# HG changeset patch
# User Augie Fackler <durin42@gmail.com>
# Date 1308321977 18000
# Node ID 3350b219b65340f36c1151da4a909f4754d372ce
# Parent  a5ec16bba8a956ea228a2bb60e749de75b5aebb4
wcroot: use git to directly find repo root.

git cleverly hides this under git-rev-parse, which isn't a place I'd
have ever thought to look. Thanks to Jacob Lee for the tip.

diff --git a/.shell.d/50.vcs_functions.sh b/.shell.d/50.vcs_functions.sh
--- a/.shell.d/50.vcs_functions.sh
+++ b/.shell.d/50.vcs_functions.sh
@@ -142,11 +142,9 @@ function wcroot() {
         cd $root
         return 0
     fi
-    git branch 2> /dev/null > /dev/null
+    root=$(git rev-parse --show-toplevel 2> /dev/null)
     if [ $? = 0 ] ; then
-        while [ ! -e .git ] ; do
-            cd ..
-        done
+        cd $root
         return 0
     fi
     if [ -e .svn ] ; then