{pkgs, ...}: let
  blueprints = ../project-blueprints;
  mainScript = builtins.readFile ./main.nu;
  scriptWithSubstitutions =
    builtins.replaceStrings
    ["@BLUEPRINTS@"]
    ["${blueprints}"]
    mainScript;
in ''
  #!${pkgs.nushell}/bin/nu
  ${scriptWithSubstitutions}
''