$ git clone -n https://gitee.com/src-opencloudos-rpms/gom.git /var/lib/mock/dist-oc9-build-41436-14591/root/chroot_tmpdir/scmroot/gom
Cloning into '/var/lib/mock/dist-oc9-build-41436-14591/root/chroot_tmpdir/scmroot/gom'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/gom
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5df193f import gom-0.4-3.tl4