Method RawTerminalGuard

src/runner/cli_wide_posix.cpp:127–139

class RawTerminalGuard {
public:
    RawTerminalGuard() {
        active = isatty(STDIN_FILENO) && tcgetattr(STDIN_FILENO, &original) == 0;
        if (!active) {
            return;
        }

        termios raw = original;
        raw.c_lflag &= static_cast<unsigned long>(~(ICANON | ECHO));
        raw.c_iflag &= static_cast<unsigned long>(~(IXON | ICRNL));
        raw.c_cc[VMIN] = 1;
        raw.c_cc[VTIME] = 0;
        tcsetattr(STDIN_FILENO, TCSANOW, &raw);
    }

    ~RawTerminalGuard() {
        if (active) {