$ git clone -n https://src.fedoraproject.org/rpms/sddm-kcm.git /var/lib/mock/f41-build-side-1-2924314-34985/root/chroot_tmpdir/scmroot/sddm-kcm
Cloning into '/var/lib/mock/f41-build-side-1-2924314-34985/root/chroot_tmpdir/scmroot/sddm-kcm'...
$ git fetch origin afcd1215c5c414aec4f566b6bec088b18d2f8ed4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sddm-kcm
 * [new ref]         afcd1215c5c414aec4f566b6bec088b18d2f8ed4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at afcd121 6.2.0