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author | Eli Zaretskii <eliz@gnu.org> | 2005-03-19 13:29:06 +0000 |
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committer | Eli Zaretskii <eliz@gnu.org> | 2005-03-19 13:29:06 +0000 |
commit | 702831f54b2d6aea6796a7c3fa58b40689fd1721 (patch) | |
tree | 011eb01bef3f4566c76756ec4b2baf25770fd881 | |
parent | 673e58bd171ee845414b3593b32dc4b783b08406 (diff) | |
download | emacs-702831f54b2d6aea6796a7c3fa58b40689fd1721.tar.gz |
(backup-buffer): If the file's directory is not writable,
use copy instead of move to backup the file.
-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 |