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bug#23276: autorevert for a deleted dired directory (ref: 23276)
From: |
Boruch Baum |
Subject: |
bug#23276: autorevert for a deleted dired directory (ref: 23276) |
Date: |
Tue, 29 Dec 2020 16:18:20 -0500 |
User-agent: |
NeoMutt/20180716 |
On 2020-12-29 12:24, Drew Adams wrote:
> My own take is different. I think the behavior should be similar to
> what we do for a file.
>
> The only difference I can think of (so far) is that the notion of
> "saving" the changes is combined with the notion of turning off
> read-only. For a file those are two different things: `C-x C-q'
> doesn't save editing changes to disk.
>
> When you use `C-x C-q' to go back to Dired mode from WDired, you are
> in effect saving your changes.
I was familiar with the "C-c C-c" keybinding, but I tried your
keybinding just now for a simple edit and it work! I don't see it
documented like "C-c C-c" but both *are* bound to the same function.
>
> If you're in WDired making changes, and something - ANYTHING, inside
> or outside Emacs - deletes the directory, then what should happen is
> that when you try `C-x C-q' to save your changes, the directory and
> its files and subdirs are created, so that the Dired buffer is made to
> correspond to the changes you made.
>
> That may not be easy to implement. But ideally that's the behavior I'd
> like: just like saving changes to a file buffer, if something -
> ANYTHING - deletes the file while you're editing its buffer.
It would also create expectation-conflicts between inside-emacs
expectations and outside-emacs expectations. For example, if outside
emacs I perform a 'shred' operation on a dirtree, I wouldn't want that
operation undone by emacs. I would have a likewise expectation for a
simple delete in an environment that doesn't implement some form of
'trash-can'. At worst case, I'm imagining emacs performing file-locks on
all elements of huge dirtree in a multi-user environment, all for a
single file rename...
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