From e9ecaa70f7722b26f6a164c1f3b62751304df3a6 Mon Sep 17 00:00:00 2001
From: Martino Facchin <m.facchin@arduino.cc>
Date: Fri, 18 Jan 2019 10:12:13 +0100
Subject: [PATCH] Check for containing folder existence before listing files

Fix #8389
---
 arduino-core/src/processing/app/helpers/FileUtils.java | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arduino-core/src/processing/app/helpers/FileUtils.java b/arduino-core/src/processing/app/helpers/FileUtils.java
index 5e30319dc..b668d545e 100644
--- a/arduino-core/src/processing/app/helpers/FileUtils.java
+++ b/arduino-core/src/processing/app/helpers/FileUtils.java
@@ -344,6 +344,9 @@ public class FileUtils {
   public static List<File> listFiles(File folder, boolean recursive,
                                      List<String> extensions) {
     List<File> result = new ArrayList<>();
+    if (!folder.exists()) {
+      return result;
+    }
 
     for (File file : folder.listFiles()) {
       if (isSCCSOrHiddenFile(file))