Function NewEnvConfig

cmd/gitdir/config.go:46–111

NewEnvConfig returns a new Config based on environment variables.

()

// NewEnvConfig returns a new Config based on environment variables.
func NewEnvConfig() (Config, error) { //nolint:cyclop,funlen
	var err error

	c := DefaultConfig

	if rawDebug, ok := os.LookupEnv("GITDIR_DEBUG"); ok {
		c.LogDebug, err = strconv.ParseBool(rawDebug)
		if err != nil {
			return c, fmt.Errorf("GITDIR_DEBUG: %w", err)
		}
	}

	if logFormat, ok := os.LookupEnv("GITDIR_LOG_FORMAT"); ok {
		if logFormat != "console" && logFormat != "json" {
			return c, errors.New("GITDIR_LOG_FORMAT: must be console or json")
		}
	}

	// Set up the logger - anything other than console defaults to json.
	if c.LogFormat == "console" {
		log.Logger = zerolog.New(zerolog.NewConsoleWriter()).With().Timestamp().Logger()
	}

	if c.LogDebug {
		zerolog.SetGlobalLevel(zerolog.DebugLevel)
	}

	if bindAddr, ok := os.LookupEnv("GITDIR_BIND_ADDR"); ok {
		c.BindAddr = bindAddr
	}

	var ok bool

	if c.BasePath, ok = os.LookupEnv("GITDIR_BASE_DIR"); !ok {
		return c, fmt.Errorf("GITDIR_BASE_DIR: not set")
	}

	if c.BasePath, err = filepath.Abs(c.BasePath); err != nil {
		return c, fmt.Errorf("GITDIR_BASE_DIR: %w", err)
	}

	info, err := os.Stat(c.BasePath)
	if err != nil {
		return c, fmt.Errorf("GITDIR_BASE_DIR: %w", err)
	}

	if !info.IsDir() {
		return c, errors.New("GITDIR_BASE_DIR: not a directory")
	}

	// AdminUser and AdminPublicKey are allowed to not be set.
	if adminUser, ok := os.LookupEnv("GITDIR_ADMIN_USER"); ok {
		c.AdminUser = adminUser
	}

	if adminPublicKeyRaw, ok := os.LookupEnv("GITDIR_ADMIN_PUBLIC_KEY"); ok {
		adminPublicKey, err := models.ParsePublicKey([]byte(adminPublicKeyRaw))
		if err != nil {