Gemfile

gistfile1.rb

ruby '1.9.3'

def local_group(*g, &block)
  on_heroku = (ENV['HOME'].gsub('/','') == 'app')

  if on_heroku
    group(:test, &block)
  else
    group(*g, &block)
  end
end

# Built everywhere
gem 'rails'

# Excluded properly on Cedar
group :test do
  gem 'foo'
end

# Cannot be excluded from Heroku...UNTIL NOW
local_group :custom do
  gem 'bar'
end