$ git clone -n https://src.fedoraproject.org/rpms/sddm-kcm.git /var/lib/mock/f39-build-1512326-35565/root/chroot_tmpdir/scmroot/sddm-kcm
Cloning into '/var/lib/mock/f39-build-1512326-35565/root/chroot_tmpdir/scmroot/sddm-kcm'...
$ git fetch origin e462ba0dc7ef7b18295d4f56d4ac0dc2a3af2883:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sddm-kcm
 * [new ref]         e462ba0dc7ef7b18295d4f56d4ac0dc2a3af2883 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e462ba0 Update to 5.27.8