diff options
Diffstat (limited to 'lisp')
| -rw-r--r-- | lisp/files.el | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lisp/files.el b/lisp/files.el index 309410ba992..b06e5a62f38 100644 --- a/lisp/files.el +++ b/lisp/files.el @@ -1422,6 +1422,11 @@ if you wish to pass an empty string as the argument." (setq truename (file-truename filename)) (if find-file-visit-truename (setq filename truename)))) + (let ((buffer (find-buffer-visiting filename))) + (and buffer (not (eq buffer (current-buffer))) + (not (y-or-n-p (message "A buffer is visiting %s; proceed? " + filename))) + (error "Aborted"))) (or (equal filename buffer-file-name) (progn (and filename (lock-buffer filename)) |