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verify-gofmt.sh
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verify-gofmt.sh
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#!/usr/bin/env bash
# Copyright 2017 The Kubernetes 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,
# 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
if ! which gofmt > /dev/null; then
echo "Can not find gofmt"
exit 1
fi
find_files() {
find . -not \( \
\( \
-wholename './output' \
-o -wholename './.git' \
-o -wholename './_output' \
-o -wholename './_gopath' \
-o -wholename './release' \
-o -wholename './target' \
-o -wholename '*/third_party/*' \
-o -wholename '*/vendor/*' \
-o -wholename './staging/src/k8s.io/client-go/*vendor/*' \
-o -wholename '*/bindata.go' \
\) -prune \
\) -name '*.go'
}
# gofmt exits with non-zero exit code if it finds a problem unrelated to
# formatting (e.g., a file does not parse correctly). Without "|| true" this
# would have led to no useful error message from gofmt, because the script would
# have failed before getting to the "echo" in the block below.
diff=$(find_files | xargs gofmt -d -s 2>&1) || true
if [[ -n "${diff}" ]]; then
echo "${diff}" >&2
echo >&2
echo "Run ./hack/update-gofmt.sh" >&2
exit 1
fi