$ git clone -n https://src.fedoraproject.org/rpms/vdr-epg2vdr.git /var/lib/mock/f40-build-2044544-48721/root/chroot_tmpdir/scmroot/vdr-epg2vdr
Cloning into '/var/lib/mock/f40-build-2044544-48721/root/chroot_tmpdir/scmroot/vdr-epg2vdr'...
$ git fetch origin 11ff9fc14eb363aa6d132fb145377adeb63c2abc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/vdr-epg2vdr
 * [new ref]         11ff9fc14eb363aa6d132fb145377adeb63c2abc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 11ff9fc Update to 1.2.15