* lib/rubygems: Update to RubyGems HEAD(c202db2).

  this version contains many enhancements see http://git.io/vtNwF
* test/rubygems: ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51092 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

5 files changed, 29 insertions, 19 deletions

diff --git a/lib/rubygems/commands/dependency_command.rb b/lib/rubygems/commands/dependency_command.rb
index 4a54a3e385..9d4b3e0f50 100644
--- a/lib/rubygems/commands/dependency_command.rb
+++ b/lib/rubygems/commands/dependency_command.rb
@@ -61,10 +61,16 @@ use with other commands.
     ss.map { |spec, _| spec }
   end
 
-  def fetch_specs dependency # :nodoc:
+  def fetch_specs name_pattern, dependency # :nodoc:
     specs = []
 
-    specs.concat dependency.matching_specs     if local?
+    if local?
+      specs.concat Gem::Specification.stubs.find_all { |spec|
+        name_pattern =~ spec.name and
+          dependency.requirement.satisfied_by? spec.version
+      }.map(&:to_spec)
+    end
+
     specs.concat fetch_remote_specs dependency if remote?
 
     ensure_specs specs
@@ -72,16 +78,7 @@ use with other commands.
     specs.uniq.sort
   end
 
-  def gem_dependency args, version, prerelease # :nodoc:
-    args << '' if args.empty?
-
-    pattern = if args.length == 1 and args.first =~ /\A\/(.*)\/(i)?\z/m then
-                flags = $2 ? Regexp::IGNORECASE : nil
-                Regexp.new $1, flags
-              else
-                /\A#{Regexp.union(*args)}/
-              end
-
+  def gem_dependency pattern, version, prerelease # :nodoc:
     dependency = Gem::Deprecate.skip_during {
       Gem::Dependency.new pattern, version
     }
@@ -121,10 +118,12 @@ use with other commands.
   def execute
     ensure_local_only_reverse_dependencies
 
+    pattern = name_pattern options[:args]
+
     dependency =
-      gem_dependency options[:args], options[:version], options[:prerelease]
+      gem_dependency pattern, options[:version], options[:prerelease]
 
-    specs = fetch_specs dependency
+    specs = fetch_specs pattern, dependency
 
     reverse = reverse_dependencies specs
 
@@ -203,5 +202,16 @@ use with other commands.
     result
   end
 
-end
+  private
 
+  def name_pattern args
+    args << '' if args.empty?
+
+    if args.length == 1 and args.first =~ /\A\/(.*)\/(i)?\z/m then
+      flags = $2 ? Regexp::IGNORECASE : nil
+      Regexp.new $1, flags
+    else
+      /\A#{Regexp.union(*args)}/
+    end
+  end
+end
diff --git a/lib/rubygems/commands/install_command.rb b/lib/rubygems/commands/install_command.rb
index 1bf5928ebb..7e3a953d19 100644
--- a/lib/rubygems/commands/install_command.rb
+++ b/lib/rubygems/commands/install_command.rb
@@ -275,7 +275,7 @@ to write the specification by hand.  For example:
       gem = fetcher.download_to_cache dependency
     end
 
-    inst = Gem::Installer.new gem, options
+    inst = Gem::Installer.at gem, options
     inst.install
 
     require 'rubygems/dependency_installer'
diff --git a/lib/rubygems/commands/list_command.rb b/lib/rubygems/commands/list_command.rb
index c6ff237311..1842aaacca 100644
--- a/lib/rubygems/commands/list_command.rb
+++ b/lib/rubygems/commands/list_command.rb
@@ -33,7 +33,7 @@ To search for remote gems use the search command.
   end
 
   def usage # :nodoc:
-    "#{program_name} [STRING ...]"
+    "#{program_name} [REGEXP ...]"
   end
 
 end
diff --git a/lib/rubygems/commands/pristine_command.rb b/lib/rubygems/commands/pristine_command.rb
index 91308d83f6..5a36b12358 100644
--- a/lib/rubygems/commands/pristine_command.rb
+++ b/lib/rubygems/commands/pristine_command.rb
@@ -156,7 +156,7 @@ extensions will be restored.
           install_defaults.to_s['--env-shebang']
         end
 
-      installer = Gem::Installer.new(gem,
+      installer = Gem::Installer.at(gem,
                                      :wrappers => true,
                                      :force => true,
                                      :install_dir => spec.base_dir,
diff --git a/lib/rubygems/commands/query_command.rb b/lib/rubygems/commands/query_command.rb
index 432250e033..0d28711de8 100644
--- a/lib/rubygems/commands/query_command.rb
+++ b/lib/rubygems/commands/query_command.rb
@@ -227,7 +227,7 @@ is too hard to use.
 
     name_tuple, spec = detail_tuple
 
-    spec = spec.fetch_spec name_tuple unless Gem::Specification === spec
+    spec = spec.fetch_spec name_tuple if spec.respond_to? :fetch_spec
 
     entry << "\n"