$ git clone -n https://src.fedoraproject.org/rpms/ipv6calc.git /var/lib/mock/f40-build-802783-144099/root/chroot_tmpdir/scmroot/ipv6calc
Cloning into '/var/lib/mock/f40-build-802783-144099/root/chroot_tmpdir/scmroot/ipv6calc'...
$ git reset --hard 201577fa54a2f7d790fa599f771a3369c8b60b7b
HEAD is now at 201577f Final release 4.2.0