branch. This is useful e.g. to maintain minimal clones of the default
branch of some repository for search indexing.
---recurse-submodules[=<pathspec]::
+--recurse-submodules[=<pathspec>]::
After the clone is created, initialize and clone submodules
within based on the provided pathspec. If no pathspec is
provided, all submodules are initialized and cloned.