diff options
Diffstat (limited to 'railties/lib/initializer.rb')
| -rw-r--r-- | railties/lib/initializer.rb | 45 |
1 files changed, 43 insertions, 2 deletions
diff --git a/railties/lib/initializer.rb b/railties/lib/initializer.rb index c60fe3d700..4be7b06f93 100644 --- a/railties/lib/initializer.rb +++ b/railties/lib/initializer.rb @@ -7,6 +7,7 @@ require 'railties_path' require 'rails/version' require 'rails/plugin/locator' require 'rails/plugin/loader' +require 'rails/gem_dependency' RAILS_ENV = (ENV['RAILS_ENV'] || 'development').dup unless defined?(RAILS_ENV) @@ -77,6 +78,7 @@ module Rails require_frameworks set_autoload_paths + add_gem_load_paths add_plugin_load_paths load_environment @@ -98,8 +100,8 @@ module Rails add_support_load_paths + load_gems load_plugins - load_application_initializers # the framework is now fully initialized @@ -185,6 +187,17 @@ module Rails plugin_loader.add_plugin_load_paths end + def add_gem_load_paths + unless @configuration.gems.empty? + require "rubygems" + @configuration.gems.each &:add_load_paths + end + end + + def load_gems + @configuration.gems.each &:load + end + # Loads all plugins in <tt>config.plugin_paths</tt>. <tt>plugin_paths</tt> # defaults to <tt>vendor/plugins</tt> but may also be set to a list of # paths, such as @@ -229,7 +242,11 @@ module Rails def load_observers if configuration.frameworks.include?(:active_record) - ActiveRecord::Base.instantiate_observers + if @configuration.gems.any? { |g| !g.loaded? } + puts "Unable to instantiate observers, some gems that this application depends on are missing. Run 'rake gems:install'" + else + ActiveRecord::Base.instantiate_observers + end end end @@ -494,6 +511,25 @@ module Rails # a sub class would have access to fine grained modification of the loading behavior. See # the implementation of Rails::Plugin::Loader for more details. attr_accessor :plugin_loader + + # An array of gems that this rails application depends on. Rails will automatically load + # these gems during installation, and allow you to install any missing gems with: + # + # rake gems:install + # + # You can add with the #gem method. + attr_accessor :gems + + # Adds a single Gem dependency to the rails application. + # + # # gem 'aws-s3', '>= 0.4.0' + # # require 'aws/s3' + # config.gem 'aws-s3', :lib => 'aws/s3', :version => '>= 0.4.0', \ + # :source => "http://code.whytheluckystiff.net" + # + def gem(name, options = {}) + @gems << Rails::GemDependency.new(name, options) + end # Deprecated options: def breakpoint_server(_ = nil) @@ -529,6 +565,7 @@ module Rails self.plugin_locators = default_plugin_locators self.plugin_loader = default_plugin_loader self.database_configuration_file = default_database_configuration_file + self.gems = default_gems for framework in default_frameworks self.send("#{framework}=", Rails::OrderedOptions.new) @@ -712,6 +749,10 @@ module Rails :memory_store end end + + def default_gems + [] + end end end |