case "$MODE" in
    configure)
        ARCH=$(dpkg --print-architecture)
        APT_GET_OPTS="-y"

        DIST=etch
        MIRROR="http://http.us.debian.org/debian"
        COMPONENTS="main"
        EARLY_PACKAGES="x-window-system-core ltsp-client discover1 mdetect xresprobe udhcpc udev xdebconfigurator esound ldm"
        EXCLUDE="libpcap0.7,libgnutls11,liblockfile1,libpcre3,libtasn1-2,libopencdk8,liblzo1,info,manpages,man-db,libgcrypt11,libgdbm3,libgpg-error0,groff-base,at,cron,logrotate,exim4-config,exim4,exim4-base,exim4-daemon-light,ipchains,mailx,pppconfig,pppoe,pppoeconf,tasksel,base-config,apt-utils,dhcp-client,fdutils,iptables,ppp,whiptail"
        RCS_WHITELIST="mountkernfs.sh mountvirtfs hostname.sh keymap.sh loopback udev mountdevsubfs.sh mountdevsubfs module-init-tools procps.sh etc-setserial ltsp-client-setup setserial console-screen.sh xorg-common x11-common xfree86-common ifupdown networking"
        RC2_WHITELIST="ltsp-client nbd-client usplash rmnologin"
        ;;
    after-install)
        # Install start-stop-daemon wrapper
        chroot $ROOT dpkg-divert --package ltsp-client --add --rename \
                                 --divert /sbin/start-stop-daemon.real \
                                          /sbin/start-stop-daemon
        cp /usr/share/ltsp/scripts/start-stop-daemon $ROOT/sbin/

        # Install policy-rc.d wrapper
        cp /usr/share/ltsp/scripts/policy-rc.d.ltsp  $ROOT/usr/sbin/
        chroot $ROOT update-alternatives --install /usr/sbin/policy-rc.d policy-rc.d \
                                                   /usr/bin/policy-rc.d.ltsp 100

        # Export LTSP_HANDLE_DAEMONS to avoid running daemons while
        # creating the chroot.
        export LTSP_HANDLE_DAEMONS="false"
        ;;
    finalization)
        rc_cleanup() {
            LANG=C
            LEVEL=$1; shift
        
            if [ $(echo $LEVEL| grep [2-5]) ]; then
                suffix="2 3 4 5"
                echo "Cleaning up startup links in init levels: $suffix ..."
                else
                suffix=$LEVEL
                echo "Cleaning up startup links in rc$suffix.d ..."
            fi
        
            RC_DIR=$(cd $ROOT/etc/rc$LEVEL.d/; ls S*)
        
            for match in $@; do
                RC_DIR=$(echo "$RC_DIR"|sed "s/S[0-9]*$match$//g")
            done
        
            for link in $RC_DIR; do
                name=$(echo $link|sed s/^S[0-9]*//g)
                seq_number=$(printf %.2s $(echo $link|sed s/[a-z,\.,S,K,-]*//g))
                if [ -f $ROOT/etc/init.d/$name ] ; then
                    chroot $ROOT update-rc.d -f $name remove 2>&1 >/dev/null
                    chroot $ROOT update-rc.d $name stop $seq_number $suffix . 2>&1 >/dev/null
                fi
            done
        }
        rc_cleanup S $RCS_WHITELIST
        rc_cleanup 2 $RC2_WHITELIST
        ;;
esac