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From: Tobias Geerinckx-Rice via Guix-patches via <guix-patches@gnu.org>
To: Mathieu Othacehe <othacehe@gnu.org>
Cc: 52805@debbugs.gnu.org
Subject: [bug#52805] [PATCH] substitute: Add a ‘--clear-cache’ option.
Date: Mon, 27 Dec 2021 22:20:16 +0100	[thread overview]
Message-ID: <87pmphhg8q.fsf@nckx> (raw)
In-Reply-To: <87ee5x7nwj.fsf@gnu.org>

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Hi Mathieu,

Thanks for the review!

Mathieu Othacehe 写道:
> This script is invoked by the daemon as root. In that context,
> %narinfo-cache-directory is "/var/guix/substitute/cache", 
> whereas when
> run as an user it is likely: "~/.cache/guix/substitute".

Correct.

> That would mean that users need to run "sudo guix substitute
> --clear-cache".

If they want to clear /var instead of ~/.cache, sure.

That sounds like a sane interface, if clearing ‘root’'s cache were 
the intention?  How would you even do that without sudo, 
privilege-wise?

> Moreover this script is an internal undocumented tool,
> so I'm not in favor of adding user commands to it.

OK.

The point was to have a little command I could ask other users to 
run, that's guaranteed to clear the correct directory, and doesn't 
involve a spooky rm (which saves some back-and-forth :-).

> Maybe "guix gc" would be a better place?

No, I'd rather not add yet another option to ‘guix gc’ that has 
nothing to do with GC.

Kind regards,

T G-R

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  reply	other threads:[~2021-12-27 21:47 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-26 16:21 [bug#52805] [PATCH] substitute: Add a ‘--clear-cache’ option Tobias Geerinckx-Rice via Guix-patches via
2021-12-27 21:12 ` Mathieu Othacehe
2021-12-27 21:20   ` Tobias Geerinckx-Rice via Guix-patches via [this message]
2021-12-29 16:49     ` zimoun
2022-01-05 20:59     ` Ludovic Courtès
2022-01-05 22:41       ` Tobias Geerinckx-Rice via Guix-patches via
2022-01-11 12:47         ` Ludovic Courtès
2022-01-11 18:00           ` Tobias Geerinckx-Rice via Guix-patches via
2022-01-12 21:04             ` Ludovic Courtès

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