$ git clone -n https://gitee.com/src-opencloudos-rpms/ps_mem.git /var/lib/mock/dist-oc9-build-130411-78162/root/chroot_tmpdir/scmroot/ps_mem
Cloning into '/var/lib/mock/dist-oc9-build-130411-78162/root/chroot_tmpdir/scmroot/ps_mem'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/ps_mem
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a176c1e import ps_mem-3.14-6.tl4