how can write this point free?

configuration-common.nix

{}: {


hakyll = let
    j = doJailbreak (overrideSrc super.hakyll {
      src = (pkgs.fetchFromGitHub {
        owner = "jaspervdj";
        repo = "hakyll";
        rev = "205f394f51c4b7b424eba9c19fc1d35ad1e438e3";
        sha256 = "1d30nxxpq78zgk5dm18kbgaly8cckhmz21npwp8q8ywx7cw6qzyl";
      });
    });
  in if j.stdenv.isDarwin then
    dontCheck (overrideCabal j (drv: { testToolDepends = [ ]; }))
  else
    j;
    
    
}