$ git clone -n https://src.fedoraproject.org/rpms/vdr-osdteletext.git /var/lib/mock/f41-build-side-1-2778959-32451/root/chroot_tmpdir/scmroot/vdr-osdteletext
Cloning into '/var/lib/mock/f41-build-side-1-2778959-32451/root/chroot_tmpdir/scmroot/vdr-osdteletext'...
$ git fetch origin 8cf79d0629a151ecc4e65ff49d63f70872fa4c03:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/vdr-osdteletext
 * [new ref]         8cf79d0629a151ecc4e65ff49d63f70872fa4c03 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8cf79d0 convert GPLv2+ license to SPDX