From 9ff982e4abe6a2d01d30bb7d7d53fa53664436d9 Mon Sep 17 00:00:00 2001
From: Michael Raskin <7c6f434c@mail.ru>
Date: Tue, 15 Sep 2009 08:55:41 +0000
Subject: [PATCH] Require AUFS2 support in kernel

svn path=/nixpkgs/trunk/; revision=17150
---
 pkgs/os-specific/linux/aufs2-utils/default.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/os-specific/linux/aufs2-utils/default.nix b/pkgs/os-specific/linux/aufs2-utils/default.nix
index ce2f2c1515a4..052654752bf2 100644
--- a/pkgs/os-specific/linux/aufs2-utils/default.nix
+++ b/pkgs/os-specific/linux/aufs2-utils/default.nix
@@ -1,4 +1,6 @@
 a :  
+if (a.lib.attrByPath ["features" "zen"] false a.kernel) ||
+  (a.lib.attrByPath ["features" "aufs"] false a.kernel) then
 let 
   s = import ./src-for-default.nix;
   buildInputs = with a; [
@@ -33,3 +35,4 @@ rec {
       linux;
   };
 }
+else throw "Kernel doesn't support AUFS"