From b8627c33fbbfdf45edd2bf275710428758d7255a Mon Sep 17 00:00:00 2001
From: Unrud <unrud@outlook.com>
Date: Sat, 18 Aug 2018 14:08:02 +0200
Subject: [PATCH] prevent overwriting collections when uploading

---
 radicale/web/fn.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/radicale/web/fn.js b/radicale/web/fn.js
index 56aa929..d216dd6 100644
--- a/radicale/web/fn.js
+++ b/radicale/web/fn.js
@@ -284,6 +284,7 @@ function upload_collection(user, password, collection_href, file, callback) {
             callback(request.status + " " + request.statusText);
         }
     };
+    request.setRequestHeader("If-None-Match", "*");
     request.send(file);
     return request;
 }