$ git clone -n https://src.fedoraproject.org/rpms/golang-etcd-raft-3.git /var/lib/mock/f40-build-2524199-61810/root/chroot_tmpdir/scmroot/golang-etcd-raft-3
Cloning into '/var/lib/mock/f40-build-2524199-61810/root/chroot_tmpdir/scmroot/golang-etcd-raft-3'...
$ git fetch origin 0c9a39fa942ca5f77043462640feb0afa62fbde6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-etcd-raft-3
 * [new ref]         0c9a39fa942ca5f77043462640feb0afa62fbde6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0c9a39f Added the README