* lib/rubygems: Update to RubyGems 2.2.0.preview.1

This brings several new features to RubyGems summarized here:

  https://github.com/rubygems/rubygems/blob/v2.2.0.preview.1/History.txt

* test/rubygems:  ditto.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42967 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/rubygems/test_gem_commands_pristine_command.rb

@@ -110,6 +110,41 @@ class TestGemCommandsPristineCommand < Gem::TestCase
     end
   end
 
+  def test_execute_extensions_explicit
+    a = quick_spec 'a' do |s| s.extensions << 'ext/a/extconf.rb' end
+
+    ext_path = File.join @tempdir, 'ext', 'a', 'extconf.rb'
+    write_file ext_path do |io|
+      io.write <<-'RUBY'
+      File.open "Makefile", "w" do |f|
+        f.puts "all:\n\techo built\n"
+        f.puts "install:\n\techo built\n"
+      end
+      RUBY
+    end
+
+    b = quick_spec 'b'
+
+    install_gem a
+    install_gem b
+
+    @cmd.options[:extensions]     = true
+    @cmd.options[:extensions_set] = true
+    @cmd.options[:args] = []
+
+    use_ui @ui do
+      @cmd.execute
+    end
+
+    out = @ui.output.split "\n"
+
+    assert_equal 'Restoring gems to pristine condition...', out.shift
+    assert_equal 'Building native extensions.  This could take a while...',
+                 out.shift
+    assert_equal "Restored #{a.full_name}", out.shift
+    assert_empty out, out.inspect
+  end
+
   def test_execute_no_extension
     a = quick_spec 'a' do |s| s.extensions << 'ext/a/extconf.rb' end
 
@@ -320,5 +355,24 @@ class TestGemCommandsPristineCommand < Gem::TestCase
                  @ui.output.split("\n"))
     assert_empty(@ui.error)
   end
+
+  def test_handle_options
+    @cmd.handle_options %w[]
+
+    refute @cmd.options[:all]
+
+    assert @cmd.options[:extensions]
+    refute @cmd.options[:extensions_set]
+
+    assert_equal Gem::Requirement.default, @cmd.options[:version]
+  end
+
+  def test_handle_options_extensions
+    @cmd.handle_options %w[--extensions]
+
+    assert @cmd.options[:extensions]
+    assert @cmd.options[:extensions_set]
+  end
+
 end