$ git clone -n https://src.fedoraproject.org/rpms/sddm-kcm.git /var/lib/mock/f38-build-side-42-init-devel-679619-26711/root/chroot_tmpdir/scmroot/sddm-kcm
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-679619-26711/root/chroot_tmpdir/scmroot/sddm-kcm'...
$ git fetch origin f6587b8114a2ad9e2eabb17d5fbc29fcca91fcee:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sddm-kcm
 * [new ref]         f6587b8114a2ad9e2eabb17d5fbc29fcca91fcee -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f6587b8 5.27.4