Method FlagNames

command.go:547–555

FlagNames returns a slice of flag names used by the this command and all of its parent commands.

()

// FlagNames returns a slice of flag names used by the this command
// and all of its parent commands.
func (cmd *Command) FlagNames() []string {
	names := cmd.LocalFlagNames()

	if cmd.parent != nil {
		names = append(cmd.parent.FlagNames(), names...)
	}

	return names
}

// Lineage returns *this* command and all of its ancestor commands
// in order from child to parent