def _fixtures_transition_impl(_settings, _attr):
    """Rule transition that standardizes command-line options for fixtures."""
    return {
        "//command_line_option:cpu": "darwin_x86_64",
        "//command_line_option:ios_minimum_os": "14.1",
        "//command_line_option:macos_cpus": "x86_64",
        "//command_line_option:macos_minimum_os": "11.0",
        "//command_line_option:tvos_minimum_os": "9.2",
        "//command_line_option:watchos_minimum_os": "7.6.2",
    }