class Aws::S3::MultipartFileUploader

def abort_upload(upload_id, options, errors)
  @client.abort_multipart_upload(
    bucket: options[:bucket],
    key: options[:key],
    upload_id: upload_id
  )
  msg = "multipart upload failed: #{errors.map(&:message).join("; ")}"
  raise MultipartUploadError.new(msg, errors)
rescue MultipartUploadError => error
  raise error
rescue => error
  msg = "failed to abort multipart upload: #{error.message}"
  raise MultipartUploadError.new(msg, errors + [error])
end