$ git clone -n https://gitee.com/src-opencloudos-rpms/systemtap.git /var/lib/mock/dist-oc9-build-63071-16463/root/chroot_tmpdir/scmroot/systemtap
Cloning into '/var/lib/mock/dist-oc9-build-63071-16463/root/chroot_tmpdir/scmroot/systemtap'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/systemtap
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f155216 import systemtap-4.9-3.tl4