#!/bin/sh

set -e

case "$1" in
  remove|upgrade|remove-in-favour|deconfigure-in-favour)
  	# /sbin/unix_chkpwd is installed setgid shadow by default; for
  	# NIS we need setuid root, so the postinst installed a
  	# statoverride.  Remove that override again here.
       if OVR=$(dpkg-statoverride --list /sbin/unix_chkpwd) && \
              [ "$OVR" = "root root 4755 /sbin/unix_chkpwd" ]; then
  		dpkg-statoverride --remove /sbin/unix_chkpwd
  		chown root:shadow /sbin/unix_chkpwd
  		chmod 2755 /sbin/unix_chkpwd
           fi
  ;;

  failed-upgrade)
  ;;

  *)
  ;;
esac