Fwd: Help-Guix Digest, Vol 88, Issue 4

Fwd: Help-Guix Digest, Vol 88, Issue 4

[Gottfried]

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-------- Weitergeleitete Nachricht --------
Betreff: Re: Help-Guix Digest, Vol 88, Issue 4
Datum: Sat, 25 Mar 2023 11:45:16 +0100
Von: Gottfried <gottfried@posteo.de>
An: Gary Johnson <lambdatronic@disroot.org>

Hi,

thanks a lot for your help.

1.
did you create your system configuration quite in the beginning after 
having installed Guix?

2.
Because later, like in my case, it takes much more work to adjust 
everything.

3.
> Note that this may
>> lead to unpredictable behavior if you have the same package installed
>> into multiple profiles that are all activated simultaneously.

Would there be a problem
in having musescore-3.6.2 in one profile (a distinct version of musescore)
and musescore 4 (the ongoing updating) in an other profile?

4.

Have I understood you correctly that you install only one package in one 
manifest and additionally only one package in one profile?

4.
If so, you have at least 50 profiles and 20 manifests I guess.

5.
In my case I would have to uninstall every package I have installed, 
except the global packages, system services etc. that Guix installed
when I installed Guix System.

6.
After that I would have to create guix home

7.
In guix home I would have to install the local packages for $USER,
which I even don’t know yet, which belong to them.

8.
I would have to install local packages for $USER, manifests in each 
profile, which I have deleted im my general profile.


9.
Would it then not be easier to reinstall Guix
and I have then got only the system packages in my system configuration,
and I can install guix home
and later manifests like emacs packages
or each single packages each in a separate profile?

Or can I now also do this step by step, which would be probably easier 
for me, because if something goes wrong or I need to ask I still have 
Guix System installed?

10.
For you it would be possible everything in one day,
for me I am not sure, how long does it take,
and that only with the help of Guix hackers.


Kind regards

Gottfried



am 21.03.23 um 15:42 schrieb Gary Johnson:

> To activate multiple profiles at login time, I created a shell script
> called `~/sys/scripts/activate-profiles.sh`, containing the following code:
> 
> ```
> #!/bin/sh
> 
> GUIX_PROFILES=/home/gjohnson/sys/guix/profiles
> 
> for dir in $GUIX_PROFILES/*
> do
>      name=$(basename "$dir")
>      profile=$dir/$name
>      if [ -f "$profile"/etc/profile ]
>      then
>          GUIX_PROFILE="$profile"
>          . "$GUIX_PROFILE"/etc/profile
>          export MANPATH="$GUIX_PROFILE/share/man${MANPATH:+:}$MANPATH"
>          export INFOPATH="$GUIX_PROFILE/share/info${INFOPATH:+:}$INFOPATH"
>      fi
>      unset profile
>      unset name
> done
> ```
> 
> Next, I added a `source` line to my `~/.bash_profile` file, which loads
> the `activate-profiles.sh` script when I enter a login shell. This
> script is also run when you log in to your graphical desktop session in
> Guix.
> 
> ```
> # Activate all of my Guix profiles
> source ~/sys/scripts/activate-profiles.sh
> ```
> 
> For you to use this approach, you should do the following:
> 
> 1. Replace `GUIX_PROFILES=/home/gjohnson/sys/guix/profiles` in my
>     `activate-profiles.sh` script with your profile directory, which
>     seems to be this:
> 
>     `GUIX_PROFILES=/home/gfp/Projekte`
> 
> 2. Place the `activate-profiles.sh` script somewhere in your home
>     directory.
> 
> 3. Replace `~/sys/scripts/activate-profiles.sh` in `~/.bash_profile`
>     with the path to `activate-profiles.sh` on your system.
> 
> If you use `guix home`, you can certainly add the `source` line to
> `~/.bash_profile` that way.
> 
>> 2. after that, could I uninstall the package emacs in my main profile?
>> Will my Emacs-manifest profile still be usable/is it independent, or
>> it will suffer through uninstalling emacs in my main profile?
> 
> With this code in place, whenever you log in to your machine, you will
> have access to all the packages in your main user profile as well as all
> the packages in your /home/gfp/Projekte profiles. Note that this may
> lead to unpredictable behavior if you have the same package installed
> into multiple profiles that are all activated simultaneously. My
> recommendation is that you install each package into only one profile
> when using this approach.
> 
>> My aim was to uninstall packages in my main profile and put them in
>> separate profiles, so in updating my main profile with less packages
>> it doesn’t take so much time.
> 
> Yes, that is precisely the purpose of this approach.
> 
> Happy hacking!
>    Gary
> 

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