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Diffstat (limited to 'lisp/emacs-lisp/autoload.el')
| -rw-r--r-- | lisp/emacs-lisp/autoload.el | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/lisp/emacs-lisp/autoload.el b/lisp/emacs-lisp/autoload.el index 4a9bd6d06b3..e811ee23fea 100644 --- a/lisp/emacs-lisp/autoload.el +++ b/lisp/emacs-lisp/autoload.el @@ -873,12 +873,18 @@ FILE's modification time." ;; For parallel builds, to stop another process reading a half-written file. (defun autoload--save-buffer () "Save current buffer to its file, atomically." - ;; Copied from byte-compile-file. + ;; Similar to byte-compile-file. (let* ((version-control 'never) (tempfile (make-temp-file buffer-file-name)) + (default-modes (default-file-modes)) + (temp-modes (logand default-modes #o600)) + (desired-modes (logand default-modes + (or (file-modes buffer-file-name) #o666))) (kill-emacs-hook (cons (lambda () (ignore-errors (delete-file tempfile))) kill-emacs-hook))) + (unless (= temp-modes desired-modes) + (set-file-modes tempfile desired-modes)) (write-region (point-min) (point-max) tempfile nil 1) (backup-buffer) (rename-file tempfile buffer-file-name t)) |