anchor.diff:      (fetchpatch {
         url = "https://src.fedoraproject.org/rpms/lightdm/raw/4cf0d2bed8d1c68970b0322ccd5dbbbb7a0b12bc/f/lightdm-1.25.1-disable_dmrc.patch";
         sha256 = "06f7iabagrsiws2l75sx2jyljknr9js7ydn151p3qfi104d1541n";
  -    })
  -
  -    # Don't use etc/dbus-1/system.d
  -    (fetchpatch {
  -      url = "https://github.com/canonical/lightdm/commit/a99376f5f51aa147aaf81287d7ce70db76022c47.patch";
  -      sha256 = "1zyx1qqajrmqcf9hbsapd39gmdanswd9l78rq7q6rdy4692il3yn";
  -    })
  -
  -    # https://github.com/canonical/lightdm/pull/104
  -    (fetchpatch {
  -      url = "https://github.com/canonical/lightdm/commit/03f218981733e50d810767f9d04e42ee156f7feb.patch";
  -      sha256 = "07w18m2gpk29z6ym4y3lzsmg5dk3ffn39sq6lac26ap7narf4ma7";
       })
   
       # Hardcode plymouth to fix transitions.
  
positive.code: 
  stdenv.mkDerivation rec {
    pname = "lightdm";
    version = "1.30.0";
  
    outputs = [ "out" "dev" ];
  
    src = fetchFromGitHub {
      owner = "CanonicalLtd";
      repo = pname;
      rev = version;
      sha256 = "0i1yygmjbkdjnqdl9jn8zsa1mfs2l19qc4k2capd8q1ndhnjm2dx";
    };
  
    nativeBuildInputs = [
  
negative.code: 
  
    meta = {
      homepage = "https://github.com/canonical/lightdm";
      description = "A cross-desktop display manager";
      platforms = platforms.linux;
      license = licenses.gpl3;
  