From: George Clemmer <myglc2@gmail.com>
To: Ricardo Wurmus <rekado@elephly.net>
Cc: help-guix <help-guix@gnu.org>
Subject: Re: How to "Use PROFILE instead of the user’s default profile."?
Date: Thu, 21 Jun 2018 10:56:55 -0400 [thread overview]
Message-ID: <877ems9oi0.fsf@gmail.com> (raw)
In-Reply-To: <87a7ro9r2z.fsf@gmail.com>
George Clemmer <myglc2@gmail.com> writes:
> 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
Oops, I left out the back quotes. I mean ...
eval `guix package -p /var/guix/profiles/system -p PROFILE
--search-paths=exact`
... because I understand the doc to say this will give the "_combined_
search paths" of the two profiles. But I am disappointed that ...
guix package -p znc -i znc
eval `guix package -p /var/guix/profiles/system -p znc --search-paths`
... provides znc but no system packages. What am I misunderstanding now?
TIA - George
next prev parent reply other threads:[~2018-06-21 14:57 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-21 2:03 How to "Use PROFILE instead of the user’s default profile."? George Clemmer
2018-06-21 9:32 ` Tom Balzer
2018-06-21 10:41 ` Ricardo Wurmus
2018-06-21 14:01 ` George Clemmer
2018-06-21 14:08 ` Ricardo Wurmus
2018-06-21 14:56 ` George Clemmer [this message]
2018-06-21 15:59 ` Ricardo Wurmus
2018-06-21 16:52 ` George Clemmer
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