55 lines
1.5 KiB
Bash
Executable File
55 lines
1.5 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Copyright 2021 The cert-manager Authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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set -eu -o pipefail
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# This script takes the hash of its first argument and verifies it against the
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# hex hash given in its second argument
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function usage_and_exit() {
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echo "usage: $0 <path-to-target> <expected-hash>"
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echo "or: LEARN_FILE=<path-to-learn-file> $0 <path-to-target> <old-hash>"
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exit 1
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}
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HASH_TARGET=${1:-}
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EXPECTED_HASH=${2:-}
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if [[ -z $HASH_TARGET ]]; then
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usage_and_exit
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fi
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if [[ -z $EXPECTED_HASH ]]; then
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usage_and_exit
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fi
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SHASUM=$(./hack/util/hash.sh "$1")
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if [[ "$SHASUM" == "$EXPECTED_HASH" ]]; then
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exit 0
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fi
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# When running 'make learn-sha-tools', we don't want this script to fail.
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# Instead we log what sha values are wrong, so the make.mk file can be updated.
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if [ "${LEARN_FILE:-}" != "" ]; then
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echo "s/$EXPECTED_HASH/$SHASUM/g" >> "${LEARN_FILE:-}"
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exit 0
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fi
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echo "invalid checksum for \"$HASH_TARGET\": wanted \"$EXPECTED_HASH\" but got \"$SHASUM\""
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exit 1
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