#!/bin/sh
# $OpenBSD: INSTALL,v 1.2 2003/06/23 19:11:12 sturm Exp $
#
# Pre/post-installation setup of exim

# exit on errors, use a sane path and install prefix
#
set -e
PATH=/bin:/usr/bin:/sbin:/usr/sbin
PREFIX=${PKG_PREFIX:-/usr/local}
CONFIG_DIR=${SYSCONFDIR}/exim
SAMPLE_CONFIG_DIR=$PREFIX/share/examples/exim

# Function: tell the user what they need to do to use the port just installed
#
do_notice()
{
    echo
    echo "+---------------"
    echo "| It is strongly advised that you configure exim to use"
    echo "| a UID and GID other that 0/0. You can do this by adding"
    echo "| lines to the configure file like this:"
    echo "| "
    echo "|       exim_user = \"_exim\""
    echo "|       exim_group = \"_exim\""
    echo "|       with uid/gid = \"521\""
    echo "| "
    echo "| but you must remember to allow that user write"
    echo "| permissions to /var/spool/exim."
    echo "| "
    echo "| If you want to do local deliveries as another user"
    echo "| (e.g. if you allow users to put procmail into their"
    echo "| .forward file) make the exim binary setuid root."
    echo "| "
    echo "| If you intend replacing sendmail with exim, then don't"
    echo "| forget to modify /etc/mailer.conf accordingly; see"
    echo "| mailwrapper(8)."
}

# Function: install configuration files
#
do_install_conf()
{
    install -d -o root -g wheel ${CONFIG_DIR}
    install -o root -g wheel ${SAMPLE_CONFIG_DIR}/configure \
      ${CONFIG_DIR}/configure
    echo "| "
    echo "| The $1 configuration files have been installed in ${CONFIG_DIR}."
    echo "| Please view these files and change the configuration to meet"
    echo "| your needs."
    echo "+---------------"
    echo
}

# Function: tell the user what they need to do to use the port just installed
#
do_notice_conf()
{
    echo "| "
    echo "| The existing $1 configuration files in ${CONFIG_DIR} have NOT"
    echo "| been changed.  You may want to compare them to the current samples"
    echo "| in ${SAMPLE_CONFIG_DIR}, and update your configuration files"
    echo "| as needed."
    echo "+---------------"
    echo
}

# Verify proper execution
#
if [ $# -ne 2 ]; then
    echo "usage: $0 distname { PRE-INSTALL | POST-INSTALL }" >&2
    exit 1
fi

# Verify/process the command
#
case $2 in
    PRE-INSTALL)
	: nothing to pre-install for this port
	;;
    POST-INSTALL)
	do_notice "$1"
	if [ ! -d ${CONFIG_DIR} ]; then
	    do_install_conf "$1"
	elif [ ! -f ${CONFIG_DIR}/configure ]; then
	    do_install_conf "$1"
	else
	    do_notice_conf "$1"
	fi
	;;
    *)
	echo "usage: $0 distname { PRE-INSTALL | POST-INSTALL }" >&2
	exit 1
	;;
esac

exit 0