doc: Spell out the implications of disabling substitutes.

Suggested by elb on #guix.

* doc/guix.texi (Binary Installation): Add note explaining the
implications of disabling substitutes.
This commit is contained in:
Ludovic Courtès 2021-05-28 16:10:19 +02:00
parent f8c4437f0f
commit 22f95a09eb
No known key found for this signature in database
GPG key ID: 090B11993D9AEBB5

View file

@ -787,6 +787,13 @@ To use substitutes from @code{@value{SUBSTITUTE-SERVER}} or one of its mirrors
~root/.config/guix/current/share/guix/@value{SUBSTITUTE-SERVER}.pub
@end example
@quotation Note
If you do not enable substitutes, Guix will end up building
@emph{everything} from source on your machine, making each installation
and upgrade very expensive. @xref{On Trusting Binaries}, for a
discussion of reasons why one might want do disable substitutes.
@end quotation
@item
Each user may need to perform a few additional steps to make their Guix
environment ready for use, @pxref{Application Setup}.