$ git clone -n https://src.fedoraproject.org/rpms/xtl.git /var/lib/mock/f40-build-794354-139514/root/chroot_tmpdir/scmroot/xtl
Cloning into '/var/lib/mock/f40-build-794354-139514/root/chroot_tmpdir/scmroot/xtl'...
$ git fetch origin 16ae8b3b569abeecce73bdcd917305e77e5e49a5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xtl
 * [new ref]         16ae8b3b569abeecce73bdcd917305e77e5e49a5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 16ae8b3 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild