watcher: Begin watching added directories before walking them to add subdirectories

asink/watcher.go

@@ -43,6 +43,11 @@ func StartWatching(watchDir string, fileUpdates chan *asink.Event) {
 				//if a directory was created, begin recursively watching all its subdirectories
 				if fi, err := os.Stat(ev.Name); err == nil && fi.IsDir() {
 					if ev.IsCreate() {
+						//Note: even though filepath.Walk will visit root, we must watch root first so we catch files/directories created after the walk begins but before this directory begins being watched
+						err = watcher.Watch(ev.Name)
+						if err != nil {
+							panic("Failed to watch " + ev.Name)
+						}
 						filepath.Walk(ev.Name, watchDirFn)
 						//TODO do a scan of this directory so we ensure any file events we missed before starting to watch this directory are caught
 					}