anchor.diff: -{ stdenv, fetchurl, pkgconfig, libxslt, docbook_xsl, docbook_xml_dtd_43, dbus, glib }:
  +{ stdenv
  +, fetchurl
  +, pkgconfig
  +, libxslt
  +, docbook_xsl
  +, docbook_xml_dtd_43
  +, dbus
  +, glib
  +}:
   
   stdenv.mkDerivation rec {
     pname = "xdg-dbus-proxy";
  
positive.code:     sha256 = "03sj1h0c2l08xa8phw013fnxr4fgav7l2mkjhzf9xk3dykwxcj8p";
    };
  
    nativeBuildInputs = [ pkgconfig libxslt docbook_xsl docbook_xml_dtd_43 ];
    buildInputs = [ glib ];
    checkInputs = [ dbus ];
  
    configureFlags = [
      "--enable-man"
  
negative.code: 
    meta = with stdenv.lib; {
      description = "DBus proxy for Flatpak and others";
      homepage = "https://github.com/flatpak/xdg-dbus-proxy";
      license = licenses.lgpl21Plus;
      maintainers = with maintainers; [ jtojnar ];
      platforms = platforms.linux;
  