GNU bug report logs - #63234
cached guix shell environment not capturing environment variables set in manifest

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

From: Maxim Cournoyer <maxim.cournoyer <at> gmail.com>
To: bug-guix <bug-guix <at> gnu.org>
Subject: cached guix shell environment not capturing environment variables
 set in manifest
Date: Tue, 02 May 2023 11:34:59 -0400

Hi Guix,

Consider the following manifest.scm file:

--8<---------------cut here---------------start------------->8---
(setenv "DUMMY" "hello")

(packages->manifest
 (map specification->package
      (list "hello")))
--8<---------------cut here---------------end--------------->8---

Running:

--8<---------------cut here---------------start------------->8---
$ guix shell --rebuild-cache -m manifest.scm -- sh -c 'echo $DUMMY'
hello

$ guix shell -m manifest.scm -- sh -c 'echo $DUMMY'
--8<---------------cut here---------------end--------------->8---

I think this is a recent behavior change, otherwise I wouldn't have
gotten fond of that trick ;-).

-- 
Thanks,
Maxim

Message #8 received at 63234 <at> debbugs.gnu.org (full text, mbox):

From: Ludovic Courtès <ludo <at> gnu.org>
To: Maxim Cournoyer <maxim.cournoyer <at> gmail.com>
Cc: 63234 <at> debbugs.gnu.org
Subject: Re: bug#63234: cached guix shell environment not capturing
 environment variables set in manifest
Date: Tue, 02 May 2023 17:48:57 +0200

Hi,

Maxim Cournoyer <maxim.cournoyer <at> gmail.com> skribis:

> Consider the following manifest.scm file:
>
> (setenv "DUMMY" "hello")
>
> (packages->manifest
>  (map specification->package
>       (list "hello")))
>
>
> Running:
>
> $ guix shell --rebuild-cache -m manifest.scm -- sh -c 'echo $DUMMY'
> hello
>
> $ guix shell -m manifest.scm -- sh -c 'echo $DUMMY'
>
> I think this is a recent behavior change, otherwise I wouldn't have
> gotten fond of that trick ;-).

Hmm, I don’t think it’s a recent change.  It’s a trick that might work
“by chance” but cannot be relied on.

Not-a-bug to me!

Ludo’.

Message #13 received at 63234-done <at> debbugs.gnu.org (full text, mbox):

From: Maxim Cournoyer <maxim.cournoyer <at> gmail.com>
To: Ludovic Courtès <ludo <at> gnu.org>
Cc: 63234-done <at> debbugs.gnu.org
Subject: Re: bug#63234: cached guix shell environment not capturing
 environment variables set in manifest
Date: Tue, 02 May 2023 22:11:55 -0400

Hi,

Ludovic Courtès <ludo <at> gnu.org> writes:

> Hi,
>
> Maxim Cournoyer <maxim.cournoyer <at> gmail.com> skribis:
>
>> Consider the following manifest.scm file:
>>
>> (setenv "DUMMY" "hello")
>>
>> (packages->manifest
>>  (map specification->package
>>       (list "hello")))
>>
>>
>> Running:
>>
>> $ guix shell --rebuild-cache -m manifest.scm -- sh -c 'echo $DUMMY'
>> hello
>>
>> $ guix shell -m manifest.scm -- sh -c 'echo $DUMMY'
>>
>> I think this is a recent behavior change, otherwise I wouldn't have
>> gotten fond of that trick ;-).
>
> Hmm, I don’t think it’s a recent change.  It’s a trick that might work
> “by chance” but cannot be relied on.
>
> Not-a-bug to me!

Ah!  Okay then :-).  I'll stop using such trick.

-- 
Thanks,
Maxim

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