Re: Cache eviction policy of ‘guix publish’

[ludo@gnu.org (Ludovic Courtès)]

ludo@gnu.org (Ludovic Courtès) skribis:

> Mark H Weaver <mhw@netris.org> skribis:
>
>> ludo@gnu.org (Ludovic Courtès) writes:
>>
>>> Mark H Weaver <mhw@netris.org> skribis:
>>>
>>>> How about simply adding an option to 'guix publish' that prevents any
>>>> NAR/NARINFO from being expired from the cache as long as the
>>>> corresponding item is present in the store?  It could be called
>>>> something like --never-expire-valid-store-items.
>>>>
>>>> More concretely, at the point in the code where a cache item is expired
>>>> in the current code, insert an additional check: if the
>>>> --never-expire-valid-store-items option is enabled and the corresponding
>>>> store path is still valid, then do not expire it.
>>>>
>>>> What do you think?
>>>
>>> Good idea.  The patch below implements this policy.  I’m tempted to just
>>> make that policy the default and not even add a command-line option to
>>> switch to the current policy.  WDYT?
>>
>> Sure, sounds good to me.
>
> Pushed as c95644f0172ba87822ee7ecee3d2743ebd2c84bc.
>
> I’ll update ‘guix publish’ on hydra.gnu.org sometime next week if nobody
> beats me at it.

Done!

Ludo’.