anchor.diff:    stdenv = pkgs.stdenv;
     fetchurl = pkgs.fetchurl;
     fetchgit = pkgs.fetchgit;
  -  haskellEnv = pkgs.haskellPackages_ghc763.ghcWithPackages (self : (
  +  haskellEnv = pkgs.haskellPackages_ghc783_profiling.ghcWithPackages (self : (
       [
         self.protobuf
         self.utf8String
  
positive.code:       self.hasktags
      ]
    ));
    version = "1.1.0.0";
    gitSrc = fetchgit {
      url = "https://github.com/ederoyd46/GeoIndex";
      rev = "421e9ebf45688d32ff635b9a53c7e4f2fff5462f";
      sha256 = "1swwskv1z0h4fwiql8w7cf1vjfqf5nkzg7i7cdz0w14cw2352km9";
    };
  
  in 
  
negative.code:   ];
  
    installPhase = ''
      mkDir $out/bin
      cp -r ./bin $out
    '';
  
  