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path: root/pkgs/development/compilers/idris2/default.nix
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{ stdenv, fetchFromGitHub, makeWrapper
, clang, chez
}:

# Uses scheme to bootstrap the build of idris2
stdenv.mkDerivation rec {
  name = "idris2";
  version = "0.2.0";

  src = fetchFromGitHub {
    owner = "idris-lang";
    repo = "Idris2";
    rev = "v${version}";
    sha256 = "153z6zgb90kglw8rspk8ph5gh5nkplhi27mxai6yqbbjs2glx5d4";
  };

  strictDeps = true;
  nativeBuildInputs = [ makeWrapper clang chez ];
  buildInputs = [ chez ];

  prePatch = ''
    patchShebangs --build tests
  '';

  makeFlags = [ "PREFIX=$(out)" ];

  # The name of the main executable of pkgs.chez is `scheme`
  buildFlags = [ "bootstrap-build" "SCHEME=scheme" ];

  checkTarget = "bootstrap-test";

  # idris2 needs to find scheme at runtime to compile
  postInstall = ''
    wrapProgram "$out/bin/idris2" --set CHEZ "${chez}/bin/scheme"
  '';

  meta = {
    description = "A purely functional programming language with first class types";
    homepage = https://github.com/idris-lang/Idris2;
    license = stdenv.lib.licenses.bsd3;
    maintainers = with stdenv.lib.maintainers; [ wchresta ];
  };
}