common: move to modules, move some files out, modules: adjust dir structure

modules/nixos/system/default.nix

@@ -0,0 +1,12 @@
+{ config, ... }:
+
+{
+  imports = [
+    ./desktop.nix
+    ./home-manager.nix
+    ./scx.nix
+    ./stylix.nix
+    ./swap.nix
+    ./yubikey.nix
+  ];
+}

modules/nixos/system/desktop.nix

@@ -0,0 +1,40 @@
+{ config, pkgs, ... }:
+
+{
+  networking.networkmanager.enable = true;
+
+  hardware = {
+    bluetooth = {
+      enable = true;
+      powerOnBoot = true;
+    };
+
+    # mesa graphics library
+    graphics.enable = true;
+  };
+
+  # audio
+  services.pipewire = {
+    enable = true;
+    alsa.enable = true;
+    alsa.support32Bit = true;
+    pulse.enable = true;
+  };
+  security.rtkit.enable = true;
+
+  # CUPS
+  services.printing.enable = true;
+
+  # enable native wayland in chromium/electron
+  environment.sessionVariables.NIXOS_OZONE_WL = "1";
+
+  environment.systemPackages = with pkgs; [
+    bitwarden
+    krita
+    vlc
+    gpu-screen-recorder-gtk
+  ];
+
+  # needed alongside the GUI app for promptless recording
+  programs.gpu-screen-recorder.enable = true;
+}

modules/nixos/system/home-manager.nix

@@ -0,0 +1,18 @@
+{ inputs, config, ... }:
+
+{
+  imports = [ inputs.home-manager.nixosModules.home-manager ];
+  
+  home-manager = {
+    useGlobalPkgs = true;
+    useUserPackages = true;
+    backupFileExtension = "bak";
+    extraSpecialArgs = { inherit inputs; };
+    users.wo2w = {
+      home = {
+        username = "wo2w";
+        homeDirectory = "/home/wo2w";
+      };
+    };
+  };
+}

modules/nixos/system/scx.nix

@@ -0,0 +1,10 @@
+{ config, pkgs, ... }:
+
+{
+  services.scx = {
+    enable = true;
+    package = pkgs.scx.rustscheds;
+    # use gaming performance scheduler
+    scheduler = "scx_lavd";
+  };
+}

modules/nixos/system/stylix.nix

@@ -0,0 +1,44 @@
+{ inputs, config, pkgs, ... }:
+
+{
+  imports = [ inputs.stylix.nixosModules.stylix ];
+
+  stylix = {
+    enable = true;
+    base16Scheme = "${pkgs.base16-schemes}/share/themes/tokyo-night-dark.yaml";
+    targets = {
+      fontconfig.enable = false;
+      font-packages.enable = false;
+    };
+    fonts = {
+      sizes = {
+        applications = 12;
+        desktop = 10;
+        popups = 10;
+        terminal = 12;
+      };
+
+      monospace = {
+        package = pkgs.nerd-fonts.hack;
+        name = "Hack Nerd Font";
+      };
+      emoji = {
+        package = pkgs.noto-fonts-color-emoji;
+        name = "Noto Color Emoji";
+      };
+    };
+  };
+
+  home-manager.users.wo2w.stylix = {
+    enable = true;
+    targets = {
+      btop.enable = false;
+      spicetify.enable = false;
+      vesktop.enable = false;
+      vscode.enable = false;
+      fontconfig.enable = false;
+      font-packages.enable = false;
+      librewolf.profileNames = [ "wo2w" ];
+    };
+  };
+}

modules/nixos/system/swap.nix

@@ -0,0 +1,8 @@
+{ config, ... }:
+
+{
+  swapDevices = [ {
+    device = "/var/swapfile";
+    size = 16*1024;
+  } ];
+}

modules/nixos/system/yubikey.nix

@@ -0,0 +1,9 @@
+{ config, ... }:
+
+{
+  # enable yubikey u2f for use with pam
+  security.pam.services = {
+    sudo.u2fAuth = true;
+    polkit-1.u2fAuth = if config.services.desktopManager.plasma6.enable then true else false;
+  };
+}