{
  pkgs ?
    import
      # nixos-25.05 (neovim@0.11.2):
      (fetchTarball {
        url = "https://github.com/nixos/nixpkgs/archive/1c1c9b3f5ec0421eaa0f22746295466ee6a8d48f.tar.gz";
        sha256 = "0szvq1swpzyjmyyw929ngxy1khdnd9ba96qds2bm6l6kg4iq3cq0";
      })
      { },
}:
pkgs.mkShell {
  packages = [
    pkgs.git
    pkgs.gnumake
    pkgs.lua-language-server
    pkgs.lua51Packages.busted
    pkgs.lua51Packages.luacov
    pkgs.lua51Packages.luarocks
    pkgs.neovim
    pkgs.stylua
    pkgs.watchexec
  ];
}