class Bundler::Source::Path::Installer

def generate_bin
  super
  if Bundler.requires_sudo?
    SharedHelpers.filesystem_access(@gem_bin_dir) do |p|
      Bundler.mkdir_p(p)
    end
    spec.executables.each do |exe|
      Bundler.sudo "cp -R #{@bin_dir}/#{exe} #{@gem_bin_dir}"
    end
  end
end