class Bundler::GemInstaller

def install_from_spec
  post_install_message = install
  Bundler.ui.debug "#{worker}:  #{spec.name} (#{spec.version}) from #{spec.loaded_from}"
  generate_executable_stubs
  return true, post_install_message
rescue Bundler::InstallHookError, Bundler::SecurityError, Bundler::APIResponseMismatchError
  raise
rescue Errno::ENOSPC
  return false, out_of_space_message
rescue Bundler::BundlerError, Gem::InstallError, Bundler::APIResponseInvalidDependenciesError => e
  return false, specific_failure_message(e)
end