From 53e1e50e0475fbb6009fc60ad374e9788ab710cd Mon Sep 17 00:00:00 2001
From: David Heinemeier Hansson <david@loudthinking.com>
Date: Sat, 1 Apr 2006 05:55:47 +0000
Subject: Specify gem version in environment.rb

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@4111 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
---
 railties/environments/boot.rb                      | 22 ++++++++++++++++------
 railties/environments/environment.rb               |  3 +++
 .../generators/applications/app/app_generator.rb   |  4 ++--
 3 files changed, 21 insertions(+), 8 deletions(-)

(limited to 'railties')

diff --git a/railties/environments/boot.rb b/railties/environments/boot.rb
index a57f0f46da..ad0dcd6583 100644
--- a/railties/environments/boot.rb
+++ b/railties/environments/boot.rb
@@ -13,12 +13,22 @@ if File.directory?("#{RAILS_ROOT}/vendor/rails")
   require "#{RAILS_ROOT}/vendor/rails/railties/lib/initializer"
 else
   require 'rubygems'
-  required_version = '<%= Rails::VERSION::STRING %>'
-  rails_gem = Gem.cache.search('rails', "=#{required_version}").first
-  unless rails_gem
-    STDERR.puts "Cannot find gem for Rails =#{required_version}. Install missing gem or change config/boot.rb."
+
+  if !defined?(RAILS_GEM_VERSION) && File.read(File.dirname(__FILE__) + '/environment.rb') =~ /RAILS_GEM_VERSION = '([\d.]+)'/
+    RAILS_GEM_VERSION = $1
+  end
+
+  if defined?(RAILS_GEM_VERSION)
+    rails_gem = Gem.cache.search('rails', "=#{RAILS_GEM_VERSION}").first
+
+    if rails_gem
+      require rails_gem.full_gem_path + '/lib/initializer'
+    else
+      STDERR.puts "Cannot find gem for Rails =#{RAILS_GEM_VERSION}. Install missing gem or change config/boot.rb."
+    end
+  else
+    require 'initializer'
   end
-  require rails_gem.full_gem_path + '/lib/initializer'
 end
 
-Rails::Initializer.run(:set_load_path)
+Rails::Initializer.run(:set_load_path)
\ No newline at end of file
diff --git a/railties/environments/environment.rb b/railties/environments/environment.rb
index f548b23447..5fbceb69dc 100644
--- a/railties/environments/environment.rb
+++ b/railties/environments/environment.rb
@@ -4,6 +4,9 @@
 # you don't control web/app server and can't set it the proper way
 # ENV['RAILS_ENV'] ||= 'production'
 
+# Specifies gem version of Rails to use when vendor/rails is not present
+RAILS_GEM_VERSION = '<%= Rails::VERSION::STRING %>'
+
 # Bootstrap the Rails environment, frameworks, and default configuration
 require File.join(File.dirname(__FILE__), 'boot')
 
diff --git a/railties/lib/rails_generator/generators/applications/app/app_generator.rb b/railties/lib/rails_generator/generators/applications/app/app_generator.rb
index b1f8942652..145f354052 100644
--- a/railties/lib/rails_generator/generators/applications/app/app_generator.rb
+++ b/railties/lib/rails_generator/generators/applications/app/app_generator.rb
@@ -43,8 +43,8 @@ class AppGenerator < Rails::Generator::Base
       m.template "configs/apache.conf",   "public/.htaccess"
 
       # Environments
-      m.template "environments/boot.rb",    "config/boot.rb"
-      m.file "environments/environment.rb", "config/environment.rb"
+      m.file "environments/boot.rb",    "config/boot.rb"
+      m.template "environments/environment.rb", "config/environment.rb"
       m.file "environments/production.rb",  "config/environments/production.rb"
       m.file "environments/development.rb", "config/environments/development.rb"
       m.file "environments/test.rb",        "config/environments/test.rb"
-- 
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