# File lib/bundler/plugin/index.rb, line 25
      def initialize
        @plugin_paths = {}
        @commands = {}
        @sources = {}
        @hooks = {}
        @load_paths = {}

        begin
          load_index(global_index_file, true)
        rescue GenericSystemCallError
          # no need to fail when on a read-only FS, for example
          nil
        end
        load_index(local_index_file) if SharedHelpers.in_bundle?
      end