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-rw-r--r--lisp/simple.el28
1 files changed, 24 insertions, 4 deletions
diff --git a/lisp/simple.el b/lisp/simple.el
index 695871db505..accc119e2b3 100644
--- a/lisp/simple.el
+++ b/lisp/simple.el
@@ -2381,12 +2381,17 @@ don't clear it."
(setq current-prefix-arg prefix-arg)
(setq prefix-arg nil)
(when current-prefix-arg
- (prefix-command-update))))))
+ (prefix-command-update)))))
+ query)
(if (and (symbolp cmd)
(get cmd 'disabled)
- disabled-command-function)
- ;; FIXME: Weird calling convention!
- (run-hooks 'disabled-command-function)
+ (or (and (setq query (and (consp (get cmd 'disabled))
+ (eq (car (get cmd 'disabled)) 'query)))
+ (not (command-execute--query cmd)))
+ (and (not query) disabled-command-function)))
+ (when (not query)
+ ;; FIXME: Weird calling convention!
+ (run-hooks 'disabled-command-function))
(let ((final cmd))
(while
(progn
@@ -2410,6 +2415,21 @@ don't clear it."
(put cmd 'command-execute-obsolete-warned t)
(message "%s" (macroexp--obsolete-warning
cmd (get cmd 'byte-obsolete-info) "command"))))))))))
+
+(defun command-execute--query (command)
+ "Query the user whether to run COMMAND."
+ (let ((query (get command 'disabled)))
+ (funcall (if (nth 1 query) #'yes-or-no-p #'y-or-n-p)
+ (nth 2 query))))
+
+;;;###autoload
+(defun command-query (command query &optional verbose)
+ "Make executing COMMAND issue QUERY to the user.
+This will, by default, use `y-or-n-p', but if VERBOSE,
+`yes-or-no-p' is used instead."
+ (put command 'disabled
+ (list 'query (not (not verbose)) query)))
+
(defvar minibuffer-history nil
"Default minibuffer history list.