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 a84844810cb..396e4c28b36 100644 --- a/lisp/files.el +++ b/lisp/files.el @@ -4081,6 +4081,11 @@ non-nil, it is called instead of rereading visited file contents." "File %s no longer exists!" "Cannot revert nonexistent file %s") file-name)) + ((not (file-readable-p file-name)) + (error (if buffer-file-number + "File %s no longer readable!" + "Cannot revert unreadable file %s") + file-name)) (t ;; Bind buffer-file-name to nil ;; so that we don't try to lock the file. |