GNU bug report logs - #79578
Cannot pull my channel after 8b6e9acc268501223a231d50932192f6bb69d34d

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

From: Tomas Volf <~@wolfsden.cz>
To: bug-guix <at> gnu.org
Subject: Cannot pull my channel after 8b6e9acc268501223a231d50932192f6bb69d34d
Date: Sun, 05 Oct 2025 16:48:34 +0200

Hello,

after the 8b6e9acc268501223a231d50932192f6bb69d34d I cannot pull my
personal channel.  With the channel definition of

--8<---------------cut here---------------start------------->8---
(list (channel
        (name 'guix)
        (url "https://git.guix.gnu.org/guix.git")
        (branch "master")
        (commit
          "8b6e9acc268501223a231d50932192f6bb69d34d"))
      (channel
        (name 'wolfsden)
        (url "https://git.wolfsden.cz/.git/wolfsden")
        (branch "master")
        (commit
          "989d91d7b6c00d8e1f5f1e971e069cdd2f72a790")))
--8<---------------cut here---------------end--------------->8---

the build fails:

--8<---------------cut here---------------start------------->8---
$ guix time-machine -q --commit fa585ebd6a94061694137642327e60e314afe6bd -- pull -C /tmp/test-channels.scm --profile=/tmp/test-profile --disable-authentication --no-offload
Updating channel 'guix' from Git repository at 'https://git.guix.gnu.org/guix.git'...
guix pull: warning: channel authentication disabled
Updating channel 'wolfsden' from Git repository at 'https://git.wolfsden.cz/.git/wolfsden'...
guix pull: warning: channel authentication disabled
Building from these channels:
  guix      https://git.guix.gnu.org/guix.git	8b6e9ac
  wolfsden  https://git.wolfsden.cz/.git/wolfsden	989d91d
substitute: looking for substitutes on 'https://bordeaux.guix.gnu.org'... 100.0%
substitute: looking for substitutes on 'https://ci.guix.gnu.org'... 100.0%
building /gnu/store/abdf9bxnwqxdynyvncdaswsmpppwz201-compute-guix-derivation.drv...
Computing Guix derivation for 'x86_64-linux'... /
substitute: looking for substitutes on 'https://bordeaux.guix.gnu.org'... 100.0%
substitute: looking for substitutes on 'https://ci.guix.gnu.org'... 100.0%
The following derivations will be built:
  /gnu/store/3n0dx2vi87n1382vlw39aqb2xw1crngl-inferior-script.scm.drv
  /gnu/store/x1yz2z9q3yxlzylh55lji5hpf0ypgmsf-config.scm.drv
  /gnu/store/6svpagn8v2wmnw3kkwzy5ww3agx492k7-guix-config-source.drv
  /gnu/store/4vf0cbv6135xsxb4agfsx0ryzhmyvicm-guix-config.drv
  /gnu/store/jydbc4fbm1hll1swbyizd02b1l471czk-guix-config-modules.drv
  /gnu/store/m5pxk7qmq2cm8psrhd8lqj8l37cs709n-guix-8b6e9acc2-modules.drv
  /gnu/store/sqc972yd6a8150jr51hzks8i83yym6n4-guix-module-union.drv
  /gnu/store/8qaxhs4lchw9dnvvgarmxk97gmaxr8vf-guix-command.drv
  /gnu/store/7rw2pjx04g9g8vnfp194d6yz3jy6flyn-guix-daemon.drv
  /gnu/store/l0vwkxh2z77ppgcwdqgksckc39jd7k9y-guix-8b6e9acc2.drv
  /gnu/store/0a0ydraszvgl35l3kplzc48wmb1b354n-wolfsden.drv
  /gnu/store/2ll5xzkwgi340ymz7gnp8r4icllpggna-profile.drv
  /gnu/store/p06faxsw9jqpl1q263d9hf3s5ak64x5s-inferior-script.scm.drv
  /gnu/store/cy9wg11b1v029sj1vsjdnh09scsrmmi1-profile.drv

