From 84c9910da9533b9b08fc5a40f693d6763152b331 Mon Sep 17 00:00:00 2001
From: Antonio Rojas <arojas@archlinux.org>
Date: Sun, 8 Jan 2017 19:38:42 +0100
Subject: [PATCH] Avoid duplicates in the available backends list

If a generator can open multiple mime types that match the same file, avoid showing a backend chooser dialog with multiple instances of the same
backend

REVIEW: 129791
BUG: 374650
---
 core/document.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/core/document.cpp b/core/document.cpp
index 19526627b..8a6a0fd2b 100644
--- a/core/document.cpp
+++ b/core/document.cpp
@@ -2196,11 +2196,11 @@ KPluginMetaData DocumentPrivate::generatorForMimeType(const QMimeType& type, QWi
         foreach (const QString& supported, md.mimeTypes())
         {
             QMimeType mimeType = mimeDatabase.mimeTypeForName(supported);
-            if (mimeType == type) {
+            if (mimeType == type && !exactMatches.contains(md)) {
                 exactMatches << md;
             }
 
-            if (type.inherits(supported))
+            if (type.inherits(supported) && !offers.contains(md))
             {
                 offers << md;
             }