$ git clone -n https://src.fedoraproject.org/rpms/nrg2iso.git /var/lib/mock/f31-build-47857-26974/root/chroot_tmpdir/scmroot/nrg2iso
Cloning into '/var/lib/mock/f31-build-47857-26974/root/chroot_tmpdir/scmroot/nrg2iso'...
$ git reset --hard 452b9c7d7c6e66f47699c4a51afa188202e52715
HEAD is now at 452b9c7 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild