requireFile: don't perform Bash expansion (#508672)

- `nodePackages.wavedrom-cli` has been removed, as it was unmaintained within nixpkgs.

- `requireFile` now treats any `message` or `url` argument as a literal string, rather than subjecting it to Bash here-doc expansion.  This allows including strings like `$PWD` in the message without needing to know about and handle the undocumented Bash expansion.

- `nodePackages.browserify` has been removed, as it was unmaintained within nixpkgs.

- `nodePackages.sass` has been removed, as it was unmaintained within nixpkgs.

      cp baseq3/pak*.pk3 /tmp/baseq3

      nix-store --add-fixed sha256 --recursive /tmp/baseq3

      Alternatively you can set services.quake3-server.baseq3 to a path and copy the baseq3 directory into

      $services.quake3-server.baseq3/.q3a/

      Alternatively you can set services.quake3-server.baseq3 to a path and

      copy the baseq3 directory into the .q3a subdirectory of that path.

    '';

  };

      Once you have downloaded the file, please use the following command and re-run the

      installation:

      nix-prefetch-url file://\$PWD/${name}

      nix-prefetch-url file://$PWD/${name}

    '';

  };

        outputHash = hash_;

        preferLocalBuild = true;

        builder = writeScript "restrict-message" ''

          source ${stdenvNoCC}/setup

          cat <<_EOF_

          ***

          ${msg}

          ***

          _EOF_

          printf '%s' ${lib.escapeShellArg msg}

          exit 1

        '';

      }

          message = ''

            We cannot download the commercial version automatically, as you require a license.

            Once you bought a license, you need to add your downloaded version to the nix store.

            You can do this by using "nix-prefetch-url file:///\$PWD/${commercialName}" in the

            You can do this by using "nix-prefetch-url file:///$PWD/${commercialName}" in the

            directory where you saved it.

          '';

          name = commercialName;