$ git clone -n https://src.fedoraproject.org/rpms/nfs-ganesha.git /var/lib/mock/f40-build-1285004-23240/root/chroot_tmpdir/scmroot/nfs-ganesha
Cloning into '/var/lib/mock/f40-build-1285004-23240/root/chroot_tmpdir/scmroot/nfs-ganesha'...
$ git fetch origin d720c1122da16d563b7061506dbb63eeb235486e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nfs-ganesha
 * [new ref]         d720c1122da16d563b7061506dbb63eeb235486e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d720c11 NFS-Ganesha 5.9 GA