$ git clone -n https://gitee.com/src-opencloudos-rpms/ding-libs.git /var/lib/mock/dist-oc9-build-40975-14591/root/chroot_tmpdir/scmroot/ding-libs
Cloning into '/var/lib/mock/dist-oc9-build-40975-14591/root/chroot_tmpdir/scmroot/ding-libs'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/ding-libs
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f03c279 import ding-libs-0.6.2-3.tl4