| #!/usr/bin/env bash |
| # |
| # Licensed to the Apache Software Foundation (ASF) under one or more |
| # contributor license agreements. See the NOTICE file distributed with |
| # this work for additional information regarding copyright ownership. |
| # The ASF licenses this file to You 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 -euo pipefail |
| |
| APACHE_DIST_URLS=( |
| "https://www.apache.org/dyn/closer.cgi?action=download&filename=" |
| # if the version is outdated (or we're grabbing the .asc file), we might have to pull from the dist/archive :/ |
| "https://www-us.apache.org/dist/" |
| "https://www.apache.org/dist/" |
| "https://archive.apache.org/dist/" |
| ) |
| |
| download() { |
| local f="$1"; shift |
| local distFile="$1"; shift |
| local success= |
| local distUrl= |
| for distUrl in "${APACHE_DIST_URLS[@]}"; do |
| echo "Attempting to fetch $f from $distUrl$distFile" |
| if wget -nv -O "$f" "$distUrl$distFile"; then |
| success=1 |
| break |
| fi |
| done |
| [ -n "$success" ] |
| } |
| |
| existing_file=$1 |
| download_file=$2 |
| dist_file=$3 |
| |
| if [[ "$existing_file" == "_NOT_SET" ]]; then |
| download "$download_file" "$dist_file" |
| else |
| [ -f "/tmp/$existing_file" ] || { echo "Existing file $existing_file does not exist"; exit 1; } |
| echo "Skipping download of $existing_file" |
| mv "/tmp/$existing_file" "$download_file" |
| fi |