Mercurial > hg
view tests/test-revlog-v2.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 | 2f2682f40ea0 |
children |
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#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