anchor.diff:      nghttp2_lib
     ] ++ (
       if versionAtLeast source.version "8.0.0" then [
  -      openssl_1-1-0
  +      openssl
       ] else [
         openssl_1-0-2
       ]
  
positive.code:   passthru = {
      srcVerification = fetchurl rec {
        failEarly = true;
        sha256Urls = map (n: "${n}/SHASUMS256.txt.asc") dirUrls;
        #pgpsigSha256Urls = map (n: "${n}.asc") sha256Urls;
        # https://github.com/nodejs/node#release-team
        pgpKeyFingerprints = [
          # Colin Ihrig
          "94AE 3667 5C46 4D64 BAFA  68DD 7434 390B DBE9 B9C5"
          # Evan Lucas
          "B9AE 9905 FFD7 803F 2571  4661 B63B 535A 4C20 6CA9"
          # Gibson Fahnestock
          "7798 4A98 6EBC 2AA7 86BC  0F66 B01F BB92 821C 587A"
          # Italo A. Casas
          "5673 0D54 0102 8683 275B  D23C 23EF EFE9 3C4C FFFE"
          # James M Snell
          "71DC FD28 4A79 C3B3 8668  286B C97E C7A0 7EDE 3FC1"
          # Jeremiah Senkpiel
          "FD3A 5288 F042 B685 0C66  B31F 09FE 4473 4EB7 990E"
          # Myles Borins
          "C4F0 DFFF 4E8C 1A82 3640  9D08 E73B C641 CC11 F4C8"
          # Rod Vagg
          "DD8F 2338 BAE7 501E 3DD5  AC78 C273 792F 7D83 545D"
        ];
        inherit (src) urls outputHash outputHashAlgo;
      };
    };
  
  
negative.code: , libuv
  , nghttp2_lib
  , openssl_1-0-2
  , openssl
  , zlib
  
  , channel
  