From 57ed52d61f11d01ed1f590ef4d2d9dbc0d740177 Mon Sep 17 00:00:00 2001
From: Richard Marko <srk@48.io>
Date: Tue, 3 Jul 2018 00:40:57 +0200
Subject: [PATCH] nixos/gpsd-service: add services.gpsd.nowait option

---
 nixos/modules/services/misc/gpsd.nix | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/nixos/modules/services/misc/gpsd.nix b/nixos/modules/services/misc/gpsd.nix
index 71de08609073..80f5501ec1d8 100644
--- a/nixos/modules/services/misc/gpsd.nix
+++ b/nixos/modules/services/misc/gpsd.nix
@@ -53,6 +53,14 @@ in
         '';
       };
 
+      nowait = mkOption {
+        type = types.bool;
+        default = false;
+        description = ''
+          don't wait for client connects to poll GPS
+        '';
+      };
+
       port = mkOption {
         type = types.int;
         default = 2947;
@@ -100,6 +108,7 @@ in
           ${pkgs.gpsd}/sbin/gpsd -D "${toString cfg.debugLevel}"  \
             -S "${toString cfg.port}"                             \
             ${if cfg.readonly then "-b" else ""}                  \
+            ${if cfg.nowait   then "-n" else ""}                  \
             "${cfg.device}"
         '';
       };