import shutil


def pytest_report_header(config):
    """Add header information for pytest execution."""
    return [
        "LAMMPS Executable: {}".format(
            shutil.which(config.getoption("lammps_exec") or "lammps")
        ),
        "LAMMPS Work Directory: {}".format(
            config.getoption("lammps_workdir") or "<TEMP>"
        ),
    ]