[pacman-dev] [PATCH 1/1] support http header to indicate an expected failure

Fri May 28 12:26:27 UTC 2021

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On Fri, 28 May 2021, Christian Hesse wrote:

> Well, out-of-date is a term that does barely match here... pacman does known
> about the date of its current database files only. So yes, more recent
> database files are used as long as they are newer than the local ones - even
> if out-of-date compared with a mirror.
>
> That's why the pacredir documentation tells you to run `pacman -Sy` twice to
> be sure: First run fetches the newest database from local network, second run
> (where pacredir returns 404) fetches from mirror if a newer version is
> available.

Just some side-idea: why not consider all databases which are older than x 
minutes (where x is configurable) "out of date"? This would rely on having 
systemtimes in sync, but otherwise would get rid of the cumbersome 
double-`pacman -Syu`.

regards,
Erich

P.S.: I'm running something similar as you - but by far not as elaborate: 
two (for redundancy) nginx servers which cache packages and download 
databases directly.