以下はこれを前提に
curl -sSL https://rvm.io/mpapis.asc | gpg --import - curl -sSL https://rvm.io/pkuczynski.asc | gpg --import - curl -sSL https://get.rvm.io | sudo bash -s stable rvm reload
rvm install x.y.z rvm use x.y.z --default
gem install bunlder gem install rails
railsプロジェクト作成直後にGemfileを編集
# gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby] gem 'tzinfo-data'
HAML_RAILS_DELETE_ERB=true rails haml:erb2haml