module Rails::Command::EnvironmentArgument

def initialize(...)

def initialize(...)
  super
  @environment_specified = options[:environment].present?
  if !@environment_specified
    self.options = options.merge(environment: Rails::Command.environment)
  elsif !available_environments.include?(options[:environment])
    self.options = options.merge(environment: expand_environment_name(options[:environment]))
  end
end