From 7fada97d50d3f33770b1caa993e9dec5d199ea3b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A1n=20Lu=C4=8Dansk=C3=BD?= <lucansky@gmail.com>
Date: Sun, 30 Dec 2018 10:36:00 +0100
Subject: [PATCH] fix duplicit woff2 mapping

---
 Source/Quartzmin/AppBuilderExtensions.cs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Source/Quartzmin/AppBuilderExtensions.cs b/Source/Quartzmin/AppBuilderExtensions.cs
index 2dd0a94..4477559 100644
--- a/Source/Quartzmin/AppBuilderExtensions.cs
+++ b/Source/Quartzmin/AppBuilderExtensions.cs
@@ -125,7 +125,9 @@ namespace Quartzmin
                 FileSystem = fs
             };
 
-            ((FileExtensionContentTypeProvider)fsOoptions.StaticFileOptions.ContentTypeProvider).Mappings.Add(".woff2", "application/font-woff2");
+            var mimeMap = ((FileExtensionContentTypeProvider)fsOoptions.StaticFileOptions.ContentTypeProvider).Mappings;
+            if (!mimeMap.ContainsKey(".woff2"))
+                mimeMap.Add(".woff2", "application/font-woff2");
 
             app.UseFileServer(fsOoptions);
         }