#!/bin/sh
# -*- Mode: shell-script -*-
# Copyright (C) 2002 by Chmouel Boudjnah <chmouel@mandrakesoft.com>
# Redistribution of this file is permitted under the terms of the GNU 
# Public License (GPL)
# $Id$

: ${splash_dir=/usr/share/bootsplash}
: ${splash_cfg=/etc/bootsplash}

[ $# = 3 ] || { echo "usage: $0 <initrd> <resolution> <theme>"; exit 1; }

initrd_file=$1
resolution=$2
THEME=$3

if [[ -f $splash_cfg/themes/$THEME/config/bootsplash-$resolution.cfg ]];then
    config=$splash_cfg/themes/$THEME/config/bootsplash-$resolution.cfg
fi

if [[ -z $config ]];then
    echo "Can't find a config file for resolution $resolution";
    exit 1;
fi

# warly: we cannot use file command which is in /usr/bin/
# initrd_type=`zcat /boot/initrd-2.6.14-2mdk.ramfs.img | file -`

if `/bin/zcat $initrd_file 2> /dev/null | /bin/cpio -t &> /dev/null`; then
    tmp_dir=`mktemp -d`
    /bin/zcat $initrd_file | cpio-filter --exclude 'bootsplash|etc/splashy|usr/share/splashy/themes' > $tmp_dir/initrd
    if [ -x /sbin/splashy ]; then
	(echo /etc/splashy/themes ; echo /usr/share/splashy/themes ; /usr/sbin/splashy_find_files ) \
	| perl -MFile::Basename -ne 'm,^/(etc/splashy/.*|usr/share/splashy/.*), and print $1 . "\n" . dirname($1) . "\n"' \
	| sort -u | (cd / ; cpio -o -c -L --quiet -O $tmp_dir/initrd --append)
    elif [[ -x /sbin/splash ]]; then
        /sbin/splash -s -f $config > $tmp_dir/bootsplash
	echo bootsplash | (cd $tmp_dir ; cpio -o -c --quiet -O $tmp_dir/initrd --append)
    fi
    gzip -c $tmp_dir/initrd > $initrd_file
    rm -rf $tmp_dir 
else 
    $splash_dir/scripts/remove-boot-splash $initrd_file

    if [ -x /sbin/splashy ]; then
	tmp_initrd=`mktemp`
	tmp_dir=`mktemp -d`
	gzip -dc $initrd_file > $tmp_initrd
	mount -o loop $tmp_initrd $tmp_dir
	rm -rf $tmp_dir/etc/splashy
	for f in `/usr/sbin/splashy_find_files | egrep ^/etc/splashy\|/usr/share/splashy/themes`; do
	    d=`dirname $f`
	    mkdir -p $tmp_dir$d
	    cp -aL $f $tmp_dir$d
	done
	umount $tmp_dir
	gzip -c $tmp_initrd > $initrd_file
	rm -f $tmp_initrd
    elif [[ -x /sbin/splash ]]; then
        /sbin/splash -s -f $config >> $initrd_file
    fi
fi