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exchange: move disabling of rev-branch-cache bundle part out of narrow...
exchange: move disabling of rev-branch-cache bundle part out of narrow I'm attempting to refactor changegroup code in order to better support alternate storage backends. The narrow extension is performing a lot of monkeypatching to this code and it is making it difficult to reason about how everything works. I'm reasonably certain I would be unable to abstract storage without requiring extensive rework of narrow. I believe it is less effort to move narrow code into core so it can be accounted for when changegroup code is refactored. So I'll be doing that. The first part of this is integrating the disabling of the cache:rev-branch-cache bundle2 part into core. This doesn't seem like it is related to changegroup, but narrow's modifications to changegroup are invasive and also require taking its code for bundle generation and exchange into core in order for the changegroup code to work. Differential Revision: https://phab.mercurial-scm.org/D4007
Joerg Sonnenberger - - Load All Authors

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test-pull-bundle.t
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#require no-chg
$ hg init repo
$ cd repo
$ echo foo > foo
$ hg ci -qAm 'add foo'
$ echo >> foo
$ hg ci -m 'change foo'
$ hg up -qC 0
$ echo bar > bar
$ hg ci -qAm 'add bar'
$ hg log
changeset: 2:effea6de0384
tag: tip
parent: 0:bbd179dfa0a7
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: add bar
changeset: 1:ed1b79f46b9a
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: change foo
changeset: 0:bbd179dfa0a7
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: add foo
$ cd ..
Test pullbundle functionality
$ cd repo
$ cat <<EOF > .hg/hgrc
> [server]
> pullbundle = True
> [extensions]
> blackbox =
> EOF
$ hg bundle --base null -r 0 .hg/0.hg
1 changesets found
$ hg bundle --base 0 -r 1 .hg/1.hg
1 changesets found
$ hg bundle --base 1 -r 2 .hg/2.hg
1 changesets found
$ cat <<EOF > .hg/pullbundles.manifest
> 2.hg BUNDLESPEC=none-v2 heads=effea6de0384e684f44435651cb7bd70b8735bd4 bases=bbd179dfa0a71671c253b3ae0aa1513b60d199fa
> 1.hg BUNDLESPEC=bzip2-v2 heads=ed1b79f46b9a29f5a6efa59cf12fcfca43bead5a bases=bbd179dfa0a71671c253b3ae0aa1513b60d199fa
> 0.hg BUNDLESPEC=gzip-v2 heads=bbd179dfa0a71671c253b3ae0aa1513b60d199fa
> EOF
$ hg --config blackbox.track=debug --debug serve -p $HGPORT2 -d --pid-file=../repo.pid
listening at http://*:$HGPORT2/ (bound to $LOCALIP:$HGPORT2) (glob) (?)
$ cat ../repo.pid >> $DAEMON_PIDS
$ cd ..
$ hg clone -r 0 http://localhost:$HGPORT2/ repo.pullbundle
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files
new changesets bbd179dfa0a7
updating to branch default
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ cd repo.pullbundle
$ hg pull -r 1
pulling from http://localhost:$HGPORT2/
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files
new changesets ed1b79f46b9a
(run 'hg update' to get a working copy)
$ hg pull -r 2
pulling from http://localhost:$HGPORT2/
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files (+1 heads)
new changesets effea6de0384
(run 'hg heads' to see heads, 'hg merge' to merge)
$ cd ..
$ killdaemons.py
$ grep 'sending pullbundle ' repo/.hg/blackbox.log
* sending pullbundle "0.hg" (glob)
* sending pullbundle "1.hg" (glob)
* sending pullbundle "2.hg" (glob)
$ rm repo/.hg/blackbox.log
Test pullbundle functionality for incremental pulls
$ cd repo
$ hg --config blackbox.track=debug --debug serve -p $HGPORT2 -d --pid-file=../repo.pid
listening at http://*:$HGPORT2/ (bound to $LOCALIP:$HGPORT2) (glob) (?)
$ cat ../repo.pid >> $DAEMON_PIDS
$ cd ..
$ hg clone http://localhost:$HGPORT2/ repo.pullbundle2
requesting all changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files (+1 heads)
new changesets bbd179dfa0a7:ed1b79f46b9a
updating to branch default
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ killdaemons.py
$ grep 'sending pullbundle ' repo/.hg/blackbox.log
* sending pullbundle "0.hg" (glob)
* sending pullbundle "2.hg" (glob)
* sending pullbundle "1.hg" (glob)
$ rm repo/.hg/blackbox.log
Test recovery from misconfigured server sending no new data
$ cd repo
$ cat <<EOF > .hg/pullbundles.manifest
> 0.hg heads=ed1b79f46b9a29f5a6efa59cf12fcfca43bead5a bases=bbd179dfa0a71671c253b3ae0aa1513b60d199fa
> 0.hg heads=bbd179dfa0a71671c253b3ae0aa1513b60d199fa
> EOF
$ hg --config blackbox.track=debug --debug serve -p $HGPORT2 -d --pid-file=../repo.pid
listening at http://*:$HGPORT2/ (bound to $LOCALIP:$HGPORT2) (glob) (?)
$ cat ../repo.pid >> $DAEMON_PIDS
$ cd ..
$ hg clone -r 0 http://localhost:$HGPORT2/ repo.pullbundle3
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files
new changesets bbd179dfa0a7
updating to branch default
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ cd repo.pullbundle3
$ hg pull -r 1
pulling from http://localhost:$HGPORT2/
searching for changes
adding changesets
adding manifests
adding file changes
added 0 changesets with 0 changes to 1 files
abort: 00changelog.i@ed1b79f46b9a: no node!
[255]
$ cd ..
$ killdaemons.py
$ grep 'sending pullbundle ' repo/.hg/blackbox.log
* sending pullbundle "0.hg" (glob)
* sending pullbundle "0.hg" (glob)
$ rm repo/.hg/blackbox.log