Method ensureHelp

command_setup.go:230–261

()

}

func (cmd *Command) ensureHelp() {
	tracef("ensuring help (cmd=%[1]q)", cmd.Name)

	helpCommand := buildHelpCommand(true)

	if !cmd.hideHelp() {
		if cmd.Command(helpCommand.Name) == nil {
			if !cmd.HideHelpCommand {
				tracef("appending helpCommand (cmd=%[1]q)", cmd.Name)
				cmd.appendCommand(helpCommand)
			}
		}

		if HelpFlag != nil {
			if !cmd.globaHelpFlagAdded {
				var localHelpFlag Flag
				if globalHelpFlag, ok := HelpFlag.(*BoolFlag); ok {
					flag := *globalHelpFlag
					localHelpFlag = &flag
				} else {
					localHelpFlag = HelpFlag
				}

				tracef("appending HelpFlag (cmd=%[1]q)", cmd.Name)
				cmd.appendFlag(localHelpFlag)
				cmd.globaHelpFlagAdded = true
			} else {
				tracef("HelpFlag already added, skip (cmd=%[1]q)", cmd.Name)
			}
		}
	}
}

// dropClashingAliases removes aliases from `aliases` that are already
// claimed by a flag in `userFlags` (either as a primary name or as one