SAB test to warn if Category Local Path is set when connection is to localhost

src/NzbDrone.Core/Download/Clients/Sabnzbd/Sabnzbd.cs

@@ -361,6 +361,7 @@ namespace NzbDrone.Core.Download.Clients.Sabnzbd
             if (!Settings.TvCategoryLocalPath.IsNullOrWhiteSpace())
             {
                 failures.AddIfNotNull(TestFolder(Settings.TvCategoryLocalPath, "TvCategoryLocalPath"));
+                failures.AddIfNotNull(TestCategoryLocalPath());
             }
         }
 
@@ -460,5 +461,15 @@ namespace NzbDrone.Core.Download.Clients.Sabnzbd
 
             return null;
         }
+
+        private ValidationFailure TestCategoryLocalPath()
+        {
+            if (Settings.Host == "127.0.0.1" || Settings.Host == "localhost")
+            {
+                return new ValidationFailure("TvCategoryLocalPath", "Do not set when SABnzbd is running on the same system as NzbDrone");
+            }
+
+            return null;
+        }
     }
 }