class Gem::ConfigFile

def set_config_file_name(args)
  @config_file_name = ENV["GEMRC"]
  need_config_file_name = false
  args.each do |arg|
    if need_config_file_name
      @config_file_name = arg
      need_config_file_name = false
    elsif arg =~ /^--config-file=(.*)/
      @config_file_name = $1
    elsif arg =~ /^--config-file$/
      need_config_file_name = true
    end
  end
end