Update - How do you refactor this piece of code?

func checkConfigRoute(configDir string) (string, error) {    usr, err := user.Current()    if err != nil {        return nil, err    }    route := join(usr.HomeDir, "/", configDir)    // Check if the directory exist, if not, create it the route.    if _, err := os.Stat(route); os.IsNotExist(err) {        if err := os.MkdirAll(route, os.ModePerm); err != nil {            return nil, err        }    }    return route, nil}

// Config token// and path// yaml config filetype Config struct {    FileName    string    Path        string    TokenString string `yaml:"token"`}// Token returns the configuration token stringfunc (c Config) Token(handle []byte) (string, error) {    err := yaml.Unmarshal(handle, &c)    if err != nil {        log.Println("Error: ", err)    }    return c.TokenString, err}// SetPath defines the configuration directory pathfunc (c Config) SetPath(condigDir string) {    c.Path = condigDir}func getUsrHomeDir() string {    usr, err := user.Current()    if err != nil {        log.Println("User home error: ", err)    }    return join(usr.HomeDir, "/")}func firstTimeRun(path string) error {    // Since we are going to store our api token,    // for security reasons we don't want give read access    // to other users in our system.    if err := os.MkdirAll(path, 0700); err != nil {        return err    }    return nil}func readConfig(route string) []byte {    handle, err := ioutil.ReadFile(route)    // Most common cases are:    // Either the file doesn't exist, or    // Exist but you don't have read permission    if os.IsNotExist(err) {        firstTimeRun(route)    }    if os.IsPermission(err) || err != nil {        log.Println("Reading config file: ", err)        os.Exit(1)    }    return handle}