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#!/usr/bin/env bash
# Copyright 2018 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 -o nounset -o pipefail
# cd to the repo root and setup go
REPO_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/../../.." &> /dev/null && pwd -P)"
cd "${REPO_ROOT}"
source hack/build/setup-go.sh
# place to stick temp binaries
BINDIR="${REPO_ROOT}/bin"
mkdir -p "${BINDIR}"
# TMP_REPO is used in make_temp_repo_copy
TMP_REPO="$(TMPDIR="${BINDIR}" mktemp -d "${BINDIR}/verify-deps.XXXXX")"
# exit trap cleanup for TMP_REPO
cleanup() {
if [[ -n "${TMP_REPO}" ]]; then
rm -rf "${TMP_REPO}"
fi
}
# copies repo into a temp root saved to TMP_REPO
make_temp_repo_copy() {
# we need to copy everything but bin (and the old _output) (which is .gitignore anyhow)
find . \
-mindepth 1 -maxdepth 1 \
\( \
-type d -path "./.git" -o \
-type d -path "./bin" -o \
-type d -path "./_output" \
\) -prune -o \
-exec bash -c 'cp -r "${0}" "${1}/${0}" >/dev/null 2>&1' {} "${TMP_REPO}" \;
}
main() {
trap cleanup EXIT
# copy repo root into tempdir under ./_output
make_temp_repo_copy
# run generated code update script
cd "${TMP_REPO}"
REPO_ROOT="${TMP_REPO}" make generate
# make sure the temp repo has no changes relative to the real repo
diff=$(diff -Nupr \
-x ".git" \
-x "bin" \
-x "_output" \
-x "vendor" \
"${REPO_ROOT}" "${TMP_REPO}" 2>/dev/null || true)
if [[ -n "${diff}" ]]; then
echo "unexpectedly dirty working directory after hack/update/generated.sh" >&2
echo "" >&2
echo "${diff}" >&2
echo "" >&2
echo "please run make generate" >&2
exit 1
fi
}
main
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