#!/usr/bin/env bash

if [[ -z "$1" ]] || [[ -z "$2" ]] ; then
  echo "usage: $0 user dir [mode]"
  exit 1
fi

USER=$1
DIR=$2
MODE=${3:-"rwX"}

if [[ ! -d "$DIR" ]] ; then
  echo $DIR not a directory
  exit 1
fi
setfacl -m "u:$USER:$MODE" -m "d:u:$USER:$MODE" -m "d:m:$MODE" -m "m:$MODE" -R "$DIR"