$ git clone -n https://gitee.com/src-opencloudos-rpms/mt-st.git /var/lib/mock/dist-oc9-build-43091-14591/root/chroot_tmpdir/scmroot/mt-st
Cloning into '/var/lib/mock/dist-oc9-build-43091-14591/root/chroot_tmpdir/scmroot/mt-st'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/mt-st
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7c20865 import mt-st-1.4-3.tl4