Method Complete

command/flag/path.go:150–175

(prefix string)

type PathWithAt string

func (PathWithAt) Complete(prefix string) []flags.Completion {
	if prefix == "" || prefix[0] != '@' {
		return nil
	}

	prefix = prefix[1:]

	var homeDir string
	if strings.HasPrefix(prefix, fmt.Sprintf("~%c", os.PathSeparator)) {
		// when $HOME is empty this will complete on /, however this is not tested
		homeDir = os.Getenv("HOME")
		prefix = fmt.Sprintf("%s%s", homeDir, prefix[1:])
	}

	return findMatches(
		fmt.Sprintf("%s*", prefix),
		func(path string) string {
			if homeDir != "" {
				newPath, err := filepath.Rel(homeDir, path)
				if err == nil {
					path = filepath.Join("~", newPath)
				}
			}
			return fmt.Sprintf("@%s", path)
		})
}

type PathWithBool string