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#!/bin/bash
#
# grub-background script: change the GRUB background in libreboot
#
# Copyright (C) 2015 Francis Rowe <info@gluglug.org.uk>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
[ "x${DEBUG+set}" = 'xset' ] && set -v
set -u -e
if (( $# != 2 )); then
echo "Usage: ./grub-background /path/to/libreboot.rom /path/to/image.jpg"
exit 1
fi
if [ ! -f $1 ]; then
echo "File not found!"
exit 1
fi
if [ ! -f $2 ]; then
echo "File not found!"
exit 1
fi
rompath=$1
jpegpath=$2
arch="unknown"
if [ $(uname -i) = "armv7l" ] || [ $(uname -m) = "armv7l" ]; then
arch="armv7l"
elif [ $(uname -i) = "i686" ] || [ $(uname -m) = "i686" ]; then
arch="i686"
elif [ $(uname -i) = "x86_64" ] || [ $(uname -m) = "x86_64" ]; then
arch="x86_64"
else
echo "Unknown host architecture"
exit 1
fi
cbfstool="./cbfstool/$arch/cbfstool"
$cbfstool "$rompath" remove -n background.jpg
$cbfstool "$rompath" add -f "$jpegpath" -n background.jpg -t raw
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