class Rails::Application::Configuration

required extensions then ignores them will not boot and is likely to fail with errors about unitialized constants.
These exclusions are applied regardless of dependencies and extension locations. A configuration that bundles
TrustyCms.configuration.ignored_extensions # => [:experimental, :broken]
You can also retrieve the list with +ignored_extensions+:
config.ignore_extensions = [:experimental, :broken]
This is a configurable list of extension that should not be loaded.

def ignore_extensions(array)
  self.ignored_extensions |= array
end