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Excavator: Enabling the new Gradle Toolchains & Daemon JDK Setup (#719)
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‎.gitignore

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@@ -38,3 +38,6 @@ reports/
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*.tmproj
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*.tmproject
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*.sw[op]
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# Gradle JDKs setup
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!gradle/*

‎build.gradle

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@@ -23,7 +23,7 @@ buildscript {
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dependencies {
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classpath 'com.palantir.jakartapackagealignment:jakarta-package-alignment:0.6.0'
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classpath 'com.palantir.gradle.jdks:gradle-jdks:0.37.0'
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classpath 'com.palantir.gradle.jdks:gradle-jdks:0.47.0'
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classpath 'com.palantir.gradle.jdkslatest:gradle-jdks-latest:0.13.0'
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classpath 'com.gradle.publish:plugin-publish-plugin:1.3.0'
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classpath 'com.palantir.baseline:gradle-baseline-java:5.61.0'
@@ -51,6 +51,7 @@ apply plugin: 'com.palantir.external-publish-jar'
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apply plugin: 'com.palantir.failure-reports'
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apply plugin: 'com.palantir.git-version'
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apply plugin: 'com.palantir.java-format'
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apply plugin: 'com.palantir.jdks'
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apply plugin: 'com.palantir.jdks.latest'
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apply plugin: 'org.inferred.processors'
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@@ -101,3 +102,7 @@ javaVersions {
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libraryTarget = 11
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runtime = 17
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}
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jdks {
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daemonTarget = 17
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}

‎gradle.properties

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@@ -6,3 +6,4 @@ org.gradle.jvmargs=--add-exports jdk.compiler/com.sun.tools.javac.api=ALL-UNNAME
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org.gradle.caching=true
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org.gradle.parallel=true
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palantir.jdk.setup.enabled=true

‎gradle/gradle-daemon-jdk-version

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‎gradle/gradle-jdks-functions.sh

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#!/bin/sh
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set -e
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# Set pipefail if it works in a subshell, disregard if unsupported
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# shellcheck disable=SC3040
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if (set -o pipefail 2>/dev/null); then
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set -o pipefail
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fi
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#
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# (c) Copyright 2024 Palantir Technologies Inc. All rights reserved.
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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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#
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TMP_WORK_DIR=$(mktemp -d)
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export TMP_WORK_DIR
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cleanup() {
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[ -d "$TMP_WORK_DIR" ] && rm -rf "$TMP_WORK_DIR"
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}
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die() {
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echo
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echo "$*"
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echo
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cleanup
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exit 1
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} >&2
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read_value() {
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if [ ! -f "$1" ]; then
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die "ERROR: $1 not found, aborting Gradle JDK setup"
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fi
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read -r value < "$1" || die "ERROR: Unable to read value from $1. Make sure the file ends with a newline."
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echo "$value"
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}
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get_os() {
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# OS specific support; same as gradle-jdks:com.palantir.gradle.jdks.setup.common.CurrentOs.java
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case "$( uname )" in #(
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Linux* ) os_name="linux" ;; #(
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Darwin* ) os_name="macos" ;; #(
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* ) die "ERROR Unsupported OS: $( uname )" ;;
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esac
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if [ "$os_name" = "linux" ]; then
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ldd_output=$(ldd --version 2>&1 || true)
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if echo "$ldd_output" | grep -qi glibc; then
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os_name="linux-glibc"
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elif echo "$ldd_output" | grep -qi "gnu libc"; then
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os_name="linux-glibc"
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elif echo "$ldd_output" | grep -qi musl; then
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os_name="linux-musl"
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else
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die "Unable to determine glibc or musl based Linux distribution: ldd_output: $ldd_output"
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fi
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fi
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echo "$os_name"
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}
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get_arch() {
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# Arch specific support, see: gradle-jdks:com.palantir.gradle.jdks.setup.common.CurrentArch.java
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case "$(uname -m)" in #(
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x86_64* ) arch_name="x86-64" ;; #(
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x64* ) arch_name="x86-64" ;; #(
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amd64* ) arch_name="x86-64" ;; #(
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arm64* ) arch_name="aarch64" ;; #(
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arm* ) arch_name="aarch64" ;; #(
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aarch64* ) arch_name="aarch64" ;; #(
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x86* ) arch_name="x86" ;; #(
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i686* ) arch_name="x86" ;; #(
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* ) die "ERROR Unsupported architecture: $( uname -m )" ;;
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esac
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echo "$arch_name"
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}
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get_gradle_jdks_home() {
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gradle_user_home=${GRADLE_USER_HOME:-"$HOME"/.gradle}
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gradle_jdks_home="$gradle_user_home"/gradle-jdks
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echo "$gradle_jdks_home"
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}
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get_java_home() {
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java_bin=$(find "$1" -type f -name "java" -path "*/bin/java" ! -type l -print -quit)
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echo "${java_bin%/*/*}"
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}
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GRADLE_JDKS_HOME=$(get_gradle_jdks_home)
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mkdir -p "$GRADLE_JDKS_HOME"
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export GRADLE_JDKS_HOME
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OS=$(get_os)
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export OS
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ARCH=$(get_arch)
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export ARCH
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install_and_setup_jdks() {
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gradle_dir=$1
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scripts_dir=${2:-"$1"}
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for dir in "$gradle_dir"/jdks/*/; do
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major_version_dir=${dir%*/}
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major_version=${major_version_dir##*/}
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if [ "$major_version" = "8" ]; then
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echo "Skipping JDK 8 installation as it is not supported by Gradle JDKs Setup."
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continue
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fi
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distribution_local_path=$(read_value "$major_version_dir"/"$OS"/"$ARCH"/local-path)
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distribution_url=$(read_value "$major_version_dir"/"$OS"/"$ARCH"/download-url)
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# Check if distribution exists in $GRADLE_JDKS_HOME
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jdk_installation_directory="$GRADLE_JDKS_HOME"/"$distribution_local_path"
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if [ ! -d "$jdk_installation_directory" ]; then
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# Download and extract the distribution into a temporary directory
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echo "JDK installation '$jdk_installation_directory' does not exist, installing '$distribution_url' in progress ..."
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in_progress_dir="$TMP_WORK_DIR/$distribution_local_path.in-progress"
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mkdir -p "$in_progress_dir"
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cd "$in_progress_dir" || die "failed to change dir to $in_progress_dir"
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if command -v curl > /dev/null 2>&1; then
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echo "Using curl to download $distribution_url"
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case "$distribution_url" in
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*.zip)
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distribution_name=${distribution_url##*/}
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curl -C - "$distribution_url" -o "$distribution_name"
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tar -xzf "$distribution_name"
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;;
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*)
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curl -C - "$distribution_url" | tar -xzf -
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;;
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esac
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elif command -v wget > /dev/null 2>&1; then
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echo "Using wget to download $distribution_url"
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case "$distribution_url" in
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*.zip)
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distribution_name=${distribution_url##*/}
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wget -c "$distribution_url" -O "$distribution_name"
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tar -xzf "$distribution_name"
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;;
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*)
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wget -qO- -c "$distribution_url" | tar -xzf -
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;;
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esac
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else
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die "ERROR: Neither curl nor wget are installed, Could not set up JAVA_HOME"
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fi
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cd - || exit
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# Finding the java_home
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java_home=$(get_java_home "$in_progress_dir")
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"$java_home"/bin/java -cp "$scripts_dir"/gradle-jdks-setup.jar com.palantir.gradle.jdks.setup.GradleJdkInstallationSetup jdkSetup "$jdk_installation_directory" || die "Failed to set up JDK $jdk_installation_directory"
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echo "Successfully installed JDK distribution in $jdk_installation_directory"
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fi
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done
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}

