anchor.diff:    passthru = {
       srcVerification = fetchurl rec {
         failEarly = true;
  -      sha512Urls = map (n: "${n}/sha512.sum") baseUrls;
  -      pgpsigUrls = map (n: "${n}.asc") src.urls;
  -      pgpKeyFingerprints = [
  -        "8843 7EF5 C077 BD11 3D3B  7224 2281 91C1 567E 2C17"
  -        # Marian Csontos
  -        "D501 A478 440A E2FD 130A  1BE8 B911 2431 E509 039F"
  -      ];
  -      inherit (src) urls outputHash outputHashAlgo;
  +      inherit (src)
  +        urls
  +        outputHash
  +        outputHashAlgo;
  +      fullOpts = {
  +        sha512Urls = map (n: "${n}/sha512.sum") baseUrls;
  +        pgpsigUrls = map (n: "${n}.asc") src.urls;
  +        pgpKeyFingerprints = [
  +          "8843 7EF5 C077 BD11 3D3B  7224 2281 91C1 567E 2C17"
  +          # Marian Csontos
  +          "D501 A478 440A E2FD 130A  1BE8 B911 2431 E509 039F"
  +        ];
  +      };
       };
     };
   
  -  meta = with stdenv.lib; {
  +  meta = with lib; {
       homepage = http://sourceware.org/lvm2/;
       descriptions = "Tools to support Logical Volume Management (LVM) on Linux";
       maintainers = with maintainers; [
  
positive.code: 
    patches = [
      (fetchTritonPatch {
        rev = "4eae3ae85a5e46a689a94e2356547952f922d5c6";
        file = "l/lvm2/0001-Fix-paths.patch";
        sha256 = "8167a0b99e5cdddeb13629b1ceb32d70e9f9d060e6f105f80785f39031925693";
      })
    ];
  
  
negative.code: { stdenv
  , fetchurl
  , fetchTritonPatch
  , lib
  , gettext
  , python3Packages
  
  