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bug#38707: dired-do-rename doesn't check for "/" !
From: |
Nick Helm |
Subject: |
bug#38707: dired-do-rename doesn't check for "/" ! |
Date: |
Tue, 24 Dec 2019 17:28:55 +1300 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/26.3 (darwin) |
Dan Jacobson <jidanni@jidanni.org> writes:
> Let's say you tell it to rename qqq to "xxx/yyy/zzz/".
>
> And it works.
>
> You get xxx/yyy/zzz/qqq
>
> But if there is no directory zzz,
> then one day you will discover you got
>
> xxx/yyy/qqq .
I'm not sure this is actually a bug, but it looks like the behaviour
happens because of these lines in dired-do-create-files.
;; rename-file bombs when moving directories unless we do this:
(or into-dir (setq target (directory-file-name target)))
Dired could check for and issue an error in the case where the source is
a file and the target appears to be a non-existent directory. Something
like this perhaps?
--- a/lisp/dired-aux.el 2019-12-23 15:12:26.000000000 +1300
+++ b/lisp/dired-aux.el 2019-12-23 15:18:17.000000000 +1300
@@ -1878,6 +1878,10 @@
(apply (car into-dir) operation rfn-list fn-list target (cdr into-dir))
(if (not (or dired-one-file into-dir))
(error "Marked %s: target must be a directory: %s" operation target))
+ (if (and (not (file-directory-p (car fn-list)))
+ (not (file-directory-p target))
+ (directory-name-p target))
+ (error "%s: Target directory does not exist: %s" operation target))
;; rename-file bombs when moving directories unless we do this:
(or into-dir (setq target (directory-file-name target)))
(dired-create-files
Nick