$ git clone -n https://src.fedoraproject.org/rpms/kf5-kdesu.git /var/lib/mock/f40-build-2292546-56143/root/chroot_tmpdir/scmroot/kf5-kdesu
Cloning into '/var/lib/mock/f40-build-2292546-56143/root/chroot_tmpdir/scmroot/kf5-kdesu'...
$ git fetch origin 9baae3a52c6f451de135fcc671f3e13594575417:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kdesu
 * [new ref]         9baae3a52c6f451de135fcc671f3e13594575417 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9baae3a Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild