default.nix

with import (import ./nixpkgs.nix) {};
stdenv.mkDerivation {
  name = "rpn-calculator";
  src = ./.;
  buildInputs = [ catch2 ];

  doCheck = true;
  checkTarget = "run_test";

  installPhase = ''
    mkdir -p $out
    find . -executable -type f -exec cp {} $out \;
  '';
}