GNU bug report logs - #55810
28.1; No "really edit the buffer?" prompt when editing a changed file over Tramp

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Jim Porter <jporterbugs <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 28.1; No "really edit the buffer?" prompt when editing a changed file
 over Tramp
Date: Sun, 5 Jun 2022 11:43:44 -0700

To see this in action:

  $ cat file.txt
  hi

  $ emacs -Q
  C-x C-f /ssh:localhost:~/file.txt

  $ echo bye >> file.txt

Back in Emacs, type anything into the buffer. It should ask, "file.txt 
changed on disk; really edit the buffer?" However, it doesn't. (It does 
still provide a warning you when you save though.)

Note: this used to work in Emacs 27, and works again in Emacs 29, but 
Emacs 28 fails.

Strangely, I updated Tramp from GNU ELPA and the bug went away, but only 
until I restarted Emacs; then it returned. I haven't had time to try and 
reliably reproduce this part though, so that might just be a coincidence.

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