system/fonts: init from legacy

legacy/modules/desktop-default.nix

@@ -1,9 +1,5 @@
 { config, lib, pkgs, ... }:
 {
-  imports = [
-    ./fonts.nix
-  ];
-
   programs.gnome-disks.enable = true;
   services.udisks2.enable = true;
 

legacy/modules/fonts.nix

@@ -1,28 +0,0 @@
-{ config, pkgs, ... }:
-{
-  fonts = {
-    fontconfig.defaultFonts = {
-      sansSerif = [ "Ubuntu" ];
-      monospace = [ "Ubuntu Mono" ];
-    };
-
-    fonts = with pkgs; [
-      cantarell-fonts # gnome default
-      fira
-      fira-code # coding
-      fira-code-symbols # ligatures
-      fira-mono
-      font-awesome # icons
-      joypixels # emojis
-      liberation_ttf # main microsoft fonts
-      # mplus-outline-fonts.githubRelease # microsoft fonts
-      noto-fonts
-      noto-fonts-cjk-sans
-      noto-fonts-emoji
-      noto-fonts-extra
-      ubuntu_font_family
-      unifont # unicode fallback
-    ];
-  };
-  nixpkgs.config.joypixels.acceptLicense = true;
-}

machines/thinkman/system.nix

@@ -6,6 +6,7 @@ in
 {
   my.system = {
     avahi.enable = true;
+    fonts.enable = true;
     kvm = {
       enable = true;
       cpuFlavor = "intel";

modules/system/default.nix

@@ -3,6 +3,7 @@
   imports = [
     ./avahi
     ./docker
+    ./fonts
     ./kvm
     ./podman
   ];

modules/system/fonts/default.nix

@@ -0,0 +1,44 @@
+{ config, lib, pkgs, ... }:
+let
+  cfg = config.my.system.fonts;
+in
+{
+  options.my.system.fonts = with lib; {
+    enable = mkEnableOption "fonts configuration";
+
+    additionalFonts = mkOption {
+      type = types.listOf types.package;
+      default = [ ];
+      example = "fira";
+      description = "Which additional fonts should be added as well";
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    fonts = {
+      fontconfig.defaultFonts = {
+        sansSerif = [ "Ubuntu" ];
+        monospace = [ "Ubuntu Mono" ];
+      };
+
+      fonts = with pkgs; [
+        cantarell-fonts # gnome default
+        fira
+        fira-code # coding
+        fira-code-symbols # ligatures
+        fira-mono
+        font-awesome # icons
+        joypixels # emojis
+        liberation_ttf # main microsoft fonts
+        # mplus-outline-fonts.githubRelease # microsoft fonts
+        noto-fonts
+        noto-fonts-cjk-sans
+        noto-fonts-emoji
+        noto-fonts-extra
+        ubuntu_font_family
+        unifont # unicode fallback
+      ] ++ cfg.additionalFonts;
+    };
+    nixpkgs.config.joypixels.acceptLicense = true;
+  };
+}