{stdenv, lib, buildPythonPackage, fetchPypi, coverage, bash, which, writeText}:

buildPythonPackage rec {
  name = "${pname}-${version}";
  version = "0.7";
  pname = "cram";

  buildInputs = [ coverage which ];

  src = fetchPypi {
    inherit pname version;
    sha256 = "0bvz6fwdi55rkrz3f50zsy35gvvwhlppki2yml5bj5ffy9d499vx";
  };

  postPatch = ''
    substituteInPlace tests/test.t \
      --replace "/bin/bash" "${bash}/bin/bash"
  '';

  # This testing is copied from Makefile. Simply using `make test` doesn't work
  # because it uses the unpatched `scripts/cram` executable which has a bad
  # shebang. Also, for some reason, coverage fails on one file so let's just
  # ignore that one.
  checkPhase = ''
    # scripts/cram tests
    #COVERAGE=${coverage}/bin/coverage $out/bin/cram tests
    #${coverage}/bin/coverage report --fail-under=100
    COVERAGE=coverage $out/bin/cram tests
    coverage report --fail-under=100 --omit="*/_encoding.py,*/__main__.py"
  '';

  meta = {
    description = "A simple testing framework for command line applications";
    homepage = https://bitheap.org/cram/;
    license = lib.licenses.gpl2Plus;
    maintainers = with lib.maintainers; [ jluttine ];
    # Tests fail on i686: https://hydra.nixos.org/build/52896671/nixlog/4
    broken = stdenv.isi686;
  };
}