#!/bin/bash

# Copyright (c) 2022 Tigera, Inc. 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.

problems="$(find -name '*Dockerfile*' | \
            grep -v -e containernetworking-plugins -e flannel-cni-plugin | \
            xargs grep --with-filename '^ADD ')"

if [ "$problems" ]; then
  echo "Some Dockerfiles use ADD instead of COPY"
  echo "COPY is preferred to avoid false positives in CIS"
  echo "benchmark scans."
  echo
  printf "%s" "$problems"
  echo
  echo
  exit 1
fi