From c406fcf1947f30b824449f30e7658bb2f7924419 Mon Sep 17 00:00:00 2001
From: Michael Raskin <7c6f434c@mail.ru>
Date: Wed, 27 Aug 2008 21:19:03 +0000
Subject: [PATCH] Some diagnostics for NixOS manual helper

svn path=/nixpkgs/trunk/; revision=12756
---
 pkgs/lib/default.nix | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pkgs/lib/default.nix b/pkgs/lib/default.nix
index cf0732ef8681..2f87de0cd0c6 100644
--- a/pkgs/lib/default.nix
+++ b/pkgs/lib/default.nix
@@ -454,7 +454,9 @@ rec {
   optionAttrSetToDocList = (l: attrs:
     (if (getAttr ["_type"] "" attrs) == "option" then
       [({
-	inherit (attrs) description;
+	#inherit (attrs) description;
+        description = if attrs ? description then attrs.description else 
+          throw ("No description ${toString l}");
       }
       //(if attrs ? example then {inherit(attrs) example;} else {} )
       //(if attrs ? default then {inherit(attrs) default;} else {} )