module Net::SSH

def self.assign_defaults(options)
  if !options[:logger]
    options[:logger] = Logger.new(STDERR)
    options[:logger].level = Logger::FATAL
  end
  options[:password_prompt] ||= Prompt.default(options)
  %i[password passphrase].each do |key|
    options.delete(key) if options.key?(key) && options[key].nil?
  end
end