lib/bundler.rb in bundler-1.13.1 vs lib/bundler.rb in bundler-1.13.2

@@ -436,10 +436,13 @@
     end
 
     def configure_gem_path(env = ENV, settings = self.settings)
       blank_home = env["GEM_HOME"].nil? || env["GEM_HOME"].empty?
       if settings[:disable_shared_gems]
-        env["GEM_PATH"] = nil
+        # this needs to be empty string to cause
+        # PathSupport.split_gem_path to only load up the
+        # Bundler --path setting as the GEM_PATH.
+        env["GEM_PATH"] = ""
       elsif blank_home || Bundler.rubygems.gem_dir != bundle_path.to_s
         possibles = [Bundler.rubygems.gem_dir, Bundler.rubygems.gem_path]
         paths = possibles.flatten.compact.uniq.reject(&:empty?)
         env["GEM_PATH"] = paths.join(File::PATH_SEPARATOR)
       end