refactor: modularize theming

hosts/callisto/configuration.nix

@@ -22,6 +22,10 @@
         firewallPresets.vite = true;
         cloudflareNameservers.enable = true;
       };
+      fonts.enable = true;
+    };
+    theming = {
+      enable = true;
     };
   };
 

hosts/callisto/default.nix

@@ -11,7 +11,6 @@
       ../../modules/linux/networking
       ../../modules/linux/fonts
       ../../modules/linux/greeter
-      # ../../modules/linux/spotifyd
       ../../modules/linux/core
       ../../modules/linux/desktop-portal
       ../../modules/linux/stylix

modules/linux/fonts/default.nix

@@ -1,19 +1,31 @@
-{ pkgs, ... }:
 {
-  fonts = {
+  pkgs,
-    enableDefaultPackages = true;
+  lib,
-    # fontconfig = {
+  config,
-    #   defaultFonts = {
+  ...
-    #     serif = [ "Noto Serif" ];
+}:
-    #     sansSerif = [ "Noto Sans" ];
+let
-    #   };
+  cfg = config.liminalOS.system.fonts;
-    # };
+in
-    packages = with pkgs; [
+{
-      # noto-fonts
+  options.liminalOS.system.fonts = {
-      noto-fonts-cjk-sans
+    enable = lib.mkEnableOption "fonts";
-      # noto-fonts-emoji
+  };
-      # (nerdfonts.override { fonts = [ "CascadiaCode" ]; })
+
-      (google-fonts.override { fonts = [ "Lora" ]; })
+  config = lib.mkIf cfg.enable {
-    ];
+    fonts = {
+      enableDefaultPackages = true;
+      packages =
+        with pkgs;
+        [
+          noto-fonts-cjk-sans
+          (google-fonts.override { fonts = [ "Lora" ]; })
+        ]
+        ++ (lib.optionals (!config.liminalOS.theming.enable) [
+          noto-fonts
+          noto-fonts-emoji
+          nerd-fonts.caskaydia-cove
+        ]);
+    };
   };
 }

modules/linux/stylix/default.nix

@@ -1,40 +1,68 @@
-{ inputs, pkgs, ... }:
 {
+  inputs,
+  pkgs,
+  config,
+  lib,
+  ...
+}:
+let
+  cfg = config.liminalOS.theming;
+in
+{
+  options.liminalOS.theming = {
+    enable = lib.mkEnableOption "theming";
+    stylixName = lib.mkOption {
+      type = lib.types.str;
+      default = "stylix";
+      description = ''
+        Name of Stylix module defined in `inputs`. Defaults to `stylix`. You must define `inputs.stylix.url` in your `flake.nix` to enable this option
+      '';
+    };
+  };
+
   imports = [
     inputs.stylix.nixosModules.stylix
   ];
 
-  stylix = {
+  config = lib.mkIf cfg.enable {
-    enable = true;
+    stylix = {
-    image = "${inputs.wallpapers}/aesthetic/afterglow_city_skyline_at_night.png";
+      enable = true;
-    # image = "${inputs.wallpapers}/aesthetic/red_deadly_sun.jpg";
+      image = "${inputs.wallpapers}/aesthetic/afterglow_city_skyline_at_night.png";
-    # image = "${inputs.wallpapers}/aesthetic/afterglow_sand_dunes.jpg";
+      # image = "${inputs.wallpapers}/aesthetic/red_deadly_sun.jpg";
-    base16Scheme = "${pkgs.base16-schemes}/share/themes/rose-pine.yaml";
+      # image = "${inputs.wallpapers}/aesthetic/afterglow_sand_dunes.jpg";
-    polarity = "dark";
+      base16Scheme = "${pkgs.base16-schemes}/share/themes/rose-pine.yaml";
+      polarity = "dark";
 
-    fonts = {
+      fonts = {
-      serif = {
+        serif = {
-        name = "Noto Serif";
+          name = "Noto Serif";
-        package = pkgs.noto-fonts;
+          package = pkgs.noto-fonts;
+        };
+        sansSerif = {
+          name = "Noto Sans";
+          package = pkgs.noto-fonts;
+        };
+        emoji = {
+          name = "Noto Color Emoji";
+          package = pkgs.noto-fonts-emoji;
+        };
+        monospace = {
+          name = "CaskaydiaCove Nerd Font";
+          package = pkgs.nerd-fonts.caskaydia-cove;
+        };
       };
-      sansSerif = {
+
-        name = "Noto Sans";
+      cursor = {
-        package = pkgs.noto-fonts;
+        package = pkgs.bibata-cursors;
-      };
+        name = "Bibata-Modern-Ice";
-      emoji = {
+        size = 26;
-        name = "Noto Color Emoji";
-        package = pkgs.noto-fonts-emoji;
-      };
-      monospace = {
-        name = "CaskaydiaCove Nerd Font";
-        package = pkgs.nerd-fonts.caskaydia-cove;
       };
     };
-
+    assertions = [
-    cursor = {
+      {
-      package = pkgs.bibata-cursors;
+        assertion = builtins.hasAttr cfg.stylixName inputs;
-      name = "Bibata-Modern-Ice";
+        message = ''You enabled theming but did not add a Stylix module to your flake inputs, or did not set `liminalOS.theming.stylixName` to the name of your Stylix input, if it is not `stylix`. Please set `inputs.stylix.url = "github:danth/stylix"` or set the stylixName option to the name of your stylix flake input.'';
-      size = 26;
+      }
-    };
+    ];
   };
 }

modules/linux/wsl/default.nix

@@ -8,17 +8,17 @@ let
   cfg = config.liminalOS.wsl;
 in
 {
-  imports = lib.mkIf cfg.enable [
+  imports = [
-    inputs.nixos-wsl.nixosModules.default
+    inputs.${cfg.wslName}.nixosModules.default
   ];
 
   options = {
-    enable = lib.mkEnableOption "wsl";
+    enable = lib.mkEnableOption "WSL";
-    module = lib.mkOption {
+    wslName = lib.mkOption {
-      type = lib.types.submodule;
+      type = lib.types.str;
-      default = inputs.nixos-wsl.nixosModules.default;
+      default = "nixos-wsl";
       description = ''
-        NixOS WSL module. Defaults to <https://github.com/nix-community/NixOS-WSL>
+        Name of the NixOS WSL module in your flake inputs. You should define `inputs.nixos-wsl.url = "github:nixos-community/nixos-wsl", and set `liminalOS.wsl.wslName` if you did not call it `nixos-wsl`.
       '';
     };
   };
@@ -28,4 +28,10 @@ in
     defaultUser = config.liminalOS.username;
     useWindowsDriver = true;
   };
+  assertions = [
+    {
+      assertion = builtins.hasAttr cfg.wslName inputs;
+      message = ''You enabled WSL but did not add the WSL module to your flake inputs, or did not set `liminalOS.theming.wslName` to the name of your NixOS WSL input, if it is not `nixos-wsl`. Please set `inputs.nixos-wsl.url = "github:nix-community/nixos-wsl"` or set the wslName option to the name of your WSL flake input.'';
+    }
+  ];
 }