$ git clone -n https://src.fedoraproject.org/rpms/nfs-ganesha.git /var/lib/mock/f39-build-1568735-37677/root/chroot_tmpdir/scmroot/nfs-ganesha
Cloning into '/var/lib/mock/f39-build-1568735-37677/root/chroot_tmpdir/scmroot/nfs-ganesha'...
$ git fetch origin 7a60ffff6dd760f4a881ab3cf74f88cff93a84ec:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nfs-ganesha
 * [new ref]         7a60ffff6dd760f4a881ab3cf74f88cff93a84ec -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7a60fff NFS-Ganesha 5.7 GA