fetch_all_remote_specs

# File lib/bundler/rubygems_integration.rb, line 758
      def fetch_all_remote_specs(remote)
        source = remote.uri.is_a?(URI) ? remote.uri : URI.parse(source.to_s)

        specs = fetch_specs(source, remote, "specs")
        pres = fetch_specs(source, remote, "prerelease_specs") || []

        specs.concat(pres)
      end