‎gradle/gradle-jdks-setup.jar

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‎gradle/gradle-jdks-setup.sh

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#!/bin/sh
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#
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# (c) Copyright 2024 Palantir Technologies Inc. All rights reserved.
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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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#
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##############################################################################
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#
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# Gradle jdk set up script for POSIX generated by gradle-jdks.
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#
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# This script does the following:
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# (1) Downloads all the JDK distributions that are present in `gradle/jdks`
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# (2) Installs the distributions in a temporary directory
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# (3) Calls the java class `GradleJdkInstallationSetup` that will move each distribution to
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# `$GRADLE_USER_HOME/${local_path}` based on the local_path=`gradle/jdks/${majorVersion}/${os}/${arch}/local_path`
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# and it will set up the certificates based on `gradle/certs` entries for the locally installed distribution
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# (4) Sets `org.gradle.java.home` to the JDK distribution that is used by the Gradle Daemon
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#
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#
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# Important for running:
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# This script requires all of these POSIX shell features:
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# * functions;
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# * expansions «$var», «${var}», «${var%suffix}», and «$( cmd )»;
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# * compound commands having a testable exit status, especially «case»;
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# * various built-in commands including «command» and «set».
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#
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##############################################################################
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set -e
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# Set pipefail if it works in a subshell, disregard if unsupported
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# shellcheck disable=SC3040
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if (set -o pipefail 2>/dev/null); then
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set -o pipefail
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fi
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# Resolve links: $0 may be a link
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app_path=$0
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# Need this for daisy-chained symlinks.
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while
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APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path
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[ -h "$app_path" ]
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do
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ls=$( ls -ld "$app_path" )
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link=${ls#*' -> '}
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case $link in #(
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/*) app_path=$link ;; #(
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*) app_path=$APP_HOME$link ;;
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esac
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done
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APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
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APP_HOME=${APP_HOME%/gradle}
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APP_GRADLE_DIR="$APP_HOME"/gradle
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# Loading gradle jdk functions
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. "$APP_GRADLE_DIR"/gradle-jdks-functions.sh
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install_and_setup_jdks "$APP_GRADLE_DIR"
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gradle_daemon_jdk_version=$(read_value "$APP_GRADLE_DIR"/gradle-daemon-jdk-version)
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gradle_daemon_jdk_distribution_local_path=$(read_value "$APP_GRADLE_DIR"/jdks/"$gradle_daemon_jdk_version"/"$OS"/"$ARCH"/local-path)
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"$GRADLE_JDKS_HOME"/"$gradle_daemon_jdk_distribution_local_path"/bin/java -cp "$APP_GRADLE_DIR"/gradle-jdks-setup.jar com.palantir.gradle.jdks.setup.GradleJdkInstallationSetup daemonSetup "$APP_HOME" "$GRADLE_JDKS_HOME/$gradle_daemon_jdk_distribution_local_path"
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# [Used by ./gradlew only] Setting the Gradle Daemon Java Home to the JDK distribution
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set -- "-Dorg.gradle.java.home=$GRADLE_JDKS_HOME/$gradle_daemon_jdk_distribution_local_path" "$@"
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cleanup

‎gradle/jdks/11/linux-glibc/aarch64/download-url

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https://corretto.aws/downloads/resources/11.0.22.7.1/amazon-corretto-11.0.22.7.1-linux-aarch64.tar.gz

‎gradle/jdks/11/linux-glibc/aarch64/local-path

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amazon-corretto-11.0.22.7.1

‎gradle/jdks/11/linux-glibc/x86-64/download-url

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https://corretto.aws/downloads/resources/11.0.22.7.1/amazon-corretto-11.0.22.7.1-linux-x64.tar.gz

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