#!/usr/bin/env bash

base_dir=$1
group=$2
dir_perm=2775
#dir_perm="u=rwx,g=rwx,o=rx,g+s"
file_perm=664

chmod $dir_perm $base_dir
chgrp $group $base_dir

while IFS='' read -r -d '' filename ; do

   [ -f "$filename" ] && ( chmod $file_perm "$filename"; chgrp $group $"$filename")
   [ ! -d  "$filename" ]  && continue

   [ "$filename" = "lost+found" ] && continue

   chmod $dir_perm "$filename" ; chgrp $group "$filename"

   find "$filename" -exec chgrp -R $group {} \;
   find "$filename" -type d -exec chmod -R $dir_perm {} \;
   find "$filename" -type f -exec chmod -R $file_perm {} \;

   
done  < <(find $base_dir -mindepth 1 -maxdepth 1 -print0)

exit 0