From bdfda460e67a57d4976a35ddc752b3c7c1352b0d Mon Sep 17 00:00:00 2001
From: Christian Kamm <mail@ckamm.de>
Date: Tue, 18 Dec 2018 10:31:17 +0100
Subject: [PATCH] Vfs plugins: Available plugins must load

A plugin that can't be loaded due to dependency issues should not be
considered as available.
---
 src/common/vfs.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/common/vfs.cpp b/src/common/vfs.cpp
index a1ad02efe..4f3b6fadc 100644
--- a/src/common/vfs.cpp
+++ b/src/common/vfs.cpp
@@ -107,6 +107,13 @@ bool OCC::isVfsPluginAvailable(Vfs::Mode mode)
         return false;
     }
 
+    // Attempting to load the plugin is essential as it could have dependencies that
+    // can't be resolved and thus not be available after all.
+    if (!loader.load()) {
+        qCWarning(lcPlugin) << "Plugin failed to load:" << loader.errorString();
+        return false;
+    }
+
     return true;
 }
 
-- 
2.30.2