$ git clone -n https://github.com/xcp-ng-rpms/zfs.git /var/lib/mock/v8.1-base-1962-1343/root/chroot_tmpdir/scmroot/zfs
Cloning into '/var/lib/mock/v8.1-base-1962-1343/root/chroot_tmpdir/scmroot/zfs'...
$ git reset --hard 218e8d0a029b298a2e88d6b5a6e616dcdb57bdd4
Downloading SOURCES/zfs-0.8.2.tar.gz (9.1 MB)
HEAD is now at 218e8d0 Merge branch 'upstream'