#!/bin/sh -e


# dh_makeshlibs doesn't add it automaticaly (?!)
if [ "$1" = "remove" ]; then
        ldconfig
fi


case "$1" in
    purge)
        # Default values, in case debconf was not used to set them.  These will
        # be used for system configurations down below after debconf values are
        # read.
        # NOTE: make sure to match these defaults with the rivendell.postinst script
        AUDIOUSER="rduser"
        AUDIOGROUP="rivendell"
        AUDIOROOT="/var/snd"
        REMOVEDATA="false"

        # get debconf entries if used.
        . /usr/share/debconf/confmodule

        # Is the user configuring with debconf?
        db_get rivendell/debconfenable || true
        if [ "$RET" = "true" ]; then
            db_get rivendell/identity/audioowner || true
            [ -n ${RET} ] && AUDIOUSER="$RET"
            db_get rivendell/identity/audiogroup || true
            [ -n ${RET} ] && AUDIOGROUP="$RET"
            db_get rivendell/cae/audioroot || true
            [ -n ${RET} ] && AUDIOROOT="$RET"
            db_get rivendell/postrm_remove_data || true
            [ -n ${RET} ] && REMOVEDATA="$RET"
        fi
        
        # Remove init.d configuration file
        rm -f /etc/default/rivendell

        # Remove pam_rd hooks from PAM scripts
        DISPLAY_MANAGER=`cat /etc/X11/default-display-manager`
        DISPLAY_MANAGER=`basename "$DISPLAY_MANAGER"`
        dc="/etc/pam.d/$DISPLAY_MANAGER"
        grep -v "pam_rd.so" "$dc" > "${dc}.dpkg-tmp"
        mv -f "${dc}.dpkg-tmp" "$dc"

        # Remove user and group
        deluser $AUDIOUSER $AUDIOGROUP 2> /dev/null || true
        deluser $AUDIOUSER 2> /dev/null || true
        groupdel $AUDIOGROUP 2> /dev/null || true
        if [ "$REMOVEDATA" = "true" ]; then
            [ -d "$AUDIOROOT" ] && rm -rf "$AUDIOROOT" || true
            mysqladmin --force drop Rivendell || true
        fi
        [ -d /var/run/rivendell ] && rm -rf /var/run/rivendell || true
        [ -d /var/log/rivendell ] && rm -rf /var/log/rivendell || true

        # Clean out debconf stuff
        if [ -e /usr/share/debconf/confmodule ]; then
            . /usr/share/debconf/confmodule
            db_purge
        fi
    ;;

    remove|upgrade|failed-upgrade|abort-install|abort-upgrade|disappear)
        # Nothing to do here
    ;;

    *)
        echo "$0 called with unknown argument \`$1'" >&2
        exit 1
    ;;
esac

# NOTE: debhelper section is at the end, so the debconf values can be used during a purge

#DEBHELPER#