From dbefab9cf42c09444dd2554380104096969c0728 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Mon, 28 Oct 2013 19:47:40 +0100
Subject: [PATCH] Do not allow multiple definitions of IP addresses etc. within
 an interface

---
 nixos/modules/tasks/network-interfaces.nix | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/nixos/modules/tasks/network-interfaces.nix b/nixos/modules/tasks/network-interfaces.nix
index 0767c3db1fec..16671cb37437 100644
--- a/nixos/modules/tasks/network-interfaces.nix
+++ b/nixos/modules/tasks/network-interfaces.nix
@@ -14,14 +14,14 @@ let
 
       name = mkOption {
         example = "eth0";
-        type = types.string;
+        type = types.uniq types.string;
         description = "Name of the interface.";
       };
 
       ipAddress = mkOption {
         default = null;
         example = "10.0.0.1";
-        type = types.nullOr types.string;
+        type = types.nullOr (types.uniq types.string);
         description = ''
           IP address of the interface.  Leave empty to configure the
           interface using DHCP.
@@ -41,7 +41,7 @@ let
       subnetMask = mkOption {
         default = "";
         example = "255.255.255.0";
-        type = types.string;
+        type = types.uniq types.string;
         description = ''
           Subnet mask of the interface, specified as a bitmask.
           This is deprecated; use <option>prefixLength</option>
@@ -52,7 +52,7 @@ let
       macAddress = mkOption {
         default = null;
         example = "00:11:22:33:44:55";
-        type = types.nullOr types.string;
+        type = types.nullOr (types.uniq types.string);
         description = ''
           MAC address of the interface. Leave empty to use the default.
         '';