1 files changed, 15 insertions, 4 deletions
diff --git a/spec/support/path.rb b/spec/support/path.rb
index a8bc50f5f4..97153226bd 100644
--- a/spec/support/path.rb
+++ b/spec/support/path.rb
@@ -5,19 +5,19 @@ require "pathname"
 module Spec
   module Path
     def root
-      @root ||= Pathname.new(File.expand_path("../../..", __FILE__))
+      @root ||= Pathname.new(ruby_core? ? "../../../.." : "../../..").expand_path(__FILE__)
     end
 
     def gemspec
-      @gemspec ||= Pathname.new(File.expand_path(root.join("bundler.gemspec"), __FILE__))
+      @gemspec ||= root.join(ruby_core? ? "lib/bundler.gemspec" : "bundler.gemspec")
     end
 
     def bindir
-      @bindir ||= Pathname.new(File.expand_path(root.join("exe"), __FILE__))
+      @bindir ||= root.join(ruby_core? ? "bin" : "exe")
     end
 
     def spec_dir
-      @spec_dir ||= Pathname.new(File.expand_path(root.join("spec"), __FILE__))
+      @spec_dir ||= root.join(ruby_core? ? "spec/bundler" : "spec")
     end
 
     def tmp(*path)
@@ -110,6 +110,17 @@ module Spec
       tmp "tmpdir", *args
     end
 
+    def ruby_core?
+      # avoid to wornings
+      @ruby_core ||= nil
+
+      if @ruby_core.nil?
+        @ruby_core = true & (ENV["BUNDLE_RUBY"] && ENV["BUNDLE_GEM"])
+      else
+        @ruby_core
+      end
+    end
+
     extend self
   end
 end