Call Task.usesService wherever the service is used.

Author: nedtwigg

plugin-gradle/src/main/java/com/diffplug/gradle/spotless/RegisterDependenciesTask.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2021 DiffPlug
+ * Copyright 2016-2022 DiffPlug
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -64,6 +64,7 @@ void setup() {
 		String compositeBuildSuffix = getName().substring(TASK_NAME.length()); // see https://github.com/diffplug/spotless/pull/1001
 		BuildServiceRegistry buildServices = getProject().getGradle().getSharedServices();
 		getTaskService().set(buildServices.registerIfAbsent("SpotlessTaskService" + compositeBuildSuffix, SpotlessTaskService.class, spec -> {}));
+		usesService(getTaskService());
 		getBuildEventsListenerRegistry().onTaskCompletion(getTaskService());
 		unitOutput = new File(getProject().getBuildDir(), "tmp/spotless-register-dependencies");
 	}

plugin-gradle/src/main/java/com/diffplug/gradle/spotless/SpotlessTaskImpl.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2021 DiffPlug
+ * Copyright 2016-2022 DiffPlug
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -46,6 +46,7 @@ public abstract class SpotlessTaskImpl extends SpotlessTask {
 	abstract DirectoryProperty getProjectDir();
 
 	void init(Provider<SpotlessTaskService> service) {
+		usesService(service);
 		getTaskService().set(service);
 		getProjectDir().set(getProject().getProjectDir());
 	}

plugin-gradle/src/main/java/com/diffplug/gradle/spotless/SpotlessTaskService.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 DiffPlug
+ * Copyright 2021-2022 DiffPlug
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -105,6 +105,7 @@ static abstract class ClientTask extends DefaultTask {
 		protected abstract ObjectFactory getConfigCacheWorkaround();
 
 		void init(SpotlessTaskImpl impl) {
+			usesService(impl.getTaskService());
 			getSpotlessOutDirectory().set(impl.getOutputDirectory());
 			getTaskService().set(impl.getTaskService());
 			getProjectDir().set(impl.getProjectDir());