$ git clone -n https://src.fedoraproject.org/rpms/vdr-epg2vdr.git /var/lib/mock/f40-build-2647317-66695/root/chroot_tmpdir/scmroot/vdr-epg2vdr
Cloning into '/var/lib/mock/f40-build-2647317-66695/root/chroot_tmpdir/scmroot/vdr-epg2vdr'...
$ git fetch origin 1596d7e4ebd912c388ac2ad64bce545766ebb117:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/vdr-epg2vdr
 * [new ref]         1596d7e4ebd912c388ac2ad64bce545766ebb117 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1596d7e Rebuilt for new VDR API version