If you are using a submodule, ~/.vim/bundle/vundle/.git is a file, not a directory. So I changed the test for that.
@@ -4,7 +4,7 @@ function vundle-init () {
mkdir -p ~/.vim/bundle/vundle/
fi
- if [ ! -d ~/.vim/bundle/vundle/.git/ ]
+ if [ ! -d ~/.vim/bundle/vundle/.git ] && [ ! -f ~/.vim/bundle/vundle/.git ]
then
git clone http://github.com/gmarik/vundle.git ~/.vim/bundle/vundle
echo "\n\tRead about vim configuration for vundle at https://github.com/gmarik/vundle\n"