task :release do
  version = RSpec::Core::VERSION.split('.')[0,2].join('.')
  docs_dir = "docs/#{version}"
  sh "yard -o pages-tmp"
  sh "git checkout gh-pages"
  rm_rf docs_dir
  mv pages-tmp, docs_dir
  sh "git add #{docs_dir}"
  sh "git commit -m 'Update docs for #{version}'"
  sh "git push"
end