Simplify rubygems path transmission

Since the RSpec task now uses the RSpec binstub, we can rely on all the
dance done in there.

1 files changed, 1 insertions, 2 deletions

diff --git a/Rakefile b/Rakefile
index 23534f9870..a775b0ee27 100644
--- a/Rakefile
+++ b/Rakefile
@@ -167,8 +167,7 @@ namespace :spec do
         end
 
         puts "Checked out rubygems '#{rg}' at #{hash}"
-        ENV["RUBYOPT"] = "-I#{File.join(RUBYGEMS_REPO, "lib")} #{rubyopt}"
-        puts "RUBYOPT=#{ENV["RUBYOPT"]}"
+        ENV["RGV"] = rg
       end
 
       task rg => ["clone_rubygems_#{rg}"]