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From: Maxim Cournoyer <maxim.cournoyer@gmail.com>
To: "Ludovic Courtès" <ludo@gnu.org>
Cc: 56618@debbugs.gnu.org, Andrew Tropin <andrew@trop.in>
Subject: [bug#56618] [PATCH 0/2] Let 'guix gc -d' delete old Home generations
Date: Thu, 21 Jul 2022 16:10:00 -0400	[thread overview]
Message-ID: <87y1wmp6qv.fsf@gmail.com> (raw)
In-Reply-To: <87v8rqn8a7.fsf@gnu.org> ("Ludovic Courtès"'s message of "Thu, 21 Jul 2022 11:07:28 +0200")

Hi Ludo,

Ludovic Courtès <ludo@gnu.org> writes:

> Hi,
>
> Andrew Tropin <andrew@trop.in> skribis:
>
>> BTW, a little offtopic (related to gc, but not related to these changes)
>> problem I have, which is very annoying: After guix gc, guix home
>> rebuilds/redownloads a lot of stuff.  The configuration and channels are
>> absolutely the same.
>>
>> guix home reconfigure home-configs.scm # builds/downloads a lot of stuff
>> guix gc
>> guix home reconfigure home-configs.scm # do everything again
>>
>> Am I missing something and it is expected behavior or is it a bug?
>
> It’s an expected annoyance: to determine whether a graft needs to be
> applied, we first need to download/build the ungrafted variant, which is
> why you’re seeing this (this is worsened by the fact that many packages
> are candidates for grafting currently on ‘master’).

A perhaps naive idea: could we register GC roots for the ungrafted
variant when grafted?  To avoid having to fetch it anew following 'guix
gc' ?

Thanks,

Maxim




  reply	other threads:[~2022-07-21 20:11 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-07-17 15:19 [bug#56618] [PATCH 0/2] Let 'guix gc -d' delete old Home generations Ludovic Courtès
2022-07-17 15:21 ` [bug#56618] [PATCH 1/2] home: Add 'home-generation-base' Ludovic Courtès
2022-07-17 15:21   ` [bug#56618] [PATCH 2/2] guix gc: '--delete-generations' now deletes old Home generations Ludovic Courtès
2022-07-18 12:51   ` [bug#56618] [PATCH 1/2] home: Add 'home-generation-base' Andrew Tropin
2022-07-19  8:01     ` Ludovic Courtès
2022-07-18 12:59 ` [bug#56618] [PATCH 0/2] Let 'guix gc -d' delete old Home generations Andrew Tropin
2022-07-19  8:28   ` Ludovic Courtès
2022-07-19  9:46     ` Andrew Tropin
2022-07-21  9:07       ` Ludovic Courtès
2022-07-21 20:10         ` Maxim Cournoyer [this message]
2022-07-22 12:20           ` Ludovic Courtès
2022-07-25  2:04             ` Maxim Cournoyer
2022-08-01 12:39               ` Ludovic Courtès
2022-07-22 22:42 ` bug#56618: " Ludovic Courtès

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