anchor.diff:          # pkgWithCombinedDepsDevDrv :: Derivation
           pkgWithCombinedDepsDevDrv = pkgWithCombinedDeps.envFunc { inherit withHoogle; };
   
  -        mkDerivationArgs = builtins.removeAttrs args [ "packages" "withHoogle" ];
  +        mkDerivationArgs = builtins.removeAttrs args [ "packages" "withHoogle" "doBenchmark" ];
   
         in pkgWithCombinedDepsDevDrv.overrideAttrs (old: mkDerivationArgs // {
           nativeBuildInputs = old.nativeBuildInputs ++ mkDerivationArgs.nativeBuildInputs or [];
  
positive.code:           version = "0";
            license = null;
          }
          // packageInputs;
  
          # This is a pseudo Haskell package derivation that contains all the
          # dependencies for the packages in `selected`.
  
negative.code:       , # Whether or not to generate a Hoogle database for all the
          # dependencies.
          withHoogle ? false
        , # Whether or not to include benchmark dependencies of your local
          # packages.  You should set this to true if you have benchmarks defined
          # in your local packages that you want to be able to run with cabal benchmark
          doBenchmark ? false
        , ...
        } @ args:
        let
  