#!/usr/bin/env bash

#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# 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.

set -ex

SCRIPTDIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )

[[ -z "$1" ]] && { echo  "\nPlease call '$0 <file path>' to run this command!\n"; exit 1; }
TARGET=$1
OUT=$(mktemp) || { echo "Failed to create temp file"; exit 1; }

cat "${SCRIPTDIR}/boilerplate.go.txt" > "${OUT}"
echo "" >> "${OUT}"
cat "${TARGET}" >> "${OUT}"
mv "${OUT}" "${TARGET}"
