Update home.nix

- Add xonsh
- Setup nix-direnv

nix/home.nix

@@ -1,5 +1,23 @@
-{ config, pkgs, ... }:
+{ config, pkgs, ... }: let
+  # Mach-nix is a toolkit for constructing custom Python environments
+  mach-nix = import (builtins.fetchGit {
+    url = "https://github.com/DavHau/mach-nix/";
+    ref = "refs/tags/3.3.0";
+  }) {
+    pkgs = pkgs;
+  };
 
+  xonsh_pyenv = mach-nix.mkPython {
+    requirements = ''
+    xontrib-fzf-widgets
+    xonsh-direnv
+    '';
+  };
+
+  xonsh_with_plugins = pkgs.xonsh.overrideAttrs (old: {
+    propagatedBuildInputs = old.propagatedBuildInputs ++ xonsh_pyenv.python.pkgs.selectPkgs xonsh_pyenv.python.pkgs;
+  });
+in
 {
   # Home Manager needs a bit of information about you and the
   # paths it should manage.
@@ -20,16 +38,15 @@
   programs.home-manager.enable = true;
 
   home.packages = with pkgs; [
+    xonsh_with_plugins
     zoxide
     fd
     fzf
     ncdu
     ripgrep
-    # kitty
     git
-    direnv
-    leiningen
   ];
 
-  services.lorri.enable = true;
+  programs.direnv.enable = true;
+  programs.direnv.nix-direnv.enable = true;
 }