Anatol Pomozov authored May 18, 2020 and Allan McRae committed Jul 07, 2020

In case if *.pkg exists but *.sig file does not we still have to pass
the pkg to multi_download API.

To avoid redownloading *.pkg file we use CURLOPT_TIMECONDITION curl option.

Signed-off-by: Anatol Pomozov <anatol.pomozov@gmail.com>
Signed-off-by: Allan McRae <allan@archlinux.org>