out, err = cmd.Output()
	if err != nil {
		return fmt.Errorf("%v: %w", cmd, err)
	}
	platformBin := filepath.Dir(string(bytes.TrimSpace(out)))
	if platformBin == "." {
		return errors.New("failed to locate cmd/go for target platform")
	}
	if err := adb("push", platformBin, path.Join(deviceGoroot, "bin")); err != nil {
		return err
	}

	// Copy only the relevant subdirectories from pkg: pkg/include and the

		if err != nil {
			return nil, err
		}
		if tok, ok := tok.(xml.StartElement); ok {
			if tok.Name.Local == "key" {
				if err := d.DecodeElement(&key, &tok); err != nil {
					return nil, err
				}
				hasKey = true
			} else if hasKey {
				var val string
				var err error
				switch n := tok.Name.Local; n {
				case "true", "false":
					// Bools are represented as <true/> and <false/>.
					val = n

func detectUTF8(s string) (valid, require bool) {
	for i := 0; i < len(s); {
		r, size := utf8.DecodeRuneInString(s[i:])
		i += size
		// Officially, ZIP uses CP-437, but many readers use the system's
		// local character encoding. Most encoding are compatible with a large
		// subset of CP-437, which itself is ASCII-like.
		//
		// Forbid 0x7e and 0x5c since EUC-KR and Shift-JIS replace those

// At the end of the archive, Next returns the error io.EOF.
//
// If Next encounters a non-local name (as defined by [filepath.IsLocal])
// and the GODEBUG environment variable contains `tarinsecurepath=0`,
// Next returns the header with an [ErrInsecurePath] error.
// A future version of Go may introduce this behavior by default.
// Programs that want to accept non-local names can ignore
// the [ErrInsecurePath] error and use the returned header.