be ignored, no matter if they are already present in the work
tree or not.
+--no-warn-embedded-repo::
+ By default, `git add` will warn when adding an embedded
+ repository to the index without using `git submodule add` to
+ create an entry in `.gitmodules`. This option will suppress the
+ warning (e.g., if you are manually performing operations on
+ submodules).
+
--chmod=(+|-)x::
Override the executable bit of the added files. The executable
bit is only changed in the index, the files on disk are left