class Bundler::Runtime

def setup(*groups)
  # Has to happen first
  clean_load_path
  specs = specs_for(*groups)
  cripple_rubygems(specs)
  # Activate the specs
  specs.each do |spec|
    Gem.loaded_specs[spec.name] = spec
    $LOAD_PATH.unshift(*spec.load_paths)
  end
  self
end