#!/bin/sh
# -*- Mode: shell-script -*-
# Copyright (C) 2003 by Florent Villard <warly@mandrakesoft.com>
# Redistribution of this file is permitted under the terms of the GNU 
# Public License (GPL)
#

sysconfig=/etc/sysconfig/bootsplash

function get_current_theme () {
    local opt= theme=
    while read opt ;do
	[[ $opt != THEME=* ]] && continue
	theme=${opt##*=}
    done < $sysconfig
    #[[ -z $theme ]] && theme="Mandriva"
    echo $theme
}

function remove_theme () {
    tmpfile=$(mktemp /tmp/.bootsplash.XXXXXXX)
    cp -f $sysconfig $tmpfile && rm -f $sysconfig
    ok=
    while read line;do
	if [[ $line == SPLASH=* ]];then 
	    echo "SPLASH=no" >> $sysconfig
	    continue;
	fi
 	if [[ $line == THEME=* ]];then 
	    echo "THEME=" >> $sysconfig
	    ok=yes
	    continue;
	fi
	echo $line >> $sysconfig
    done < $tmpfile
    if [[ -z $ok ]];then
	echo "THEME=" >> $sysconfig
    fi
    rm -f $tmpfile
    rm -f /etc/bootsplash/current
}

function update_boot () {
    if [[ -x /usr/sbin/bootloader-config ]]; then 
        /usr/sbin/bootloader-config --action remove-splash --kernel-version $(uname -r)
    fi 
}

theme_to_remove=$1
if [ "$theme_to_remove" = Mandrakelinux ]; then
    # in case we are upgrading mandrakelinux-theme to mandriva-theme
    # "remove-theme Mandrakelinux" will be called thinking there is no theme anymore
    grep -qi "THEME=Mandriva" $sysconfig && exit 0
fi


current_theme=$(get_current_theme)
if [ -z "$theme_to_remove" -o "$theme_to_remove" = "$current_theme" ]; then
    echo Removing $current_theme theme
    remove_theme
    update_boot
else
    echo $theme_to_remove is not current theme, skipping
    exit 0
fi