#!/bin/sh
# SPDX-License-Identifier: LGPL-2.1-only OR BSD-3-Clause */
##########################################################################
#
# This file is provided under a dual license.  When you use or
# distribute this software, you may choose to be licensed under
# version 2.1 of the GNU Lesser General Public License
# ("LGPLv2.1 License") or BSD License.
#
# LGPLv2.1 License
#
# Copyright(C) 2019 MediaTek Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of version 2.1 of the GNU Lesser General Public
# License as published by the Free Software Foundation.
#
# 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 https://www.gnu.org/licenses/old-licenses/lgpl-2.1.html for more
# details.
#
# BSD LICENSE
#
# Copyright(C) 2019 MediaTek Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
#  * Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#  * Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in
#    the documentation and/or other materials provided with the
#    distribution.
#  * Neither the name of the copyright holder nor the names of its
#    contributors may be used to endorse or promote products derived
#    from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
###########################################################################
src_file=$1
dest_file=$2

# $1 is the source file
# echo "Checking file $src_file to $dest_file"
if [ -f $dest_file -a -e $src_file ]; then
	cmp $src_file $dest_file >> /dev/null
	if [ $? -ne 0 ]; then
		echo "Copy file $src_file to $dest_file"
		cp -f $src_file $dest_file
	fi
else
	if [ -e $src_file ]; then
		echo "Copy file $src_file to $dest_file"
		cp -f $src_file $dest_file
	fi
fi
