#!/bin/bash
#
# Copyright (c) 2022 Wind River Systems, Inc.
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. The ASF licenses this
# file to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#  http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.
#

# The only parameter is the name of the folder where the source code
# is extracted to. Pay attention to that the extracted package should
# be put at the same path where this script is located.
# Tools needed: tar/sed

mkdir "$1"
cd "$1" || exit 1

file_debian=(../../../rt/linux-rt/linux-signed-*.tar.xz)
if [ ! -f "${file_debian}" ]
then
    echo "Please create signatures first (e.g. use debian-test-sign)!"
    exit 1
fi
cp "${file_debian}" ./

if ! tar xvf linux-signed-*.tar.xz;
then
    echo "Tar failed to decompress the source code for this pkg!"
    exit 1
fi

mv ./source-template/debian ./debian
rmdir source-template

# Add extra functions in image pkg's postinst to follow LAT secure boot
cd debian || exit 1
cp "${MY_REPO_ROOT_DIR}"/cgcs-root/stx/kernel/kernel-signed/\
kernel-rt-signed/debian/linux-rt-image.postinst.extra ./
# Remove the end line ( "exit 0" ) in the init script
sed -i '$d' linux-rt-image-*.postinst
cat linux-rt-image.postinst.extra >> linux-rt-image-*.postinst