Gem::Package::TarWriter::BoundedStream#write

# File tmp/rubies/ruby-3.0.5/lib/rubygems/package/tar_writer.rb, line 40
def write(data)
  if data.bytesize + @written > @limit
    raise FileOverflow, "You tried to feed more data than fits in the file."
  end
  @io.write data
  @written += data.bytesize
  data.bytesize
end