From 2b6554b5194c93d5cff4d5165f879f201349b32a Mon Sep 17 00:00:00 2001
From: Marc Weber <marco-oweber@gmx.de>
Date: Wed, 1 Apr 2009 20:28:04 +0000
Subject: [PATCH] allow specifying custom udev rules in
 /etc/nixos/configuration.nix

svn path=/nixos/branches/fix-style/; revision=14826
---
 upstart-jobs/udev.nix | 21 +++++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

diff --git a/upstart-jobs/udev.nix b/upstart-jobs/udev.nix
index 4765f29176e6..30fc42791715 100644
--- a/upstart-jobs/udev.nix
+++ b/upstart-jobs/udev.nix
@@ -22,10 +22,21 @@ let
         addUdevPkgs = mkOption {
           default = [];
           description = "
-            List of packages containing udev rules.
+            List of packages containing udev rules. All files found in $out/*/udev/rules.d/*.rules will be recognized
           ";
           merge = pkgs.lib.mergeListOption;
         };
+
+        extraRules = mkOption {
+          default = "";
+          example = ''
+            KERNEL=="eth*", ATTR{address}=="00:1D:60:B9:6D:4F", NAME="my_fast_network_card"
+          '';
+          description = "
+            Add custom rules. They'll be written into file 10-local.rules.
+            Thus they are read before all other rules.
+          ";
+        };
         
         sndMode = mkOption {
           default = "0600";
@@ -58,7 +69,13 @@ let
   };
 
   firmwareDirs = config.services.udev.addFirmware;
-  extraUdevPkgs = config.services.udev.addUdevPkgs;
+  extraUdevPkgs = config.services.udev.addUdevPkgs
+    ++ pkgs.lib.optional (cfg.extraRules != "")
+      (pkgs.writeTextFile {
+        name = "extra-udev-rules";
+        text = cfg.extraRules;
+        destination = "/custom/udev/rules.d/10-local.rules";
+        });
 
   modprobe = config.system.sbin.modprobe;