diff options
Diffstat (limited to 'lisp/files.el')
| -rw-r--r-- | lisp/files.el | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/lisp/files.el b/lisp/files.el index ebd4d469f5c..68a1d52a2df 100644 --- a/lisp/files.el +++ b/lisp/files.el @@ -2687,6 +2687,7 @@ BACKUPNAME is the backup file name, which is the old file renamed." backup-by-copying ;; Don't rename a suid or sgid file. (and modes (< 0 (logand modes #o6000))) + (not (file-writable-p (file-name-directory real-file-name))) (and backup-by-copying-when-linked (> (file-nlinks real-file-name) 1)) (and (or backup-by-copying-when-mismatch |