$ git clone -n https://src.fedoraproject.org/rpms/libnbd.git /var/lib/mock/f33-build-513412-64520/root/chroot_tmpdir/scmroot/libnbd
Cloning into '/var/lib/mock/f33-build-513412-64520/root/chroot_tmpdir/scmroot/libnbd'...
$ git reset --hard fb3c10f728e24a9b92e7abacd6b4915a55a2730f
HEAD is now at fb3c10f New upstream stable version 1.6.1.