1 files changed, 15 insertions, 2 deletions
diff --git a/lib/bundler/source_map.rb b/lib/bundler/source_map.rb
index a554f26f76..ca73e01f9d 100644
--- a/lib/bundler/source_map.rb
+++ b/lib/bundler/source_map.rb
@@ -2,11 +2,12 @@
 
 module Bundler
   class SourceMap
-    attr_reader :sources, :dependencies
+    attr_reader :sources, :dependencies, :locked_specs
 
-    def initialize(sources, dependencies)
+    def initialize(sources, dependencies, locked_specs)
       @sources = sources
       @dependencies = dependencies
+      @locked_specs = locked_specs
     end
 
     def pinned_spec_names(skip = nil)
@@ -54,5 +55,17 @@ module Bundler
         requirements
       end
     end
+
+    def locked_requirements
+      @locked_requirements ||= begin
+        requirements = {}
+        locked_specs.each do |locked_spec|
+          source = locked_spec.source
+          source.add_dependency_names(locked_spec.name)
+          requirements[locked_spec.name] = source
+        end
+        requirements
+      end
+    end
   end
 end