pluginCmd.PersistentFlags().BoolVarP(&pluginOpt.List,"list","l",false,"Print all the plugins which are installed")
pluginCmd.PersistentFlags().StringArrayVarP(&pluginOpt.Install,"install","",[]string{},"Install a plugin by shortName")
pluginCmd.PersistentFlags().StringVarP(&pluginOpt.Uninstall,"uninstall","","","Uninstall a plugin by shortName")
pluginCmd.PersistentFlags().StringArrayVarP(&pluginOpt.Filter,"filter","",[]string{},"Filter for the list, like: hasUpdate, downgradable")
pluginCmd.PersistentFlags().StringArrayVarP(&pluginOpt.Filter,"filter","",[]string{},"Filter for the list, like: active, hasUpdate, downgradable, enable, name=foo")