#!/bin/bash
acluserdir() {
  module_load confirm
  local uid
  local usesudo
  local del
  local spec
  local cmd="-R  -m "
  local cmdd="-dR  -m"
  if [[ $1 == "-d" ]]; then 
  shift
   echo deleting an acl entries for $1
   opts="-R  -x"
   optsd="-dR  -x"
   spec="u:$1 $2"
   else 
   opts="-R  -m "
   optsd="-dR  -m"
   spec="u:$1:rwX $2"
   fi
  [[ ! $2 ]] && echo acluserdir: both user and direcotory must be passed && return 1
  uid=$(id -u $1 2>/dev/null) 
  [[ $uid -lt 1000 ]] && echo no such regular user $1 && return 2
  [[ ! -d $2 ]] && echo no such directory $2 && return 3
  if [[ ! -w $2 ]];then
   echo $2 not writable by current user $USER
   if [[ ! $(sudo -l -U $USER 2>/dev/null) ]]; then 
    echo user does not have sudo privilges, aborting
    return 4
    else 
    confirm "do you want to elevate to root and continue?" || return 5
    usesudo="sudo"
  fi
  fi

  echo this are the commands that you will run
  echo '******************'
  echo $usesudo setfacl $opts  $spec
  echo $usesudo setfacl $optsd $spec
  echo '******************'
  confirm Double Check. Do you want to continue?  || return 6
  $usesudo setfacl $opts  $spec
  $usesudo setfacl $optsd $spec
  echo '*** new acl entries ***'
  $usesudo getfacl -p --omit-header $2 | grep $1
}