public void Watch(string path, Func <string, Task> callback)
{
var baseDir = _fileRepo.PathOffset(path);
_watcher = new FileSystemWatcher(baseDir);
_watcher.IncludeSubdirectories = true;
_watcher.Changed += _watcher_Changed;
_watcher.Created += _watcher_Changed;
_watcher.EnableRaisingEvents = true;
_localLogService.LogInfo($"Monitoring {baseDir} for changes");
_timer = new Timer(new TimerCallback(_monitorCallback), callback, 1000, 2000);
}