add sway on hopper

sys/machines/hopper/default.nix

@@ -1,6 +1,7 @@
 {
   inputs,
   systemProfiles,
+  lib,
   ...
 }: {
   imports = with systemProfiles; [
@@ -9,6 +10,7 @@
 
     ./hardware.nix
     ./lab
+    ./desktop.nix
 
     secrets.default
     secrets.hopper
@@ -19,6 +21,10 @@
     core.ssh
     core.deploy
 
+    hardware.graphics
+    hardware.steam-hardware
+    hardware.bluetooth
+
     nix.default # TODO slim this down
 
     network.tailscale
@@ -28,6 +34,17 @@
     # services.syncthing # TODO make syncthing not rely on having "xun" user
   ];
 
+  nixpkgs.config = {
+    allowUnfreePredicate = pkg:
+      builtins.elem (lib.getName pkg) [
+        "nvidia-x11"
+        "nvidia-settings"
+
+        "stremio-shell"
+        "stremio-server"
+      ];
+  };
+
   networking.hostName = "hopper";
 
   swapDevices = [];

sys/machines/hopper/desktop.nix

@@ -0,0 +1,46 @@
+{
+  pkgs,
+  lib,
+  config,
+  inputs,
+  ...
+}: {
+  users.users.desktop = {
+    isNormalUser = true;
+    useDefaultShell = true;
+    createHome = true;
+    extraGroups = [
+      "input"
+      "video"
+      "render"
+      "audio"
+    ];
+  };
+
+  environment.systemPackages = with pkgs; [
+    firefox
+    stremio
+  ];
+
+  environment.etc."sway/config.d/custom.conf".text = ''
+    output HDMI-A-1 {
+      scale 2.0
+    }
+  '';
+
+  services.greetd = {
+    enable = true;
+    settings = {
+      default_session = {
+        command = lib.getExe config.programs.sway.package;
+        user = "desktop";
+      };
+    };
+  };
+
+  programs.sway = {
+    enable = true;
+    wrapperFeatures.gtk = true;
+    extraOptions = ["--unsupported-gpu"];
+  };
+}