* lib/rubygems: Import RubyGems 2.1

* test/rubygems:  Ditto.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41873 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

lib/rubygems/dependency_resolver/api_specification.rb

@@ -0,0 +1,36 @@
+##
+# Represents a specification retrieved via the rubygems.org
+# API. This is used to avoid having to load the full
+# Specification object when all we need is the name, version,
+# and dependencies.
+
+class Gem::DependencyResolver::APISpecification
+
+  attr_reader :dependencies
+  attr_reader :name
+  attr_reader :set # :nodoc:
+  attr_reader :version
+
+  def initialize(set, api_data)
+    @set = set
+    @name = api_data[:name]
+    @version = Gem::Version.new api_data[:number]
+    @dependencies = api_data[:dependencies].map do |name, ver|
+      Gem::Dependency.new name, ver.split(/\s*,\s*/)
+    end
+  end
+
+  def == other # :nodoc:
+    self.class === other and
+      @set          == other.set and
+      @name         == other.name and
+      @version      == other.version and
+      @dependencies == other.dependencies
+  end
+
+  def full_name
+    "#{@name}-#{@version}"
+  end
+
+end
+