{ pkgs ? import { } }: let haskellPackages = pkgs.haskellPackages.override { overrides = self: super: { json2sql = self.callCabal2nix "json2sql" ./. { }; }; }; in rec { inherit (haskellPackages) json2sql; shell = haskellPackages.shellFor { packages = _: [ json2sql ]; buildInputs = [ haskellPackages.cabal-install haskellPackages.ormolu ]; withHoogle = true; withHaddock = true; }; }