progress method
Start an indeterminate progress display.
Implementation
@override
Progress progress(String message) {
if (_currentProgress != null) {
var progress = _currentProgress!;
_currentProgress = null;
progress.cancel();
}
var progress = ansi.useAnsi
? AnsiProgress(ansi, message)
: SimpleProgress(this, message);
_currentProgress = progress;
return progress;
}