Use collectReachabilityMetadata task to add metadata to bootJar

Closes gh-32737

spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/docs/asciidoc/reacting.adoc

@@ -78,5 +78,6 @@ When the {nbt-gradle-plugin}[GraalVM Native Image plugin] is applied to a projec
 . Adds the output of the `aot` source set to the classpath of the `main` GraalVM native binary.
 . Adds the output of the `aotTest` source set to the classpath of the `test` GraalVM native binary.
 . Configures the GraalVM extension to disable Toolchain detection.
+. Configures the `bootJar` task to include the reachability metadata produced by the `collectReachabilityMetadata` task in its jar.
 
 

spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/main/java/org/springframework/boot/gradle/plugin/NativeImagePluginAction.java

@@ -16,22 +16,15 @@
 
 package org.springframework.boot.gradle.plugin;
 
-import java.io.File;
-import java.net.URI;
-import java.nio.file.Path;
-
 import org.graalvm.buildtools.gradle.NativeImagePlugin;
 import org.graalvm.buildtools.gradle.dsl.GraalVMExtension;
 import org.graalvm.buildtools.gradle.dsl.GraalVMReachabilityMetadataRepositoryExtension;
-import org.graalvm.buildtools.gradle.dsl.NativeImageOptions;
 import org.gradle.api.Action;
 import org.gradle.api.Plugin;
 import org.gradle.api.Project;
-import org.gradle.api.file.FileCopyDetails;
 import org.gradle.api.plugins.ExtensionAware;
 import org.gradle.api.plugins.JavaPlugin;
 import org.gradle.api.plugins.JavaPluginExtension;
-import org.gradle.api.provider.Property;
 import org.gradle.api.tasks.SourceSetContainer;
 import org.gradle.api.tasks.SourceSetOutput;
 
@@ -64,7 +57,7 @@ class NativeImagePluginAction implements PluginApplicationAction {
 			configureNativeBinaryClasspath(sourceSets, graalVmExtension, NativeImagePlugin.NATIVE_TEST_EXTENSION,
 					SpringBootAotPlugin.AOT_TEST_SOURCE_SET_NAME);
 			configureGraalVmReachabilityExtension(graalVmExtension);
-			copyReachabilityMetadataToBootJar(project, graalVmExtension);
+			copyReachabilityMetadataToBootJar(project);
 		});
 	}
 
@@ -86,33 +79,9 @@ class NativeImagePluginAction implements PluginApplicationAction {
 		extension.getEnabled().set(true);
 	}
 
-	private void copyReachabilityMetadataToBootJar(Project project, GraalVMExtension graalVmExtension) {
-		Path repositoryCacheDir = new File(project.getGradle().getGradleUserHomeDir(),
-				"native-build-tools/repositories").toPath();
-
-		project.getTasks().named(SpringBootPlugin.BOOT_JAR_TASK_NAME, BootJar.class).configure((bootJar) -> {
-			NativeImageOptions options = graalVmExtension.getBinaries().named(NativeImagePlugin.NATIVE_MAIN_EXTENSION)
-					.get();
-			GraalVMReachabilityMetadataRepositoryExtension metadataRepositoryExtension = ((ExtensionAware) graalVmExtension)
-					.getExtensions().getByType(GraalVMReachabilityMetadataRepositoryExtension.class);
-			Property<URI> metadataRepositoryUri = metadataRepositoryExtension.getUri();
-			bootJar.from(options.getConfigurationFileDirectories())
-					.eachFile((file) -> normalizePathIfNecessary(repositoryCacheDir, metadataRepositoryUri, file));
-		});
-	}
-
-	private void normalizePathIfNecessary(Path repositoryCacheDir, Property<URI> metadataRepositoryUri,
-			FileCopyDetails configurationFile) {
-		Path configurationFilePath = configurationFile.getFile().toPath();
-		Path repositoryMetadataRoot = ("file".equals(metadataRepositoryUri.get().getScheme()))
-				? Path.of(metadataRepositoryUri.get()) : repositoryCacheDir;
-		if (configurationFilePath.startsWith(repositoryMetadataRoot)) {
-			Path versionDir = configurationFilePath.getParent();
-			Path artifactDir = versionDir.getParent();
-			Path groupDir = artifactDir.getParent();
-			Path gavParentDir = groupDir.getParent();
-			configurationFile.setPath("/META-INF/native-image/" + gavParentDir.relativize(configurationFilePath));
-		}
+	private void copyReachabilityMetadataToBootJar(Project project) {
+		project.getTasks().named(SpringBootPlugin.BOOT_JAR_TASK_NAME, BootJar.class)
+				.configure((bootJar) -> bootJar.from(project.getTasks().named("collectReachabilityMetadata")));
 	}
 
 }