machine:
  pre:
    - sudo curl --output /usr/local/bin/phantomjs https://s3.amazonaws.com/circle-downloads/phantomjs-2.1.1
dependencies:
  pre:
    - gem uninstall -i /home/ubuntu/.rvm/gems/ruby-2.3.3@global bundler
    - gem install bundler -v 1.13.7
database:
  post:
    - ruby groonga/init.rb

machine:
  pre:
    - sudo curl --output /usr/local/bin/phantomjs https://s3.amazonaws.com/circle-downloads/phantomjs-2.1.1
dependencies:
  pre:
    - gem uninstall --silent -i /home/ubuntu/.rvm/gems/ruby-2.3.3@global bundler
    - gem install bundler -v 1.13.7
database:
  post:
    - ruby groonga/init.rb

Add --silent option to uninstall silently
Add --silent option to uninstall silently
