watcher

func WatchFile ¶

func WatchFile(path string, handler func() error, clientID string) (*fsnotify.Watcher, error)

WatchFile is a resilient file watcher that handles file renames Special features:

1. This debounces multiple quick changes before invoking the callback
2. After the callback, resubscribe to the file to handle file renames that change the file inode clientID for logging of who is doing the watching. path to watch handler to invoke on change

This returns the fsnotify watcher. Close it when done.