$ git clone -n https://src.fedoraproject.org/rpms/vdr-epgsearch.git /var/lib/mock/f40-build-1518938-23913/root/chroot_tmpdir/scmroot/vdr-epgsearch
Cloning into '/var/lib/mock/f40-build-1518938-23913/root/chroot_tmpdir/scmroot/vdr-epgsearch'...
$ git fetch origin 7b3d6da5d08a5110d11cb66a4a2b4348e9a0b7ed:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/vdr-epgsearch
 * [new ref]         7b3d6da5d08a5110d11cb66a4a2b4348e9a0b7ed -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7b3d6da Rebuilt for new VDR API version 2.6.8