$ git clone -n https://src.fedoraproject.org/rpms/vdr-epgfixer.git /var/lib/mock/f41-build-side-1-2778952-32451/root/chroot_tmpdir/scmroot/vdr-epgfixer
Cloning into '/var/lib/mock/f41-build-side-1-2778952-32451/root/chroot_tmpdir/scmroot/vdr-epgfixer'...
$ git fetch origin 3e5d8dbff6358bd522a3f83b9b5b8d06862a6d8e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/vdr-epgfixer
 * [new ref]         3e5d8dbff6358bd522a3f83b9b5b8d06862a6d8e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3e5d8db convert GPLv2+ license to SPDX