* vc/vc-hooks.el (vc-find-file-hook): `buffer-file-truename' can

[bpt/emacs.git] / lisp / vc / vc-hooks.el

diff --git a/lisp/vc/vc-hooks.el b/lisp/vc/vc-hooks.el
index 818b37b..5c8a451 100644 (file)
--- a/lisp/vc/vc-hooks.el
+++ b/lisp/vc/vc-hooks.el
@@ -858,8 +858,10 @@ current, and kill the buffer that visits the link."
          (set (make-local-variable 'backup-inhibited) t))
        ;; Let the backend setup any buffer-local things he needs.
        (vc-call-backend backend 'find-file-hook))
-       ((let* ((truename (expand-file-name buffer-file-truename))
-              (link-type (and (not (equal buffer-file-name truename))
+       ((let* ((truename (and buffer-file-truename
+                             (expand-file-name buffer-file-truename)))
+              (link-type (and truename
+                              (not (equal buffer-file-name truename))
                               (vc-backend truename))))
          (cond ((not link-type) nil)   ;Nothing to do.
                ((eq vc-follow-symlinks nil)