Enable fprintd for fingerprints with overlay patch. Change suspend delay on lid close from 5 to 10. Tell HM to use global packages.

configuration.nix

@@ -60,6 +60,9 @@
     config.common.default = "*";
   };
 
+  # Home manager: make user home-manager configs use system nixpkgs
+  home-manager.useGlobalPkgs = true;
+
   ###################################
   # SECTION 2: HARDWARE CONFIGURATION
   ###################################
@@ -96,7 +99,7 @@
   };
 
   # Enable fingerprint reader
-  # services.fprintd.enable = true;
+  services.fprintd.enable = true;
   
   # Enable Bluetooth.
   hardware.bluetooth.enable = true;
@@ -119,8 +122,10 @@
   security.pam.services.swaylock = { };
 
   # Make sure suspend actually happens
+  # what this does is set the time it waits before sleeping to 10 (default 30)
+  # default is 30 for, say, if you plug in an external monitor after shutting the lid
   services.logind.extraConfig = ''
-    InhibitDelayMaxSec=5
+    InhibitDelayMaxSec=10
   '';
   
   # Allow steam to run nonfree 
@@ -128,6 +133,16 @@
   #   "steam" "steam-original" "steam-run" "zoom-5.16.10.668"
   # ];
   nixpkgs.config.allowUnfreePredicate = _: true;
+  nixpkgs.overlays = [
+      (final: prev: {
+          fprintd = prev.fprintd.overrideAttrs (old: {
+                mesonCheckFlags = (old.mesonCheckFlags or [ ]) ++ [
+    			# PAM related checks are timing out
+    			"--no-suite" "fprintd:TestPamFprintd"
+  		];
+          });
+      })
+  ];
 
   # List packages installed in system profile. To search, run:
   # $ nix search wget

flake.nix

@@ -23,16 +23,12 @@
   outputs = { self, nixpkgs, home-manager }:
     let
       system = "x86_64-linux";
-      # overlays = [ (final: prev: { xdgTerminalExec = xdg-terminal-exec.defaultPackage; }) ];
     in
   {
     nixosConfigurations = {
       oyvoLaptop = nixpkgs.lib.nixosSystem {
         inherit system;
         modules = [
-	  # ({pkgs, ...}: {
-	  #   nixpkgs.overlays = overlays;
-	  # })
           ./configuration.nix
           home-manager.nixosModules.home-manager
 	  # nur.nixosModules.nur

home.nix

@@ -104,8 +104,10 @@ in
       { event = "before-sleep"; command = "${pkgs.lib.getExe pkgs.swaylock} -f"; }
     ];
   };
-  
-  # programs.waybar = import ./wayland/waybar.nix { inherit config lib pkgs; };
+
+  home.sessionVariables = {
+      NIXOS_OZONE_WL = "1";
+  };
   
   # configure fonts correctly
   fonts.fontconfig.enable = true;