if err != nil {
		return 0, fmt.Errorf("adb exec-out %s: %v", args, err)
	}
	return exitCode, err2
}

func adb(args ...string) error {
	if out, err := adbCmd(args...).CombinedOutput(); err != nil {
		fmt.Fprintf(os.Stderr, "adb %s\n%s", strings.Join(args, " "), out)
		return err
	}
	return nil
}

func adbCmd(args ...string) *exec.Cmd {
	if flags := os.Getenv("GOANDROID_ADB_FLAGS"); flags != "" {

			b, err = json.MarshalIndent(msi, "", "  ")
			if err != nil {
				return nil, err
			}
			return b, nil
		}

		args := c.Args()
		if len(args) == 0 {
			// If no args, assume xl.meta
			args = []string{"xl.meta"}
		}
		var files []string

		for _, pattern := range args {
			if pattern == "-" {
				files = append(files, pattern)
				continue
			}
			found, err := filepathx.Glob(pattern)