* lib/rubygems: Update to RubyGems 2.2.2 prerelease to check fixes to

CI.
	* test/rubygems:  ditto.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44799 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

lib/rubygems/resolver/api_set.rb

@@ -25,10 +25,12 @@ class Gem::Resolver::APISet < Gem::Resolver::Set
   # http://guides.rubygems.org/rubygems-org-api
 
   def initialize dep_uri = 'https://rubygems.org/api/v1/dependencies'
+    super()
+
     dep_uri = URI dep_uri unless URI === dep_uri # for ruby 1.8
 
     @dep_uri = dep_uri
-    @uri     = dep_uri + '../../..'
+    @uri     = dep_uri + '../..'
 
     @data   = Hash.new { |h,k| h[k] = [] }
     @source = Gem::Source.new @uri
@@ -41,6 +43,8 @@ class Gem::Resolver::APISet < Gem::Resolver::Set
   def find_all req
     res = []
 
+    return res unless @remote
+
     versions(req.name).each do |ver|
       if req.dependency.match? req.name, ver[:number]
         res << Gem::Resolver::APISpecification.new(self, ver)
@@ -55,6 +59,7 @@ class Gem::Resolver::APISet < Gem::Resolver::Set
   # data for DependencyRequests +reqs+.
 
   def prefetch reqs
+    return unless @remote
     names = reqs.map { |r| r.dependency.name }
     needed = names - @data.keys