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, 18 insertions, 7 deletions

diff --git a/lib/rubygems/name_tuple.rb b/lib/rubygems/name_tuple.rb
index d16fad26f1..f16ab369fa 100644
--- a/lib/rubygems/name_tuple.rb
+++ b/lib/rubygems/name_tuple.rb
@@ -43,6 +43,20 @@ class Gem::NameTuple
   end
 
   ##
+  # Returns the full name (name-version) of this Gem.  Platform information is
+  # included if it is not the default Ruby platform.  This mimics the behavior
+  # of Gem::Specification#full_name.
+
+  def full_name
+    case @platform
+    when nil, 'ruby', ''
+      "#{@name}-#{@version}"
+    else
+      "#{@name}-#{@version}-#{@platform}"
+    end
+  end
+
+  ##
   # Indicate if this NameTuple matches the current platform.
 
   def match_platform?
@@ -59,12 +73,7 @@ class Gem::NameTuple
   # Return the name that the gemspec file would be
 
   def spec_name
-    case @platform
-    when nil, 'ruby', ''
-      "#{@name}-#{@version}.gemspec"
-    else
-      "#{@name}-#{@version}-#{@platform}.gemspec"
-    end
+    "#{full_name}.gemspec"
   end
 
   ##
@@ -74,10 +83,12 @@ class Gem::NameTuple
     [@name, @version, @platform]
   end
 
-  def to_s
+  def inspect # :nodoc:
     "#<Gem::NameTuple #{@name}, #{@version}, #{@platform}>"
   end
 
+  alias to_s inspect # :nodoc:
+
   def <=> other
     to_a <=> other.to_a
   end