$ git clone -n https://src.fedoraproject.org/rpms/glusterfs.git /var/lib/mock/f39-build-1563088-37472/root/chroot_tmpdir/scmroot/glusterfs
Cloning into '/var/lib/mock/f39-build-1563088-37472/root/chroot_tmpdir/scmroot/glusterfs'...
$ git fetch origin b9a2e4c9cfd82d6de1dccf141709a735a3d12180:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/glusterfs
 * [new ref]         b9a2e4c9cfd82d6de1dccf141709a735a3d12180 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b9a2e4c glusterfs 11, /usr/lib/ocf/resource-agents.d -> resource-agents