$ git clone -n https://src.fedoraproject.org/rpms/aces_container.git /var/lib/mock/f40-build-791273-137276/root/chroot_tmpdir/scmroot/aces_container
Cloning into '/var/lib/mock/f40-build-791273-137276/root/chroot_tmpdir/scmroot/aces_container'...
$ git fetch origin 643f48ee4ced1064b1a97ea0cc1d8912a2d49d42:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/aces_container
 * [new ref]         643f48ee4ced1064b1a97ea0cc1d8912a2d49d42 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 643f48e Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild