From b824f87e7e6c2b692237fa29771b1c37f3330b6c Mon Sep 17 00:00:00 2001
From: Sergey Astanin <s.astanin@gmail.com>
Date: Wed, 3 Feb 2016 15:29:27 +0100
Subject: [PATCH] fix #24: crash on sync if cTag is missing

According to https://dev.onedrive.com/resources/item.htm
cTag property is not returned if the Item is a folder.
---
 src/sync.d | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/sync.d b/src/sync.d
index 1ce728f6..a169d0ab 100644
--- a/src/sync.d
+++ b/src/sync.d
@@ -180,7 +180,15 @@ final class SyncEngine
 			return;
 		}
 
-		string cTag = item["cTag"].str;
+		string cTag;
+                try {
+                        cTag = item["cTag"].str;
+                } catch (JSONException e) {
+                        // cTag is not returned if the Item is a folder
+                        // https://dev.onedrive.com/resources/item.htm
+                        cTag = "";
+                }
+
 		string mtime = item["fileSystemInfo"]["lastModifiedDateTime"].str;
 
 		string crc32;