Github user yhuai commented on a diff in the pull request:
https://github.com/apache/spark/pull/9367#discussion_r44880215
--- Diff: core/src/main/scala/org/apache/spark/TestUtils.scala ---
@@ -78,15 +79,15 @@ private[spark] object TestUtils {
}
/**
- * Create a jar file that contains this set of files. All files will be
located at the root
- * of the jar.
+ * Create a jar file that contains this set of files. All files will be
located in the specified
+ * directory or at the root of the jar.
*/
- def createJar(files: Seq[File], jarFile: File): URL = {
+ def createJar(files: Seq[File], jarFile: File, directoryPrefix:
Option[String] = None): URL = {
--- End diff --
Do we need to add `directoryPrefix`?
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