$ git clone -n https://gitee.com/opencloudos-stream/json-c.git /var/lib/mock/dist-ocs23-build-40823-2059/root/chroot_tmpdir/scmroot/json-c
Cloning into '/var/lib/mock/dist-ocs23-build-40823-2059/root/chroot_tmpdir/scmroot/json-c'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/json-c
 * [new ref]         HEAD       -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fc99c7b update