Re: downgrade issue on guix system

[Alexander Asteroth]

Found the cause.

To reconfigure I "sudo -s" first. But if I run 

> GUIX_PROFILE="~/.guix-profile" &&      . "$GUIX_PROFILE/etc/profile"

guix profile is sourced but PATH is still the original users path und
guix is found there (causing the error).

If I do

> GUIX_PROFILE="/root/.guix-profile" &&  echo "$GUIX_PROFILE/etc/profile"

the result is as expected:

> /root/.guix-profile/etc/profile

but PATH is not updated afterwards (=> error).

If do do a regular login as root then everything is fine!

Cheers,

        Alex


On Thu, Nov 25 2021, 13:06:19, Alexander Asteroth <alexander.asteroth@h-brs.de> 
wrote:

> [[PGP Signed Part:Undecided]]
> No I did not play around with branches. What I did was
> - changed my config
> - reconfigured
> - rebooted
> - failed
> - booted second last config
> - fixed config
> - reconfigured
> - rebooted
> - OK
> - pulled
> - added cups
> - reconfigured
> ---->>> ERROR
>
> I just tried again. Did a
>
> GUIX_PROFILE="~/.guix-profile" &&      . "$GUIX_PROFILE/etc/profile"
> hash guix
> guix system reconfigure .../config.scm
>
> Same error.
>
> Is there a way to find out what goes wrong? And why I have something
> installed that is newer than what I get over the guix channel?
>
> -- Alex
>
> On Thu, Nov 25 2021, 06:53:59, Julien Lepiller <julien@lepiller.eu> wrote:
>
>> Hi Alexander,
>>
>> Since you did a guix pull, you should have a newer version of guix
>> than you had before, unless you played with branches. So the
>> downgrade is worrying and you were right to stop there.
>>
>> Note that running guix pull will update guix in a separate
>> profile. Make sure it's loaded: that you have
>> ~/.config/guix/current/bin in your path and that "type guix" is this
>> path. If not, fix
>> your $PATH and run "hash guix" (no output) and check again.
>>
>> Note that, if you're running reconfigure as root (instead as with
>> sudo) you'll need to pull and do the above as root, since each user
>> has a different guix current profile.
>>
>> HTH!
>>
>> Le 25 novembre 2021 06:38:29 GMT-05:00, Alexander Asteroth 
>> <alexander.asteroth@h-brs.de> a écrit :
>>
>>  Dear all,
>>
>> I just wanted to install cups service on my guix system. I recofigured
>> the system without an error one hour ago (introduced seperate home
>> filesystem) and now, when I try to add the cups service (I did a guix
>> pull in between as well) I get:
>>
>>  guix system: error: aborting reconfiguration because commit 
>> bd2aa8031babdca5f574fca52e025d6794f08d82 of channel 'guix' is not a 
>> descendant of
>>  7f974548ac20cab88b9bb589a5e1d85ee3b8d337
>> hint: Use `--allow-downgrades' to force this downgrade.
>>
>> I have no clue what caused that error therefor I also don't know if it's
>> a good idea to allow downgrades. ... or what es to do to resolve the
>> issue.
>>
>> Cheers,
>>
>> Alex
>
> [[End of PGP Signed Part]]

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