GNU bug report logs - #47919
Sourcing environment-variables may send to wrong directory

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Alexandre Hannud Abdo <abdo <at> member.fsf.org>
To: bug-guix <at> gnu.org
Subject: Sourcing environment-variables may send to wrong directory
Date: Tue, 20 Apr 2021 22:37:09 +0200

Ni!

While debugging a package definition I met the following odd behavior:

On subsequent failed builds, if I go to build dir and source
'environment-variables', this is what happens:


/tmp/guix-build-[package].drv-1$ source environment-variables
/tmp/guix-build-[package].drv-0/[package]$


See how I source it in failed build '-1', but my cwd gets changed to
failed build '-0'!

Cheers,
ale
.~´

Message #8 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Tobias Geerinckx-Rice <me <at> tobias.gr>
To: Alexandre Hannud Abdo <abdo <at> member.fsf.org>
Cc: bug-guix <at> gnu.org, 47919 <at> debbugs.gnu.org
Subject: Re: bug#47919: Sourcing environment-variables may send to wrong
 directory
Date: Tue, 20 Apr 2021 23:20:12 +0200

[Message part 1 (text/plain, inline)]

Alexandre,

Alexandre Hannud Abdo writes:
> /tmp/guix-build-[package].drv-1$ source environment-variables
> /tmp/guix-build-[package].drv-0/[package]$

If Guix used a different build directory depending on how many 
previous builds were kept, many builds would become 
irreproducible.

Instead, Guix always uses .drv-0 inside the build container.  When 
you pass --keep and the build fails and .drv-0 already exists on 
the host, it's renamed.

If you want ‘environment-variables’ to match the environment 
outside of the container, rename /tmp/guix-build-[package].drv-1 
to /tmp/guix-build-[package].drv-0.

Kind regards,

T G-R

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Message #16 received at 47919-done <at> debbugs.gnu.org (full text, mbox):

From: Alexandre Hannud Abdo <abdo <at> member.fsf.org>
To: 47919-done <at> debbugs.gnu.org
Subject: Sourcing environment-variables may send to wrong directory
Date: Fri, 12 Jan 2024 22:32:20 +0100

Ni! I see. Thanks for the explanation. .~´

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