$ git clone -n https://gitee.com/wency_cn/nginx.git /var/lib/mock/dist-an23-build-503661-74854/root/chroot_tmpdir/scmroot/nginx
Cloning into '/var/lib/mock/dist-an23-build-503661-74854/root/chroot_tmpdir/scmroot/nginx'...
$ git fetch origin 25b66e87b3f9cef4ddd4c0594ac71f4dcaa18609:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/nginx
 * [new ref]         25b66e87b3f9cef4ddd4c0594ac71f4dcaa18609 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 25b66e8 Update code from upstream