$ git clone -n https://src.fedoraproject.org/rpms/kdesdk-kioslaves.git /var/lib/mock/f45-build-14683-462/root/chroot_tmpdir/scmroot/kdesdk-kioslaves
Cloning into '/var/lib/mock/f45-build-14683-462/root/chroot_tmpdir/scmroot/kdesdk-kioslaves'...
$ git fetch origin 2ba2587f7fe53736a8b64f67a1d514b0c15af7a5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kdesdk-kioslaves
 * [new ref]         2ba2587f7fe53736a8b64f67a1d514b0c15af7a5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2ba2587 26.08.1