$ git clone -n https://src.fedoraproject.org/rpms/gravity-beams-and-evaporating-stars.git /var/lib/mock/f31-build-84890-31580/root/chroot_tmpdir/scmroot/gravity-beams-and-evaporating-stars
Cloning into '/var/lib/mock/f31-build-84890-31580/root/chroot_tmpdir/scmroot/gravity-beams-and-evaporating-stars'...
$ git reset --hard 1241d948ef5ba356f66b66a649aaba5962ca51ab
HEAD is now at 1241d94 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild