#!/bin/sh
DIR="/srv/partage"
GROUP="partage"

chgrp -hR "${GROUP}" "${DIR}"/
find "${DIR}"/ \
	\( -type d -not -perm 2770 -exec chmod ug=rwx,g+s,o= "{}" \; \) , \
	\( -type f -not -perm 0660 -exec chmod ug=rw,o= "{}" \; \)