From a09df566f259955024bd2e7e6441edad9afe3dd2 Mon Sep 17 00:00:00 2001
From: Gordon Williams <gw@pur3.co.uk>
Date: Wed, 30 Mar 2022 14:36:52 +0100
Subject: [PATCH] ignore backup files of length 0, fix #1593

---
 backup.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/backup.js b/backup.js
index 75e236049..8a894666e 100644
--- a/backup.js
+++ b/backup.js
@@ -79,7 +79,9 @@ function bangleUpload() {
         .then(() => file.async("string"))
         .then(data => {
           console.log("decoded", path);
-          if (path.startsWith(BACKUP_STORAGEFILE_DIR)) {
+          if (data.length==0) { // https://github.com/espruino/BangleApps/issues/1593
+            console.log("Can't restore files of length 0, ignoring "+path);
+          } else if (path.startsWith(BACKUP_STORAGEFILE_DIR)) {
             path = path.substr(BACKUP_STORAGEFILE_DIR.length+1);
             cmds += AppInfo.getStorageFileUploadCommands(path, data)+"\n";
           } else if (!path.includes("/")) {