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path: root/pkgs/development/ocaml-modules/ppx_tools/default.nix
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{
  lib,
  stdenv,
  fetchFromGitHub,
  buildDunePackage,
  ocaml,
  findlib,
  cppo,
}:

let
  param =
    let
      v6_6 = {
        version = "6.6";
        sha256 = "sha256-QhuaQ9346a3neoRM4GrOVzjR8fg9ysMZR1VzNgyIQtc=";
        nativeBuildInputs = [ cppo ];
        buildInputs = [ cppo ];
      };
    in
    {
      "4.02" = {
        version = "5.0+4.02.0";
        sha256 = "16drjk0qafjls8blng69qiv35a84wlafpk16grrg2i3x19p8dlj8";
      };
      "4.03" = {
        version = "5.0+4.03.0";
        sha256 = "061v1fl5z7z3ywi4ppryrlcywnvnqbsw83ppq72qmkc7ma4603jg";
      };
      "4.04" = {
        version = "unstable-20161114";
        rev = "49c08e2e4ea8fef88692cd1dcc1b38a9133f17ac";
        sha256 = "0ywzfkf5brj33nwh49k9if8x8v433ral25f3nbklfc9vqr06zrfl";
      };
      "4.05" = {
        version = "5.0+4.05.0";
        sha256 = "1jvvhk6wnkvm7b9zph309ihsc0hyxfpahmxxrq19vx8c674jsdm4";
      };
      "4.06" = {
        version = "5.1+4.06.0";
        sha256 = "1ww4cspdpgjjsgiv71s0im5yjkr3544x96wsq1vpdacq7dr7zwiw";
      };
      "4.07" = {
        version = "5.1+4.06.0";
        sha256 = "1ww4cspdpgjjsgiv71s0im5yjkr3544x96wsq1vpdacq7dr7zwiw";
      };
    }
    .${ocaml.meta.branch} or v6_6;
in

let
  src = fetchFromGitHub {
    owner = "alainfrisch";
    repo = pname;
    rev = param.rev or param.version;
    inherit (param) sha256;
  };
  pname = "ppx_tools";
  meta = {
    description = "Tools for authors of ppx rewriters";
    homepage = "https://www.lexifi.com/ppx_tools";
    license = lib.licenses.mit;
    maintainers = with lib.maintainers; [ vbgl ];
    broken = lib.versionAtLeast ocaml.version "5.2";
  };
in
if lib.versionAtLeast param.version "6.0" then
  buildDunePackage {
    inherit pname src meta;
    inherit (param) version buildInputs nativeBuildInputs;
  }
else
  stdenv.mkDerivation {
    name = "ocaml${ocaml.version}-${pname}-${param.version}";

    inherit src;

    nativeBuildInputs = [
      ocaml
      findlib
    ];

    strictDeps = true;

    createFindlibDestdir = true;

    dontStrip = true;

    meta = meta // {
      inherit (ocaml.meta) platforms;
    };
  }