From ef67b8481eb7e555cf308c64e3ef7ec71739d90d Mon Sep 17 00:00:00 2001
From: Nick O'Leary <nick.oleary@gmail.com>
Date: Fri, 11 Sep 2020 13:26:00 +0100
Subject: [PATCH] Check file exists before trying to take backup

---
 .../@node-red/runtime/lib/storage/localfilesystem/util.js       | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/node_modules/@node-red/runtime/lib/storage/localfilesystem/util.js b/packages/node_modules/@node-red/runtime/lib/storage/localfilesystem/util.js
index d07d40868..65a3c40e4 100644
--- a/packages/node_modules/@node-red/runtime/lib/storage/localfilesystem/util.js
+++ b/packages/node_modules/@node-red/runtime/lib/storage/localfilesystem/util.js
@@ -80,7 +80,7 @@ module.exports = {
     */
     writeFile: function(path,content,backupPath) {
         var backupPromise;
-        if (backupPath) {
+        if (backupPath && fs.existsSync(path)) {
             backupPromise = fs.copy(path,backupPath);
         } else {
             backupPromise = Promise.resolve();