Function GetCurrentResourceAndDatabase

detect/app.go:97–139

GetCurrentResourceAndDatabase returns the current resource (app or database) and the current database UUID if any. It exits CLI in case of error.

(ctx context.Context, c *cli.Command)

// and the current database UUID if any.
// It exits CLI in case of error.
func GetCurrentResourceAndDatabase(ctx context.Context, c *cli.Command) (string, string) {
	if os.Getenv("SCALINGO_PREVIEW_FEATURES") != "true" {
		return CurrentApp(ctx, c), ""
	}

	currentApp := extractAppName(ctx, c)
	currentDatabase, databaseUUID, err := currentDatabaseNameAndUUID(ctx, c)
	if err != nil && !errors.Is(err, errDatabaseNotFound) {
		io.Error(err)
		os.Exit(1)
	}

	// Check if --app flag is set explicitly
	var appFlagSet bool
	for _, cliContext := range c.Lineage() {
		if cliContext.IsSet("app") {
			appFlagSet = true
			break
		}
	}

	if appFlagSet && currentDatabase != "" && databaseUUID != "" {
		io.Error("You can't use --app and --database flags together.")
		os.Exit(1)
	}

	if currentApp == "" && currentDatabase == "" {
		io.Error("No application or database found. Please use --app or --database flag.")
		os.Exit(1)
	}

	currentResource := currentApp
	if currentDatabase != "" {
		currentResource = currentDatabase
	}

	debug.Println("[detect] Current resource is", currentResource)
	if databaseUUID != "" {
		debug.Println("[detect] Current database UUID is", databaseUUID)
	}

	return currentResource, databaseUUID
}

// CurrentApp returns the app name if it has been found in one of the following:
// app flag, environment variable "SCALINGO_APP", current Git remote.