branchcache: use an explicit class for the v2 version
This prepare the introduction of an experimental v3 format version.
In the process, we move the description of the format in that new class.
Test exclusion-based ACL enforcement
$ . "$TESTDIR/narrow-library.sh"
$ hg init master
$ cd master
$ for x in `$TESTDIR/seq.py 3`; do
> echo $x > "f$x"
> hg add "f$x"
> hg commit -m "Add $x"
> done
$ cat >> .hg/hgrc << EOF
> [narrowacl]
> default.includes=*
> default.excludes=f2 f3
> test.excludes=f3
> EOF
$ hg serve -a localhost -p $HGPORT1 -d --pid-file=hg.pid
$ cat hg.pid >> "$DAEMON_PIDS"
$ cd ..
$ hg clone http://localhost:$HGPORT1 narrowclone1
requesting all changes
adding changesets
adding manifests
adding file changes
added 3 changesets with 2 changes to 2 files
new changesets * (glob)
updating to branch default
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
The clone directory should only contain f1 and f2
$ ls -A -1 narrowclone1 | sort
.hg
f1
f2
Requirements should contain narrowhg
$ hg debugrequires -R narrowclone1 | grep narrowhg
narrowhg-experimental
NarrowHG should exclude f3.
$ hg -R narrowclone1 tracked
I path:.
X path:f3
Narrow should not be able to widen to include f3
$ hg -R narrowclone1 tracked --addinclude f3
comparing with http://localhost:$HGPORT1/
searching for changes
adding changesets
adding manifests
adding file changes
$ ls -A -1 narrowclone1 | sort
.hg
f1
f2
$ hg -R narrowclone1 tracked
I path:.
X path:f3
Narrow should not be able to remove the exclusion for f3
$ hg -R narrowclone1 tracked --removeexclude f3
comparing with http://localhost:$HGPORT1/
searching for changes
abort: The following excludes cannot be removed for test: ['path:f3']
[255]
$ ls -A -1 narrowclone1 | sort
.hg
f1
f2
$ hg -R narrowclone1 tracked
I path:.
X path:f3