bug#53886: guix home not respecting guix pull -C

[Zacchaeus Scheffer <zaccysc@gmail.com>]

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> Also, did you pull and reconfigure as the same user, with the same
> privileges? Remember that your "view" of Guix (i.e. `guix pull`) is
> per-user.

Everything is done with the same user and same user/system config (other
than os host-name field).  I'm sure I didn't accidently run as root or
another user

> I'm curious, after you did `guix pull --allow-downgrades -C`, did you
> use `guix show foo` before reconfiguring, in order to check if the pull
> had taken effect?

I did not check, the command completed normally, so I believed.  See (far)
below for an example with guix show

Looking at guix package --list-generations, my packages were only modified
the one time I ran guix package -i qutebrowser.  After running guix package
-i qutebrowser, guix package --export-channels DID have the content passed
to guix pull -C PLUS the following comment:
;; Note: these other commits were also used to install some of the packages
in this profile:
;;   "97d97d7da1f5b500b2b76210131ca6adff6a1e80"

Looking at guix home list-generations, it looks like the generation has not
updated any of the numerous times I guix home reconfigured today after guix
pull --allow-downgrades -C'ing an old channels.  However, I was not able to
reproduce this behavior, so take it with a grain of salt.

To rule out the possibility that this is an already-solved problem, I tried
guix pull
guix home reconfigure ...
this DID create a new home generation but not package generation.  (Not
sure if that is expected.  Please someone tell me if this is abnormal.)  Now
ls -l $(which qutebrowser)
gives the old qutebrowser version but
ls -l $(which chromium)
gives the new chromium version.

I tried editing my home config and adding another package, "minetest".
 guix home reconfigure DID download "minetest" after "guix pull" and "guix
pull --allow-downgrades -C ..." (diff versions), but always "minetest" is
not in my path for even a fresh login shell.

To sumarize:
guix pull --allow-downgrades -C ...
guix home reconfigure ....
- > all package versions up-to-date
- > (no?) new home generation
guix package -i qutebrowser
- > all package versions up-to-date except qutebrowser downgraded
- > created a new package generation
guix pull
guix home reconfigure ...
- > all package versions up-to-date except qutebrowser downgraded
- > created a new home generation
guix pull --allow-downgrades -C ...
guix home reconfigure ....
- > new home generetaion
- > qutebrowser still downgraded
- > chromium upgraded
# add minetest to config
guix home reconfigure ...
- > new home generation
- > minetest installed (not sure what version)
- - > MINETEST NOT IN PATH
- > qutebrowser/chromium unchanged

Looking back, maybe guix home reconfigure has NEVER worked for my packages
and I haven't noticed because my most recent package manifest had all the
same packages.  My package defs in my home.scm look like:
(home-environment
 (packages
  (map
   specification->package
   (list
    ...
    "minetest"
    "qutebrowser"
    "ungoogled-chromium")))
 (services
  ...))

Now I feel more lost than before.  How could the above in a home
reconfigure, after a normal guix pull, not make even a fresh login shell
able to launch minetest?...

One last test to show off the weirdness:
guix pull
guix show qutebrowser     - > version 2.4
qutebrowser --version     - > version 2.3
guix home reconfigure ... - > full output below
guix show qutebrowser     - > version 2.4
qutebrowser --version     - > version 2.3

If you made it this far, thanks,
-Zacchaeus


##  BEGIN HOME RECONFIGURE OUTPUT PASTE
/gnu/store/02q0hr0k29wr866b1mrh88qnaixnk3v7-home
Cleaning up symlinks from previous home-environment.

Removing /home/zacchae/.config/fontconfig/fonts.conf... done
Removing /home/zacchae/.config/fontconfig... done
Removing /home/zacchae/.config/zsh/.zshrc... done
Removing /home/zacchae/.config/zsh/.zprofile... done
Removing /home/zacchae/.config/zsh/.zshenv... done
Skipping /home/zacchae/.config/zsh (not an empty directory)... done
Removing /home/zacchae/.config/syncthing/config... done
Skipping /home/zacchae/.config/syncthing (not an empty directory)... done
Removing /home/zacchae/.config/emacs/init.el... done
Skipping /home/zacchae/.config/emacs (not an empty directory)... done
Removing /home/zacchae/.config/kitty/kitty.conf... done
Removing /home/zacchae/.config/kitty... done
Removing /home/zacchae/.config/qutebrowser/config.py... done
Skipping /home/zacchae/.config/qutebrowser (not an empty directory)... done
Removing /home/zacchae/.config/zathura/zathurarc... done
Removing /home/zacchae/.config/zathura... done
Removing /home/zacchae/.config/redshift/redshift.conf... done
Removing /home/zacchae/.config/redshift... done
Skipping /home/zacchae/.config (not an empty directory)... done
Removing /home/zacchae/.ssh/config... done
Skipping /home/zacchae/.ssh (not an empty directory)... done
Removing /home/zacchae/.local/bin/stdinedit... done
Removing /home/zacchae/.local/bin... done
Skipping /home/zacchae/.local (not an empty directory)... done
Removing /home/zacchae/.gitconfig... done
Removing /home/zacchae/.exwm... done
Removing /home/zacchae/.zshenv... done
Removing /home/zacchae/.profile... done
Cleanup finished.

New symlinks to home-environment will be created soon.
All conflicting files will go to
/home/zacchae/1644387797-guix-home-legacy-configs-backup.

