$ git add . warning: adding embedded git repository: themes/next-reloaded hint: You've added another git repository inside your current repository. hint: Clones of the outer repository will not contain the contents of hint: the embedded repository and will not know how to obtain it. hint: If you meant to add a submodule, use: hint: hint: git submodule add <url> themes/next-reloaded hint: hint: If you added this path by mistake, you can remove it from the hint: index with: hint: hint: git rm --cached themes/next-reloaded hint: hint: See "git help submodule" for more information.