#!/bin/bash

# Copyright 2014 The Kubernetes Authors 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.
# 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 -o errexit
set -o nounset
set -o pipefail

KUBE_ROOT=$(dirname "${BASH_SOURCE}")/..
boiler="${KUBE_ROOT}/hooks/boilerplate.py"

cd ${KUBE_ROOT}

find_files() {
  local ext=$1
  find . -not \( \
      \( \
        -wholename './output' \
        -o -wholename './_output' \
        -o -wholename './release' \
        -o -wholename './target' \
        -o -wholename './.git' \
        -o -wholename '*/third_party/*' \
        -o -wholename '*/Godeps/*' \
      \) -prune \
    \) -name "*.${ext}"
}

files_need_boilerplate=()

files=($(find_files "go"))
files_need_boilerplate+=($(${boiler} "go" "${files[@]}"))

files=($(find_files "sh"))
files_need_boilerplate+=($(${boiler} "sh" "${files[@]}"))

files=($(find_files "py"))
files_need_boilerplate+=($(${boiler} "py" "${files[@]}"))

if [[ ${#files_need_boilerplate[@]} -gt 0 ]]; then
  for file in "${files_need_boilerplate[@]}"; do
    echo "Boilerplate header is wrong for: ${file}"
  done

  exit 1
fi