#!/bin/sh

set -e

if [ -e /usr/share/debconf/confmodule ] ; then
  . /usr/share/debconf/confmodule
  export debconfavailable="yes"
fi

if [ -n "$EX4DEBUG" ]; then
  echo "now debugging $0 $@"
  set -x
fi

case "$1" in
    remove)
    # work around apt purging -base before even removing -daemon #261994.
    # postrm is good enough, we just need the init-script which is a conffile.
    	if [ -x /etc/init.d/exim4 ]; then
                if [ -n "$EX4DEBUG" ]; then
                  netstat -tulpen
                  ls -al /var/run/exim4/
                  cat /var/run/exim4/exim.pid
                  pidof exim4
                fi
		if command -v invoke-rc.d >/dev/null 2>&1; then
		    invoke-rc.d exim4 stop
		else
		    /etc/init.d/exim4 stop
		fi
                if [ -n "$EX4DEBUG" ]; then
                  netstat -tulpen
                  ls -al /var/run/exim4/
                  cat /var/run/exim4/exim.pid
                  pidof exim4
                  if pidof exim4; then
                    echo >&2 "WARN: There are some exim4 processes still running after stopping exim"
                  fi
                fi
	fi
	rm -f /var/lib/exim4/berkeleydbvers.txt
    ;;
    purge)
	update-rc.d exim4 remove > /dev/null

	# ask about purging mailqueue if debconf is available, keep it
	# otherwise
	if [ -e /var/spool/exim4/input ] \
		&& ! rmdir /var/spool/exim4/input 2>/dev/null \
		&& [ "$debconfavailable" = "yes" ]; then
		db_version 2.0
		db_input medium exim4/purge_spool || true
		db_go || true
		db_get exim4/purge_spool
		purge_spool="$RET"
		if [ "${purge_spool}" = "true" ] ; then 
			rm -rf /var/spool/exim4/input
		fi
	fi
							
	# remove logs and pid-dir.
	rm -rf /var/run/exim4 /var/log/exim4 /var/spool/exim4/msglog \
		/var/spool/exim4/db /var/spool/exim4/exim-process.info \
		/var/spool/exim4/gnutls-params*
	rmdir /var/spool/exim4 /var/lib/exim4 2> /dev/null || true
	;;
esac

#DEBHELPER#
