# default.nix
let
  pkgs = import <nixpkgs> { };
in
  pkgs.haskellPackages.callPackage ./blog.nix {}


# blog.nix
{ mkDerivation, base, hakyll, pandoc, stdenv }:
mkDerivation {
  pname = "blog";
  version = "0.1.0.0";
  src = ./.;
  isLibrary = false;
  isExecutable = true;
  executableHaskellDepends = [ base hakyll pandoc ];
  license = stdenv.lib.licenses.bsd3;
}

# shell.nix
??

How would write the shell.nix file that calls blog.nix in the same way default.nix does but also has the logic to include hoogle and ghcid, similar to what this command does:
nix-shell --packages 'haskellPackages.ghcWithHoogle (pkgs: [ pkgs.text ])' haskellPackages.ghcid