$ git clone -n https://src.fedoraproject.org/rpms/kf5-kwayland.git /var/lib/mock/f38-build-712072-94243/root/chroot_tmpdir/scmroot/kf5-kwayland
Cloning into '/var/lib/mock/f38-build-712072-94243/root/chroot_tmpdir/scmroot/kf5-kwayland'...
$ git fetch origin 45529669f42b60e1588ba2ea1b9ea2451dadce18:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kwayland
 * [new ref]         45529669f42b60e1588ba2ea1b9ea2451dadce18 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4552966 Merge branch 'rawhide' into f38