<tree> option the prefix of all submodule output will be the name of
the parent project's <tree> object.
---parent-basename <basename>::
- For internal use only. In order to produce uniform output with the
- --recurse-submodules option, this option can be used to provide the
- basename of a parent's <tree> object to a submodule so the submodule
- can prefix its output with the parent's name rather than the SHA1 of
- the submodule.
-
-a::
--text::
Process binary files as if they were text.