Method addFlagsForFunction

cmd/dagger/functions.go:572–610

addFlagsForFunction creates the flags for a function's arguments.

(cmd *cobra.Command, fn *modFunction)

// addFlagsForFunction creates the flags for a function's arguments.
func (fc *FuncCommand) addFlagsForFunction(cmd *cobra.Command, fn *modFunction) error {
	var skipped []string

	var hasArgs bool

	for _, arg := range fn.Args {
		if err := fc.mod.LoadTypeDef(arg.TypeDef); err != nil {
			return err
		}

		if err := arg.AddFlag(cmd.Flags()); err != nil {
			var e *UnsupportedFlagError
			if errors.As(err, &e) {
				skipped = append(skipped, arg.FlagName())
				continue
			}
			return err
		}
		if arg.IsRequired() {
			cmd.MarkFlagRequired(arg.FlagName())
		}
		cmd.Flags().SetAnnotation(
			arg.FlagName(),
			"help:group",
			[]string{"Arguments"},
		)
		hasArgs = true
	}

	if hasArgs {
		cmd.Use += " [arguments]"
	}

	if len(skipped) > 0 {
		cmd.Annotations[skippedOptsAnnotation] = strings.Join(skipped, ", ")
	}

	return nil
}

// addSubCommands creates sub-commands for the functions in an object or
// interface type definition.