bundle exec jekyll serve --drafts
bundle exec jekyll draft "My new draft"
bundle exec jekyll publish _drafts/my-new-draft.md --date 2014-01-24
brew install rbenv # or brew upgrade rbenv ruby-build
rbenv init
rbenv install 2.5.1
gem install bundler -v "$(grep -A 1 "BUNDLED WITH" Gemfile.lock | tail -n 1)"