.travis.yml

@@ -15,6 +15,3 @@ before_script:
 addons:
   code_climate:
     repo_token: 8850bccc6911d74965627b1fafe753beb368fab00d33de0c7576c6598fc1220e
-script:
-  - bundle exec rake
-  - bundle exec rubocop

Gemfile

@@ -30,7 +30,7 @@ else
   when 'postgresql'
     gem 'pg'
   when 'mysql2'
-    gem 'mysql2'
+    gem 'mysql2', '~> 0.3.18'
   else
     raise "Don't know what gem to use for adapter #{adapter}"
   end

lib/active_support_patch.rb

@@ -8,14 +8,14 @@ def mail_to(email_address, name = nil, html_options = {}, &block)
         html_options, name = name, nil if block_given?
         html_options = (html_options || {}).stringify_keys
 
-        extras = %w{ cc bcc body subject }.map! { |item|
+        extras = %w( cc bcc body subject ).map! { |item|
           option = html_options.delete(item) || next
           "#{item}=#{Rack::Utils.escape_path(option)}"
         }.compact
         extras = extras.empty? ? '' : '?' + extras.join('&')
 
-        encoded_email_address = ERB::Util.url_encode(email_address.to_str).gsub("%40", "@")
-        html_options["href"] = "mailto:#{encoded_email_address}#{extras}"
+        encoded_email_address = ERB::Util.url_encode(email_address.to_str).gsub('%40', '@')
+        html_options['href'] = "mailto:#{encoded_email_address}#{extras}"
 
         content_tag(:a, name || email_address, html_options, &block)
       end

lib/tasks/rubocop.rake

@@ -0,0 +1,5 @@
+require 'rubocop/rake_task'
+
+RuboCop::RakeTask.new
+
+task default: :rubocop