Function readFile

pkg/cli/values/options.go:119–138

readFile load a file from stdin, the local directory, or a remote file with a url.

(filePath string, p getter.Providers)

// readFile load a file from stdin, the local directory, or a remote file with a url.
func readFile(filePath string, p getter.Providers) ([]byte, error) {
	if strings.TrimSpace(filePath) == "-" {
		return io.ReadAll(os.Stdin)
	}
	u, err := url.Parse(filePath)
	if err != nil {
		return nil, err
	}

	// FIXME: maybe someone handle other protocols like ftp.
	g, err := p.ByScheme(u.Scheme)
	if err != nil {
		return os.ReadFile(filePath)
	}
	data, err := g.Get(filePath, getter.WithURL(filePath))
	if err != nil {
		return nil, err
	}
	return data.Bytes(), nil
}