Fixed rails:freeze:gems for Windows (closes #3274) [paul@paulbutcher.com]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@3963 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

railties/CHANGELOG

@@ -1,5 +1,7 @@
 *SVN*
 
+* Fixed rails:freeze:gems for Windows #3274 [paul@paulbutcher.com]
+
 * Added 'port open?' check to the spawner when running in repeat mode so we don't needlessly boot the dispatcher if the port is already in use anyway #4089 [guy.naor@famundo.com]
 
 * Add verification to generated scaffolds,  don't allow get for unsafe actions [Michael Koziarski]

railties/lib/tasks/framework.rake

@@ -4,12 +4,12 @@ namespace :rails do
     task :gems do
       deps = %w(actionpack activerecord actionmailer activesupport actionwebservice)
       require 'rubygems'
+      Gem.manage_gems
+
+      rails = version = ENV['VERSION'] ?
+        Gem.cache.search('rails', "= #{version}").first :
+        Gem.cache.search('rails').sort_by { |g| g.version }.last
 
-      rails = if version = ENV['VERSION']
-                Gem.cache.search('rails', "= #{version}").first
-              else
-                Gem.cache.search('rails').sort_by { |g| g.version }.last
-              end
       version ||= rails.version
 
       unless rails
@@ -21,12 +21,15 @@ namespace :rails do
       rm_rf   "vendor/rails"
       mkdir_p "vendor/rails"
 
-      rails.dependencies.select { |g| deps.include? g.name }.each do |g|
-        system "cd vendor/rails; gem unpack -v '#{g.version_requirements}' #{g.name}; mv #{g.name}* #{g.name}"
+      chdir("vendor/rails") do
+        rails.dependencies.select { |g| deps.include? g.name }.each do |g|
+          Gem::GemRunner.new.run(["unpack", "-v", "#{g.version_requirements}", "#{g.name}"])
+          mv(Dir.glob("#{g.name}*").first, g.name)
+        end
+
+        Gem::GemRunner.new.run(["unpack", "-v", "=#{version}", "rails"])
+        FileUtils.mv(Dir.glob("rails*").first, "railties")
       end
-      system "cd vendor/rails; gem unpack -v '=#{version}' rails"
-  
-      FileUtils.mv(Dir.glob("vendor/rails/rails*").first, "vendor/rails/railties")
     end
 
     desc "Lock this application to latest Edge Rails. Lock a specific revision with REVISION=X"