GNU bug report logs - #41732
Implement a wrapper so users can build the Emacs packages using a version of their choosing

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From: Nicolas Goaziou <mail <at> nicolasgoaziou.fr>
To: Maxim Cournoyer <maxim.cournoyer <at> gmail.com>
Cc: 41732 <at> debbugs.gnu.org, Fredrik Salomonsson <plattfot <at> gmail.com>
Subject: bug#41732: New ’package-with-emacs-next’ procedure
Date: Sun, 27 Sep 2020 11:00:30 +0200

Hello,

Maxim Cournoyer <maxim.cournoyer <at> gmail.com> writes:

> Perhaps then,
>
> --8<---------------cut here---------------start------------->8---
> guix build -m manifest.scm --with-input=emacs-minimal=emacs-next \
>      --with-input=emacs=emacs-next
> --8<---------------cut here---------------end--------------->8---

Possibly. And then Magit uses emacs-no-x as an input, so we may need to
also add --with-input=emacs-no-x=emacs-next to the command.

I'm just pointing out that the process is not as straightforward as it
might seem. So, it doesn't sound right to simply suggest

  guix build -m manifest.scm --with-input=emacs-minimal=emacs-next

in the manual/cookbook without caution.

Or maybe `package-with-emacs-next' could be more high-level, and handle
all of these cases. I don't know.

Regards,
-- 
Nicolas Goaziou

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