From: Richard M. Stallman <rms@gnu.org>
Date: Sun, 24 Apr 1994 10:00:51 +0000 (+0000)
Subject: (vc-mode-line): Warn if file is not vc-registered
X-Git-Tag: emacs-19.34~8772
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=8d51c5cc397ed5b3a9db54d66c001f478c634538;p=emacs.git

(vc-mode-line): Warn if file is not vc-registered
but is a symlink to a vc-maintained file.
---

diff --git a/lisp/vc-hooks.el b/lisp/vc-hooks.el
index 6e1878ada02..48e3ea6424d 100644
--- a/lisp/vc-hooks.el
+++ b/lisp/vc-hooks.el
@@ -154,6 +154,12 @@ visiting FILE."
 	 (require 'vc)
 	 (not (string-equal (user-login-name) (vc-locking-user file)))
 	 (setq buffer-read-only t))
+    (and (null vc-type)
+	 (file-symlink-p buffer-file-name)
+	 (let ((link-type (vc-backend-deduce (file-symlink-p buffer-file-name))))
+	   (if link-type
+	       (message "Warning: symbolic link to %s-controlled source file"
+			link-type))))
     (force-mode-line-update)
     ;;(set-buffer-modified-p (buffer-modified-p))  ;;use this if Emacs 18
     vc-type))