From 031dc1c1ff276e79cfef22e9b24c6173ef342c57 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Matthias=20Mail=C3=A4nder?= <matthias@mailaender.name>
Date: Sun, 31 May 2015 22:06:59 +0200
Subject: [PATCH] provide more useful exceptions

---
 OpenRA.Mods.Common/UtilityCommands/ReplayMetadataCommand.cs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/OpenRA.Mods.Common/UtilityCommands/ReplayMetadataCommand.cs b/OpenRA.Mods.Common/UtilityCommands/ReplayMetadataCommand.cs
index 0aabe5ea68..eaebfcf142 100644
--- a/OpenRA.Mods.Common/UtilityCommands/ReplayMetadataCommand.cs
+++ b/OpenRA.Mods.Common/UtilityCommands/ReplayMetadataCommand.cs
@@ -9,6 +9,7 @@
 #endregion
 
 using System;
+using System.IO;
 using OpenRA.FileFormats;
 
 namespace OpenRA.Mods.Common.UtilityCommands
@@ -21,6 +22,9 @@ namespace OpenRA.Mods.Common.UtilityCommands
 		public void Run(ModData modData, string[] args)
 		{
 			var replay = ReplayMetadata.Read(args[1]);
+			if (replay == null)
+				throw new InvalidDataException("Failed to read replay meta data");
+
 			var info = replay.GameInfo;
 
 			var lines = FieldSaver.Save(info).ToLines(replay.FilePath);