Devise\Support\Console\DeviseInstallCommand::askAboutDatabaseType PHP Method

    protected function askAboutDatabaseType($default)
    {
        $types = ['mysql', 'pgsql', 'sqlite', 'sqlsrv'];
        $typeslist = implode(', ', $types);
        $answer = $this->io()->ask("What database type are you using? {$typeslist}", $default);
        if (!in_array($answer, $types)) {
            $this->io()->error("Invalid database type: {$answer}");
            return $this->io()->askAboutDatabaseType($default);
        }
        return $answer ?: $default;
    }