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[bug#42735] [PATCH] pre-inst-env: don't use GUIX_PACKAGE_PATH

From: Ricardo Wurmus
Subject: [bug#42735] [PATCH] pre-inst-env: don't use GUIX_PACKAGE_PATH
Date: Fri, 14 Aug 2020 13:16:09 +0200
User-agent: mu4e 1.4.10; emacs 26.3

Mathieu Othacehe <> writes:

> Hello Denis,
>> ./pre-inst-env is supposed to use only the packages definitions that are in
>> the guix source tree and not the host packages.
>> However if GUIX_PACKAGE_PATH is set, it will use host packages as well.
> Let say you have a custom my-hello package inheriting from hello, and
> you want to build it on top of a recent Guix checkout, then you probably
> want GUIX_PACKAGE_PATH to cooperate with pre-inst-env.

That’s primarily how I use GUIX_PACKAGE_PATH: for development.  If you
have GUIX_PACKAGE_PATH set for any other reasons you should consider
using channels instead.


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