$ git clone -n https://gitee.com/src-opencloudos-rpms/libSM.git /var/lib/mock/dist-oc9-build-70505-47440/root/chroot_tmpdir/scmroot/libSM
Cloning into '/var/lib/mock/dist-oc9-build-70505-47440/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 f2fa4ad import libSM-1.2.4-2.tl4