Merge pull request #139 from /issues/138

Fix Gradle bug: SourceSets added after plugin loading don't get tasks.
This closes #138.

src/main/resources/de/thetaphi/forbiddenapis/gradle/plugin-init.groovy

@@ -43,10 +43,16 @@ def extensionProps = CheckForbiddenApisExtension.class.declaredFields.findAll{ f
  return Modifier.isPublic(mods) && !f.synthetic && !Modifier.isStatic(mods)
 }*.name;
 
+// Create a convenience task for all checks (this does not conflict with extension, as it has higher priority in DSL):
+def forbiddenTask = project.tasks.create(FORBIDDEN_APIS_TASK_NAME) {
+ description = "Runs forbidden-apis checks.";
+ group = JavaBasePlugin.VERIFICATION_GROUP;
+}
+
 // Define our tasks (one for each SourceSet):
-def forbiddenTasks = project.sourceSets.collect{ sourceSet ->
+project.sourceSets.all{ sourceSet ->
  def getSourceSetClassesDirs = { sourceSet.output.hasProperty('classesDirs') ? sourceSet.output.classesDirs : project.files(sourceSet.output.classesDir) }
- project.tasks.create(sourceSet.getTaskName(FORBIDDEN_APIS_TASK_NAME, null), CheckForbiddenApis.class) {
+ project.tasks.create(sourceSet.getTaskName(FORBIDDEN_APIS_TASK_NAME, null), CheckForbiddenApis.class) { task ->
  description = "Runs forbidden-apis checks on '${sourceSet.name}' classes.";
  conventionMapping.with{
  extensionProps.each{ key ->
@@ -60,18 +66,12 @@ def forbiddenTasks = project.sourceSets.collect{ sourceSet ->
  project.afterEvaluate{
  def sourceSetDirs = getSourceSetClassesDirs().files;
  if (classesDirs.any{ sourceSetDirs.contains(it) }) {
- dependsOn(sourceSet.output);
+ task.dependsOn(sourceSet.output);
  }
  }
+ forbiddenTask.dependsOn(task);
  }
 }
 
-// Create a convenience task for all checks (this does not conflict with extension, as it has higher priority in DSL):
-def forbiddenTask = project.tasks.create(FORBIDDEN_APIS_TASK_NAME) {
- description = "Runs forbidden-apis checks.";
- group = JavaBasePlugin.VERIFICATION_GROUP;
- dependsOn(forbiddenTasks);
-}
-
 // Add our task as dependency to chain
 project.tasks[JavaBasePlugin.CHECK_TASK_NAME].dependsOn(forbiddenTask);