Method writeFishCompletionTemplate

fish.go:27–65

(w io.Writer)

}

func (cmd *Command) writeFishCompletionTemplate(w io.Writer) error {
	const name = "cli"
	t, err := template.New(name).Parse(FishCompletionTemplate)
	if err != nil {
		return err
	}

	// Add global flags
	completions := prepareFishFlags(cmd.Name, cmd)

	if cmd.ShellComplete != nil {
		var completion strings.Builder
		fmt.Fprintf(&completion,
			"complete -c %s -n '%s' -xa '(%s %s 2>/dev/null)'",
			cmd.Name,
			fishFlagHelper(cmd.Name, cmd),
			cmd.Name,
			completionFlag,
		)
		completions = append(completions, completion.String())
	}

	// Add commands and their flags
	completions = append(
		completions,
		prepareFishCommands(cmd.Name, cmd)...,
	)

	toplevelCommandNames := []string{}
	for _, child := range cmd.Commands {
		toplevelCommandNames = append(toplevelCommandNames, child.Names()...)
	}

	return t.ExecuteTemplate(w, name, &fishCommandCompletionTemplate{
		Command:     cmd,
		Completions: completions,
		AllCommands: toplevelCommandNames,
	})
}

func prepareFishCommands(binary string, parent *Command) []string {
	commands := parent.Commands