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#!/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)
# $Id$
bootsplashdir=/usr/share/bootsplash
sysconfig=/etc/sysconfig/bootsplash
bootdir=/boot
function list_available_themes () {
local basename=
for i in $bootsplashdir/themes/*;do
basename=${i##*/}
echo $basename
done
}
function get_current_theme () {
local opt= theme=
while read opt ;do
[[ $opt != THEME=* ]] && continue
theme=${opt##*=}
done < $sysconfig
[[ -z $theme ]] && theme="Mandrake"
echo $theme
}
function read_link () {
perl -e '{print readlink shift, "\n"}' $1
}
function lilo_switch_themes () {
local theme=$1
local message_from_theme=$bootsplashdir/themes/$theme/lilo/message
local message_from_current=$bootdir/lilo/message
#checking
if [[ ! -f $message_from_theme ]];then
return;
fi
if [[ ! -e $bootdir/lilo ]];then
return;
fi
#Make sure to point on lilo-graphic
if [[ -L $bootdir/lilo ]];then
point_to=$(read_link $bootdir/lilo)
if [[ $point_to != lilo-graphic ]];then
rm -f $bootdir/lilo
ln -s lilo-graphic $bootdir/lilo
fi
fi
if ! cmp -s $message_from_theme $message_from_current;then
cp -f $message_from_theme $message_from_current
fi
}
function check_it () {
local theme=$1
local ok= c=
for c in $(list_available_themes);do
[[ $c == $theme ]] && ok=yes
done
if [[ -z $ok ]];then
echo -e "Themes $theme doen't exist\n";
bash $0 -l
exit;
fi
}
function update () {
local theme=$1;
lilo_switch_themes $theme
}
function switch_theme () {
local toswitch=$1
local current_theme=$(get_current_theme)
local ok= c=
#Seeding
if [[ $current_theme != $toswitch ]];then
ok=
tmpfile=$(mktemp /tmp/.bootsplash.XXXXXXX)
cp -f $sysconfig $tmpfile && rm -f $sysconfig
while read line;do
if [[ $line == THEME=* ]];then
echo "THEME=$toswitch" >> $sysconfig
ok=yes
continue;
fi
echo $line >> $sysconfig
done < $tmpfile
if [[ -z $ok ]];then
echo "THEME=$toswitch" >> $sysconfig
fi
rm -f $tmpfile
if [[ -d /etc/bootsplash/$toswitch ]]; then
rm -f /etc/bootsplash/current
ln -s /etc/bootsplash/$toswitch current
fi
fi
}
function usage () {
basename=`basename $0`
cat <<EOF
$basename OPTIONS THEMES
OPTIONS:
-c: Tell you the current themes
-l: List themes available.
-u: Update current theme.
EOF
exit 1
}
update=
while getopts uhlc opt;do
case "$opt" in
u)
update=yes ;;
c)
echo -n "The current theme is: ";get_current_theme; exit;;
l)
echo "Available themes are :"
for i in $(list_available_themes);do echo -e "\t\t\t$i";done;
exit;
;;
h) usage;;
*) usage;;
esac
done
shift $((OPTIND - 1))
theme=$1
if [[ -n $update ]];then
if [[ -n $theme ]];then
echo "No argument when updating";
echo
usage
fi
update $(get_current_theme)
exit;
fi
[[ -z $theme ]] && usage;
check_it $theme
switch_theme $theme
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