Method lookupFlag

command.go:383–393

(name string)

}

func (cmd *Command) lookupFlag(name string) Flag {
	for _, pCmd := range cmd.Lineage() {
		if f := pCmd.lFlag(name); f != nil {
			return f
		}
	}

	tracef("flag NOT found for name %[1]q (cmd=%[2]q)", name, cmd.Name)
	cmd.onInvalidFlag(context.TODO(), name)
	return nil
}

// this looks up only allowed flags, i.e. local flags for current command
// or persistent flags from ancestors