Hello Robin,

This is very valuable work. I will reply to some technical things in the patch email.

> On 23 Feb 2022, at 20:21, Robin Roevens <robin.roevens(a)disroot.org> wrote:
> 
> Hi all
> 
> While tinkering with pakfire to add effective use of the new metadata,
> remove more duplicate code and seperating some view and control for cleaner 
> usage in services.cgi et al; I had a few times where my VM lost
> connection to internet.  And there I found that pakfire started to fail
> in ugly ways. Ugly errors, even tar errors failing to untar the file it
> failed to download etc. 
> This lack of errorhandling was also the cause of meta-files sometimes 
> turning up empty. Also in some corner cases the list files could become 
> corrupted or some package dependencies could be skipped during install.
> 
> So I added proper errorhandling around file downloads: functions
> fetchfile, getmetafile and getmirrors now always return 0 (fail) or 1 (success).
> Fetchfile actually already had return values but those where never
> checked.
> So now, where required, these errorcodes are checked and proper error
> messages are displayed, or at least files are not overwritten with
> possibly corrupt files, making functions or even pakfire stop before 
> it tries to do things that depend on files that are not there due to earlier
> uncatched failures.

Yay!

-Michael

> Regards
> Robin
> 
> 
> 
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