From c077a7308eb84deb0e068ead404caa88621f1836 Mon Sep 17 00:00:00 2001
From: David Heinemeier Hansson <david@loudthinking.com>
Date: Fri, 7 Apr 2006 18:21:52 +0000
Subject: Fixed that boot.rb would set RAILS_GEM_VERSION twice, not respect an
 uncommented RAILS_GEM_VERSION line, and not use require_gem [DHH] Added rake
 rails:update:configs to update config/boot.rb from the latest (also included
 in rake rails:update) [DHH]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@4197 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
---
 railties/environments/boot.rb | 46 ++++++++++++++++++++++++-------------------
 1 file changed, 26 insertions(+), 20 deletions(-)

(limited to 'railties/environments/boot.rb')

diff --git a/railties/environments/boot.rb b/railties/environments/boot.rb
index e638abe1a2..9a094cbc6d 100644
--- a/railties/environments/boot.rb
+++ b/railties/environments/boot.rb
@@ -2,37 +2,43 @@
 
 unless defined?(RAILS_ROOT)
   root_path = File.join(File.dirname(__FILE__), '..')
+
   unless RUBY_PLATFORM =~ /mswin32/
     require 'pathname'
     root_path = Pathname.new(root_path).cleanpath(true).to_s
   end
+
   RAILS_ROOT = root_path
 end
 
-if File.directory?("#{RAILS_ROOT}/vendor/rails")
-  require "#{RAILS_ROOT}/vendor/rails/railties/lib/initializer"
-else
-  require 'rubygems'
+unless defined?(Rails::Initializer)
+  if File.directory?("#{RAILS_ROOT}/vendor/rails")
+    require "#{RAILS_ROOT}/vendor/rails/railties/lib/initializer"
+  else
+    require 'rubygems'
 
-  if !defined?(RAILS_GEM_VERSION) && File.read(File.dirname(__FILE__) + '/environment.rb') =~ /^\s*RAILS_GEM_VERSION = '([\d.]+)'/
-    RAILS_GEM_VERSION = $1
-  end
+    environment_without_comments = IO.readlines(File.dirname(__FILE__) + '/environment.rb').reject { |l| l =~ /^#/ }.join
+    environment_without_comments =~ /[^#]RAILS_GEM_VERSION = '([\d.]+)'/
+    rails_gem_version = $1
 
-  if defined?(RAILS_GEM_VERSION)
-    rails_gem = Gem.cache.search('rails', "=#{RAILS_GEM_VERSION}").first
+    if version = defined?(RAILS_GEM_VERSION) ? RAILS_GEM_VERSION : rails_gem_version
+      rails_gem = Gem.cache.search('rails', "=#{version}").first
 
-    if rails_gem
-      require rails_gem.full_gem_path + '/lib/initializer'
+      if rails_gem
+        require_gem "rails", "=#{version}"
+        require rails_gem.full_gem_path + '/lib/initializer'
+      else
+        STDERR.puts %(Cannot find gem for Rails =#{version}:
+    Install the missing gem with 'gem install -v=#{version} rails', or
+    change environment.rb to define RAILS_GEM_VERSION with your desired version.
+  )
+        exit 1
+      end
     else
-      STDERR.puts %(Cannot find gem for Rails =#{RAILS_GEM_VERSION}:
-  Install the missing gem with 'gem install -v=#{RAILS_GEM_VERSION} rails', or
-  change environment.rb to define RAILS_GEM_VERSION with your desired version.
-)
-      exit 1
+      require_gem "rails"
+      require 'initializer'
     end
-  else
-    require 'initializer'
   end
-end
 
-Rails::Initializer.run(:set_load_path)
\ No newline at end of file
+  Rails::Initializer.run(:set_load_path)
+end
\ No newline at end of file
-- 
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