{
  pkgs,
}:
pkgs.mkShell {
  packages =
    with pkgs;
    [
      nixfmt-rfc-style
      nil
      nix-tree
      nix
    ];

  shellHook = ''
    echo "Nix packages development environment"
    echo "Available tools: nixfmt-rfc-style, nil, nix-tree"
  '';
}