Re: Emacs does not detect a buffered file got deleted

[Jiege Chen <jiegec@qq.com>]

On the contrary, I prefer the GNU Emacs way. Please make this as the
default if you create a new defcustom.

路客 <luke.yx.lee@gmail.com> wrote:
> Nope, it's not an issue at all; it's just for user-convenience. Whether
> convenient or not is of course personal but some modern editors like
> notepad++, ultraedit ... already doing this for some time. VIM does not
> detect that either, but gvim did give us a warning about file no longer
> there. Here I'm just trying to match some modern editor behavior. One
> sample issue is that when switching between git branches I sometimes find
> I'm still editing a file that's already not there
> (moved/deleted/included-into-other-file by others), till I do "git status"
> or "git add" and then find out the fact.
> 
> Of course it won't be difficult to add an extra mode to do that but I'm
> just thinking it should be easier to fix it from the origin. Remove that
> test condition and modify `ask-user-about-supersession-threat' to detect
> file deletion.
> 
> Well, if no one think it's a good idea I will draw back my proposal then
> and patch it in my own local system, or maybe a minor mode then. Thanks!
> 
> 2016-08-08 22:55 GMT+08:00 Eli Zaretskii <eliz@gnu.org>:
> 
>>> From: 路客 <luke.yx.lee@gmail.com>
>>> Date: Mon, 8 Aug 2016 16:55:55 +0800
>>> Cc: Emacs developers <emacs-devel@gnu.org>
>>> 
>>> Yes, I understood that. My intention is to notify the user about the
>> deletion but not
>>> really want to revert the file. Emacs provide other options other than
>> reverting. A
>>> "revert" here might mean "close this buffer". However,this might need
>> further
>>> modification to notify the user about the deletion instead of the normal
>> modification
>>> notification. Using the original `ask-user-about-supersession-threat'
>> might be a bit
>>> confusing if file is deleted. What do you think?
>> 
>> Emacs doesn't do anything like that anywhere else, AFAIK.  Not even
>> auto-revert mode does something like that for deleted files.  I'm not
>> sure I see good reasons to do anything in this particular case.
>> 
>> Let me turn the table and ask you what kind of trouble you saw with
>> buffers whose files were deleted by Git (or any other VCS)?  Why would
>> you like Emacs to do something special in this case?  An extra buffer
>> is a non-issue in Emacs.
>> 
>> Thanks.
>> 
> 
> 
> 



-- 
Jiegec