Even more info in the case packaging fails

lib/tasks/packaging.rake

@@ -201,7 +201,10 @@ namespace :package do
       # make sure no pending changes need to be commited to repository
       uncommitted_changes=`git status --untracked-files=no --porcelain`
       if uncommitted_changes != ""
+        STDERR.puts "Unexpected diff:"
+        git diff
         fail "You are building from a directory with uncommited files in git. Please commit pending changes so there is a chance the build can be traked back to a specific state in the repository\n#{uncommitted_changes}"
+        
       end
 
       # prepare the build directory