INNER CODE UNIT · Go

isArchive

genuinetools/img · build.go:449

func isArchive(header []byte) bool {
	compression := archive.DetectCompression(header)
	if compression != archive.Uncompressed {
		return true
	}
	r := tar.NewReader(bytes.NewBuffer(header))
	_, err := r.Next()
	return err == nil
}

// untar unpacks a tarball to a given directory.
func untar(dest string, r io.Reader) error {
	gzr, err := gzip.NewReader(r)
	if err != nil {
		return err
	}
	defer gzr.Close()

View source record →