$ git clone -n https://gitee.com/opencloudos-stream/google-gson.git /var/lib/mock/dist-ocs23-build-15599-1041/root/chroot_tmpdir/scmroot/google-gson
Cloning into '/var/lib/mock/dist-ocs23-build-15599-1041/root/chroot_tmpdir/scmroot/google-gson'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/google-gson
 * [new ref]                    -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 88f9f4b OCS package init