shrc: Add new function root

shrc

@@ -433,6 +433,15 @@ cd(){
     builtin cd "$@" && pwd
 }
 
+root(){
+    if test "`git rev-parse --is-inside-work-tree 2>/dev/null`" = true
+    then
+        cd "`git rev-parse --show-toplevel`"
+    else
+        cd /
+    fi
+}
+
 # pad
 alias pad=notepad
 __safe_alias pad=gedit