Don't require rails/gem_builder during rails initialization, it's onl…

…y needed for the gems:build task. [rick]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@9240 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

railties/CHANGELOG

@@ -1,5 +1,7 @@
 *SVN*
 
+* Don't require rails/gem_builder during rails initialization, it's only needed for the gems:build task. [rick]
+
 * script/performance/profiler compatibility with the ruby-prof >= 0.5.0. Closes #9176. [Catfish]
 
 * Flesh out rake gems:unpack to unpack all gems, and add rake gems:build for native extensions. #11513 [ddollar]

railties/lib/initializer.rb

@@ -7,7 +7,6 @@
 require 'rails/version'
 require 'rails/plugin/locator'
 require 'rails/plugin/loader'
-require 'rails/gem_builder'
 require 'rails/gem_dependency'
 
 

railties/lib/rails/gem_builder.rb

@@ -1,3 +1,4 @@
+require 'rubygems'
 require 'rubygems/installer'
 
 module Rails

railties/lib/rails/gem_dependency.rb

@@ -14,8 +14,7 @@ def initialize(name, options = {})
       end
       @lib      = options[:lib]
       @source   = options[:source]
-      @loaded   = false
-      @load_paths_added = false
+      @loaded   = @frozen = @load_paths_added = false
       @unpack_directory = nil
     end
 
@@ -28,6 +27,7 @@ def add_load_paths
         gem *args
       else
         $LOAD_PATH << File.join(unpacked_paths.first, 'lib')
+        @frozen = true
       end
       @load_paths_added = true
     rescue Gem::LoadError
@@ -47,6 +47,10 @@ def load
       $!.backtrace.each { |b| puts b }
     end
 
+    def frozen?
+      @frozen
+    end
+
     def loaded?
       @loaded
     end

railties/lib/tasks/gems.rake

@@ -1,13 +1,18 @@
 desc "List the gems that this rails application depends on"
 task :gems => :environment do
   Rails.configuration.gems.each do |gem|
-    puts "[#{gem.loaded? ? '*' : ' '}] #{gem.name} #{gem.requirement.to_s}"
+    code = gem.loaded? ? (gem.frozen? ? "F" : "I") : " "
+    puts "[#{code}] #{gem.name} #{gem.requirement.to_s}"
   end
+  puts
+  puts "I = Installed"
+  puts "F = Frozen"
 end
 
 namespace :gems do
   desc "Build any native extensions for unpacked gems"
   task :build do
+    require 'rails/gem_builder'
     Dir[File.join(RAILS_ROOT, 'vendor', 'gems', '*')].each do |gem_dir|
       spec_file = File.join(gem_dir, '.specification')
       next unless File.exists?(spec_file)
@@ -26,12 +31,11 @@ namespace :gems do
   end
 
   desc "Unpacks the specified gem into vendor/gems."
-  task :unpack do
-    Rake::Task["environment"].invoke
+  task :unpack => :environment do
     require 'rubygems'
     require 'rubygems/gem_runner'
     Rails.configuration.gems.each do |gem|
-      next unless ENV['GEM'].blank? || ENV['GEM'] == gem.name
+      next unless !gem.frozen? && (ENV['GEM'].blank? || ENV['GEM'] == gem.name)
       gem.unpack_to(File.join(RAILS_ROOT, 'vendor', 'gems')) if gem.loaded?
     end
   end