-# Don't change this file. Configuration is done in config/environment.rb and config/environments/*.rb
+# Don't change this file!
+# Configure your app in config/environment.rb and config/environments/*.rb
-unless defined?(RAILS_ROOT)
- root_path = File.join(File.dirname(__FILE__), '..')
+RAILS_ROOT = "#{File.dirname(__FILE__)}/.." unless defined?(RAILS_ROOT)
- unless RUBY_PLATFORM =~ /mswin32/
- require 'pathname'
- root_path = Pathname.new(root_path).cleanpath(true).to_s
- end
+module Rails
+ class << self
+ def boot!
+ unless booted?
+ preinitialize
+ pick_boot.run
+ end
+ end
- RAILS_ROOT = root_path
-end
+ def booted?
+ defined? Rails::Initializer
+ end
-unless defined?(Rails::Initializer)
- if File.directory?("#{RAILS_ROOT}/vendor/rails")
- require "#{RAILS_ROOT}/vendor/rails/railties/lib/initializer"
- else
- require 'rubygems'
+ def pick_boot
+ (vendor_rails? ? VendorBoot : GemBoot).new
+ end
+
+ def vendor_rails?
+ File.exist?("#{RAILS_ROOT}/vendor/rails")
+ end
- environment_without_comments = IO.readlines(File.dirname(__FILE__) + '/environment.rb').reject { |l| l =~ /^#/ }.join
- environment_without_comments =~ /[^#]RAILS_GEM_VERSION = '([\d.]+)'/
- rails_gem_version = $1
+ def preinitialize
+ load(preinitializer_path) if File.exist?(preinitializer_path)
+ end
- if version = defined?(RAILS_GEM_VERSION) ? RAILS_GEM_VERSION : rails_gem_version
- rails_gem = Gem.cache.search('rails', "=#{version}").first
+ def preinitializer_path
+ "#{RAILS_ROOT}/config/preinitializer.rb"
+ end
+ end
+
+ class Boot
+ def run
+ load_initializer
+ Rails::Initializer.run(:set_load_path)
+ end
+ end
+
+ class VendorBoot < Boot
+ def load_initializer
+ require "#{RAILS_ROOT}/vendor/rails/railties/lib/initializer"
+ Rails::Initializer.run(:install_gem_spec_stubs)
+ Rails::GemDependency.add_frozen_gem_path
+ end
+ end
- if rails_gem
- require_gem "rails", "=#{version}"
- require rails_gem.full_gem_path + '/lib/initializer'
+ class GemBoot < Boot
+ def load_initializer
+ self.class.load_rubygems
+ load_rails_gem
+ require 'initializer'
+ end
+
+ def load_rails_gem
+ if version = self.class.gem_version
+ gem 'rails', version
else
- STDERR.puts %(Cannot find gem for Rails =#{version}:
- Install the missing gem with 'gem install -v=#{version} rails', or
- change environment.rb to define RAILS_GEM_VERSION with your desired version.
- )
+ gem 'rails'
+ end
+ rescue Gem::LoadError => load_error
+ $stderr.puts %(Missing the Rails #{version} gem. Please `gem install -v=#{version} rails`, update your RAILS_GEM_VERSION setting in config/environment.rb for the Rails version you do have installed, or comment out RAILS_GEM_VERSION to use the latest version installed.)
+ exit 1
+ end
+
+ class << self
+ def rubygems_version
+ Gem::RubyGemsVersion rescue nil
+ end
+
+ def gem_version
+ if defined? RAILS_GEM_VERSION
+ RAILS_GEM_VERSION
+ elsif ENV.include?('RAILS_GEM_VERSION')
+ ENV['RAILS_GEM_VERSION']
+ else
+ parse_gem_version(read_environment_rb)
+ end
+ end
+
+ def load_rubygems
+ min_version = '1.3.1'
+ require 'rubygems'
+ unless rubygems_version >= min_version
+ $stderr.puts %Q(Rails requires RubyGems >= #{min_version} (you have #{rubygems_version}). Please `gem update --system` and try again.)
+ exit 1
+ end
+
+ rescue LoadError
+ $stderr.puts %Q(Rails requires RubyGems >= #{min_version}. Please install RubyGems and try again: http://rubygems.rubyforge.org)
exit 1
end
- else
- require_gem "rails"
- require 'initializer'
+
+ def parse_gem_version(text)
+ $1 if text =~ /^[^#]*RAILS_GEM_VERSION\s*=\s*["']([!~<>=]*\s*[\d.]+)["']/
+ end
+
+ private
+ def read_environment_rb
+ File.read("#{RAILS_ROOT}/config/environment.rb")
+ end
end
end
+end
- Rails::Initializer.run(:set_load_path)
-end
\ No newline at end of file
+# All that for this:
+Rails.boot!