$ git clone -n https://gitee.com/wenyuzifang/radvd_1766389206.git /var/lib/mock/dist-an23-build-498698-74695/root/chroot_tmpdir/scmroot/radvd_1766389206
Cloning into '/var/lib/mock/dist-an23-build-498698-74695/root/chroot_tmpdir/scmroot/radvd_1766389206'...
$ git fetch origin cd7ad0412051d928eb9ea5e0a44064f5c84bf31c:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/radvd_1766389206
 * [new ref]         cd7ad0412051d928eb9ea5e0a44064f5c84bf31c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cd7ad04 Update code from upstream