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@@ -1,45 +1,109 @@
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-# Don't change this file. Configuration is done in config/environment.rb and config/environments/*.rb
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+# Don't change this file!
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+# Configure your app in config/environment.rb and config/environments/*.rb
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-unless defined?(RAILS_ROOT)
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-  root_path = File.join(File.dirname(__FILE__), '..')
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+RAILS_ROOT = "#{File.dirname(__FILE__)}/.." unless defined?(RAILS_ROOT)
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-  unless RUBY_PLATFORM =~ /mswin32/
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-    require 'pathname'
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-    root_path = Pathname.new(root_path).cleanpath(true).to_s
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-  end
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+module Rails
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+  class << self
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+    def boot!
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+      unless booted?
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+        preinitialize
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+        pick_boot.run
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+      end
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+    end
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-  RAILS_ROOT = root_path
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-end
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+    def booted?
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+      defined? Rails::Initializer
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+    end
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-unless defined?(Rails::Initializer)
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-  if File.directory?("#{RAILS_ROOT}/vendor/rails")
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-    require "#{RAILS_ROOT}/vendor/rails/railties/lib/initializer"
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-  else
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-    require 'rubygems'
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+    def pick_boot
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+      (vendor_rails? ? VendorBoot : GemBoot).new
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+    end
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+
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+    def vendor_rails?
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+      File.exist?("#{RAILS_ROOT}/vendor/rails")
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+    end
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-    environment_without_comments = IO.readlines(File.dirname(__FILE__) + '/environment.rb').reject { |l| l =~ /^#/ }.join
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-    environment_without_comments =~ /[^#]RAILS_GEM_VERSION = '([\d.]+)'/
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-    rails_gem_version = $1
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+    # FIXME : Ruby 1.9
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+    def preinitialize
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+      load(preinitializer_path) if File.exists?(preinitializer_path)
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+    end
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+
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+    def preinitializer_path
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+      "#{RAILS_ROOT}/config/preinitializer.rb"
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+    end
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+  end
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+
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+  class Boot
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+    def run
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+      load_initializer
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+      Rails::Initializer.run(:set_load_path)
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+    end
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+  end
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+
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+  class VendorBoot < Boot
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+    def load_initializer
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+      require "#{RAILS_ROOT}/vendor/rails/railties/lib/initializer"
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+    end
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+  end
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-    if version = defined?(RAILS_GEM_VERSION) ? RAILS_GEM_VERSION : rails_gem_version
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-      # Asking for 1.1.6 will give you 1.1.6.5206, if available -- makes it easier to use beta gems
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-      rails_gem = Gem.cache.search('rails', "~>#{version}.0").sort_by { |g| g.version.version }.last
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+  class GemBoot < Boot
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+    def load_initializer
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+      self.class.load_rubygems
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+      load_rails_gem
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+      require 'initializer'
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+    end
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-      if rails_gem
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-        require_gem "rails", "=#{rails_gem.version.version}"
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-        require rails_gem.full_gem_path + '/lib/initializer'
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+    def load_rails_gem
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+      if version = self.class.gem_version
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+        gem 'rails', version
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       else
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-        STDERR.puts %(Cannot find gem for Rails ~>#{version}.0:
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-    Install the missing gem with 'gem install -v=#{version} rails', or
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-    change environment.rb to define RAILS_GEM_VERSION with your desired version.
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-  )
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+        gem 'rails'
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+      end
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+    rescue Gem::LoadError => load_error
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+      $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.)
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+      exit 1
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+    end
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+
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+    class << self
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+      def rubygems_version
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+        Gem::RubyGemsVersion if defined? Gem::RubyGemsVersion
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+      end
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+
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+      def gem_version
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+        if defined? RAILS_GEM_VERSION
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+          RAILS_GEM_VERSION
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+        elsif ENV.include?('RAILS_GEM_VERSION')
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+          ENV['RAILS_GEM_VERSION']
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+        else
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+          parse_gem_version(read_environment_rb)
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+        end
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+      end
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+
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+      def load_rubygems
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+        require 'rubygems'
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+
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+        unless rubygems_version >= '0.9.4'
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+          $stderr.puts %(Rails requires RubyGems >= 0.9.4 (you have #{rubygems_version}). Please `gem update --system` and try again.)
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+          exit 1
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+        end
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+
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+      rescue LoadError
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+        $stderr.puts %(Rails requires RubyGems >= 0.9.4. Please install RubyGems and try again: http://rubygems.rubyforge.org)
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         exit 1
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       end
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-    else
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-      require_gem "rails"
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-      require 'initializer'
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+
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+      def parse_gem_version(text)
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+        $1 if text =~ /^[^#]*RAILS_GEM_VERSION\s*=\s*["']([!~<>=]*\s*[\d.]+)["']/
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+      end
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+
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+      private
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+        def read_environment_rb
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+          File.read("#{RAILS_ROOT}/config/environment.rb")
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+        end
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     end
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   end
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+end
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-  Rails::Initializer.run(:set_load_path)
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-end
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\ No newline at end of file
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+# All that for this:
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+Rails.boot!

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@@ -1,21 +1,3 @@
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-
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-# create_table(name, options = {}) {|t| ...}
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-# --------------------------------------------------------------------------------------------------------------
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-#  :id           Set to true or false to add/not add a primary key column automatically. Defaults to true.
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-#  :primary_key  The name of the primary key, if one is to be added automatically. Defaults to id.
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-#  :options      Any extra options you want appended to the table definition.
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-#  :temporary    Make a temporary table.
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-#  :force        Set to true or false to drop the table before creating it. Defaults to false.
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-# 
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-# column(name, type, options = {})
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-# --------------------------------------------------------------------------------------------------------------
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-#  :primary_key, :string, :text, :integer, :float, :datetime, :timestamp, :time, :date, :binary, :boolean.
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-# 
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-#  :limit    Requests a maximum column length (:string, :text, :binary or :integer columns only)
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-#  :default  The column’s default value. You cannot explicitely set the default value to NULL.
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-#            Simply leave off this option if you want a NULL default value.
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-#  :null     Allows or disallows NULL values in the column. This option could have been named :null_allowed.
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-
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 class SetupInitialDatabases < ActiveRecord::Migration
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   def self.up
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