#!/bin/sh
# $Id: postinst 460 2003-02-23 15:16:46Z godisch $

set -e

[ "$1" = configure ] || exit 0

. /usr/share/debconf/confmodule
db_version 2.0

server_config=/etc/news/noffle.conf
debian_config=/etc/default/noffle

maxfetch_default=300
defexpire_default=14

if dpkg --compare-versions "$2" lt-nl 1.1.2-1; then
	echo ""
	echo "/etc/noffle/conf moved to $server_config, /etc/noffle/conf.debian"
	echo "moved to $debian_config. /etc/noffle and /var/log/noffle are not"
	echo "used any longer, you may remove them. noffle expiration logs are"
	echo "still available through syslog."
	echo ""
	sleep 2
	mv -f /etc/noffle/conf $server_config || :
	mv -f /etc/noffle/conf.debian $debian_config || :
	mv -f /etc/noffle/conf.old $server_config.old 2> /dev/null || :
	mv -f /etc/noffle/conf.debian.old $debian_config.old 2> /dev/null || :
	rmdir /etc/noffle || :
fi

if dpkg --compare-versions "$2" eq 1.1.2-1; then
	# 1.1.2-1 was in unstable only, don't notify
	mv -f /etc/noffle.conf $server_config || :
	mv -f /etc/noffle.conf.old $server_config.old 2> /dev/null || :
fi

db_get noffle/debconf || RET=""
if [ "$RET" != false ]; then
	db_get noffle/port || RET=""
	port="$RET"
	[ -z "$port" -o "$port" = 119 ] && port=nntp
	# maybe disabled only, e.g. dpkg -r noffle
	update-inetd --remove "/usr/bin/noffle -r" || :
	update-inetd --group MAIL --add "$port\tstream\ttcp\tnowait\tnews\t/usr/sbin/tcpd /usr/bin/noffle -r"
	db_get noffle/server || RET=""
	server="$RET"
	[ "$server" ] || server=news
	db_get noffle/username || RET=""
	username="$RET"
	db_get noffle/password || RET=""
	password="$RET"
	db_get noffle/fetchmode || RET=""
	fetchmode="$RET"
	[ "$fetchmode" ] || if [ -x /usr/sbin/pppd ]; then
		fetchmode=ppp
	else
		fetchmode=cron
	fi
	db_get noffle/maxfetch || RET=""
	maxfetch="$RET"
	[ "$maxfetch" ] || maxfetch="$maxfetch_default"
	db_get noffle/default-expire || RET=""
	defexpire="$RET"
	[ "$defexpire" ] || defexpire="$defexpire_default"
	# try to be idempotent
	if [ ! -e $server_config.new -a ! -e $debian_config.new ]; then
		# make some backup files
		cmp -s $server_config $server_config.old || \
			cp -pf $server_config $server_config.old 2> /dev/null || :
		cmp -s $debian_config $debian_config.old || \
			cp -pf $debian_config $debian_config.old 2> /dev/null || :
	fi
	# $server_config may contain sensitive information for NNTP authentication
	umask 027
	# we need to use sed instead of Perl to avoid another package dependency
	cat /usr/share/noffle/noffle.conf | \
		sed "s/^server[[:space:]].*/server $server $username $password/" | \
		sed "s/^max-fetch[[:space:]].*/max-fetch $maxfetch/" | \
		sed "s/^default-expire[[:space:]].*/default-expire $defexpire/" \
		> $server_config.new
	chgrp news $server_config.new
	umask 022
	cat /usr/share/noffle/conf.debian | \
		sed "s/^NOFFLE_FETCHMODE=.*/NOFFLE_FETCHMODE=$fetchmode/" \
		> $debian_config.new
	mv -f $server_config.new $server_config
	mv -f $debian_config.new $debian_config
fi

# sanity checks
chown -R news:news /var/lock/noffle /var/spool/noffle
chmod -R go-w      /var/lock/noffle /var/spool/noffle
find /var/lock/noffle /var/spool/noffle -type d -print0 | xargs -0 chmod g+s

# init.d startup
update-rc.d noffle defaults > /dev/null
if [ -x /usr/sbin/invoke-rc.d ]; then
	invoke-rc.d noffle start
elif [ -x /etc/init.d/noffle ]; then
	/etc/init.d/noffle start
fi

if [ -z "$2" ]; then
	echo ""
	echo "You need to query your parent NNTP server manually for a group overview"
	echo "and descriptions. Have a look at /usr/share/doc/noffle/README.Debian for"
	echo "information how to do this."
	echo ""
	sleep 2
fi

db_stop
exit 0