You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: uploader.rb
    path of file: ./repos/vagrant/lib/vagrant/util
    
    the code of the file until where you have to start completion: # Copyright (c) HashiCorp, Inc.
# SPDX-License-Identifier: BUSL-1.1

require "uri"

require "log4r"
require "vagrant/util/busy"
require "vagrant/util/platform"
require "vagrant/util/subprocess"
require "vagrant/util/curl_helper"

module Vagrant
  module Util
    # This class uploads files using various protocols by subprocessing
    # to cURL. cURL is a much more capable and complete download tool than
    # a hand-rolled Ruby library, so we defer to its expertise.
    class Uploader
    
      def execute_curl(options, subprocess_options, &data_proc)
        options = options.dup
        options << subprocess_options

        # Create the callback that is called if we are interrupted
        interrupted  = false
        int_callback = Proc.new do
          @logger.info("Uploader interrupted!")
          interrupted = true
        end

        # Execute!
        result = Busy.busy(int_callback) do
          Subprocess.execute("curl", *options, &data_proc)
        end

        # If the upload was interrupted, then raise a specific error
        raise Errors::UploaderInterrupted if interrupted

        # If it didn't exit successfully, we need to parse the data and
        # show an error message.
        if result.exit_code != 0
          @logger.warn("Uploader exit code: #{result.exit_code}")
          check = result.stderr.match(/\n*curl:\s+\((?<code>\d+)\)\s*(?<error>.*)$/)
          if !check
            err_msg = result.stderr
          else
            err_msg = check[:error]
          end