Re: How to "Use PROFILE instead of the user’s default profile."?

[George Clemmer <myglc2@gmail.com>]

Ricardo Wurmus <rekado@elephly.net> writes:

> Hi George,
>
> You understand correctly and this is how it is supposed to work.  The
> “source” method always augments the environment variables.
>
>> If so, how do I "Use my znc PROFILE *instead* of my user’s default
>> profile?"
>
> You can use “guix package --search-paths=KIND” to generate different
> kinds of environment variable changes.   The manual says this:
>
> --8<---------------cut here---------------start------------->8---
> ‘--search-paths[=KIND]’
>      Report environment variable definitions, in Bash syntax, that may
>      be needed in order to use the set of installed packages.  These
>      environment variables are used to specify “search paths” for files
>      used by some of the installed packages.
...
>      This option can also be used to compute the _combined_ search paths
>      of several profiles.  Consider this example:
...
> --8<---------------cut here---------------end--------------->8---
>
> Note that using “exact” overrides variables, which means that you would
> end up without things you might take for granted, such as “/bin” or
> “/run/current-system/profile/bin”.
>
> The behaviour of sourcing a profile’s “etc/profile” file is equivalent
> to using
>
>     eval `guix package --search-paths=prefix`
>
> We wanted to add a more convenient command to “enable” another profile,
> but IIRC there was no consensus on what that would look like.

Thanks Ricardo,

So, I can use PROFILE instead of my user default profile with ....

eval guix package -p /var/guix/profiles/system -p PROFILE --search-paths=exact

Is that correct?

TIA - George