anchor.diff:  }:
   
   let
  -  inherit (stdenv.lib)
  -    enFlag;
  +  inherit (lib)
  +    boolEn;
   in
  -
   stdenv.mkDerivation rec {
     name = "libosinfo-1.0.0";
   
     src = fetchurl {
  -    url = "https://fedorahosted.org/releases/l/i/libosinfo/${name}.tar.gz";
  +    url = "https://releases.pagure.org/libosinfo/${name}.tar.gz";
       hashOutput = false;
       sha256 = "f7b425ecde5197d200820eb44401c5033771a5d114bd6390230de768aad0396b";
     };
  
positive.code:     };
    };
  
    meta = with stdenv.lib; {
      description = "GObject library for managing information about real/virtual OSes";
      homepage = http://libosinfo.org/;
      license = with licenses; [
        lgpl21
        gpl2
  
negative.code:     "--disable-gtk-doc-html"
      "--disable-gtk-doc-pdf"
      "--disable-tests"
      "--${boolEn (gobject-introspection != null)}-introspection"
      "--${boolEn (vala != null)}-vala"
      "--disable-coverage"
      "--with-usb-ids-path=${hwdata}/data/hwdata/usb.ids"
      "--with-pci-ids-path=${hwdata}/data/hwdata/pci.ids"
  