ContainerImage.Pinniped/hack/lib/verify-codegen.sh
Matt Moyer 1aef2f07d3 Add new ./apis directory and codegen scripts.
Signed-off-by: Matt Moyer <moyerm@vmware.com>
2020-08-24 14:32:07 -05:00

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#!/usr/bin/env bash
# Copyright 2020 VMware, Inc.
# SPDX-License-Identifier: Apache-2.0
set -euo pipefail
ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
KUBE_VERSIONS=("$@")
GENERATED_DIR="${ROOT}/generated"
BACKUP_DIR="${GENERATED_DIR}.bak"
# Move the originally generated directory to a backup location
mv "${GENERATED_DIR}" "${BACKUP_DIR}"
mkdir "${GENERATED_DIR}"
# At exit (even on error), copy it back
cleanup() {
rm -r "${GENERATED_DIR}"
mv -f "${BACKUP_DIR}" "${GENERATED_DIR}"
}
trap "cleanup" EXIT SIGINT
# Run the code generation into a new empty `./generated` directory.
"${ROOT}/hack/lib/update-codegen.sh" "${KUBE_VERSIONS[@]}"
# Diff each of the chosen Kubernetes versions (but avoid comparing any other versions).
echo "diffing ${GENERATED_DIR} against freshly generated codegen"
ret=0
for kubeVersion in "${KUBE_VERSIONS[@]}"; do
kubeMinorVersion="$(echo "${kubeVersion}" | cut -d"." -f1-2)"
generatedVersionDir="${GENERATED_DIR}/${kubeMinorVersion}"
backupVersionDir="${BACKUP_DIR}/${kubeMinorVersion}"
diff -Naupr "${generatedVersionDir}" "${backupVersionDir}" || ret=$?
done
# If any of the versions differed, exit nonzero with an error message.
if [[ $ret -eq 0 ]]
then
echo "${GENERATED_DIR} up to date."
else
echo "${GENERATED_DIR} is out of date. Please run hack/update.sh"
exit 1
fi