feat: add ghostty

modules/programs/ghostty.nix

@@ -0,0 +1,35 @@
+{ config
+, lib
+, pkgs
+, inputs
+, ...
+}:
+
+with lib;
+let
+  cfg = config.my.programs.ghostty;
+  format = pkgs.formats.keyValue {
+    listsAsDuplicateKeys = true;
+  };
+in
+{
+  options.my.programs.ghostty.enable = mkEnableOption "Ghostty";
+  options.my.programs.ghostty.package = (mkPackageOption pkgs "Ghostty" { }) // {
+    inherit (inputs.ghostty.packages.${pkgs.system}) default;
+  };
+  options.my.programs.ghostty.settings = mkOption {
+    inherit (format) type;
+    description = ''
+      Configuration written to {file}`$XDG_CONFIG_HOME/ghostty/config`.
+    '';
+    default = { };
+  };
+
+  config = mkIf cfg.enable {
+    my.terminal.package = cfg.package;
+    home-manager.users.moritz = {
+      home.packages = [ cfg.package ];
+      xdg.configFile."ghostty/config".source = format.generate "ghostty-config" cfg.settings;
+    };
+  };
+}