Add back line removed during YARN merge

project/SparkBuild.scala

@@ -48,6 +48,7 @@ object SparkBuild extends Build {
     scalacOptions := Seq("-unchecked", "-optimize", "-deprecation"),
     unmanagedJars in Compile <<= baseDirectory map { base => (base / "lib" ** "*.jar").classpath },
     retrieveManaged := true,
+    retrievePattern := "[type]s/[artifact](-[revision])(-[classifier]).[ext]",
     transitiveClassifiers in Scope.GlobalScope := Seq("sources"),
     testListeners <<= target.map(t => Seq(new eu.henkelmann.sbt.JUnitXmlTestsListener(t.getAbsolutePath))),