Revert r42938 "* lib/rubygems: Update to RubyGems 2.1.3"

It breaks build.
http://u64.rubyci.org/~chkbuild/ruby-trunk/log/20130913T200302Z.diff.html.gz

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42941 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 10 insertions, 11 deletions

diff --git a/lib/rubygems/commands/outdated_command.rb b/lib/rubygems/commands/outdated_command.rb
index 887faab0a2..f51bc5e93f 100644
--- a/lib/rubygems/commands/outdated_command.rb
+++ b/lib/rubygems/commands/outdated_command.rb
@@ -15,19 +15,18 @@ class Gem::Commands::OutdatedCommand < Gem::Command
     add_platform_option
   end
 
-  def execute
-    Gem::Specification.outdated.sort.each do |name|
-      local   = Gem::Specification.find_all_by_name(name).max
-      dep     = Gem::Dependency.new local.name, ">= #{local.version}"
-      remotes, _ = Gem::SpecFetcher.fetcher.spec_for_dependency dep
-
-      next if remotes.empty?
-
-      remotes.sort! { |a,b| a[0].version <=> b[0].version }
+  def description # :nodoc:
+    <<-EOF
+The outdated command lists gems you way wish to upgrade to a newer version.
 
-      highest = remotes.last.first
+You can check for dependency mismatches using the dependency command and
+update the gems with the update or install commands.
+    EOF
+  end
 
-      say "#{local.name} (#{local.version} < #{highest.version})"
+  def execute
+    Gem::Specification.outdated_and_latest_version.each do |spec, remote_version|
+      say "#{spec.name} (#{spec.version} < #{remote_version})"
     end
   end
 end