zipped_stream (Gem::Package::TarInput)

    # File lib/rubygems/package.rb, line 616
        def zipped_stream(entry)
          # This is Jamis Buck's ZLib workaround.  The original code is
          # commented out while we evaluate this patch.
          entry.read(10) # skip the gzip header
          zis = Zlib::Inflate.new(-Zlib::MAX_WBITS)
          is = StringIO.new(zis.inflate(entry.read))
          # zis = Zlib::GzipReader.new entry
          # dis = zis.read
          # is = StringIO.new(dis)
        ensure
          zis.finish if zis
        end