do not run compiler/enhancer when there are no inputs

xtext · Dec 1, 2014 · e89821d · e89821d
1 parent 27e5e8b
commit e89821d
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Showing 3 changed files with 15 additions and 7 deletions.
diff --git a/build.gradle b/build.gradle
@@ -16,7 +16,7 @@ subprojects {
 	apply plugin: 'de.oehme.sobula.bintray-release'
 
 	group = "org.xtend"
-  version = "0.3.3"
+  version = "0.3.4"
 
 	repositories {
     jcenter()
@@ -30,6 +30,6 @@ configure(subprojects.findAll{p-> p.name.contains('plugin')}){
 	apply plugin: 'org.xtend.xtend'
 
 	dependencies {
-    compile 'org.eclipse.xtend:org.eclipse.xtend.lib:2.7.2'
+    compile 'org.eclipse.xtend:org.eclipse.xtend.lib:2.7.3'
   }
 }
diff --git a/xtend-gradle-plugin/src/main/java/org/xtend/gradle/tasks/XtendCompile.xtend b/xtend-gradle-plugin/src/main/java/org/xtend/gradle/tasks/XtendCompile.xtend
@@ -9,20 +9,22 @@ import org.gradle.api.tasks.InputFiles
 import org.gradle.api.tasks.Optional
 import org.gradle.api.tasks.OutputDirectory
 import org.gradle.api.tasks.TaskAction
+import org.gradle.api.tasks.SkipWhenEmpty
 
 class XtendCompile extends XtendTask {
 	@InputFiles @Accessors SourceDirectorySet srcDirs
 	@InputFiles @Accessors FileCollection classpath
 	@InputFiles @Optional @Accessors String bootClasspath
 	@OutputDirectory @Accessors File targetDir
 	@Input @Accessors String encoding
-
+
+	@InputFiles @SkipWhenEmpty
+	def getXtendSources() {
+		getSrcDirs.filter[path.endsWith(".xtend")]
+	}
+
 	@TaskAction
 	def compile() {
-		if (getSrcDirs.isEmpty) {
-			logger.info("Nothing to compile")
-			return
-		}
 		val sourcePath = getSrcDirs.srcDirTrees.filter[dir.exists].map[dir.absolutePath].join(File.pathSeparator)
 		val compilerArguments = newArrayList(
 			"-cp",

diff --git a/xtend-gradle-plugin/src/main/java/org/xtend/gradle/tasks/XtendEnhance.xtend b/xtend-gradle-plugin/src/main/java/org/xtend/gradle/tasks/XtendEnhance.xtend
@@ -10,13 +10,19 @@ import org.gradle.api.tasks.OutputDirectory
 import org.gradle.api.tasks.TaskAction
 
 import static extension org.xtend.gradle.GradleExtensions.*
+import org.gradle.api.tasks.SkipWhenEmpty
 
 class XtendEnhance extends XtendTask {
 	@InputFiles @Accessors FileCollection sourceFolders;
 	@Input @Accessors File classesFolder;
 	@OutputDirectory @Accessors File targetFolder
 	@Input @Accessors Boolean hideSyntheticVariables;
 	@Input @Accessors Boolean xtendAsPrimaryDebugSource;
+
+	@InputFiles @SkipWhenEmpty
+	def getTraceFiles() {
+		getSourceFolders.filter[exists].map[project.fileTree(it).filter[path.endsWith("._trace")]].reduce[$0.plus($1)]
+	}
 
 	@TaskAction
 	def enhance() {