anchor.diff:    };
   
     config = {
  -    assertions = mkIf cfg.enable [
  -      {
  -        assertion = builtins.pathExists /usr/local/bin/brew;
  -        message = ''
  -          Homebrew not installed.
  -
  -          Please install Homebrew yourself before using the <option>homebrew</option> module.
  -
  -          See installation instructions at: https://brew.sh
  -        '';
  -      }
  -    ];
  -
       homebrew.brews =
         optional (cfg.masApps != {}) "mas" ++
         optional (cfg.whalebrews != []) "whalebrew";
  
positive.code:     optional (cfg.cleanup == "uninstall" || cfg.cleanup == "zap") "--cleanup" ++
      optional (cfg.cleanup == "zap") "--zap"
    );
  
  in
  
  {
  
negative.code:     system.activationScripts.homebrew.text = mkIf cfg.enable ''
        # Homebrew Bundle
        echo >&2 "Homebrew bundle..."
        if [ -f /usr/local/bin/brew ]; then
          PATH=/usr/local/bin:$PATH ${brew-bundle-command}
        else
          echo -e "\e[1;31merror: Homebrew is not installed, skipping...\e[0m" >&2
        fi
      '';
    };
  }
  