#!/bin/bash

# Copyright 2018 Amazon.com, Inc. or its affiliates. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"). You may not use
# this file except in compliance with the License. A copy of the License is
# located at
#
#     http://aws.amazon.com/apache2.0/
#
# or in the "license" file accompanying this file. This file 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 command used to generate the clang-format config file is:
#   clang-format --style=Google -dump-config

echo "Checking version number"
if command -v clang-format-8; then
    CLANG_FORMAT=clang-format-8
elif command -v clang-format; then
    CLANG_FORMAT=clang-format
else
    echo "clang-format-8 or clang-format not found"
    exit 1
fi
VER=$($CLANG_FORMAT --version | cut -f3 -d' ' | cut -f1 -d'.')

if [ "$VER" -ge 8 ]; then
    set -euxo pipefail
    find . -name '*.h' -or -name '*.c' -or -name '*.cpp' | xargs "$CLANG_FORMAT" -i
else
    echo "clang-format version 8 or greater is needed to read the format file."
    exit 1
fi