From 99afc4bef3e6d7c92ee3076fb37f2884e9ccfe03 Mon Sep 17 00:00:00 2001
From: Paul Kaplan <pkaplan@media.mit.edu>
Date: Tue, 19 Jun 2018 12:04:04 -0400
Subject: [PATCH] Make backpack web source adding idempotent

---
 src/containers/backpack.jsx | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/containers/backpack.jsx b/src/containers/backpack.jsx
index a489279b2..b6068cb5d 100644
--- a/src/containers/backpack.jsx
+++ b/src/containers/backpack.jsx
@@ -23,11 +23,13 @@ class Backpack extends React.Component {
         };
 
         // If a host is given, add it as a web source to the storage module
-        if (props.host) {
+        // TODO remove the hacky flag that prevents double adding
+        if (props.host && !storage._hasAddedBackpackSource) {
             storage.addWebSource(
                 [storage.AssetType.ImageVector, storage.AssetType.ImageBitmap, storage.AssetType.Sound],
                 asset => `${props.host}/${asset.assetId}.${asset.dataFormat}`
             );
+            storage._hasAddedBackpackSource = true;
         }
     }
     handleToggle () {