ocamlPackages.dot-merlin-reader: use Dune 3

{ lib, fetchurl, yojson, csexp, buildDunePackage, merlin-lib, merlin }:

{ lib, fetchurl, yojson, csexp, findlib, buildDunePackage, merlin-lib, merlin }:

buildDunePackage rec {

  pname = "dot-merlin-reader";

  duneVersion = "3";

  inherit (merlin) version src;

  minimalOCamlVersion = "4.06";

  buildInputs = if lib.versionAtLeast version "4.7-414"

  buildInputs = [ findlib ]

  ++ (if lib.versionAtLeast version "4.7-414"

  then [ merlin-lib ]

  else [ yojson csexp ];

  else [ yojson csexp ]);

  meta = with lib; {

    description = "Reads config files for merlin";