GNU bug report logs - #58841
repl ignores modules from the channel added to time-machine

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

From: "alexander barakin (aka sash-kan)" <alex <at> barak.in>
To: "bug-guix <at> gnu.org" <bug-guix <at> gnu.org>
Subject: repl ignores modules from the channel added to time-machine
Date: Fri, 28 Oct 2022 19:27:22 +0300

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[report.txt (text/plain, attachment)]

Message #8 received at 58841 <at> debbugs.gnu.org (full text, mbox):

From: "alexander barakin (aka sash-kan)" <alex <at> barak.in>
To: 58841 <at> debbugs.gnu.org
Subject: Re: bug#58841: Acknowledgement (repl ignores modules from the
 channel added to time-machine)
Date: Fri, 28 Oct 2022 21:28:38 +0300

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

explanation:

## current configuration:
$ guix describe --format=channels
(list (channel
        (name 'guix)
        (url "https://git.savannah.gnu.org/git/guix.git")
        (branch "master")
        (commit
          "a0751e3250dfea7e52468c8090e18c3118d93a60")
        (introduction
          (make-channel-introduction
            "9edb3f66fd807b096b48283debdcddccfea34bad"
            (openpgp-fingerprint
              "BBB0 2DDF 2CEA F6A8 0D1D  E643 A2A0 6DF2 A33A 54FA")))))

## add guix-hpc channel (for illustration purposes only; you can use any other channel):
$ cat channels.scm
(list
  (channel
    (name 'guix-hpc)
    (url "https://gitlab.inria.fr/guix-hpc/guix-hpc.git"))
  (channel
    (name 'guix)
    (url "https://git.savannah.gnu.org/git/guix.git")
    (branch "master")
    (commit
      "a0751e3250dfea7e52468c8090e18c3118d93a60")
    (introduction
      (make-channel-introduction
        "9edb3f66fd807b096b48283debdcddccfea34bad"
        (openpgp-fingerprint
          "BBB0 2DDF 2CEA F6A8 0D1D  E643 A2A0 6DF2 A33A 54FA")))))

## both channels - guix and guix-hpc - are available:
$ guix time-machine --channels=channels.scm -- describe
  guix a0751e3
    repository URL: https://git.savannah.gnu.org/git/guix.git
    branch: master
    commit: a0751e3250dfea7e52468c8090e18c3118d93a60
  guix-hpc 1a6af9f
    repository URL: https://gitlab.inria.fr/guix-hpc/guix-hpc.git
    branch: master
    commit: 1a6af9f0154f57dc5a31bf535bb09db63e3a8d03

## but repl does not see guix-hpc modules:
$ guix time-machine --channels=channels.scm -- repl
...
scheme@(guix-user)> (use-modules (airbus solvers))
While compiling expression:
no code for module (airbus solvers)
scheme@(guix-user)> %load-path
$1 = ("/gnu/store/dfm3k2qc0s4f8vi5il3gvrr0650p65k3-guix-module-union/share/guile/site/3.0" "/gnu/store/1jgcbdzx2ss6xv59w55g3kr3x4935dfb-guile-3.0.8/share/guile/3.0" "/gnu/store/1jgcbdzx2ss6xv59w55g3kr3x4935dfb-guile-3.0.8/share/guile/3.0" "/gnu/store/1jgcbdzx2ss6xv59w55g3kr3x4935dfb-guile-3.0.8/share/guile/site/3.0" "/gnu/store/1jgcbdzx2ss6xv59w55g3kr3x4935dfb-guile-3.0.8/share/guile/site" "/gnu/store/1jgcbdzx2ss6xv59w55g3kr3x4935dfb-guile-3.0.8/share/guile" "/home/user/.guix-profile/share/guile/site/3.0" "/home/user/.guix-profile/share/guile/site/3.0")

-- 
wbr, alexander barakin aka sash-kan.
-- 
i will be very thankful to you if you will use order,
that natural for the human:
first question, then the answer.

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Message #11 received at 58841 <at> debbugs.gnu.org (full text, mbox):

From: Ludovic Courtès <ludo <at> gnu.org>
To: "alexander barakin (aka sash-kan)" <alex <at> barak.in>
Cc: 58841 <at> debbugs.gnu.org
Subject: Re: bug#58841: repl ignores modules from the channel added to
 time-machine
Date: Sat, 05 Nov 2022 11:31:38 +0100

Hi Alexander,

"alexander barakin (aka sash-kan)" <alex <at> barak.in> skribis:

> ## but repl does not see guix-hpc modules:
> $ guix time-machine --channels=channels.scm -- repl
> ...
> scheme@(guix-user)> (use-modules (airbus solvers))
> While compiling expression:
> no code for module (airbus solvers)
> scheme@(guix-user)> %load-path
> $1 = ("/gnu/store/dfm3k2qc0s4f8vi5il3gvrr0650p65k3-guix-module-union/share/guile/site/3.0" "/gnu/store/1jgcbdzx2ss6xv59w55g3kr3x4935dfb-guile-3.0.8/share/guile/3.0" "/gnu/store/1jgcbdzx2ss6xv59w55g3kr3x4935dfb-guile-3.0.8/share/guile/3.0" "/gnu/store/1jgcbdzx2ss6xv59w55g3kr3x4935dfb-guile-3.0.8/share/guile/site/3.0" "/gnu/store/1jgcbdzx2ss6xv59w55g3kr3x4935dfb-guile-3.0.8/share/guile/site" "/gnu/store/1jgcbdzx2ss6xv59w55g3kr3x4935dfb-guile-3.0.8/share/guile" "/home/user/.guix-profile/share/guile/site/3.0" "/home/user/.guix-profile/share/guile/site/3.0")

Currently you have to start with:

  (use-modules (gnu packages))

This will set up ‘%load-path’ so that channel modules become visible.
Let me know if it works for you!

