Use specification stubs with RubyGems 2.1+ when constructing the local index

2 files changed, 24 insertions, 0 deletions

diff --git a/lib/bundler/remote_specification.rb b/lib/bundler/remote_specification.rb
index c80eaa40fc..ec971487cb 100644
--- a/lib/bundler/remote_specification.rb
+++ b/lib/bundler/remote_specification.rb
@@ -54,4 +54,20 @@ module Bundler
       end
     end
   end
+
+  class StubSpecification < RemoteSpecification
+    def self.from_stub(stub)
+      spec = new(stub.name, stub.version, stub.platform, nil)
+      spec.stub = stub
+      spec
+    end
+
+    attr_accessor :stub
+
+    private
+
+    def _remote_specification
+      stub.to_spec
+    end
+  end
 end
diff --git a/lib/bundler/rubygems_integration.rb b/lib/bundler/rubygems_integration.rb
index 3c6c658299..8250b2fd9f 100644
--- a/lib/bundler/rubygems_integration.rb
+++ b/lib/bundler/rubygems_integration.rb
@@ -561,12 +561,20 @@ module Bundler
       end
     end
 
+    # RubyGems 2.1.0
     class MoreFuture < Future
       def initialize
         super
         backport_ext_builder_monitor
       end
 
+      def all_specs
+        require 'bundler/remote_specification'
+        Gem::Specification.stubs.map do |stub|
+          StubSpecification.from_stub(stub)
+        end
+      end
+
       def backport_ext_builder_monitor
         require 'rubygems/ext'