class Bundler::Source::Path

def install(spec, options = {})
  using_message = "Using #{version_message(spec, options[:previous_spec])} from #{self}"
  using_message += " and installing its executables" unless spec.executables.empty?
  print_using_message using_message
  generate_bin(spec, :disable_extensions => true)
  nil # no post-install message
end