Function RestoreCookedMode

cli/coder/tty_reset.go:40–55

RestoreCookedMode is the exported entry-point that callers outside the coder package use to reset the controlling terminal to canonical (cooked, echo-on) mode. Used by the agent loop at the start of every ReAct run to recover from a prior go-prompt teardown that may have left the TTY in raw mode (no

()

// (occasionally-broken-on-resume) behavior, which is what we are
// trying to improve.
func RestoreCookedMode() bool {
	if runtime.GOOS == "windows" || sttyPath == "" {
		return false
	}
	tty, err := os.OpenFile("/dev/tty", os.O_RDWR, 0)
	if err != nil {
		return false
	}
	defer func() { _ = tty.Close() }()

	cmd := exec.Command(sttyPath, "sane")
	cmd.Stdin = tty
	cmd.Stdout = tty
	cmd.Stderr = tty
	return cmd.Run() == nil
}