From: "Ludovic Courtès" <ludo@gnu.org>
To: Maxime Devos <maximedevos@telenet.be>
Cc: 50982@debbugs.gnu.org, Xinglu Chen <public@yoctocell.xyz>
Subject: [bug#50982] [PATCH] scripts: home/system: Don’t throw an error if no generations exist.
Date: Tue, 19 Oct 2021 15:59:08 +0200 [thread overview]
Message-ID: <87o87l86ab.fsf_-_@gnu.org> (raw)
In-Reply-To: <dcec2546aea2940cae52274422a643ef5a0189da.camel@telenet.be> (Maxime Devos's message of "Sun, 03 Oct 2021 10:53:31 +0200")
Hi Xinglu,
Did you have a chance to look into this?
TIA!
Ludo’.
Maxime Devos <maximedevos@telenet.be> skribis:
> Xinglu Chen schreef op za 02-10-2021 om 23:05 [+0200]:
>> Previously, When running ‘guix home describe’ or ‘guix system describe’ prior
>> to having any generations, a backtrace would produced. Since not having any
>> existing generations is not an error, a warning would be enough.
>>
>> $ guix system describe
>> guix system: warning: no system generation, nothing to describe
>
> Printing a warning instead of an error to avoid a backrace isn't necessary.
> E.g., "guix show i-do-not-exists" prints an error
> ‘guix show: error: i-do-not-exist: package not found’.
>
> I suggest using (leave (G_ "bla bla")) instead of (error (G_ "bla bla"))
> for these kind of errors, it appears to work '%find-package' in (gnu packages).
>
> I don't know if the output of "guix system describe" and "guix home describe"
> should be an error or warning here ...
>
> Greetings,
> Maxime.
next prev parent reply other threads:[~2021-10-19 14:00 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-02 21:05 [bug#50982] [PATCH] scripts: home/system: Don’t throw an error if no generations exist Xinglu Chen
2021-10-03 8:53 ` Maxime Devos
2021-10-19 13:59 ` Ludovic Courtès [this message]
2021-10-30 11:18 ` Xinglu Chen
2021-10-30 14:24 ` Ludovic Courtès
2022-01-06 10:28 ` bug#50982: " Ludovic Courtès
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