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From: Ricardo Wurmus <rekado@elephly.net>
Subject: Re: distinguishing between applications and libraries
Date: Mon, 01 Jul 2019 23:46:18 +0200
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To: Pierre Neidhardt <mail@ambrevar.xyz>
Cc: guix-devel@gnu.org, Robert Vollmert <rob@vllmrt.net>


Pierre Neidhardt <mail@ambrevar.xyz> writes:

> Robert Vollmert <rob@vllmrt.net> writes:
>
>> Good point, but that breaks down once a library is used by a package
>> outside that module. E.g. consider the various ghc-* packages. Running
>> =E2=80=9Cguix search clock=E2=80=9D returns `ghc-clock` and `ocaml-mtime=
`. The first
>> needs to be public since it=E2=80=99s used elsewhere, the second is defi=
ned
>> as public anyway. Should that change?
>
> If you need to depend on a non-exported package, you can still
> access it with
>
>   (@@ (gnu packages my-module) my-package)

Nah, it=E2=80=99s not good to do this.  The use of @@ is an anti-pattern.

To completely hide a package from the UI use =E2=80=9Chidden-package=E2=80=
=9D or
=E2=80=9C(properties ((hidden . #t)))=E2=80=9D.

--=20
Ricardo