Function: vc-buffer-sync

vc-buffer-sync is a byte-compiled function defined in vc-dispatcher.el.gz.

Signature

(vc-buffer-sync &optional NOT-ESSENTIAL)

Documentation

Make sure the current buffer and its working file are in sync.

NOT-ESSENTIAL means it is okay to continue if the user says not to save.

Source Code

;; Defined in /usr/src/emacs/lisp/vc/vc-dispatcher.el.gz
(defun vc-buffer-sync (&optional not-essential)
  "Make sure the current buffer and its working file are in sync.
NOT-ESSENTIAL means it is okay to continue if the user says not to save."
  (let (missing)
    (when (cond
           ((buffer-modified-p))
           ((not (file-exists-p buffer-file-name))
            (setq missing t)))
      (if (or vc-suppress-confirm
              (y-or-n-p (format "Buffer %s %s; save it? "
                                (buffer-name)
                                (if missing
                                    "is missing on disk"
                                  "modified"))))
          (save-buffer)
        (unless not-essential
          (error "Aborted"))))))