{
  lib
, uiua
, stdenvNoCC
, runtimeShell
}:

stdenvNoCC.mkDerivation {
  pname = "uash";
  version = "unstable";

  src = lib.fileset.toSource {
    root = ./..;
    fileset = lib.fileset.unions [
      ../uash.ua
    ];
  };

  nativeBuildInputs = [ uiua ];

  buildPhase = ''
      runHook preBuild
      uiua build --output .uash.uasm uash.ua
      runHook postBuild
  '';

  wrapper = ''
      #!${runtimeShell}
      "${uiua}"/bin/uiua run ${placeholder "out"}/bin/.uash.uasm
  '';

  passAsFile = [ "wrapper" ];

  installPhase = ''
      runHook preInstall
      install -Dm444 .uash.uasm -t "$out"/bin
      install -Dm555 "$wrapperPath" "$out"/bin/uash
      runHook postInstall
  '';

  shellPath = "/bin/uash";

  meta.mainProgram = "uash";
}