Re: Package Requiring a Commit?

[Filipp Gunbin]

On 04/05/2022 11:44 +0000, Jai Flack wrote:

> Greetings Emacs Developers,
>
> Is there a preferred way for a package to Package-Requires on an Emacs
> version more recent than the latest release? The context for this my
> package isearch-olc [1] which I would like to finish testing and submit
> for inclusion in GNU ELPA soon, however it requires
> lazy-count-update-hook which was only introduced in a recent-ish commit.
>
> Is the preferred solution to check for special-variable-p and error
> (possibly message on load and error on mode enable) if it hasn't been
> defined yet?

This should work, just use next version:

;; Package-Requires: ((emacs "29"))

Then people running Emacs which was built recently from master will be
able to install your package, because they're "already on 29".

Filipp