$ git clone -n https://src.fedoraproject.org/rpms/ck.git /var/lib/mock/f40-build-2432218-60654/root/chroot_tmpdir/scmroot/ck
Cloning into '/var/lib/mock/f40-build-2432218-60654/root/chroot_tmpdir/scmroot/ck'...
$ git fetch origin b288dc6e007d02a35e98898526792a64c3185ecc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ck
 * [new ref]         b288dc6e007d02a35e98898526792a64c3185ecc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b288dc6 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild