Github user andrewor14 commented on a diff in the pull request:
https://github.com/apache/spark/pull/4894#discussion_r25806676
--- Diff: core/src/main/scala/org/apache/spark/util/Utils.scala ---
@@ -639,19 +640,22 @@ private[spark] object Utils extends Logging {
fs: FileSystem,
conf: SparkConf,
hadoopConf: Configuration,
- fileOverwrite: Boolean): Unit = {
- if (!targetDir.mkdir()) {
+ fileOverwrite: Boolean,
+ filename: Option[String] = None): Unit = {
--- End diff --
can we add a comment that says this is only expected to be set if the path
describes a file, not a directory?
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