message: print NEBULA_COMMON_REPO_TAG
diff: @@ -15,7 +15,7 @@ macro(nebula_fetch_module)
  )
  set(module_dir ${CMAKE_SOURCE_DIR}/modules/${module_NAME})
  if(NOT EXISTS ${module_dir}/.git)
  - message(STATUS "Cloning from ${module_URL}")
  + message(STATUS "Cloning from ${module_URL}:${module_TAG}")
  execute_process(
  COMMAND
  ${GIT_EXECUTABLE} clone
  