{ mkDerivation, base, fetchurl, HUnit, stm, stm-chans
, test-framework, test-framework-hunit
}:
mkDerivation {
  pname = "terminal-progress-bar";
  version = "0.1.1.1";
  src = fetchurl {
    url = "http://example.org/";
    sha256 = "abc";
  };
  isLibrary = true;
  isExecutable = true;
  libraryHaskellDepends = [ base stm stm-chans ];
  testHaskellDepends = [
    base HUnit test-framework test-framework-hunit
  ];
  homepage = "https://github.com/roelvandijk/terminal-progress-bar";
  description = "A simple progress bar in the terminal";
  license = stdenv.lib.licenses.bsd3;
}