refactor

modules/nixos/tools/titan/default.nix

@@ -0,0 +1,25 @@
+{ options, config, pkgs, lib, ... }:
+
+with lib;
+with lib.plusultra;
+let
+  cfg = config.plusultra.tools.titan;
+in
+{
+  options.plusultra.tools.titan = with types; {
+    enable = mkBoolOpt false "Whether or not to install Titan.";
+    pkg = mkOpt package pkgs.plusultra.titan "The package to install as Titan.";
+  };
+
+  config = mkIf cfg.enable {
+    plusultra.tools = {
+      # Titan depends on Node and Git
+      node = enabled;
+      git = enabled;
+    };
+
+    environment.systemPackages = [
+      cfg.pkg
+    ];
+  };
+}