$ git clone -n https://github.com/xcp-ng-rpms/zfs.git /var/lib/mock/v7.6-testing-1423-708/root/chroot_tmpdir/scmroot/zfs
Cloning into '/var/lib/mock/v7.6-testing-1423-708/root/chroot_tmpdir/scmroot/zfs'...
$ git reset --hard 1a459939f7179f328b052daf178bae82248e6c59
Downloading SOURCES/zfs-0.8.1.tar.gz (9.0 MB)
HEAD is now at 1a45993 Update comment