k3s/hack/verify-codecgen.sh

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#!/bin/bash
# Copyright 2015 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}")/..
source "${KUBE_ROOT}/hack/lib/init.sh"
kube::golang::setup_env
cd "${KUBE_ROOT}"
generated_files=$(
find . -not \( \
\( \
-wholename './output' \
-o -wholename './_output' \
-o -wholename './release' \
-o -wholename './target' \
-o -wholename '*/third_party/*' \
-o -wholename '*/Godeps/*' \
\) -prune \
\) -name '*.generated.go')
# create a nice clean place to put codecgen there
_tmpdir="$(mktemp -d -t codecgen.XXXXXX)"
function cleanup {
echo "Removing ${_tmpdir}"
rm -rf "${_tmpdir}"
}
trap cleanup EXIT
# Build codecgen from Godeps.
# However, we need to install godep first.
# We make some tricks with GOPATH variable to make it work with Travis.
_gopath=${GOPATH}
export GOPATH="${_tmpdir}"
go get -u github.com/tools/godep 2>/dev/null
go install github.com/tools/godep 2>/dev/null
GODEP="${_tmpdir}/bin/godep"
export GOPATH=${_gopath}
CODECGEN="${_tmpdir}/codecgen_binary"
${GODEP} go build -o "${CODECGEN}" github.com/ugorji/go/codec/codecgen
for generated_file in ${generated_files}; do
initial_dir=${PWD}
file=${generated_file//\.generated\.go/.go}
# codecgen work only if invoked from directory where the file
# is located.
pushd "$(dirname ${file})" > /dev/null
base_file=$(basename "${file}")
base_generated_file=$(basename "${generated_file}")
# We use '-d 1234' flag to have a deterministic output everytime.
# The constant was just randomly chosen.
${CODECGEN} -d 1234 -o "${base_generated_file}.1tmp" "${base_file}"
# Add boilerplate at the begining of the generated file.
sed 's/YEAR/2015/' "${initial_dir}/hack/boilerplate/boilerplate.go.txt" > "${base_generated_file}.tmp"
cat "${base_generated_file}.1tmp" >> "${base_generated_file}.tmp"
rm "${base_generated_file}.1tmp"
ret=0
diff -Naupr -I 'Auto generated by' "${base_generated_file}" "${base_generated_file}.tmp" || ret=$?
if [[ $ret -eq 0 ]]; then
echo "${generated_file} up to date."
else
echo "${generated_file} is out of date. Please run hack/update-codecgen.sh"
exit 1
fi
rm "${base_generated_file}.tmp"
popd > /dev/null
done