Routes deprecations (rails 2)

config-initializers-routes_deprecation.rb

ActionController::Routing::Route # autoload
class ActionController::Routing::Route
  alias initialize_without_deprecation_support initialize

  def initialize(segments = [], requirements = {}, conditions = {})
    @deprecated      = requirements.delete(:deprecated)
    @definition_line = caller.find { |l| l.to_s.include? 'config/routes.rb:' }
    initialize_without_deprecation_support(segments, requirements, conditions)
  end

  def write_recognition!
    # Create an if structure to extract the params from a match if it occurs.
    body = ''
    if deprecated?
      deprecation_message = "This route is deprecated: #{to_s.gsub(/ +/, ' ')}"
      body += "\n::ActiveSupport::Deprecation.warn(#{deprecation_message.inspect}, [@definition_line])\n"
    end
    body += "params = parameter_shell.dup\n#{recognition_extraction * "\n"}\nparams"
    body = "if #{recognition_conditions.join(" && ")}\n#{body}\nend"

    # Build the method declaration and compile it
    method_decl = "def recognize(path, env = {})\n#{body}\nend"
    instance_eval method_decl, "generated code (#{__FILE__}:#{__LINE__})"
    method_decl
  end

  attr_reader :deprecated
  alias deprecated? deprecated
end

config-routes.rb

ActionController::Routing::Routes.draw do |map|
  # ...




  # DEPRECATED
  map.connect '/:controller/:action', :deprecated => true
end