This is a bug we should fix.

HTH,
Ludo’.

Message #14 received at 58841 <at> debbugs.gnu.org (full text, mbox):

From: "alexander barakin (aka sash-kan)" <alex <at> barak.in>
To: Ludovic Courtès <ludo <at> gnu.org>
Cc: 58841 <at> debbugs.gnu.org
Subject: Re: bug#58841: repl ignores modules from the channel added to
 time-machine
Date: Sat, 5 Nov 2022 14:19:20 +0300

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

On Sat, Nov 05, 2022 at 11:31:38AM +0100, Ludovic Courtès wrote:
> 
> Currently you have to start with:
> 
>   (use-modules (gnu packages))
> 
> This will set up ‘%load-path’ so that channel modules become visible.
> Let me know if it works for you!

yes, it works. thank you!

> This is a bug we should fix.

it would be nice.
or at least mention it in the documentation.

-- 
wbr, alexander barakin aka sash-kan.
-- 
i will be very thankful to you if you will use order,
that natural for the human:
first question, then the answer.

[signature.asc (application/pgp-signature, inline)]

Message #17 received at 58841 <at> debbugs.gnu.org (full text, mbox):

From: "alexander barakin (aka sash-kan)" <alex <at> barak.in>
To: Ludovic Courtès <ludo <at> gnu.org>
Cc: 58841 <at> debbugs.gnu.org
Subject: Re: bug#58841: repl ignores modules from the channel added to
 time-machine
Date: Sat, 5 Nov 2022 15:04:04 +0300

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

On Sat, Nov 05, 2022 at 11:31:38AM +0100, Ludovic Courtès wrote:
> 
> This is a bug we should fix.

btw, "shell" behaves similarly - only sees the "system" channel:

$ guix time-machine --channels=channels.scm -- shell -- guix describe
guix shell: warning: no packages specified; creating an empty
environment
Generation 18   Oct 25 2022 15:24:49    (current)
  guix a0751e3
      repository URL: https://git.savannah.gnu.org/git/guix.git
          branch: master
              commit: a0751e3250dfea7e52468c8090e18c3118d93a60

can this also be considered a bug? if so, is it worth sending a separate
bug report? 

-- 
wbr, alexander barakin aka sash-kan.
-- 
i will be very thankful to you if you will use order,
that natural for the human:
first question, then the answer.

[signature.asc (application/pgp-signature, inline)]

Message #20 received at 58841 <at> debbugs.gnu.org (full text, mbox):

From: Ludovic Courtès <ludo <at> gnu.org>
To: "alexander barakin (aka sash-kan)" <alex <at> barak.in>
Cc: 58841 <at> debbugs.gnu.org
Subject: Re: bug#58841: repl ignores modules from the channel added to
 time-machine
Date: Sat, 05 Nov 2022 18:36:38 +0100

"alexander barakin (aka sash-kan)" <alex <at> barak.in> skribis:

> On Sat, Nov 05, 2022 at 11:31:38AM +0100, Ludovic Courtès wrote:
>> 
>> This is a bug we should fix.
>
> btw, "shell" behaves similarly - only sees the "system" channel:
>
> $ guix time-machine --channels=channels.scm -- shell -- guix describe
> guix shell: warning: no packages specified; creating an empty

This command is running ‘guix describe’ with the ‘guix’ command that
happens to be in $PATH; in addition, the ‘shell’ bit does nothing, as
shown by the warning above.

What you probably meant is:

  guix time-machine -C channels.scm -- describe

HTH,
Ludo’.

Message #23 received at 58841 <at> debbugs.gnu.org (full text, mbox):

From: zimoun <zimon.toutoune <at> gmail.com>
To: Ludovic Courtès <ludo <at> gnu.org>, "alexander barakin (aka
 sash-kan)" <alex <at> barak.in>
Cc: 58841 <at> debbugs.gnu.org
Subject: Re: bug#58841: repl ignores modules from the channel added to
 time-machine
Date: Sat, 21 Jan 2023 17:18:35 +0100

Hi Ludo,

On Sat, 05 Nov 2022 at 11:31, Ludovic Courtès <ludo <at> gnu.org> wrote:

> Currently you have to start with:
>
>   (use-modules (gnu packages))
>
> This will set up ‘%load-path’ so that channel modules become visible.
> Let me know if it works for you!
>
> This is a bug we should fix.

Ah, I thought it was expected. :-)  Well, my ~/.guile looks like:

--8<---------------cut here---------------start------------->8---
(use-modules
 (ice-9 readline)
 (ice-9 format)
 (ice-9 pretty-print)

 (guix)
 (gnu packages)
 (gnu packages base))
(activate-readline)
--8<---------------cut here---------------end--------------->8---

so it avoids me this kind of annoyance.

Well, do we open another ticket or just retitle this one?


Cheers,
simon

Message #26 received at 58841 <at> debbugs.gnu.org (full text, mbox):

From: Simon Tournier <zimon.toutoune <at> gmail.com>
To: Ludovic Courtès <ludo <at> gnu.org>, "alexander barakin (aka
 sash-kan)" <alex <at> barak.in>
Cc: 58841 <at> debbugs.gnu.org
Subject: Re: bug#58841: repl ignores modules from the channel added to
 time-machine
Date: Fri, 17 Feb 2023 16:49:25 +0100

Hi Ludo,

On sam., 05 nov. 2022 at 11:31, Ludovic Courtès <ludo <at> gnu.org> wrote:

> This will set up ‘%load-path’ so that channel modules become visible.
> Let me know if it works for you!
>
> This is a bug we should fix.

Please see this fix: <https://issues.guix.gnu.org/61343#4>.

Cheers,
simon

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