Bundler Cheat Sheet

Rake Gem tasks

# Rakefile
require 'bundler/gem_tasks'

Terminal:

$ rake release

$ rake build

Local gem development

In your Gemfile, define a Git source and a branch:
gem 'hello', github: 'rstacruz/hello', branch: 'master'
And then:
$ bundle config --global local.xxx ~/projects/xxx

Deployment

$ bundle install --without=test,development --deployment

Grouping

group :development do

  gem 'hello'

end

Github support

gem 'hello', github: 'rstacruz/hello'

gem 'hello', github: 'rstacruz/hello', 'branch: master'

Gems

gem 'hello'

gem 'hello', group: 'development'

Commands

bundle                  # same as bundle install

bundle install          # installs gems

bundle install -j3      # faster (3 jobs)

bundle update           # update all gems

bundle update --source gemname  # update specified gem

bundle outdated         # show outdated gems

cd bundle show rails  # inspect a gem's dir

bundle gem              # new gem skeleton

Reference

• Bundler Cheat Sheet - Cheat Sheet Maker