$ git clone -n https://gitee.com/src-opencloudos-rpms/libSM.git /var/lib/mock/dist-oc9-build-46585-14592/root/chroot_tmpdir/scmroot/libSM
Cloning into '/var/lib/mock/dist-oc9-build-46585-14592/root/chroot_tmpdir/scmroot/libSM'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libSM
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 249d237 import libSM-1.2.3-3.tl4