bug#48117: 28.0.50; Update of loaddefs.el during normal build is unreliable

[Eli Zaretskii]

> Date: Fri, 30 Apr 2021 15:01:15 +0000
> From: Gregory Heytings <gregory@heytings.org>
> cc: 48117@debbugs.gnu.org
> 
> > These updates should happen automatically, they should not require 
> > people to "make bootstrap" or manually regenerate loaddefs.el.
> >
> 
> Would it not make sense to include these changes in their respective 
> commits?

loaddefs.el is a generated file (and so are the other *-loaddefs.el
files).

> Another solution would be to have a cron job running somewhere and 
> automatically pushing these changes once a day or so.

How can we do that for files that aren't versioned?