From e6657cd46a6b97153f80006144fe6293f715bb7d Mon Sep 17 00:00:00 2001
From: tv <tv@krebsco.de>
Date: Wed, 16 Mar 2016 01:52:34 +0100
Subject: krebs lib += getAttrDef

---
 krebs/4lib/default.nix | 1 +
 1 file changed, 1 insertion(+)

(limited to 'krebs/4lib')

diff --git a/krebs/4lib/default.nix b/krebs/4lib/default.nix
index e984614a0..585bd313f 100644
--- a/krebs/4lib/default.nix
+++ b/krebs/4lib/default.nix
@@ -41,6 +41,7 @@ let out = rec {
     mapAttrs (name: _: path + "/${name}")
              (filterAttrs (_: eq "directory") (readDir path));
 
+  getAttrDef = name: set: set.${name} or set.default or null;
   mapAttrValues = f: mapAttrs (_: f);
   setAttr = name: value: set: set // { ${name} = value; };
 
-- 
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