ir_hacks.rb

class ProjectsController < InheritedResources
  def set_flash_message!(status, default_message)
    message = if action_name == 'create' && status == :error
      'This is a new message. Your project could not be created.'
    else
      default_message
    end

    flash[status] = message unless message.blank?
  end
end

# If you want to change in all methods, do at the end of your application_controller.
require 'inherited_resources'
module InheritedResources #:nodoc:

  module BaseHelpers #:nodoc:
    def set_flash_message!(status, message)
      flash[status] = message unless message.blank?
    end
  end
end