curl_easy_setopt(curl, CURLOPT_USERAGENT,
_config->Find("Acquire::https::User-Agent",
_config->Find("Acquire::http::User-Agent",
curl_easy_setopt(curl, CURLOPT_USERAGENT,
_config->Find("Acquire::https::User-Agent",
_config->Find("Acquire::http::User-Agent",