Skipping   /home/zacchae/.config (directory already exists)... done
Creating   /home/zacchae/.config/fontconfig... done
Symlinking /home/zacchae/.config/fontconfig/fonts.conf ->
/gnu/store/3hd0w1mcm3zg7gy3ifgvdf8w1n77khnm-fonts.conf... done
Skipping   /home/zacchae/.config/zsh (directory already exists)... done
Symlinking /home/zacchae/.config/zsh/.zshrc ->
/gnu/store/hyvqqy8i6ibi72xc5361p08qjibnwfk4-zshrc... done
Symlinking /home/zacchae/.config/zsh/.zprofile ->
/gnu/store/jgz1ykacgqwkjbwagd301nj4y9ygdi9m-zprofile... done
Symlinking /home/zacchae/.config/zsh/.zshenv ->
/gnu/store/251xg38dsqifyw3dzwzpvl28vi7c8wd6-zshenv... done
Skipping   /home/zacchae/.config/syncthing (directory already exists)...
done
Symlinking /home/zacchae/.config/syncthing/config ->
/gnu/store/7svbwjb0ixzjz2kllk6fxc8737aavd35-syncthing-config.xml... done
Skipping   /home/zacchae/.config/emacs (directory already exists)... done
Symlinking /home/zacchae/.config/emacs/init.el ->
/gnu/store/7p09csma6wk8bcanqm8wrra0v4yw496y-emacs-config... done
Creating   /home/zacchae/.config/kitty... done
Symlinking /home/zacchae/.config/kitty/kitty.conf ->
/gnu/store/pmnr4ivcviwyi2h2yrx1rg8gf0rjs0ay-kitty.conf... done
Skipping   /home/zacchae/.config/qutebrowser (directory already exists)...
done
Symlinking /home/zacchae/.config/qutebrowser/config.py ->
/gnu/store/c50z8wfsc4k1m0h7k3sbv0xsndh7bw6j-qutebrowser-config... done
Creating   /home/zacchae/.config/zathura... done
Symlinking /home/zacchae/.config/zathura/zathurarc ->
/gnu/store/kdi0gfbz5gcq2ay32yv89amvhbd5r3wg-zathura-config... done
Creating   /home/zacchae/.config/redshift... done
Symlinking /home/zacchae/.config/redshift/redshift.conf ->
/gnu/store/p1y1xfxf63pjn1dsd92vwp1xbrcsh7wn-redshift-config... done
Skipping   /home/zacchae/.ssh (directory already exists)... done
Symlinking /home/zacchae/.ssh/config ->
/gnu/store/519n9v56q5qnhwrb3yj8dh87lwspqlrb-ssh-config... done
Skipping   /home/zacchae/.local (directory already exists)... done
Creating   /home/zacchae/.local/bin... done
Symlinking /home/zacchae/.local/bin/stdinedit ->
/gnu/store/3rx8zb8phkr8a88sg5v8pd33qxn62zyh-stdinedit... done
Symlinking /home/zacchae/.gitconfig ->
/gnu/store/ci21256g0sys1a0gpwlrvakgazwbh5kb-git-config... done
Symlinking /home/zacchae/.exwm ->
/gnu/store/z43zay3w80cp0bnwdd1pi5j4zxay75mp-exwm-init... done
Symlinking /home/zacchae/.zshenv ->
/gnu/store/j1558r4rqn5nlj3caxs62jcs7rb2j4x4-auxiliary-zshenv... done
Symlinking /home/zacchae/.profile ->
/gnu/store/rnf1g1a1lywvy3lw4h8ywfs9i8f35fiq-shell-profile... done
 done
Finished updating symlinks.

Loading /gnu/store/2z8k6n538446fm0r5byk81kcv3khgkkn-shepherd.conf.
Starting services...

Comparing
/gnu/store/02q0hr0k29wr866b1mrh88qnaixnk3v7-home/profile/share/fonts and

/gnu/store/02q0hr0k29wr866b1mrh88qnaixnk3v7-home/profile/share/fonts...
done (same)
Evaluating on-change gexps.

On-change gexps evaluation finished.
## END RECONFIGURE PASTE

On Tue, Feb 8, 2022 at 8:06 PM Leo Famulari <leo@famulari.name> wrote:

> On Tue, Feb 08, 2022 at 06:57:14PM -0500, Zacchaeus Scheffer wrote:
> > Hi Guix!
> >
> > I came across some weird behavior with guix home.  I wanted to recreate a
> > working home environment from one machine on another (because I need a
> > working qutebrowser install :3).  I did this by doing "guix pull
> > --allow-downgrades -C" on my non-working computer using a channels file
> on
> > the working one generated with "guix package --export-channels".
> However,
> > when I did "guix home reconfigure ...", old versions of packages were NOT
> > installed.  I was able to downgrade the desired package with "guix
> package
> > -i" (only that package was downgraded).
>
> I'm curious, after you did `guix pull --allow-downgrades -C`, did you
> use `guix show foo` before reconfiguring, in order to check if the pull
> had taken effect?
>
> Also, did you pull and reconfigure as the same user, with the same
> privileges? Remember that your "view" of Guix (i.e. `guix pull`) is
> per-user.
>
> > My understanding is that "guix home reconfigure" SHOULD behave like "guix
> > package --manifest", and install all packages in the most recent guix
> pull.
>
> That's my understanding as well.
>

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