From 4dce560e7250c4bca92fdcacc4e33ee3bdf4f9de Mon Sep 17 00:00:00 2001
From: Tod Beardsley <todb@metasploit.com>
Date: Fri, 2 Mar 2012 12:20:29 -0600
Subject: [PATCH] Try to load msgpack first, if it's not there, bail

And tell the user how to fix. This has come up a couple times.
---
 msfgui | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/msfgui b/msfgui
index d76d621efa..ae4d04571d 100755
--- a/msfgui
+++ b/msfgui
@@ -7,6 +7,12 @@
 # $Revision$
 #
 
+begin
+	require 'msgpack'
+rescue LoadError
+	raise LoadError, "Missing msgpack gem, try 'gem install msgpack' to use MSFGui"
+end
+
 msfbase = __FILE__
 while File.symlink?(msfbase)
 	msfbase = File.expand_path(File.readlink(msfbase), File.dirname(msfbase))