Upgrade gradle 8.4

- Other than gradle itself, some changes are taken
  from main to support building samples with native.
- Fixes #1001

buildSrc/build.gradle

@@ -19,14 +19,17 @@ ext {
 		def properties = new Properties()
 		properties.load(it)
 		set("springBootVersion", properties["springBootVersion"])
+		set("nativeBuildToolsVersion", properties["nativeBuildToolsVersion"])
 	}
 }
 
 dependencies {
 	implementation(platform("org.springframework.boot:spring-boot-dependencies:${springBootVersion}"))
+	implementation "org.springframework.boot:spring-boot-gradle-plugin:${springBootVersion}"
 	implementation("org.springframework:spring-core")
 	implementation 'org.asciidoctor:asciidoctor-gradle-jvm:3.3.2'
 	implementation 'org.jfrog.buildinfo:build-info-extractor-gradle:4.29.0'
+	implementation "org.graalvm.buildtools:native-gradle-plugin:${nativeBuildToolsVersion}"
 }
 
 gradlePlugin {

buildSrc/src/main/java/org/springframework/shell/gradle/SamplePlugin.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2022 the original author or authors.
+ * Copyright 2022-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -15,21 +15,75 @@
  */
 package org.springframework.shell.gradle;
 
+import org.graalvm.buildtools.gradle.NativeImagePlugin;
+import org.graalvm.buildtools.gradle.dsl.GraalVMExtension;
 import org.gradle.api.Plugin;
 import org.gradle.api.Project;
 import org.gradle.api.plugins.JavaPlugin;
 import org.gradle.api.plugins.PluginManager;
+import org.springframework.boot.gradle.dsl.SpringBootExtension;
+import org.springframework.boot.gradle.plugin.SpringBootPlugin;
+import org.springframework.boot.gradle.tasks.bundling.BootJar;
 
 /**
  * @author Janne Valkealahti
  */
 class SamplePlugin implements Plugin<Project> {
 
+	private static final String NATIVE = "springShellSampleNative";
+	private static final String E2E = "springShellSampleE2E";
+	private static final String MUSL = "springShellSampleMusl";
+
 	@Override
 	public void apply(Project project) {
 		PluginManager pluginManager = project.getPluginManager();
 		pluginManager.apply(JavaPlugin.class);
 		pluginManager.apply(ManagementConfigurationPlugin.class);
+		pluginManager.apply(SpringBootPlugin.class);
+		if (isEnabled(project, NATIVE)) {
+			pluginManager.apply(NativeImagePlugin.class);
+			customizeNative(project);
+		}
+		configureBootJar(project);
+		configureBootBuildInfo(project);
 		new JavaConventions().apply(project);
 	}
+
+	private void configureBootJar(Project project) {
+		if (isEnabled(project, E2E)) {
+			project.getTasks().withType(BootJar.class, (bootJar) -> {
+				String name = String.format("%s.%s", bootJar.getArchiveBaseName().get(),
+						bootJar.getArchiveExtension().get());
+				bootJar.getArchiveFileName().set(name);
+			});
+		}
+	}
+
+	private void configureBootBuildInfo(Project project) {
+		SpringBootExtension extension = project.getExtensions().getByType(SpringBootExtension.class);
+		extension.buildInfo(buildInfo -> {
+			buildInfo.getExcludes().add("time");
+		});
+	}
+
+	private void customizeNative(Project project) {
+		project.getPlugins().withType(NativeImagePlugin.class).all(nativePlugin -> {
+			configureGraalVmExtension(project);
+		});
+	}
+
+	private void configureGraalVmExtension(Project project) {
+		GraalVMExtension extension = project.getExtensions().getByType(GraalVMExtension.class);
+		if (isEnabled(project, MUSL)) {
+			extension.getBinaries().getByName(NativeImagePlugin.NATIVE_MAIN_EXTENSION).buildArgs("--static",
+					"--libc=musl");
+		}
+	}
+
+	private boolean isEnabled(Project project, String property) {
+		if (project.hasProperty(property)) {
+			return Boolean.valueOf(String.valueOf(project.findProperty(property)));
+		}
+		return false;
+	}
 }