{ pkgs }:

let
  ocamlPackages = pkgs.ocaml-ng.ocamlPackages_5_3;

  version = "3.1";
  src = pkgs.fetchFromGitLab {
    domain = "gitlab.inria.fr";
    owner = "belenios";
    repo = "belenios";
    rev = version;
    hash = "sha256-Mrx6AQakeBg6IeqNyDUZ5j6KaUGOh1AUfrLIxvDI45M=";
  };
in

pkgs.stdenvNoCC.mkDerivation rec {
  name = "belenios";
  inherit version;

  belenios = ocamlPackages.buildDunePackage {
    pname = "belenios";
    inherit version src;

    nativeBuildInputs = with ocamlPackages; [
      odoc
    ];

    buildInputs = [
      belenios-server
      belenios-tool
    ];
  };

  belenios-lib = pkgs.callPackage ./lib.nix {
    inherit
      version
      src
      belenios-platform
      ocamlPackages
      ;
  };

  belenios-platform = pkgs.callPackage ./platform.nix { inherit version src ocamlPackages; };

  belenios-platform-js = pkgs.callPackage ./platform-js.nix {
    inherit
      version
      src
      ocamlPackages
      belenios-platform
      ;
  };

  belenios-platform-native = pkgs.callPackage ./platform-native.nix {
    inherit
      version
      src
      ocamlPackages
      belenios-platform
      ;
  };

  belenios-server = pkgs.callPackage ./server.nix {
    inherit
      version
      src
      ocamlPackages
      belenios-lib
      belenios-platform-native
      belenios-platform-js
      ;
  };

  belenios-tool = pkgs.callPackage ./tool.nix {
    inherit
      version
      src
      ocamlPackages
      belenios-lib
      belenios-platform-native
      ;
  };
}