#!/bin/sh

set -e
[ "$DEBIAN_SCRIPT_DEBUG" ] && set -x

. /usr/share/carnet-tools/functions.sh

PKG=amavisd-cn
ALIASES=/etc/aliases
main_cf=/etc/postfix/main.cf
master_cf=/etc/postfix/master.cf

del_postconf() {
  egrep -v "^$1[[:blank:]]*=[[:blank:]]*" $main_cf > $main_cf.dpkg-tmp.$$
  cp_mv $main_cf.dpkg-tmp.$$ $main_cf
}

if [ "$1" = remove ]; then
  if grep -q $PKG $master_cf; then
    cp-update -r $PKG $master_cf >&-
    del_postconf content_filter
    echo "Removed postfix configuration for ${PKG}."
    if pgrep -u root -f /usr/lib/postfix/master >&- && \
       [ -x /etc/init.d/postfix ] >&- ; then
      if [ -x /usr/sbin/invoke-rc.d ]; then
        invoke-rc.d postfix restart
      else
        /etc/init.d/postfix restart
      fi
    fi
  fi
  cp-update -r $PKG $ALIASES >&-
  if [ -x /usr/bin/newaliases ]; then
    newaliases
  fi
fi