Declare outputs for SmithyFormatTask and SmithyValidateTask

Author: haydenbaker

smithy-base/src/main/java/software/amazon/smithy/gradle/tasks/SmithyFormatTask.java

@@ -8,7 +8,10 @@
 import java.io.File;
 import javax.inject.Inject;
 import org.gradle.StartParameter;
+import org.gradle.api.file.FileCollection;
 import org.gradle.api.model.ObjectFactory;
+import org.gradle.api.provider.Property;
+import org.gradle.api.tasks.OutputDirectories;
 import org.gradle.api.tasks.TaskAction;
 import software.amazon.smithy.utils.ListUtils;
 
@@ -34,6 +37,11 @@ public SmithyFormatTask(ObjectFactory objectFactory, StartParameter startParamet
         setDescription(DESCRIPTION);
     }
 
+    @OutputDirectories
+    public Property<FileCollection> getFormattedModels() {
+        return getModels();
+    }
+
     @TaskAction
     public void execute() {
         writeHeading("Running smithy format");

smithy-base/src/main/java/software/amazon/smithy/gradle/tasks/SmithyValidateTask.java

@@ -17,6 +17,7 @@
 import org.gradle.api.tasks.InputFiles;
 import org.gradle.api.tasks.Internal;
 import org.gradle.api.tasks.Optional;
+import org.gradle.api.tasks.OutputFiles;
 import org.gradle.api.tasks.TaskAction;
 import software.amazon.smithy.model.validation.Severity;
 
@@ -74,6 +75,11 @@ public SmithyValidateTask(ObjectFactory objectFactory, StartParameter startParam
     @Optional
     public abstract Property<String> getSeverity();
 
+    @OutputFiles
+    public Property<FileCollection> getValidatedSources() {
+        return getSources();
+    }
+
     /**
      * Gets the classpath to use when executing the Smithy CLI.
      *

smithy-jar/src/main/java/software/amazon/smithy/gradle/SmithyJarPlugin.java

@@ -137,6 +137,8 @@ private void addJavaTasksForSourceSet(SourceSet sourceSet, SmithyBuildTask build
         TaskProvider<SmithyValidateTask> validateTaskProvider = project.getTasks()
                 .register(VALIDATE_JAR_TASK_NAME, SmithyValidateTask.class, validateTask -> {
                     validateTask.dependsOn(jarTask);
+                    validateTask.mustRunAfter(buildTask);
+                    jarTask.finalizedBy(validateTask);
 
                     // Only enable validation if the jar Task is also enabled
                     validateTask.setEnabled(jarTask.getEnabled());