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"The following environment variable definitions may be needed"
From: |
Chris Marusich |
Subject: |
"The following environment variable definitions may be needed" |
Date: |
Tue, 09 May 2017 22:53:06 -0700 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/25.2 (gnu/linux) |
Hi,
Sometimes, when you install a package, you get a message like this:
--8<---------------cut here---------------start------------->8---
[0] address@hidden:/tmp
$ guix package -p test-profile -i guile
The following package will be installed:
guile 2.2.2 /gnu/store/5zx29y44nrqj0s8h3jlvlj82k8hj4dxs-guile-2.2.2
1 package in profile
The following environment variable definitions may be needed:
export PATH="test-profile/bin${PATH:+:}$PATH"
[0] address@hidden:/tmp
$
--8<---------------cut here---------------end--------------->8---
Up until now, I've always added the recommended export statements to my
~/.bashrc or ~/.bash_profile. I (mistakenly?) assumed that's what the
message was really telling me to do. However, I've just learned that
these recommended variables also appear to get exported in
$GUIX_PROFILE/etc/profile, which is automatically sourced by
/etc/profile on GuixSD. Even on a foreign distro,
$GUIX_PROFILE/etc/profile is automatically sourced if one follows the
guidance in the manual ((guix) Binary Installation):
--8<---------------cut here---------------start------------->8---
Source ‘etc/profile’ to augment ‘PATH’ and other relevant
environment variables:
# GUIX_PROFILE=$HOME/.guix-profile \
source $GUIX_PROFILE/etc/profile
--8<---------------cut here---------------end--------------->8---
This leads to my question: If I'm using GuixSD (or a foreign distro in
which $GUIX_PROFILE/etc/profile is automatically sourced), do I need to
add these recommended export statements to my ~/.bashrc or
~/.bash_profile?
My suspicion is that the answer is "no". The next time I reboot or log
out and back in, the environment variables will be set correctly even if
I don't add them to my ~/.bashrc or ~/.bash_profile. In fact, by adding
them there, I would be adding redundant entries. I am hoping that
someone can confirm that my understanding is correct.
--
Chris
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