Consolidated and better commented the environment files

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@9 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

railties/environments/development.rb

-ActiveRecord::Base.logger = ActionController::Base.logger = ActionMailer::Base.logger = Logger.new("#{RAILS_ROOT}/log/development.log")
-ActiveRecord::Base.establish_connection(:development)
\ No newline at end of file
+ActionController::Base.consider_all_requests_local = true
+ActionController::Base.reload_dependencies         = true
+ActiveRecord::Base.reload_associations             = true

railties/environments/production.rb

-ActiveRecord::Base.logger = ActionController::Base.logger = ActionMailer::Base.logger = Logger.new("#{RAILS_ROOT}/log/production.log")
-ActiveRecord::Base.establish_connection(:production)
-
 ActionController::Base.consider_all_requests_local = false
 ActionController::Base.reload_dependencies         = false 
 ActiveRecord::Base.reload_associations             = false

railties/environments/shared.rb

 RAILS_ROOT = File.expand_path(File.dirname(__FILE__) + "/../")
 RAILS_ENV  = ENV['RAILS_ENV'] || 'development'
 
-ADDITIONAL_LOAD_PATHS = [
-  "app/models", 
-  "app/controllers", 
-  "app/helpers", 
-  "app",
-  "config", 
-  "lib", 
-  "vendor",
-  "vendor/railties", 
-  "vendor/railties/lib", 
-  "vendor/activerecord/lib", 
-  "vendor/actionpack/lib",
-  "vendor/actionmailer/lib",
-]
-
-ADDITIONAL_LOAD_PATHS.unshift(Dir["#{RAILS_ROOT}/app/models/[a-z]*"].collect{ |dir| "app/models/#{File.basename(dir)}" })
-ADDITIONAL_LOAD_PATHS.unshift("test/mocks/#{RAILS_ENV}")
-
-ADDITIONAL_LOAD_PATHS.flatten.each { |dir| $: << "#{RAILS_ROOT}/#{dir}" }
-
 
+# Mocks first.
+ADDITIONAL_LOAD_PATHS = ["#{RAILS_ROOT}/test/mocks/#{RAILS_ENV}"]
+
+# Then model subdirectories.
+ADDITIONAL_LOAD_PATHS.concat(Dir["#{RAILS_ROOT}/app/models/[a-z]*"])
+
+# Followed by the standard includes.
+ADDITIONAL_LOAD_PATHS.concat %w(
+  app/models
+  app/controllers
+  app/helpers
+  app
+  config
+  lib
+  vendor
+  vendor/railties
+  vendor/railties/lib
+  vendor/activerecord/lib
+  vendor/actionpack/lib
+  vendor/actionmailer/lib
+).map { |dir| "#{RAILS_ROOT}/#{dir}" }
+
+# Prepend to $LOAD_PATH
+ADDITIONAL_LOAD_PATHS.reverse.each do |dir|
+  $:.unshift(dir) if File.directory?(dir)
+end
+
+
+# Require Rails libraries.
 require 'active_record'
 require 'action_controller'
 require 'action_mailer'
 
-require 'yaml'
 
-ActionController::Base.template_root = ActionMailer::Base.template_root = "#{RAILS_ROOT}/app/views/"
+# Environment-specific configuration.
+require 'yaml'
 ActiveRecord::Base.configurations = YAML::load(File.open("#{RAILS_ROOT}/config/database.yml"))
-
 ActionController::Base.require_or_load 'abstract_application'
 ActionController::Base.require_or_load "environments/#{RAILS_ENV}"
+
+
+# Configure defaults if the included environment did not.
+RAILS_DEFAULT_LOGGER = Logger.new("#{RAILS_ROOT}/log/#{RAILS_ENV}.log")
+[ActiveRecord::Base, ActionController::Base, ActionMailer::Base].each do |klass|
+  klass.logger ||= RAILS_DEFAULT_LOGGER
+end
+[ActionController::Base, ActionMailer::Base].each do |klass|
+  klass.template_root ||= "#{RAILS_ROOT}/app/views/"
+end
+
+
+# Include your app's configuration here:

railties/environments/shared_for_gem.rb

 RAILS_ROOT = File.expand_path(File.dirname(__FILE__) + "/../")
 RAILS_ENV  = ENV['RAILS_ENV'] || 'development'
 
-ADDITIONAL_LOAD_PATHS = [ "app/models", "app/controllers", "app/helpers", "config", "lib", "vendor" ]
-ADDITIONAL_LOAD_PATHS.unshift(Dir["#{RAILS_ROOT}/app/models/[a-z]*"].collect{ |dir| "app/models/#{File.basename(dir)}" })
-ADDITIONAL_LOAD_PATHS.unshift("test/mocks/#{RAILS_ENV}")
 
-ADDITIONAL_LOAD_PATHS.flatten.each { |dir| $:.unshift "#{RAILS_ROOT}/#{dir}" }
+# Mocks first.
+ADDITIONAL_LOAD_PATHS = ["#{RAILS_ROOT}/test/mocks/#{RAILS_ENV}"]
 
-require 'rubygems'
+# Then model subdirectories.
+ADDITIONAL_LOAD_PATHS.concat(Dir["#{RAILS_ROOT}/app/models/[a-z]*"])
+
+# Followed by the standard includes.
+ADDITIONAL_LOAD_PATHS.concat %w(
+  app/models
+  app/controllers
+  app/helpers
+  config
+  lib
+  vendor
+).map { |dir| "#{RAILS_ROOT}/#{dir}" }
+
+# Prepend to $LOAD_PATH
+ADDITIONAL_LOAD_PATHS.reverse.each do |dir|
+  $:.unshift(dir) if File.directory?(dir)
+end
 
+
+# Require Rails gems.
+require 'rubygems'
 require_gem 'activerecord'
 require_gem 'actionpack'
 require_gem 'actionmailer'
 require_gem 'rails'
 
-require 'yaml'
 
-ActionController::Base.template_root = ActionMailer::Base.template_root = "#{RAILS_ROOT}/app/views/"
+# Environment-specific configuration.
+require 'yaml'
 ActiveRecord::Base.configurations = YAML::load(File.open("#{RAILS_ROOT}/config/database.yml"))
-
 ActionController::Base.require_or_load 'abstract_application'
 ActionController::Base.require_or_load "environments/#{RAILS_ENV}"
+
+# Configure defaults if the included environment did not.
+RAILS_DEFAULT_LOGGER = Logger.new("#{RAILS_ROOT}/log/#{RAILS_ENV}.log")
+[ActiveRecord::Base, ActionController::Base, ActionMailer::Base].each do |klass|
+  klass.logger ||= RAILS_DEFAULT_LOGGER
+end
+[ActionController::Base, ActionMailer::Base].each do |klass|
+  klass.template_root ||= "#{RAILS_ROOT}/app/views/"
+end
+
+
+# Include your app's configuration here:

railties/environments/test.rb

-ActiveRecord::Base.logger = ActionController::Base.logger = ActionMailer::Base.logger = Logger.new("#{RAILS_ROOT}/log/test.log")
-ActiveRecord::Base.establish_connection(:test)
+ActionController::Base.consider_all_requests_local = true
+ActionController::Base.reload_dependencies         = false
+ActiveRecord::Base.reload_associations             = false