1 files changed, 23 insertions, 2 deletions
diff --git a/lib/rubygems/resolver/specification.rb b/lib/rubygems/resolver/specification.rb
index d158225474..4d77293262 100644
--- a/lib/rubygems/resolver/specification.rb
+++ b/lib/rubygems/resolver/specification.rb
@@ -31,6 +31,14 @@ class Gem::Resolver::Specification
   attr_reader :source
 
   ##
+  # The Gem::Specification for this Resolver::Specification.
+  #
+  # Implementers, note that #install updates @spec, so be sure to cache the
+  # Gem::Specification in @spec when overriding.
+
+  attr_reader :spec
+
+  ##
   # The version of the gem for this specification.
 
   attr_reader :version
@@ -48,6 +56,13 @@ class Gem::Resolver::Specification
   end
 
   ##
+  # Fetches development dependencies if the source does not provide them by
+  # default (see APISpecification).
+
+  def fetch_development_dependencies # :nodoc:
+  end
+
+  ##
   # The name and version of the specification.
   #
   # Unlike Gem::Specification#full_name, the platform is not included.
@@ -61,8 +76,11 @@ class Gem::Resolver::Specification
   # install method yields a Gem::Installer instance, which indicates the
   # gem will be installed, or +nil+, which indicates the gem is already
   # installed.
+  #
+  # After installation #spec is updated to point to the just-installed
+  # specification.
 
-  def install options
+  def install options = {}
     require 'rubygems/installer'
 
     destination = options[:install_dir] || Gem.dir
@@ -75,7 +93,7 @@ class Gem::Resolver::Specification
 
     yield installer if block_given?
 
-    installer.install
+    @spec = installer.install
   end
 
   ##
@@ -85,5 +103,8 @@ class Gem::Resolver::Specification
     Gem::Platform.match spec.platform
   end
 
+  def local? # :nodoc:
+    false
+  end
 end