2021-01-09 22:30:20 +01:00
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#!/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 -euo pipefail
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2021-01-18 03:59:34 +01:00
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INSTALL_DIR="/files/opt/java"
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BIN_PATH="/files/bin/java"
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if [[ $# != "0" && ${1} == "--reinstall" ]]; then
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rm -rf "${INSTALL_DIR}"
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rm -f "${BIN_PATH}"
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2025-10-03 09:20:54 +00:00
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mapfile -t files_to_delete < <(find /files/bin -type l -exec bash -c '
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for link; do
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target=$(readlink "$link")
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if [[ "$target" == /files/opt/java/* ]]; then
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echo "$link"
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fi
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done
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' _ {} +)
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rm -rf "${files_to_delete[@]}"
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2021-01-18 03:59:34 +01:00
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fi
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hash -r
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2021-01-09 22:30:20 +01:00
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if command -v java; then
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2021-01-18 03:59:34 +01:00
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echo 'The "java" command found. Installation not needed. Run with --reinstall to reinstall'
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2021-01-09 22:30:20 +01:00
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exit 1
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fi
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2025-10-03 09:20:54 +00:00
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DOWNLOAD_URL="https://download.java.net/openjdk/jdk25/ri/openjdk-25+36_linux-x64_bin.tar.gz"
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2021-01-09 22:30:20 +01:00
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if [[ -e ${INSTALL_DIR} ]]; then
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echo "The install directory (${INSTALL_DIR}) already exists. This may mean java is already installed."
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2021-01-18 03:59:34 +01:00
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echo "Run with --reinstall to reinstall."
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2021-01-09 22:30:20 +01:00
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exit 1
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fi
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TMP_DIR="$(mktemp -d)"
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# shellcheck disable=SC2064
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trap "rm -rf ${TMP_DIR}" EXIT
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mkdir -p "${INSTALL_DIR}"
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echo "Downloading from ${DOWNLOAD_URL}"
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curl -# --fail "${DOWNLOAD_URL}" --output "${TMP_DIR}/openjdk.tar.gz"
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echo "Extracting archive"
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tar xzf "${TMP_DIR}/openjdk.tar.gz" -C "${INSTALL_DIR}" --strip-components=1
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echo 'Symlinking executables files to /files/bin'
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mkdir -p "/files/bin/"
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while IPS='' read -r line; do
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BIN_NAME="$(basename "${line}")"
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ln -s "${line}" "/files/bin/${BIN_NAME}"
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done < <(find "${INSTALL_DIR}/bin/" -type f)
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2021-09-18 15:25:16 -07:00
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# Coherence check
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2021-01-09 22:30:20 +01:00
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if ! command -v java > /dev/null; then
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echo 'Installation failed. The command "java" was not found.'
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exit 1
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fi
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echo 'Installation complete.'
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