[bug#57909] Add link to 'pre-inst-env' from 'installing from git' docs

[Maxime Devos]

On 19-09-2022 08:12, Emma Turner wrote:
> Hi Maxime,
>
> Thanks for your replies.  I hadn't thought about the issue with make 
> authenticate, but makes complete sense!  Thanks for explaining.
>
> I've attached an updated patch, which I think does what you asked for 
> (replacing make authenticate with guix git authenticate.


Aside from the copyright line in doc/guix.texi, looks good to me, though 
given the security concerns and the impact on a _large_ number of users, 
it would be best if someone else verified things as well.

Greetings,
Maxime.

OpenPGP_0x49E3EE22191725EE.asc
Description: OpenPGP public key

OpenPGP_signature
Description: OpenPGP digital signature