Tests/RunCMake/FetchContent/PreserveEmptyArgs.cmake - third_party/github.com/Kitware/CMake - Git at Google

 include(FetchContent)

 # Need to see the download command output
 set(FETCHCONTENT_QUIET OFF)

 FetchContent_Declare(
   t1
   DOWNLOAD_COMMAND ${CMAKE_COMMAND} -P
                    ${CMAKE_CURRENT_LIST_DIR}/countArgs.cmake
                    before "" after
 )

 FetchContent_Populate(t1)
	include(FetchContent)

	# Need to see the download command output
	set(FETCHCONTENT_QUIET OFF)

	FetchContent_Declare(
	t1
	DOWNLOAD_COMMAND ${CMAKE_COMMAND} -P
	${CMAKE_CURRENT_LIST_DIR}/countArgs.cmake
	before "" after
	)

	FetchContent_Populate(t1)