#!/bin/sh -e
#
# $Id: dhcp3-client.postinst,v 1.1.1.1 2002/05/21 00:07:44 peloy Exp $
#

# Source debconf library.
. /usr/share/debconf/confmodule

# Remove a no-longer used conffile
rm_conffile()
{
    CONFFILE="$1"

    if [ -e "$CONFFILE".dpkg-obsolete ]; then
        echo "Removing obsolete conffile $CONFFILE"
        rm -f "$CONFFILE".dpkg-obsolete
    fi
}

case "$1" in
    configure)
        if [ ! -e /var/lib/dhcp3/dhclient.leases ]; then
            if test -e /var/lib/dhcp/dhclient.leases; then
                cp /var/lib/dhcp/dhclient.leases /var/lib/dhcp3/dhclient.leases
            else
                touch /var/lib/dhcp3/dhclient.leases
            fi
        fi

	if dpkg --compare-versions "$2" lt-nl "3.0.4-2"; then
		if [ -e /etc/dhcp3/dhclient-script ]; then
			db_input high dhcp3-client/dhclient-script_moved || true
			db_go
		else
			db_input high dhcp3-client/dhclient-needs-restarting || true
			db_go
		fi
	fi

	if [ -e /etc/dhcp3/dhclient.conf.oldconfig ]; then
		mv /etc/dhcp3/dhclient.conf.oldconfig /etc/dhcp3/dhclient.conf
	fi

	# Reload AppArmor profile
	profile="/etc/apparmor.d/sbin.dhclient3"
	if [ -f "$profile" ] && aa-status --enabled 2>/dev/null; then
		apparmor_parser -r "$profile" || true
	fi

        if dpkg --compare-versions "$2" lt-nl 3.1.2-1ubuntu7; then
            rm_conffile /etc/network/if-pre-up.d/dhclient3-apparmor
        fi
        ;;

    abort-upgrade|abort-remove|abort-deconfigure)
        exit 0
        ;;
    
    *)
        echo "postinst called with unknown argument \`$1'" >&2
        exit 0
        ;;
esac