cert-manager/make/_shared/tools/util/checkhash.sh
cert-manager-bot 8122c02409 BOT: run 'make upgrade-klone' and 'make generate'
Signed-off-by: cert-manager-bot <cert-manager-bot@users.noreply.github.com>
2024-04-25 15:24:26 +00:00

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#!/usr/bin/env bash
# Copyright 2023 The cert-manager 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
SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
# This script takes the hash of its first argument and verifies it against the
# hex hash given in its second argument
function usage_and_exit() {
echo "usage: $0 <path-to-target> <expected-hash>"
echo "or: LEARN_FILE=<path-to-learn-file> $0 <path-to-target> <old-hash>"
exit 1
}
HASH_TARGET=${1:-}
EXPECTED_HASH=${2:-}
if [[ -z $HASH_TARGET ]]; then
usage_and_exit
fi
if [[ -z $EXPECTED_HASH ]]; then
usage_and_exit
fi
SHASUM=$("${SCRIPT_DIR}/hash.sh" "$HASH_TARGET")
if [[ "$SHASUM" == "$EXPECTED_HASH" ]]; then
exit 0
fi
# When running 'make learn-sha-tools', we don't want this script to fail.
# Instead we log what sha values are wrong, so the make.mk file can be updated.
if [ "${LEARN_FILE:-}" != "" ]; then
echo "s/$EXPECTED_HASH/$SHASUM/g" >> "${LEARN_FILE:-}"
exit 0
fi
echo "invalid checksum for \"$HASH_TARGET\": wanted \"$EXPECTED_HASH\" but got \"$SHASUM\""
exit 1