GNU bug report logs - #45896
Non-pull ‘guix’ should know its channels

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Ludovic Courtès <ludo <at> gnu.org>
Subject: bug#45896: closed (Re: bug#45896: Non-pull ‘guix’
 should know its channels)
Date: Thu, 04 Feb 2021 12:47:01 +0000

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Your bug report

#45896: Non-pull ‘guix’ should know its channels

which was filed against the guix package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 45896 <at> debbugs.gnu.org.

-- 
45896: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=45896
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Ludovic Courtès <ludo <at> gnu.org>
To: 45896-done <at> debbugs.gnu.org
Subject: Re: bug#45896: Non-pull ‘guix’ should know
 its channels
Date: Thu, 04 Feb 2021 13:46:33 +0100

Patches pushed as 8ecc265c5c6519986758567682726647850d5d03.

Ludo’.

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From: Ludovic Courtès <ludo <at> gnu.org>
To: <bug-guix <at> gnu.org>
Subject: Non-pull ‘guix’ should know its channels
Date: Fri, 15 Jan 2021 18:51:14 +0100

Related to <https://issues.guix.gnu.org/45895>, we have the problem that
the ‘guix’ command coming from the ‘guix’ package doesn’t know its
provenance: ‘guix describe’ errors out.

We should fix it by storing a meta-data file within the ‘guix’ package.

Likewise, on foreign distros, /usr/local/bin/guix may point to a ‘guix
pull’-guix, but because of the symlink, ‘guix describe’ won’t work:

--8<---------------cut here---------------start------------->8---
$ type -P guix
/home/ludo/.config/guix/current/bin/guix
$ guix describe
Generacio 171	Jan 11 2021 11:38:39	(nuna)
  guix 458cb25
    repository URL: https://git.savannah.gnu.org/git/guix.git
    branch: master
    commit: 458cb25b9e7e7c954f468023abea2bebb5d8c75b
$ ln -s $(type -P guix) /tmp
$ /tmp/guix describe
guix describe: error: failed to determine origin
hint: Perhaps this `guix' command was not obtained with `guix pull'? Its
version string is 458cb25b9e7e7c954f468023abea2bebb5d8c75b.
--8<---------------cut here---------------end--------------->8---

We should probably store proper provenance info directly in the ‘guix’
output, just like we store the commit ID in (guix config).

Ludo’.

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