Function NewCmd

cmd.go:253–372

(parent *cobra.Command, name string, fn func(*cobra.Command))

}

func NewCmd[T UIer](parent *cobra.Command, name string, fn func(*cobra.Command)) *cobra.Command {
	var def, parentDef *CmdDef
	if parent != nil {
		var ok bool
		if parentDef, ok = cmdDefByCommands[parent]; !ok {
			panic("unregistered parent command")
		}
		for _, sub := range parentDef.SubDefs {
			if sub.Name == name {
				def = &sub
				break
			}
		}
		if def == nil {
			panic("missing subcommand definition")
		}
	} else {
		def = &rootDef
	}

	constructor := func() *cobra.Command {
		cmd := &cobra.Command{
			Aliases:      def.Aliases,
			Args:         def.Args,
			Long:         def.Long,
			Short:        def.Short,
			Use:          def.Use,
			SilenceUsage: true,
		}

		cmd.SetErrPrefix(ui.Danger("Error!"))

		ctx := ContextWithConfig(context.Background(), defaultConfig())
		cmd.SetContext(ctx)

		fn(cmd)

		cmd.RunE = func(cmd *cobra.Command, args []string) (returnedError error) {
			ctx := cmd.Context()

			cfg := new(Config)
			if err := cfg.Load(ctx); err != nil {
				return err
			}

			if cfg.Test.SkipRunE {
				return nil
			}

			ctx = ContextWithConfig(cmd.Context(), cfg)
			cmd.SetContext(ctx)

			var t T

			switch any(t).(type) {
			case ShowHelp:
				cmd.HelpFunc()(cmd, args)
				return nil