From 8d6128208d2f59043c2d7253dc438bf9463b1c08 Mon Sep 17 00:00:00 2001
From: Deven Lahoti <deven.lahoti@gmail.com>
Date: Tue, 7 Aug 2018 23:07:13 -0400
Subject: [PATCH] nixos/wireless: add `extraConfig` section to
 `networking.wireless`

This allows the user to add `wpa_supplicant` config options not yet supported by Nix without having to write the entire `wpa_supplicant.conf` file manually.
---
 nixos/modules/services/networking/wpa_supplicant.nix | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/nixos/modules/services/networking/wpa_supplicant.nix b/nixos/modules/services/networking/wpa_supplicant.nix
index 4bae05b6dd30..c788528fa47b 100644
--- a/nixos/modules/services/networking/wpa_supplicant.nix
+++ b/nixos/modules/services/networking/wpa_supplicant.nix
@@ -8,6 +8,7 @@ let
     ${optionalString cfg.userControlled.enable ''
       ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=${cfg.userControlled.group}
       update_config=1''}
+    ${cfg.extraConfig}
     ${concatStringsSep "\n" (mapAttrsToList (ssid: config: with config; let
       key = if psk != null
         then ''"${psk}"''
@@ -165,6 +166,17 @@ in {
           description = "Members of this group can control wpa_supplicant.";
         };
       };
+      extraConfig = mkOption {
+        type = types.str;
+        default = "";
+        example = ''
+          p2p_disabled=1
+        '';
+        description = ''
+          Extra lines appended to the configuration file.
+          See wpa_supplicant.conf(5) for available options.
+        '';
+      };
     };
   };