anchor.diff:      "-L${gcr}/lib"
     ];
   
  -  meta = with lib; {
  +  passthru = {
  +    srcVerification = fetchurl rec {
  +      failEarly = true;
  +      pgpsigUrls = map (n: "${n}.sig") urls;
  +      inherit (gnupg.srcVerification) pgpKeyFingerprints;
  +      inherit (src) urls outputHash outputHashAlgo;
  +    };
  +  };
  +
  +  meta = with stdenv.lib; {
       description = "GnuPG's interface to passphrase input";
       homepage = "http://gnupg.org/aegypten2/";
       license = licenses.gpl2Plus;
  
positive.code: }:
  
  let
    inherit (lib)
      any
      boolEn
      boolWt
  
negative.code: in
  assert isNox || isGtk || isQt;
  stdenv.mkDerivation rec {
    name = "pinentry-1.0.0";
  
    src = fetchurl {
      url = "mirror://gnupg/pinentry/${name}.tar.bz2";
      hashOutput = false;
      sha256 = "1672c2edc1feb036075b187c0773787b2afd0544f55025c645a71b4c2f79275a";
    };
  
    buildInputs = [
  