building /gnu/store/3n0dx2vi87n1382vlw39aqb2xw1crngl-inferior-script.scm.drv...
building /gnu/store/x1yz2z9q3yxlzylh55lji5hpf0ypgmsf-config.scm.drv...
building /gnu/store/6svpagn8v2wmnw3kkwzy5ww3agx492k7-guix-config-source.drv...
building /gnu/store/4vf0cbv6135xsxb4agfsx0ryzhmyvicm-guix-config.drv...
building /gnu/store/jydbc4fbm1hll1swbyizd02b1l471czk-guix-config-modules.drv...
building /gnu/store/m5pxk7qmq2cm8psrhd8lqj8l37cs709n-guix-8b6e9acc2-modules.drv...
building /gnu/store/sqc972yd6a8150jr51hzks8i83yym6n4-guix-module-union.drv...
building /gnu/store/8qaxhs4lchw9dnvvgarmxk97gmaxr8vf-guix-command.drv...
building /gnu/store/7rw2pjx04g9g8vnfp194d6yz3jy6flyn-guix-daemon.drv...
building /gnu/store/l0vwkxh2z77ppgcwdqgksckc39jd7k9y-guix-8b6e9acc2.drv...
building /gnu/store/0a0ydraszvgl35l3kplzc48wmb1b354n-wolfsden.drv...
|builder for `/gnu/store/0a0ydraszvgl35l3kplzc48wmb1b354n-wolfsden.drv' failed to produce output path `/gnu/store/s6gxcfwdyn2qriczip9j4d5f61k4sqmr-wolfsden'
build of /gnu/store/0a0ydraszvgl35l3kplzc48wmb1b354n-wolfsden.drv failed
View build log at '/var/log/guix/drvs/0a/0ydraszvgl35l3kplzc48wmb1b354n-wolfsden.drv.gz'.
cannot build derivation `/gnu/store/cy9wg11b1v029sj1vsjdnh09scsrmmi1-profile.drv': 1 dependencies couldn't be built
guix pull: error: build of `/gnu/store/cy9wg11b1v029sj1vsjdnh09scsrmmi1-profile.drv' failed
--8<---------------cut here---------------end--------------->8---

The build log contains the following:

--8<---------------cut here---------------start------------->8---
(repl-version 0 1 1)
;;; Failed to autoload mkdir-p in (wolfsden fs):
;;; no code for module (wolfsden fs)
;;; Failed to autoload mkdir-p in (wolfsden fs):
;;; no code for module (wolfsden fs)
;;; Failed to autoload mkdir-p in (wolfsden fs):
;;; no code for module (wolfsden fs)
;;; Failed to autoload mkdir-p in (wolfsden fs):
;;; no code for module (wolfsden fs)
(exception match-error (value "match") (value "no matching pattern") (value acme-client-authority))
--8<---------------cut here---------------end--------------->8---

Though parent commit fails as well, the error is different and it was
fixed in #71979.  With the 8b6e9acc268501223a231d50932192f6bb69d34d
reverted, I can pull current master fine.

I would consider just reverting the commit, since, even on the parent,
the reproducer in the commit message seems to work fine:

--8<---------------cut here---------------start------------->8---
$ guix time-machine -q --commit 96ac18dfeb1a61bb57f3e26c9d62af3b5a231eef -- repl
Loading Guix REPL meta-commands...
Increasing build verbosity...
Disabling grafting...
GNU Guile 3.0.9
Copyright (C) 1995-2023 Free Software Foundation, Inc.

Guile comes with ABSOLUTELY NO WARRANTY; for details type `,show w'.
This program is free software, and you are welcome to redistribute it
under certain conditions; type `,show c' for details.

Enter `,help' for help.
scheme@(guix-user)> ,m (gnu services virtualization)
scheme@(gnu services virtualization)> (configuration->documentation 'libvirt-configuration)

@c %start of fragment

@deftp {Data Type} libvirt-configuration
Available @code{libvirt-configuration} fields are:

[..]
--8<---------------cut here---------------end--------------->8---

What am I missing?

Tomas

-- 
There are only two hard things in Computer Science:
cache invalidation, naming things and off-by-one errors.

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