$ git clone -n https://src.fedoraproject.org/rpms/gravity-beams-and-evaporating-stars.git /var/lib/mock/f40-build-2290050-55941/root/chroot_tmpdir/scmroot/gravity-beams-and-evaporating-stars
Cloning into '/var/lib/mock/f40-build-2290050-55941/root/chroot_tmpdir/scmroot/gravity-beams-and-evaporating-stars'...
$ git fetch origin 8c2eb2d45da0bd67b734b92e7dc6f59fb212f008:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gravity-beams-and-evaporating-stars
 * [new ref]         8c2eb2d45da0bd67b734b92e7dc6f59fb212f008 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8c2eb2d Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild