$ git clone -n https://gitee.com/src-opencloudos-rpms/libndp.git /var/lib/mock/dist-oc9-build-128368-77287/root/chroot_tmpdir/scmroot/libndp
Cloning into '/var/lib/mock/dist-oc9-build-128368-77287/root/chroot_tmpdir/scmroot/libndp'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libndp
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 56beb6d import libndp-1.8-6.tl4