Include in the appendix properties described using only manual metadata

Closes gh-48073

buildSrc/src/main/java/org/springframework/boot/build/context/properties/ConfigurationMetadataPlugin.java

@@ -20,6 +20,8 @@ import java.io.File;
 
 import org.gradle.api.Plugin;
 import org.gradle.api.Project;
+import org.gradle.api.attributes.Category;
+import org.gradle.api.attributes.Usage;
 import org.gradle.api.plugins.JavaPlugin;
 import org.gradle.api.plugins.JavaPluginExtension;
 import org.gradle.api.provider.Provider;
@@ -38,6 +40,8 @@ import org.gradle.language.jvm.tasks.ProcessResources;
  */
 public class ConfigurationMetadataPlugin implements Plugin<Project> {
 
+	private static final String CONFIGURATION_PROPERTIES_METADATA_CONFIGURATION_NAME = "configurationPropertiesMetadata";
+
 	/**
 	 * Name of the {@link CheckAdditionalSpringConfigurationMetadata} task.
 	 */
@@ -52,25 +56,38 @@ public class ConfigurationMetadataPlugin implements Plugin<Project> {
 		TaskProvider<CheckManualSpringConfigurationMetadata> checkConfigurationMetadata = project.getTasks()
 			.register(CHECK_MANUAL_SPRING_CONFIGURATION_METADATA_TASK_NAME,
 					CheckManualSpringConfigurationMetadata.class);
+		SourceSet mainSourceSet = project.getExtensions()
+			.getByType(JavaPluginExtension.class)
+			.getSourceSets()
+			.getByName(SourceSet.MAIN_SOURCE_SET_NAME);
+		Provider<File> manualMetadataLocation = project.getTasks()
+			.named(mainSourceSet.getProcessResourcesTaskName(), ProcessResources.class)
+			.map((processResources) -> new File(processResources.getDestinationDir(),
+					"META-INF/spring-configuration-metadata.json"));
 		checkConfigurationMetadata.configure((check) -> {
-			SourceSet mainSourceSet = project.getExtensions()
-				.getByType(JavaPluginExtension.class)
-				.getSourceSets()
-				.getByName(SourceSet.MAIN_SOURCE_SET_NAME);
-
-			Provider<File> manualMetadataLocation = project.getTasks()
-				.named(mainSourceSet.getProcessResourcesTaskName(), ProcessResources.class)
-				.map((processResources) -> new File(processResources.getDestinationDir(),
-						"META-INF/spring-configuration-metadata.json"));
 			check.getMetadataLocation().set(manualMetadataLocation);
 			check.getReportLocation()
 				.set(project.getLayout()
 					.getBuildDirectory()
 					.file("reports/manual-spring-configuration-metadata/check.txt"));
 		});
+		addMetadataArtifact(project, manualMetadataLocation);
 		project.getTasks()
 			.named(LifecycleBasePlugin.CHECK_TASK_NAME)
 			.configure((check) -> check.dependsOn(checkConfigurationMetadata));
 	}
 
+	private void addMetadataArtifact(Project project, Provider<File> metadataLocation) {
+		project.getConfigurations()
+			.consumable(CONFIGURATION_PROPERTIES_METADATA_CONFIGURATION_NAME, (configuration) -> {
+				configuration.attributes((attributes) -> {
+					attributes.attribute(Category.CATEGORY_ATTRIBUTE,
+							project.getObjects().named(Category.class, Category.DOCUMENTATION));
+					attributes.attribute(Usage.USAGE_ATTRIBUTE,
+							project.getObjects().named(Usage.class, "configuration-properties-metadata"));
+				});
+			});
+		project.getArtifacts().add(CONFIGURATION_PROPERTIES_METADATA_CONFIGURATION_NAME, metadataLocation);
+	}
+
 }