anchor.diff:  
         ${homepage}
   
  -      (if you do not find version ${version} there, try https://www.citrix.com/downloads/citrix-receiver/)
  +      (if you do not find version ${version} there, try at
  +      https://www.citrix.com/downloads/citrix-receiver/legacy-receiver-for-linux/receiver-for-linux-latest-${major}-${minor}.html
  +      or at https://www.citrix.com/downloads/citrix-receiver/ under "Earlier Versions of Receiver for Linux")
   
         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}
       '';
     };
   
  
positive.code:     echo "Wrapping wfica..."
      mkdir "$out/bin"
  
      makeWrapper "$ICAInstDir/wfica -icaroot $ICAInstDir" "$out/bin/wfica" \
        --set ICAROOT "$ICAInstDir" \
        --set GTK_PATH "${gtk2.out}/lib/gtk-2.0:${gnome3.gnome_themes_standard}/lib/gtk-2.0" \
        --set GDK_PIXBUF_MODULE_FILE "$GDK_PIXBUF_MODULE_FILE" \
  
negative.code: , alsaLib
  }:
  
  let versionRec = { major = "13"; minor = "4"; patch = "0"; };
  in stdenv.mkDerivation rec {
    name = "citrix-receiver-${version}";
    version = with versionRec; "${major}.${minor}.${patch}";
    homepage = https://www.citrix.com/downloads/citrix-receiver/linux/receiver-for-linux-latest.html;
  
    prefixWithBitness = if stdenv.is64bit then "linuxx64" else "linuxx86";
  
    src = with versionRec; requireFile rec {
      name = "${prefixWithBitness}-${version}.10109380.tar.gz";
      sha256 =
        if stdenv.is64bit
  