On Wed, Jan 17, 2018 at 09:54:49AM +0100, Ludovic Courtès wrote:
> Heya,
> 
> Leo Famulari <leo@famulari.name> skribis:
> 
> > On Tue, Jan 16, 2018 at 04:40:30PM -0200, Adonay Felipe Nogueira wrote:
> >> 2017-12-04T10:07:40+0100 Ludovic Courtès wrote:
> >> > Hello,
> >> >
> >> > The problem is that the (gnutls) module is not in the search path of
> >> > ‘guix substitute’.
> >> >
> >> > Usually the solution is to start the daemon using something like:
> >> >
> >> >   sudo -E ./pre-inst-env guix-daemon …
> >> >
> >> > so that ‘guix-daemon’ inherits the correct values for ‘GUILE_LOAD_PATH’,
> >> > etc.
> >> >
> >> > Does that work for you?
> >> >
> >> > We used to have this suggestion in the doc, but it was reverted in
> >> > commit 73a203450d21241eca50375aeb26fb418b287414.  Leo, do you think we
> >> > can reinstate it?  I’m not sure why it was reverted in the first place.
> >
> > I missed this request previously :/
> >
> > Originally, I reverted the suggestion because it was causing problems
> > for some users on #guix, and I thought it was risky to propagate the
> > user's environment into a privileged context.
> >
> > But perhaps it's not any more risky than using sudo, in general.
> >
> > Ludo, please let me know if you'd still like me to reinstate the advice
> > to use `sudo -E`.
> 
> I think you can reinstate it, perhaps with a word of caution explaining
> what -E does?

Done in 67441b9a6ebd4be094a88f6ea4555de026de4dfc.

I didn't add a warning about -E... I worry about re-documenting other
software in our own manual.