From 4129449594ad3d8ff2f8fb4836104f25406a104f Mon Sep 17 00:00:00 2001
From: Yehuda Katz + Carl Lerche <ykatz+clerche@engineyard.com>
Date: Fri, 25 Sep 2009 17:42:53 -0700
Subject: Start Rails::Application object

---
 railties/lib/rails.rb                 |  2 ++
 railties/lib/rails/application.rb     | 58 +++++++++++++++++++++++++++++++++++
 railties/lib/rails/commands/server.rb | 40 ++----------------------
 3 files changed, 62 insertions(+), 38 deletions(-)
 create mode 100644 railties/lib/rails.rb
 create mode 100644 railties/lib/rails/application.rb

(limited to 'railties/lib')

diff --git a/railties/lib/rails.rb b/railties/lib/rails.rb
new file mode 100644
index 0000000000..329b60fb87
--- /dev/null
+++ b/railties/lib/rails.rb
@@ -0,0 +1,2 @@
+require "rails/application"
+require "rails/initializer"
\ No newline at end of file
diff --git a/railties/lib/rails/application.rb b/railties/lib/rails/application.rb
new file mode 100644
index 0000000000..e379504f54
--- /dev/null
+++ b/railties/lib/rails/application.rb
@@ -0,0 +1,58 @@
+require 'action_controller'
+
+module Rails
+  class Application
+    # Loads a Rails application from a directory and returns a Rails
+    # Application object that responds to #call(env)
+    def self.load(path, options = {})
+      require "#{path}/config/environment"
+      new(path, options)
+    end
+
+    def initialize(path, options)
+      @path = path
+
+      ensure_tmp_dirs
+
+      if options[:config]
+        config = File.join(path, options[:config])
+        config = nil unless File.exist?(config)
+      end
+
+      @app = ::Rack::Builder.new {
+        use Rails::Rack::LogTailer unless options[:detach]
+        use Rails::Rack::Debugger if options[:debugger]
+        if options[:path]
+          base = options[:path]
+          ActionController::Base.relative_url_root = base
+        end
+
+        map base || "/" do
+          use Rails::Rack::Static 
+
+          if config && config =~ /\.ru$/
+            instance_eval(File.read(config), config)
+          elsif config
+            require config
+            run Object.const_get(File.basename(config, '.rb').capitalize)
+          else
+            run ActionController::Dispatcher.new
+          end
+        end
+      }.to_app
+    end
+
+    def call(env)
+      @app.call(env)
+    end
+
+  private
+
+    def ensure_tmp_dirs
+      %w(cache pids sessions sockets).each do |dir_to_make|
+        FileUtils.mkdir_p(File.join(@path, 'tmp', dir_to_make))
+      end
+    end
+
+  end
+end
\ No newline at end of file
diff --git a/railties/lib/rails/commands/server.rb b/railties/lib/rails/commands/server.rb
index 823916b1dc..b8ba4a9f91 100644
--- a/railties/lib/rails/commands/server.rb
+++ b/railties/lib/rails/commands/server.rb
@@ -1,7 +1,6 @@
-require 'action_controller'
-
 require 'fileutils'
 require 'optparse'
+require 'rails'
 
 options = {
   :Port        => 3000,
@@ -46,10 +45,6 @@ end
 puts "=> Booting #{ActiveSupport::Inflector.demodulize(server)}"
 puts "=> Rails #{Rails.version} application starting on http://#{options[:Host]}:#{options[:Port]}#{options[:path]}"
 
-%w(cache pids sessions sockets).each do |dir_to_make|
-  FileUtils.mkdir_p(File.join(RAILS_ROOT, 'tmp', dir_to_make))
-end
-
 if options[:detach]
   Process.daemon
   pid = "#{RAILS_ROOT}/tmp/pids/server.pid"
@@ -60,38 +55,7 @@ end
 ENV["RAILS_ENV"] = options[:environment]
 RAILS_ENV.replace(options[:environment]) if defined?(RAILS_ENV)
 
-if File.exist?(options[:config])
-  config = options[:config]
-  if config =~ /\.ru$/
-    cfgfile = File.read(config)
-    if cfgfile[/^#\\(.*)/]
-      opts.parse!($1.split(/\s+/))
-    end
-    inner_app = eval("Rack::Builder.new {( " + cfgfile + "\n )}.to_app", nil, config)
-  else
-    require config
-    inner_app = Object.const_get(File.basename(config, '.rb').capitalize)
-  end
-else
-  require RAILS_ROOT + "/config/environment"
-  inner_app = ActionController::Dispatcher.new
-end
-
-if options[:path].nil?
-  map_path = "/"
-else
-  ActionController::Base.relative_url_root = options[:path]
-  map_path = options[:path]
-end
-
-app = Rack::Builder.new {
-  use Rails::Rack::LogTailer unless options[:detach]
-  use Rails::Rack::Debugger if options[:debugger]
-  map map_path do
-    use Rails::Rack::Static 
-    run inner_app
-  end
-}.to_app
+app = Rails::Application.load(RAILS_ROOT, options)
 
 puts "=> Call with -d to detach"
 
-- 
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