Rails 2.3 gem rake-tasks loader

Rakefile

# Add your own tasks in files placed in lib/tasks ending in .rake,
# for example lib/tasks/capistrano.rake, and they will automatically be available to Rake.

require(File.join(File.dirname(__FILE__), 'config', 'boot'))

require 'rake'
require 'rake/testtask'
require 'rdoc/task'

require 'tasks/rails'

# Rails 2.3 dont load rake tasks from required gems
# this code will fix it
gem_tasks = []
Gem.loaded_specs.each do |name, spec|
  next if %w{rake rails bundler activesupport rack actionpack actionmailer activerecord activeresource mysql2}.include?(name)
  spec.load_paths.each do |load_path|
    gem_tasks +=
      Dir[File.join(load_path, '..', 'tasks', '*.rake')] +
      Dir[File.join(load_path, 'tasks', '*.rake')]
  end
end

gem_tasks.map {|f| load f }