$ git clone -n https://gitee.com/src-opencloudos-rpms/gfbgraph.git /var/lib/mock/dist-oc9-build-52558-14601/root/chroot_tmpdir/scmroot/gfbgraph
Cloning into '/var/lib/mock/dist-oc9-build-52558-14601/root/chroot_tmpdir/scmroot/gfbgraph'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/gfbgraph
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at af50f14 import gfbgraph-0.2.4-3.tl4