bug#49701: 28.0.50; Emacs no longer detects file modifications

[Lars Ingebrigtsen]

Dima Kogan <dima@secretsauce.net> writes:

> I'm running an emacs built from git today. The previous behavior of
> detecting modified files doesn't work anymore. Recipe:
>
> 1. echo 123 > /tmp/whatever
>
> 2. emacs -Q /tmp/whatever
>    (emacs now is looking at /tmp/whatever)
>
> 3. outside of emacs: echo 456 >> /tmp/whatever
>    (i.e. we modified the file)
>
> 4. Back inside emacs, press any insertion key. Like 'a'
>
> A this point, the non-bleeding-edge emacs would say see the
> modification, and would ask the user if they want to revert or not. The
> new emacs from git just inserts 'a' as if no outside modification
> happened. I don't see anything in the NEWS that obviously changed this.

Oops.  There was a thinko in 2ad34bcea4e which basically disabled the
test in most circumstances.  Should be fixed now.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no