pack/bs.nix


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{ nixpkgs }:
with nixpkgs;
let
  ghc = pkgs.haskell.packages.ghc844.ghcWithPackages (hp: with hp; [
    containers
    directory
    haskeline
    HTTP
    mtl
    optparse-applicative
    parsec
    protolude
    text
    transformers
    wl-pprint-text
  ]);
  entrypoint = "Bs";
in
stdenv.mkDerivation rec {
  name = "bs";
  version = "0";
  src = ../.;
  nativeBuildInputs = [
    ghc
  ];
  strictDeps = true;
  buildPhase = ''
    ${ghc}/bin/ghc \
      -iapex -ilore \
      -main-is ${entrypoint} --make apex/${entrypoint}.hs \
      -o bild/${name}
  '';
  installPhase = ''
    mkdir -p $out/bin
    cp bild/${name} $out/bin/${name}
  '';
}