Fix rake release not prompting for OTP code

Co-authored-by: Colby Swandale <[email protected]>
Co-authored-by: Kevin Deisz <[email protected]>

lib/bundler/gem_helper.rb

@@ -106,7 +106,7 @@ def rubygem_push(path)
       unless allowed_push_host || Bundler.user_home.join(".gem/credentials").file?
         raise "Your rubygems.org credentials aren't set. Run `gem push` to set them."
       end
-      sh(gem_command)
+      sh_with_input(gem_command)
       Bundler.ui.confirm "Pushed #{name} #{version} to #{gem_push_host}"
     end
 
@@ -180,6 +180,13 @@ def name
       gemspec.name
     end
 
+    def sh_with_input(cmd)
+      Bundler.ui.debug(cmd)
+      SharedHelpers.chdir(base) do
+        abort unless Kernel.system(*cmd)
+      end
+    end
+
     def sh(cmd, &block)
       out, status = sh_with_status(cmd, &block)
       unless status.success?

spec/bundler/gem_helper_spec.rb

@@ -233,6 +233,12 @@ def mock_build_message(name, version)
 
             Rake.application["release"].invoke
           end
+
+          it "uses Kernel.system" do
+            expect(Kernel).to receive(:system).with("gem", "push", app_gem_path.to_s, "--host", "http://example.org").and_return(true)
+
+            Rake.application["release"].invoke
+          end
         end
 
         it "even if tag already exists" do
@@ -255,7 +261,7 @@ def mock_build_message(name, version)
       before(:each) do
         Rake.application = Rake::Application.new
         subject.install
-        allow(subject).to receive(:sh)
+        allow(subject).to receive(:sh_with_input)
       end
 
       after(:each) do