anchor.diff:  , gettext
   
   , ncurses
  -, pcre2
  +, pcre2_lib
   , python3
   }:
   
   let
  -  version = "2.7.1";
  +  version = "3.0.0";
   in
   stdenv.mkDerivation rec {
     name = "fish-${version}";
  
positive.code:   src = fetchurl {
      url = "https://github.com/fish-shell/fish-shell/releases/download/${version}/${name}.tar.gz";
      hashOutput = false;
      sha256 = "e42bb19c7586356905a58578190be792df960fa81de35effb1ca5a5a981f0c5a";
    };
  
    nativeBuildInputs = [
  
negative.code:   passthru = {
      srcVerification = fetchurl rec {
        failEarly = true;
        inherit (src)
          urls
          outputHash
          outputHashAlgo;
        fullOpts = {
          pgpsigUrl = map (n: "${n}.asc") urls;
          pgpKeyFingerprint = "0038 3798 6104 8788 35FA  516D 7A67 D962 D88A 709A ";
        };
      };
    };
  
  