* 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@35374 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

lib/rubygems/commands/specification_command.rb

@@ -62,7 +62,25 @@ FIELD         name of gemspec field to show
             "Please specify a gem name or file on the command line"
     end
 
-    dep = Gem::Dependency.new gem, options[:version]
+    case options[:version]
+    when String
+      req = Gem::Requirement.parse options[:version]
+    when Gem::Requirement
+      req = options[:version]
+    else
+      raise Gem::CommandLineError, "Unsupported version type: #{options[:version]}"
+    end
+
+    if !req.none? and options[:all]
+      alert_error "Specify --all or -v, not both"
+      terminate_interaction 1
+    end
+
+    if options[:all]
+      dep = Gem::Dependency.new gem
+    else
+      dep = Gem::Dependency.new gem, options[:version]
+    end
 
     field = get_one_optional_argument
 
@@ -80,7 +98,11 @@ FIELD         name of gemspec field to show
     end
 
     if remote? then
-      found = Gem::SpecFetcher.fetcher.fetch dep
+      found = Gem::SpecFetcher.fetcher.fetch dep, true
+
+      if dep.prerelease? or options[:prerelease]
+        found += Gem::SpecFetcher.fetcher.fetch dep, false, true, true
+      end
 
       specs.push(*found.map { |spec,| spec })
     end