Github user tillrohrmann commented on a diff in the pull request: https://github.com/apache/flink/pull/3388#discussion_r102957246 --- Diff: flink-core/src/main/java/org/apache/flink/util/FileUtils.java --- @@ -258,7 +261,82 @@ public static boolean deletePathIfEmpty(FileSystem fileSystem, Path path) throws return false; } } - + + /** + * Check whether the two given filesystem is the same or not + * + * @param srcFs + * @param destFs + * @return + */ + public static boolean compareFs(FileSystem srcFs, FileSystem destFs) { + URI srcUri = srcFs.getUri(); + URI dstUri = destFs.getUri(); + + // check schema + if (srcUri.getScheme() == null) { --- End diff -- What if `srcFs.getScheme() == null` and `destFs.getScheme() == null`?
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