From: ludo@gnu.org (Ludovic Courtès)
To: "Thompson, David" <dthompson2@worcester.edu>
Cc: guix-devel <guix-devel@gnu.org>
Subject: Re: Some newbie questions
Date: Thu, 29 Oct 2015 21:32:31 +0100 [thread overview]
Message-ID: <87eggd8lgg.fsf@gnu.org> (raw)
In-Reply-To: <CAJ=RwfZZiNO+0UBsWQgV86spjKCSp3m1y38FS_5L3SDAYo_G=w@mail.gmail.com> (David Thompson's message of "Thu, 29 Oct 2015 09:23:53 -0400")
"Thompson, David" <dthompson2@worcester.edu> skribis:
> On Thu, Oct 29, 2015 at 6:08 AM, Jan Synáček <jan.synacek@gmail.com> wrote:
>> Hello,
>>
>> I've been playing with guix a bit and I must say I really like it. I don't
>> understand a few things though.
>>
>> 1) How do I tell if a package I have installed had been built locally or
>> downloaded as a substitute?
>
> You don't.
There’s a trick that ‘guix challenge’ uses to determine whether
something was locally built or substituted: run ‘guix build --log-file
whatever’ and see whether that returns a local build log or not.
This is a fairly reliable way to get that information. There can be
false-negatives if you remove logs. There cannot be false positives,
AFAICS, since even ‘guix archive --import’ of something already present
does not actually overwrite it.
It cannot tell the difference between really locally-built and offloaded
builds, though.
Ludo’.
prev parent reply other threads:[~2015-10-29 20:32 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-29 10:08 Some newbie questions Jan Synáček
2015-10-29 13:23 ` Thompson, David
2015-10-29 20:29 ` Jan Synáček
2015-10-29 21:11 ` Adam Pribyl
2015-10-29 21:30 ` Andreas Enge
2015-10-30 16:35 ` Ludovic Courtès
2015-10-29 20:32 ` Ludovic Courtès [this message]
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