$ git clone -n https://src.fedoraproject.org/rpms/vdr-epg-daemon.git /var/lib/mock/f40-build-797416-141347/root/chroot_tmpdir/scmroot/vdr-epg-daemon
Cloning into '/var/lib/mock/f40-build-797416-141347/root/chroot_tmpdir/scmroot/vdr-epg-daemon'...
$ git fetch origin 1fc43ccd31ae613943c4247b2dec773b11a59841:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/vdr-epg-daemon
 * [new ref]         1fc43ccd31ae613943c4247b2dec773b11a59841 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1fc43cc Update to 1.3.23