$ git clone -n https://src.fedoraproject.org/rpms/xeus.git /var/lib/mock/f40-build-2403191-60556/root/chroot_tmpdir/scmroot/xeus
Cloning into '/var/lib/mock/f40-build-2403191-60556/root/chroot_tmpdir/scmroot/xeus'...
$ git fetch origin abb5eb002fbce1874ac25a8eb04a8817468fd468:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xeus
 * [new ref]         abb5eb002fbce1874ac25a8eb04a8817468fd468 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at abb5eb0 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild