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#!/bin/sh
# -*- Mode: shell-script -*-
# Copyright (C) 2002 by Chmouel Boudjnah <chmouel@mandrakesoft.com>
# Copyright (C) 2012 by Colin Guthrie <colin@mageia.org>
# Redistribution of this file is permitted under the terms of the GNU
# Public License (GPL)
# $Id$
: ${splash_dir=/usr/share/bootsplash}
[ $# = 1 ] || { echo "Usage: $0 <initrd>" >&2; exit 1; }
initrd_file=$1
tmp_dir=
clean_tmp() {
[ -n "$tmp_dir" ] && rm -rf "$tmp_dir"
return 0
}
clean_and_fail() {
clean_tmp
exit 1
}
initrd_file="$(readlink -f "$initrd_file")"
CPIO=
[ -z "$CPIO" ] && zcat $initrd_file 2>/dev/null | cpio -it --quiet &>/dev/null && CPIO=gz
[ -z "$CPIO" ] && xzcat $initrd_file 2>/dev/null | cpio -it --quiet &>/dev/null && CPIO=xz
if [ -z "$CPIO" ]; then
echo "remove-boot-splash: Format of $initrd_file not recognized" >&2
exit 1
fi
tmp_dir=`mktemp -d`
[ -n "$tmp_dir" ] || clean_and_fail
EXTRACT=zcat
COMPRESS="gzip -9"
if [ "xz" = "$CPIO" ]; then
EXTRACT=xzcat
COMPRESS="xz --check=crc32 --lzma2=dict=1MiB"
fi
mkdir $tmp_dir/plymouth
cd $tmp_dir/plymouth || clean_and_fail
$EXTRACT $initrd_file | cpio -id --quiet || clean_and_fail
if [ ! -d $tmp_dir/plymouth/usr/share/plymouth ]; then
echo "remove-boot-splash: ERROR plymouth not found in $initrd_file" >&2
clean_and_fail
fi
echo "remove-boot-splash: Removing plymouth from initrd $initrd_file" >&2
rm -rf \
$tmp_dir/plymouth/usr/share/plymouth \
$tmp_dir/plymouth/usr/lib*/plymouth \
$tmp_dir/plymouth/usr/lib*/libply* \
$tmp_dir/plymouth/lib*/libply* \
$tmp_dir/plymouth/bin/plymouthd \
$tmp_dir/plymouth/bin/plymouth \
$tmp_dir/plymouth/etc/plymouth \
$tmp_dir/plymouth/etc/splashy \
$tmp_dir/plymouth/usr/share/splashy
find . | \
cpio -R 0:0 -H newc -o --quiet | \
$COMPRESS > $tmp_dir/initrd || clean_and_fail
mv -f $tmp_dir/initrd $initrd_file
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