func WaitForReplacement()

in watcher.go [14:31]

• 16 lines of code
• 5 McCabe index (conditional complexity)

func WaitForReplacement(filename string, op fsnotify.Op,
	watcher *fsnotify.Watcher) {
	const sleep_interval = 50 * time.Millisecond

	// Avoid a race when fsnofity.Remove is preceded by fsnotify.Chmod.
	if op&fsnotify.Chmod != 0 {
		time.Sleep(sleep_interval)
	}
	for {
		if _, err := os.Stat(filename); err == nil {
			if err := watcher.Add(filename); err == nil {
				log.Printf("watching resumed for %s", filename)
				return
			}
		}
		time.Sleep(sleep_interval)
	}
}