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{ stdenv, makeWrapper, buildOcaml, fetchFromGitHub,
ocaml, opam, topkg, menhir, merlin_extend, ppx_tools_versioned, utop }:
let
version = "1.13.4";
src = fetchFromGitHub {
owner = "facebook";
repo = "reason";
rev = version;
sha256 = "03r2ciikgwaq1dkzgzc8n7h7y0q95ajh6n9bb2n5bpgfhwkr1wqi";
};
meta = with stdenv.lib; {
homepage = https://facebook.github.io/reason/;
description = "Facebook's friendly syntax to OCaml";
license = licenses.bsd3;
maintainers = [ maintainers.volth ];
};
reason-parser = buildOcaml {
name = "reason-parser";
inherit version src meta;
sourceRoot = "reason-${version}-src/reason-parser";
minimumSupportedOcamlVersion = "4.02";
propagatedBuildInputs = [ menhir merlin_extend ppx_tools_versioned ];
buildInputs = [ opam topkg ];
createFindlibDestdir = true;
inherit (topkg) installPhase;
};
in
buildOcaml {
name = "reason";
inherit version src meta;
buildInputs = [ makeWrapper opam topkg reason-parser utop ];
buildFlags = [ "build" ]; # do not "make tests" before reason lib is installed
createFindlibDestdir = true;
postPatch = ''
substituteInPlace src/reasonbuild.ml --replace "refmt --print binary" "$out/bin/refmt --print binary"
'';
installPhase = ''
${topkg.installPhase}
wrapProgram $out/bin/reup \
--prefix PATH : "${opam}/bin"
wrapProgram $out/bin/rtop \
--prefix PATH : "${utop}/bin" \
--set OCAMLPATH $out/lib/ocaml/${ocaml.version}/site-lib:$OCAMLPATH
'';
}
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