Function tryRunPluginHelp

cmd/docker/docker.go:232–244

(dockerCli command.Cli, ccmd *cobra.Command, cargs []string)

}

func tryRunPluginHelp(dockerCli command.Cli, ccmd *cobra.Command, cargs []string) error {
	root := ccmd.Root()

	cmd, _, err := root.Traverse(cargs)
	if err != nil {
		return err
	}
	helpcmd, err := pluginmanager.PluginRunCommand(dockerCli, cmd.Name(), root)
	if err != nil {
		return err
	}
	return helpcmd.Run()
}

func setHelpFunc(dockerCli command.Cli, cmd *cobra.Command) {
	defaultHelpFunc := cmd.HelpFunc()