Function setHelpFunc

cmd/docker/docker.go:246–279

(dockerCli command.Cli, cmd *cobra.Command)

}

func setHelpFunc(dockerCli command.Cli, cmd *cobra.Command) {
	defaultHelpFunc := cmd.HelpFunc()
	cmd.SetHelpFunc(func(ccmd *cobra.Command, args []string) {
		if err := pluginmanager.AddPluginCommandStubs(dockerCli, ccmd.Root()); err != nil {
			ccmd.Println(err)
			return
		}

		if len(args) >= 1 {
			err := tryRunPluginHelp(dockerCli, ccmd, args)
			if err == nil {
				return
			}
			if !errdefs.IsNotFound(err) {
				ccmd.Println(err)
				return
			}
		}

		// FIXME(thaJeztah): need a better way for this; hiding the command here, so that it's present" by default for generating docs etc.
		if c, _, err := ccmd.Find([]string{"buildx"}); c == nil || err != nil {
			if b, _, _ := ccmd.Find([]string{"bake"}); b != nil {
				b.Hidden = true
			}
		}
		if err := isSupported(ccmd, dockerCli); err != nil {
			ccmd.Println(err)
			return
		}
		hideUnsupportedFeatures(ccmd, dockerCli)

		defaultHelpFunc(ccmd, args)
	})
}

// visitAll traverses all commands from the root.
func visitAll(root *cobra.Command, fns ...func(*cobra.Command)) {