Method StartProgressIndicatorWithLabel

pkg/iostreams/iostreams.go:304–341

(label string)

}

func (s *IOStreams) StartProgressIndicatorWithLabel(label string) {
	if !s.progressIndicatorEnabled {
		return
	}

	if s.spinnerDisabled {
		// If the spinner is disabled, simply print a
		// textual progress indicator and return.
		// This means that s.ProgressIndicator will be nil.
		// See also: the comment on StopProgressIndicator()
		s.startTextualProgressIndicator(label)
		return
	}

	s.progressIndicatorMu.Lock()
	defer s.progressIndicatorMu.Unlock()

	if s.progressIndicator != nil {
		if label == "" {
			s.progressIndicator.Prefix = ""
		} else {
			s.progressIndicator.Prefix = label + " "
		}
		return
	}

	// https://github.com/briandowns/spinner#available-character-sets
	// ⣾ ⣷ ⣽ ⣻ ⡿
	spinnerStyle := spinner.CharSets[11]

	sp := spinner.New(spinnerStyle, 120*time.Millisecond, spinner.WithWriter(s.ErrOut), spinner.WithColor("fgCyan"))
	if label != "" {
		sp.Prefix = label + " "
	}

	sp.Start()
	s.progressIndicator = sp
}

func (s *IOStreams) startTextualProgressIndicator(label string) {
	s.progressIndicatorMu.Lock()