$ git clone -n https://src.fedoraproject.org/rpms/shogun-data.git /var/lib/mock/f40-build-798458-13660/root/chroot_tmpdir/scmroot/shogun-data
Cloning into '/var/lib/mock/f40-build-798458-13660/root/chroot_tmpdir/scmroot/shogun-data'...
$ git fetch origin 99b100ec22e04dab812ae58ed8d208dc55757e46:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/shogun-data
 * [new ref]         99b100ec22e04dab812ae58ed8d208dc55757e46 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 99b100e shogun is already retired a long time ago