class Chef::Knife::Core::WindowsBootstrapContext

def trusted_certs_content

This string should contain both the commands necessary to both create the files, as well as their content
Returns a string for copying the trusted certificates on the workstation to the system being bootstrapped 
def trusted_certs_content
  content = ""
  if chef_config[:trusted_certs_dir]
    Dir.glob(File.join(ChefConfig::PathHelper.escape_glob_dir(chef_config[:trusted_certs_dir]), "*.{crt,pem}")).each do |cert|
      content << "> #{bootstrap_directory}/trusted_certs/#{File.basename(cert)} (\n" +
        escape_and_echo(IO.read(File.expand_path(cert))) + "\n)\n"
    end
  end
  content
end