anchor.diff:  }:
   
   let
  -  version = "2.6.0";
  +  version = "2.7.1";
   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 = "7ee5bbd671c73e5323778982109241685d58a836e52013e18ee5d9f2e638fdfb";
    };
  
    nativeBuildInputs = [
  
negative.code:   ];
  
    configureFlags = [
      "--without-included-pcre2"
    ];
  
  