ctest_update([SOURCE <source-dir>] [RETURN_VALUE <result-var>] [CAPTURE_CMAKE_ERROR <result-var>] [QUIET])
ctest_update([SOURCE <source-dir>] [RETURN_VALUE <result-var>] [CAPTURE_CMAKE_ERROR <result-var>] [QUIET])
ctest_update( SOURCE "${MAJA_SOURCE_DIR}"
CAPTURE_CMAKE_ERROR _update_error)