$ git clone -n https://src.fedoraproject.org/rpms/jnettop.git /var/lib/mock/f29-build-2764-786/root/thebuilddir/tmp/scmroot/jnettop
Cloning into '/var/lib/mock/f29-build-2764-786/root/thebuilddir/tmp/scmroot/jnettop'...
$ git reset --hard b17c720889ac50e5c63681502f8f4862bd888bbc
HEAD is now at b17c720 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild