class Bundler::Source::Path::Installer

def generate_bin
  return if spec.executables.nil? || spec.executables.empty?
  if Bundler.requires_sudo?
    FileUtils.mkdir_p(@tmp_bin_dir) unless File.exist?(@tmp_bin_dir)
  end
  super
  if Bundler.requires_sudo?
    Bundler.mkdir_p @gem_bin_dir
    spec.executables.each do |exe|
      Bundler.sudo "cp -R #{@tmp_bin_dir}/#{exe} #{@gem_bin_dir}"
    end
  end
end

def initialize(spec, options = {})
  @spec              = spec
  @tmp_bin_dir       = "#{Bundler.tmp(spec.full_name)}/bin"
  @gem_bin_dir       = "#{Bundler.rubygems.gem_dir}/bin"
  @bin_dir           = Bundler.requires_sudo? ? @tmp_bin_dir : @gem_bin_dir
  @gem_dir           = Bundler.rubygems.path(spec.full_gem_path)
  @wrappers          = options[:wrappers] || true
  @env_shebang       = options[:env_shebang] || true
  @format_executable = options[:format_executable] || false
  @build_args        = options[:build_args] || Bundler.rubygems.build_args
end