# HG changeset patch
# User Giorgos Keramidas <keramida@ceid.upatras.gr>
# Date 1155489673 -10800
# Node ID 0ffca0cb9f4b83181024ebc6e1d4c78e661c5592
# Parent  cf86bbb8ed68a548e2ef5b1c8cbc8cc8d6176c19
Use cached hg-root-dir instead of rediscovering
by a second call to (hg-root).  We have the path
we need already as the value of hg-root-dir.

diff --git a/contrib/mercurial.el b/contrib/mercurial.el
--- a/contrib/mercurial.el
+++ b/contrib/mercurial.el
@@ -722,7 +722,7 @@ code by typing `M-x find-library mercuri
       (if (not hg-root-dir)
 	  (error "error: %s: directory is not part of a Mercurial repository."
 		 default-directory)
-	(cd (hg-root))))))
+	(cd hg-root-dir)))))
 
 (defun hg-add (path)
   "Add PATH to the Mercurial repository on the next commit.