Merge upstream revision of rubygems/rubygems.

  This commits includes tiny bugfix and new features listed here:
    * Add --re-sign flag to cert command by bronzdoc: https://github.com/rubygems/rubygems/pull/2391
    * Download gems with threads. by indirect: https://github.com/rubygems/rubygems/pull/1898

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64769 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 9 insertions, 5 deletions

diff --git a/lib/rubygems/resolver/specification.rb b/lib/rubygems/resolver/specification.rb
index 44989d39ae..530ea9994d 100644
--- a/lib/rubygems/resolver/specification.rb
+++ b/lib/rubygems/resolver/specification.rb
@@ -84,11 +84,7 @@ class Gem::Resolver::Specification
   def install options = {}
     require 'rubygems/installer'
 
-    destination = options[:install_dir] || Gem.dir
-
-    Gem.ensure_gem_subdirectories destination
-
-    gem = source.download spec, destination
+    gem = download options
 
     installer = Gem::Installer.at gem, options
 
@@ -97,6 +93,14 @@ class Gem::Resolver::Specification
     @spec = installer.install
   end
 
+  def download options
+    dir = options[:install_dir] || Gem.dir
+
+    Gem.ensure_gem_subdirectories dir
+
+    source.download spec, dir
+  end
+
   ##
   # Returns true if this specification is installable on this platform.