132 lines
4.4 KiB
Bash
Executable File
132 lines
4.4 KiB
Bash
Executable File
#!/usr/bin/env 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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set -e
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function usage {
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echo "Usage: ${0} [options] /path/to/download/file.tar.gz download/fragment/eg/project/subdir/some-artifact-version.tar.gz"
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echo ""
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echo " --force for a redownload even if /path/to/download/file.tar.gz exists."
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echo " --working-dir /path/to/use Path for writing tempfiles. must exist."
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echo " defaults to making a directory via mktemp that we clean."
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echo " --keys url://to/project/KEYS where to get KEYS. needed to check signature on download."
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echo ""
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exit 1
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}
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# if no args specified, show usage
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if [ $# -lt 2 ]; then
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usage
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fi
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# Get arguments
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declare done_if_cached="true"
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declare working_dir
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declare cleanup="true"
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declare keys
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while [ $# -gt 0 ]
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do
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case "$1" in
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--force) shift; done_if_cached="false";;
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--working-dir) shift; working_dir=$1; cleanup="false"; shift;;
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--keys) shift; keys=$1; shift;;
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--) shift; break;;
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-*) usage ;;
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*) break;; # terminate while loop
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esac
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done
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# should still have required args
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if [ $# -lt 2 ]; then
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usage
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fi
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target="$1"
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artifact="$2"
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if [ -f "${target}" ] && [ "true" = "${done_if_cached}" ]; then
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echo "Reusing existing download of '${artifact}'."
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exit 0
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fi
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if [ -z "${working_dir}" ]; then
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if ! working_dir="$(mktemp -d -t hbase-download-apache-artifact)" ; then
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echo "Failed to create temporary working directory. Please specify via --working-dir" >&2
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exit 1
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fi
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else
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# absolutes please
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working_dir="$(cd "$(dirname "${working_dir}")"; pwd)/$(basename "${working_dir}")"
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if [ ! -d "${working_dir}" ]; then
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echo "passed working directory '${working_dir}' must already exist." >&2
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exit 1
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fi
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fi
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function cleanup {
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if [ "true" = "${cleanup}" ]; then
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echo "cleaning up temp space."
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rm -rf "${working_dir}"
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fi
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}
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trap cleanup EXIT SIGQUIT
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echo "New download of '${artifact}'"
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# N.B. this comes first so that if gpg falls over we skip the expensive download.
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if [ -n "${keys}" ]; then
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if [ ! -d "${working_dir}/.gpg" ]; then
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rm -rf "${working_dir}/.gpg"
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mkdir -p "${working_dir}/.gpg"
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chmod -R 700 "${working_dir}/.gpg"
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fi
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echo "installing project KEYS"
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curl -L --fail -o "${working_dir}/KEYS" "${keys}"
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if ! gpg --homedir "${working_dir}/.gpg" --import "${working_dir}/KEYS" ; then
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echo "ERROR importing the keys via gpg failed. If the output above mentions this error:" >&2
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echo " gpg: can't connect to the agent: File name too long" >&2
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# we mean to give them the command to run, not to run it.
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#shellcheck disable=SC2016
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echo 'then you prolly need to create /var/run/user/$(id -u)' >&2
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echo "see this thread on gnupg-users: https://s.apache.org/uI7x" >&2
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exit 2
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fi
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echo "downloading signature"
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curl -L --fail -o "${working_dir}/artifact.asc" "https://archive.apache.org/dist/${artifact}.asc"
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fi
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echo "downloading artifact"
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if ! curl --dump-header "${working_dir}/artifact_download_headers.txt" -L --fail -o "${working_dir}/artifact" "https://www.apache.org/dyn/closer.lua?filename=${artifact}&action=download" ; then
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echo "Artifact wasn't in mirror system. falling back to archive.a.o."
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curl --dump-header "${working_dir}/artifact_fallback_headers.txt" -L --fail -o "${working_dir}/artifact" "http://archive.apache.org/dist/${artifact}"
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fi
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if [ -n "${keys}" ]; then
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echo "verifying artifact signature"
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gpg --homedir "${working_dir}/.gpg" --verify "${working_dir}/artifact.asc"
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echo "signature good."
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fi
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echo "moving artifact into place at '${target}'"
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# ensure we're on the same filesystem
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mv "${working_dir}/artifact" "${target}.copying"
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# attempt atomic move
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mv "${target}.copying" "${target}"
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echo "all done!"
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