replace_entrypoints

# File lib/bundler/rubygems_integration.rb, line 511
    def replace_entrypoints(specs)
      specs_by_name = specs.reduce({}) do |h, s|
        h[s.name] = s
        h
      end

      replace_gem(specs, specs_by_name)
      stub_rubygems(specs)
      replace_bin_path(specs, specs_by_name)
      replace_refresh

      Gem.clear_paths
    end