POSTIN

/bin/sh

A=`cat /etc/sudoers | grep "DISPLAY XAUTHORITY XAUTHLOCALHOSTNAME"`
B=`cat /etc/sudoers | grep "# Defaults requiretty"`
if [ -z "$A" ]
then
  echo "Defaults env_keep += \"DISPLAY XAUTHORITY XAUTHLOCALHOSTNAME\"" >> /etc/sudoers
fi
if [ -z "$B" ]
then
  sed -i '/requiretty/s/^Defaults/# Defaults/g' /etc/sudoers
fi