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

[Christian Hesse]

Christian Hesse <list at eworm.de> on Fri, 2021/05/28 17:55:
> Allan McRae <allan at archlinux.org> on Fri, 2021/05/28 22:52:
> > >> Does this
> > >> mean the "new" database on the hosts network could be long out of date,
> > >> but as long as it is newer than the local machine being updated, that
> > >> is what will be used?    
> > > 
> > > Well, out-of-date is a term that does barely match here...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 ones - even if out-of-date compared with a mirror.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.    
> > 
> > This does very little to convince me that the CacheServer proposal
> > should be used for databases.  
> 
> So let's implement CacheServer for package files only as described
> in FS#23407.
> 
> Apply my patch anyway to make pacman happy with pacredir. :)

Now that pacman 6.0.0 is in [core] we should have an idea of a solution at
least. Given that a number of caching solutions exist [0] having the header
solution around may be not the worst idea. So does this have a chance to be
committed?

Still the CacheServer directive for package files would not work with database
files. Thus it would not be a real solution for use with pacredir.
So would you accept a patch to disable the server error limit from
configuration and command line switch? That would kind of resolve the
issue but result in error messages still being thrown for me, however...
Had hoped to get rid of that.

[0]
https://wiki.archlinux.org/title/Pacman/Tips_and_tricks#Network_shared_pacman_cache
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