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, 15 insertions, 0 deletions

diff --git a/lib/rubygems/defaults.rb b/lib/rubygems/defaults.rb
index cc8dc722fc..591580b7da 100644
--- a/lib/rubygems/defaults.rb
+++ b/lib/rubygems/defaults.rb
@@ -15,6 +15,14 @@ module Gem
   end
 
   ##
+  # Default spec directory path to be used if an alternate value is not
+  # specified in the environment
+
+  def self.default_spec_cache_dir
+    File.join Gem.user_home, '.gem', 'specs'
+  end
+
+  ##
   # Default home directory path to be used if an alternate value is not
   # specified in the environment
 
@@ -126,4 +134,11 @@ module Gem
   def self.default_cert_path
     File.join Gem.user_home, ".gem", "gem-public_cert.pem"
   end
+
+  ##
+  # Whether to expect full paths in default gems - true for non-MRI
+  # ruby implementations
+  def self.default_gems_use_full_paths?
+    ruby_engine != 'ruby'
+  end
 end