anchor.diff:  
     meta = with stdenv.lib; {
       inherit description;
  -    homepage = https://www.anydesk.com;
  +    homepage = "https://www.anydesk.com";
       license = licenses.unfree;
       platforms = platforms.linux;
       maintainers = with maintainers; [ shyim ];
  
positive.code: 
  let
    sha256 = {
      x86_64-linux = "0az7n4lhmd4pz0spjvyiwd4w1gnqbh8f1fvr1jinsssyq0j26ldj";
      i386-linux   = "0vjxbg5hwkqkh600rr75xviwy848r1xw9mxwf6bb6l8b0isvlsgg";
    }.${stdenv.hostPlatform.system} or (throw "system ${stdenv.hostPlatform.system} not supported");
  
  
negative.code: 
  in stdenv.mkDerivation rec {
    pname = "anydesk";
    version = "5.5.4";
  
    src = fetchurl {
      urls = [
  