src/tools/xcode/momcwrapper/README - bazel - Git at Google

 momcwrapper runs momc, which compiles xcdatamodels.
 momcwrapper then zips up the output, because momc returns an unpredictable
 number of output files.

 momc only runs on Darwin, so momcwrapper only runs on Darwin.
	momcwrapper runs momc, which compiles xcdatamodels.
	momcwrapper then zips up the output, because momc returns an unpredictable
	number of output files.

	momc only runs on Darwin, so momcwrapper only runs on Darwin.