$ git clone -n https://src.fedoraproject.org/rpms/vdr-epgsearch.git /var/lib/mock/f42-build-3340367-44984/root/chroot_tmpdir/scmroot/vdr-epgsearch
Cloning into '/var/lib/mock/f42-build-3340367-44984/root/chroot_tmpdir/scmroot/vdr-epgsearch'...
$ git fetch origin 19e1e9934e2a9cd44a9c2d5e30b0d3af25cb41f8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/vdr-epgsearch
 * [new ref]         19e1e9934e2a9cd44a9c2d5e30b0d3af25cb41f8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 19e1e99 Rebuilt for new VDR API version 2.7.4