refactor

modules/nixos/tools/go/default.nix

@@ -0,0 +1,21 @@
+{ options, config, pkgs, lib, ... }:
+
+with lib;
+with lib.plusultra;
+let
+  cfg = config.plusultra.tools.go;
+in
+{
+  options.plusultra.tools.go = with types; {
+    enable = mkBoolOpt false "Whether or not to enable Go support.";
+  };
+
+  config = mkIf cfg.enable {
+    environment = {
+      systemPackages = with pkgs; [ go gopls ];
+      sessionVariables = {
+        GOPATH = "$HOME/work/go";
+      };
+    };
+  };
+}