From 91bb940160427792d4515391c55fde2b4c108cb0 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Thu, 15 Aug 2013 16:37:30 +0200
Subject: [PATCH] mousepad: Don't segfault at startup

---
 pkgs/desktops/xfce/applications/mousepad.nix | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/pkgs/desktops/xfce/applications/mousepad.nix b/pkgs/desktops/xfce/applications/mousepad.nix
index 9bc9634469c..5248d6567d2 100644
--- a/pkgs/desktops/xfce/applications/mousepad.nix
+++ b/pkgs/desktops/xfce/applications/mousepad.nix
@@ -12,10 +12,14 @@ stdenv.mkDerivation rec {
   };
   name = "${p_name}-${ver_maj}.${ver_min}";
 
-  buildInputs = [
-    pkgconfig intltool libxfce4util libxfcegui4
-    gtk gtksourceview dbus dbus_glib
-  ];
+  buildInputs =
+    [ pkgconfig intltool libxfce4util libxfcegui4
+      gtk gtksourceview dbus dbus_glib
+    ];
+
+  # Propagate gtksourceview into $XDG_DATA_DIRS to provide syntax
+  # highlighting (in fact Mousepad segfaults without it).
+  propagatedUserEnvPkgs = [ gtksourceview ];
 
   meta = {
     homepage = http://www.xfce.org/;