#!/usr/bin/env bash

sudo chown -R root:root /etc/nginx
sudo chmod -R 0750 /etc/nginx
sudo setfacl -Rbk -m g:hugo:rwx /etc/nginx
sudo setfacl -R --mask -m g:www-data:rx /etc/nginx

$ ls -al /etc/nginx
total 24
drwxrwx---+   5 root root 4096 Mar 18 17:07 .

$ getfacl /etc/nginx
getfacl: Removing leading '/' from absolute path names
# file: etc/nginx
# owner: root
# group: root
user::rwx
group::r-x
group:www-data:r-x
group:hugo:rwx
mask::rwx
other::---