anchor.diff:  , hicolor-icon-theme
   }:
   
  -let
  -  ver_branch = "2.0";
  -  version = "2.0.7";
  -in
   stdenv.mkDerivation rec {
     pname = "lightdm-gtk-greeter";
  -  inherit version;
  +  version = "2.0.7";
   
     src = fetchurl {
  -    url = "${meta.homepage}/${ver_branch}/${version}/+download/${pname}-${version}.tar.gz";
  +    # Release tarball differs from source tarball.
  +    url = "https://github.com/Xubuntu/lightdm-gtk-greeter/releases/download/lightdm-gtk-greeter-${version}/lightdm-gtk-greeter-${version}.tar.gz";
       sha256 = "1g7wc3d3vqfa7mrdhx1w9ywydgjbffla6rbrxq9k3sc62br97qms";
     };
   
  -  nativeBuildInputs = [ pkg-config intltool xfce4-dev-tools wrapGAppsHook ];
  -  buildInputs = [ lightdm librsvg hicolor-icon-theme gtk3 ];
  +  nativeBuildInputs = [
  +    pkg-config
  +    intltool
  +    xfce4-dev-tools
  +    wrapGAppsHook
  +  ];
  +
  +  buildInputs = [
  +    lightdm
  +    librsvg
  +    hicolor-icon-theme
  +    gtk3
  +  ];
   
     configureFlags = [
       "--localstatedir=/var"
  
positive.code:   }];
  
    meta = with lib; {
      homepage = "https://launchpad.net/lightdm-gtk-greeter";
      platforms = platforms.linux;
      license = licenses.gpl3Plus;
      maintainers = with maintainers; [ ];
    };
  }
  
negative.code: { stdenv
  , lib
  , lightdm-gtk-greeter
  , fetchurl
  , lightdm
  