https://manpages.ubuntu.com/manpages/questing/man3/CURLOPT_XFERINFOFUNCTION.3.html
Ubuntu Manpage: CURLOPT_XFERINFOFUNCTION - progress meter callback
progress meter callback
progress meterubuntumanpagecallback
https://lists.archlinux.org/archives/list/pacman-dev@lists.archlinux.org/thread/DRD3ZIVXBXMPXV2OOXM2ZK5RQS6GOPFV/
[pacman-dev] [PATCH] Replace CURLOPT_PROGRESSFUNCTION with CURLOPT_XFERINFOFUNCTION - Pacman-dev -...
pacmandevpatchreplace