$ git clone -n https://gitee.com/src-opencloudos-rpms/gb18030-font.git /var/lib/mock/dist-oc9-build-121880-71843/root/chroot_tmpdir/scmroot/gb18030-font
Cloning into '/var/lib/mock/dist-oc9-build-121880-71843/root/chroot_tmpdir/scmroot/gb18030-font'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/gb18030-font
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7f39dad import gb18030-font-1.0-1.tl4