Set redshift location automatically

modules/gui.nix

@@ -1,5 +1,7 @@
 { config, lib, pkgs, ... }:
 
+with pkgs;
+
 {
   # Display manager
   services.xserver.enable = true;
@@ -18,7 +20,7 @@
   # Window manager
   programs.sway = {
     enable = true;
-    extraPackages = with pkgs; [
+    extraPackages = [
       xwayland
       swaylock
       swayidle
@@ -52,15 +54,11 @@
   programs.light.enable = true;
 
   # Blue light filter
-  location = {
+  location.provider = "geoclue2";
-    latitude = 51.05;
-    longitude = 3.71;
-    provider = "manual";
-  };
 
   services.redshift = {
-    package = pkgs.gammastep;
     enable = true;
+    package = gammastep;
     executable = "/bin/gammastep";
     temperature = {
       day = 6500;
@@ -123,6 +121,6 @@
   # Enable WebRTC screensharing
   xdg.portal = {
     enable = true;
-    extraPortals = with pkgs; [ xdg-desktop-portal-wlr ];
+    extraPortals = [ xdg-desktop-portal-wlr ];
   };
 }