cheval --https --ipv4 -c us -c au -c gb --sort score --take 10 -o /etc/pacman.d/mirrorlist

Order of operation:

1. Filter
2. Score && Sort
3. Take

Filter mirrors by some criteria.

• Country
• HTTP/HTTPS capability
• IPv4/IPv6 capability

Score and then sort mirrors.

• Score given by the Mirror Status Page. Lower is better.
• Round trip time for a http get request

Limit the output to the first/best n mirrors.

The mirrorlist is cached between uses if it is not older then cache_secs (default: 3600 secs = 1h). To force a refresh of the list call the tool with the argument --cache-secs 0.

• reflector

• Mirror Status
• Mirror Status json Interface