Clean RUBYLIB as well in `with_clean_env`

refs #3982

2 files changed, 11 insertions, 6 deletions

diff --git a/lib/bundler.rb b/lib/bundler.rb
index 28d488dc18..3d56adec2b 100644
--- a/lib/bundler.rb
+++ b/lib/bundler.rb
@@ -275,10 +275,17 @@ module Bundler
       with_original_env do
         ENV["MANPATH"] = ENV["BUNDLE_ORIG_MANPATH"]
         ENV.delete_if {|k, _| k[0, 7] == "BUNDLE_" }
-        if ENV.key? "RUBYOPT"
+
+        if ENV.key?("RUBYOPT")
           ENV["RUBYOPT"] = ENV["RUBYOPT"].sub "-rbundler/setup", ""
-          ENV["RUBYOPT"] = ENV["RUBYOPT"].sub "-I#{File.expand_path("..", __FILE__)}", ""
         end
+
+        if ENV.key?("RUBYLIB")
+          rubylib = ENV["RUBYLIB"].split(File::PATH_SEPARATOR)
+          rubylib.delete(File.expand_path("..", __FILE__))
+          ENV["RUBYLIB"] = rubylib.join(File::PATH_SEPARATOR)
+        end
+
         yield
       end
     end
diff --git a/spec/runtime/with_clean_env_spec.rb b/spec/runtime/with_clean_env_spec.rb
index e47e32c2cb..eed024a398 100644
--- a/spec/runtime/with_clean_env_spec.rb
+++ b/spec/runtime/with_clean_env_spec.rb
@@ -42,15 +42,13 @@ describe "Bundler.with_env helpers" do
     end
 
     it "should not pass RUBYOPT changes" do
-      lib_path = File.expand_path("../../../lib", __FILE__)
-      Bundler::ORIGINAL_ENV["RUBYOPT"] = " -I#{lib_path} -rbundler/setup"
+      Bundler::ORIGINAL_ENV["RUBYOPT"] = " -rbundler/setup"
 
       Bundler.with_clean_env do
         expect(`echo $RUBYOPT`.strip).not_to include "-rbundler/setup"
-        expect(`echo $RUBYOPT`.strip).not_to include "-I#{lib_path}"
       end
 
-      expect(Bundler::ORIGINAL_ENV["RUBYOPT"]).to eq(" -I#{lib_path} -rbundler/setup")
+      expect(Bundler::ORIGINAL_ENV["RUBYOPT"]).to eq(" -rbundler/setup")
     end
 
     it "cleans RUBYLIB" do