bug#25831: Expose http_proxy setting on GuixSD

[Leo Famulari <leo@famulari.name>]

----- Forwarded message from ng0 <contact.ng0@cryptolab.net> -----

Date: Tue, 21 Feb 2017 09:43:35 +0000
From: ng0 <contact.ng0@cryptolab.net>
To: Leo Famulari <leo@famulari.name>
Cc: help-guix@gnu.org
Subject: Re: Proxy documentation is not clear

On 17-02-20 22:32:40, Leo Famulari wrote:
> On Sun, Feb 19, 2017 at 05:06:23PM +0000, ng0 wrote:
> > Substitutes are downloaded over HTTP or HTTPS. The http_proxy
> > environment variable can be set in the environment of guix-daemon and
> > is honored for downloads of substitutes. Note that the value of
> > http_proxy in the environment where guix build, guix package, and
> > other client commands are run has absolutely no effect. 
> > 
> > None of these pages provides any example or further explanation on how
> > this could be achieved, for example to make Guix use a socks5 proxy
> > systemwide. I know how this can be achieved with iptables etc, but it
> > would be better if the documentation is fixed. I have no idea how in
> > this case as the documentation is not clear.
> 
> It depends on how you start the daemon. For systemd, you can set the
> environment variable from the service file. I'm not sure how to pass
> this variable to the daemon on GuixSD.

Exactly, for systemd I would have been able to find it out, but I wonder
how to achieve this in GuixSD. 

----- End forwarded message -----