$ git clone -n https://src.fedoraproject.org/rpms/kf6-kio.git /var/lib/mock/f41-build-838837-159865/root/chroot_tmpdir/scmroot/kf6-kio
Cloning into '/var/lib/mock/f41-build-838837-159865/root/chroot_tmpdir/scmroot/kf6-kio'...
$ git fetch origin 77b698f9e57fbbe179753151b0a06b444ac7e509:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kio
 * [new ref]         77b698f9e57fbbe179753151b0a06b444ac7e509 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 77b698f 6.5.0