func Update()

in cmd/hub/config/vars.go [51:94]

• 41 lines of code
• 20 McCabe index (conditional complexity)

func Update() {
	if LogDestination == "stdout" {
		log.SetOutput(os.Stdout)
	} else if LogDestination != "stderr" {
		log.Fatalf("Unknown --log-destination `%s`", LogDestination)
	}

	if Trace {
		Debug = true
	}
	if Debug {
		Verbose = true
	}
	if Force {
		log.Print("Force flag set, some errors will be treated as warnings")
	}

	switch EncryptionMode {
	case "true":
		if CryptoPassword == "" && CryptoAwsKmsKeyArn == "" && CryptoAzureKeyVaultKeyId == "" && CryptoGcpKmsKeyName == "" {
			log.Fatal("For --encrypted=true, set HUB_CRYPTO_PASSWORD='random password' or\n\tHUB_CRYPTO_AWS_KMS_KEY_ARN='arn:aws:kms:...' or\n\tHUB_CRYPTO_AZURE_KEYVAULT_KEY_ID='https://*.vault.azure.net/keys/...' or\n\tHUB_CRYPTO_GCP_KMS_KEY_NAME='projects/*/locations/*/keyRings/my-key-ring/cryptoKeys/my-key'")
		}
		Encrypted = true
	case "false":
		Encrypted = false
	case "if-key-set":
		Encrypted = CryptoPassword != "" || CryptoAwsKmsKeyArn != "" || CryptoAzureKeyVaultKeyId != "" || CryptoGcpKmsKeyName != ""
	default:
		log.Fatalf("Unknown --encrypted `%s`", EncryptionMode)
	}

	tty := isatty.IsTerminal(os.Stdout.Fd()) || isatty.IsTerminal(os.Stderr.Fd())
	switch TtyMode {
	case "true":
		Tty = true
		TtyForced = !tty
	case "false":
		Tty = false
	case "autodetect":
		Tty = tty
	default:
		log.Fatalf("Unknown --tty `%s`", TtyMode)
	}
}