Github user vanzin commented on a diff in the pull request:
https://github.com/apache/spark/pull/4880#discussion_r25743304
--- Diff: core/src/main/scala/org/apache/spark/util/Utils.scala ---
@@ -643,7 +645,12 @@ private[spark] object Utils extends Logging {
fileOverwrite)
} else {
val in = fs.open(innerPath)
- val targetFile = new File(targetDir, innerPath.getName)
+ val targetFile: File =
+ if (!filename.isEmpty) {
+ new File(targetDir, filename)
+ } else {
+ new File(targetDir, innerPath.getName)
+ }
--- End diff --
Yes, the problem here is that now `targetDir` is the parent directory of
where `path` should be, and the children are being written directly to that
parent path. It needs some code to create this directory corresponding to
`path` before downloading the children.
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