$ git clone -n https://gitee.com/src-opencloudos-rpms/ps_mem.git /var/lib/mock/dist-oc9-build-60358-16463/root/chroot_tmpdir/scmroot/ps_mem
Cloning into '/var/lib/mock/dist-oc9-build-60358-16463/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 bf11dcb import ps_mem-3.14-4.tl4