From 5bf076d99be930a0960e889fc672e31c70a7e4a7 Mon Sep 17 00:00:00 2001
From: Rickard Nilsson <rickynils@gmail.com>
Date: Fri, 30 May 2014 10:17:08 +0200
Subject: [PATCH] sane: Make SANE_CONFIG_DIR overrideable

---
 nixos/modules/services/hardware/sane.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/nixos/modules/services/hardware/sane.nix b/nixos/modules/services/hardware/sane.nix
index 56e28b50350b..f7b25c187877 100644
--- a/nixos/modules/services/hardware/sane.nix
+++ b/nixos/modules/services/hardware/sane.nix
@@ -43,7 +43,7 @@ in
 
     environment.systemPackages = backends;
     environment.variables = {
-      SANE_CONFIG_DIR = "${saneConfig}/etc/sane.d";
+      SANE_CONFIG_DIR = mkDefault "${saneConfig}/etc/sane.d";
       LD_LIBRARY_PATH = [ "${saneConfig}/lib/sane" ];
     };
     services.udev.packages = backends;