wehub-resource-sync
51 lines
1.5 KiB
Bash
Executable File
51 lines
1.5 KiB
Bash
Executable File
#!/bin/bash
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. 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,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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# Download a file with curl and verify its checksum (sha256 or sha512).
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if [[ "$#" -lt 4 || "$#" -gt 5 ]]; then
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echo "Usage: $0 URL OUTPUT_PATH CHECKSUM_ALGO EXPECTED_CHECKSUM [RETRIES]" >&2
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exit 2
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fi
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url="$1"
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output_path="$2"
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checksum_algo="$3"
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expected_checksum="$4"
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retries="${5:-0}"
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case "${checksum_algo}" in
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sha256)
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checksum_bin="sha256sum"
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;;
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sha512)
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checksum_bin="sha512sum"
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;;
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*)
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echo "Unsupported checksum algorithm: ${checksum_algo}" >&2
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exit 2
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;;
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esac
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if [ "${retries}" -gt 0 ]; then
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curl --retry "${retries}" -fsSL "${url}" -o "${output_path}"
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else
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curl -fsSL "${url}" -o "${output_path}"
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fi
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printf "%s %s\n" "${expected_checksum}" "${output_path}" | "${checksum_bin}" -c -
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