Rakefile in fast_gettext-0.6.7 vs Rakefile in fast_gettext-0.6.8

@@ -1,9 +1,11 @@
 require 'bundler/gem_tasks'
 
 task :default do
-  sh "AR='~>2' && (bundle || bundle install) && bundle exec rspec spec" # ActiveRecord 2
-  sh "AR='~>3' && (bundle || bundle install) && bundle exec rspec spec" # ActiveRecord 3
+  ['~>2', '~>3'].each do |version|
+    sh "export AR='#{version}' && (bundle check || bundle) && bundle exec rspec spec"
+  end
+  sh "git checkout Gemfile.lock"
 end
 
 task :benchmark do
   puts "Running on #{RUBY}"
   %w[baseline ideal fast_gettext original i18n_simple].each do |bench|