func waitForStartSignal()

in internal/command/root.go [137:152]

• 13 lines of code
• 3 McCabe index (conditional complexity)

func waitForStartSignal(opts *output.Options, parent context.Context, logger *zap.Logger) error {
	if opts.StartSignal == "" {
		return nil
	}

	num := unix.SignalNum(opts.StartSignal)
	if num == 0 {
		return fmt.Errorf("unknown signal %v", opts.StartSignal)
	}

	// Wait for the signal or the command context to be done.
	logger.Sugar().Infow("Waiting for signal.", "start-signal", opts.StartSignal)
	startCtx, _ := osctx.WithSignal(parent, os.Signal(num))
	<-startCtx.Done()
	return nil
}