There is a bug in the Rails/ContentTag cop that causes rubocop to crash. The bug has already been fixed and so should be available in the next release.
See https://github.com/rubocop/rubocop-rails/issues/543
gem "rubocop"
gem "rubocop-minitest"
gem "rubocop-performance"
- gem "rubocop-rails"
+ gem "rubocop-rails", "~> 2.11.3" # Bug in 2.12.0, fixed in master after 2.12.2
gem "rubocop-rake"
gem "selenium-webdriver"
gem "simplecov", :require => false
rubocop-performance (1.11.5)
rubocop (>= 1.7.0, < 2.0)
rubocop-ast (>= 0.4.0)
- rubocop-rails (2.12.2)
+ rubocop-rails (2.11.3)
activesupport (>= 4.2.0)
rack (>= 1.1)
rubocop (>= 1.7.0, < 2.0)
rubocop
rubocop-minitest
rubocop-performance
- rubocop-rails
+ rubocop-rails (~> 2.11.3)
rubocop-rake
sanitize
sassc-rails