tmp

storage.go

@@ -79,7 +79,15 @@ func (s _storage) getFlag(cmd *cobra.Command, name string) Action {
 		entry := s.get(cmd)
 		entry.flagMutex.RLock()
 		defer entry.flagMutex.RUnlock()
-		a := s.preinvoke(cmd, flag, entry.flag[name])
+
+		flagAction, ok := entry.flag[name]
+		if !ok {
+			if f, ok := cmd.GetFlagCompletionByName(name); ok {
+				flagAction = actionCobra(cmd, f)
+			}
+		}
+
+		a := s.preinvoke(cmd, flag, flagAction)
 
 		return ActionCallback(func(c Context) Action { // TODO verify order of execution is correct
 			invoked := a.Invoke(c)
@@ -116,6 +124,8 @@ func (s _storage) getPositional(cmd *cobra.Command, index int) Action {
 	entry := s.get(cmd)
 	isDash := common.IsDash(cmd)
 
+	// TODO fallback to cobra defined completion if exists
+
 	var a Action
 	switch {
 	case !isDash && len(entry.positional) > index: