default.nix

{ stdenv
, haskellPackages
}:

let 
  ghc = haskellPackages.ghcWithPackages (hpkgs: with hpkgs; [
    yi
    yi-frontend-pango
    yi-keymap-emacs
    yi-misc-modes
    yi-mode-haskell
  ]);
in
stdenv.mkDerivation {
  name = "yi";
  version = "0.1.0";

  src = ./.;

  phases = [ "unpackPhase" "buildPhase" "installPhase" ];

  buildPhase = ''
    ${ghc}/bin/ghc Config.hs -o yi
  '';
  installPhase = ''
    mkdir -p $out/bin

    cp yi $out/bin/yi
  '';
}