modules/shell: nix add nh cli

modules/shell/nix/default.nix

@@ -3,5 +3,6 @@
     ./search.nix
     ./optimization.nix
     ./switch-to-configuration-ng.nix
+    ./nh.nix
   ];
 }

modules/shell/nix/nh.nix

@@ -0,0 +1,18 @@
+{ inputs, options, config, lib, pkgs, ...}:
+# funny nix cli
+let cfg = config.modules.shell.nix.nh;
+in
+{
+  options.modules.shell.nix.nh = {
+    enable = lib.mkEnableOption false;
+  };
+
+  config = lib.mkIf cfg.enable { 
+    programs.nh = {
+      enable = true;
+      # TODO try this later
+      # clean.enable = true;
+      # clean.extraArgs = "--keep-since 4d --keep 3";
+    };
+  };
+}