurial-scm.org/wiki/MissingRequirement for more information)
[255]
$ cd ..
Can create and open repo with revlog v2 requirement
$ cat >> $HGRCPATH << EOF
> [experimental]
> revlogv2 = enable-unstable-format-and-corrupt-my-data
> EOF
$ hg init new-repo
$ cd new-repo
$ hg debugrequires | grep revlogv2
exp-revlogv2.2
dirstate-v2 (dirstate-v2 !)
$ hg log
Unknown flags to revlog are rejected
>>> with open('.hg/store/00changelog.i', 'wb') as fh:
... fh.write(b'\xff\x00\xde\xad') and None
$ hg log
abort: unknown flags (0xff00) in version 57005 revlog 00changelog
[50]
$ cd ..
Writing a simple revlog v2 works
$ hg init simple
$ cd simple
$ touch foo
$ hg -q commit -A -m initial
$ hg log
changeset: 0:96ee1d7354c4
tag: tip
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: initial
Header written as expected
$ f --hexdump --bytes 4 .hg/store/00changelog.i
.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
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*
.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
Local clone works
-----------------
$ hg clone . ../cloned-repo
updating to branch default
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg tip | tee ../tip-new
changeset: 0:96ee1d7354c4
tag: tip
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: initial
$ hg tip -R ../cloned-repo | tee ../tip-cloned
changeset: 0:96ee1d7354c4
tag: tip
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: initial
The two repository should be identical, this diff MUST be empty
$ cmp ../tip-new ../tip-cloned || diff -U8 ../tip-new ../tip-cloned
hg verify should be happy
-------------------------
$ hg verify -q
$ hg verify -R ../cloned-repo -q