lint-copyright-banner:
	@${FINDFILES} \( -name '*.go' -o -name '*.cc' -o -name '*.h' -o -name '*.proto' -o -name '*.py' -o -name '*.sh' -o -name '*.rs' \) \( ! \( -name '*.gen.go' -o -name '*.pb.go' -o -name '*_pb2.py' \) \) -print0 |\
		${XARGS} common/scripts/lint_copyright_banner.sh

fix-copyright-banner:

# See the License for the specific language governing permissions and
# limitations under the License.

set -e

WD=$(dirname "$0")
WD=$(cd "$WD"; pwd)

for fn in "$@"; do
  if ! grep -L -q -e "Apache License, Version 2" -e "Copyright" "${fn}"; then
    if [[ "${fn}" == *.go || "${fn}" == *.rs ]]; then
      newfile=$(cat "${WD}/copyright-banner-go.txt" "${fn}")
      echo "${newfile}" > "${fn}"
      echo "Fixing license: ${fn}"

# "make update-common".

# Copyright Istio Authors
#
# 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,

// Copyright Istio Authors
//
// 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,

*krt is currently experimental; please ask maintainers before utilizing it in new areas.*

## Writing Controllers

The `controllers` package offers a variety of helpers for writing controllers.
These operate in a similar manner as [`controller-runtime`](https://github.com/kubernetes-sigs/controller-runtime) but are *far* smaller and less abstract.

With a few exceptions, Istio controllers typically are split in two phases: construction and running.