* lib/rubygems: Update to RubyGems 1.8.22 plus r33517 and r35337 which

were ported to the rubygems git repository.

  See https://github.com/rubygems/rubygems/blob/1.8/History.txt for
  changes since 1.8.11.
* test/rubygems:  ditto.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35370 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

lib/rubygems/commands/fetch_command.rb

@@ -13,6 +13,7 @@ class Gem::Commands::FetchCommand < Gem::Command
     add_bulk_threshold_option
     add_proxy_option
     add_source_option
+    add_clear_sources_option
 
     add_version_option
     add_platform_option
@@ -58,8 +59,16 @@ class Gem::Commands::FetchCommand < Gem::Command
         next
       end
 
-      path = Gem::RemoteFetcher.fetcher.download spec, source_uri
-      FileUtils.mv path, File.basename(spec.cache_file)
+      file = "#{spec.full_name}.gem"
+      remote_path = URI.parse(source_uri) + "gems/#{file}"
+
+      fetch = Gem::RemoteFetcher.fetcher
+
+      gem = fetch.fetch_path remote_path.to_s
+
+      File.open file, "wb" do |f|
+        f.write gem
+      end
 
       say "Downloaded #{spec.full_name}"
     end