vim plugins autoinstall on first load

.vimrc

@@ -1,6 +1,11 @@
 set nocompatible              " be iMproved, required
 filetype off                  " required
 
+if empty(glob("~/.vim/bundle/Vundle.vim"))
+	execute '!git clone https://github.com/VundleVim/Vundle.vim.git ~/.vim/bundle/Vundle.vim'
+	autocmd VimEnter * silent! PluginInstall
+endif
+
 " set the runtime path to include Vundle and initialize
 set rtp+=~/.vim/bundle/Vundle.vim
 call vundle#begin()