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Make dired-toggle-read-only check whether the directory is writable

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* lisp/dired.el (dired-toggle-read-only): Check that the directory
is writable (bug#29412).
This commit is contained in:
Lars Ingebrigtsen 2020-12-12 12:32:15 +01:00
parent 204d151940
commit f6cafe6574
1 changed files with 2 additions and 0 deletions
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2
lisp/dired.el
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@ -2419,6 +2419,8 @@ If the current buffer can be edited with Wdired, (i.e. the major
mode is `dired-mode'), call `wdired-change-to-wdired-mode'.
Otherwise, toggle `read-only-mode'."
(interactive)
(unless (file-writable-p default-directory)
(user-error "Directory %s isn't writeable" default-directory))
(if (derived-mode-p 'dired-mode)
(wdired-change-to-wdired-mode)
(read-only-mode 'toggle)))