bug#43920: [SHEPHERD PATCH] shepherd: Move log file to XDG_CACHE_DIR.

[Ludovic Courtès]

Hi,

Ludovic Courtès <ludo@gnu.org> skribis:

> Efraim Flashner <efraim@flashner.co.il> skribis:
>
>> On October 24, 2020 4:15:33 PM UTC, "Ludovic Courtès" <ludo@gnu.org> wrote:
>
> [...]
>
>>>>> The previous location wasn’t perfect, but the proposed one isn’t
>>>>> great
>>>>> either: one can generally assume “rm -rf ~/.cache” won’t lose
>>>>> anything
>>>>> that cannot be reconstructed, and the log is something that cannot be
>>>>> reconstructed.
>
> [...]
>
>> I don't think it's really data, it's not like it belongs in something/share. 
>> As another data point keybase writes its (verbose) logs in .cache/keybase.
>
> To me the question whether it’s OK to lose the log.  In a way, storing
> the log in ~/.cache akin to storing it in /tmp.
>
> If we agree on that, then we have the choice between ~/.local/share
> aka. XDG_DATA_HOME (like Xorg does), or maybe using ~/.local/var/log or
> something similar that goes beyond XDG?

I pushed a variant of your patch that uses XDG_DATA_HOME instead:

  
https://git.savannah.gnu.org/cgit/shepherd.git/commit/?id=c6382a6898f2851d78b675f209787c5ff9ad4320

There’s a now ‘%user-log-dir’ so it’ll be easier to adjust going
forward if we change our mind.

Thanks,
Ludo’.