# Copyright 2006 The QElectroTech Team
# This file is part of QElectroTech.
#
# QElectroTech is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 2 of the License, or
# (at your option) any later version.
#
# QElectroTech is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with QElectroTech. If not, see <http://www.gnu.org/licenses/>.

message(" - git_update_submodules")

find_package(Git QUIET)

if(GIT_FOUND AND EXISTS "${PROJECT_SOURCE_DIR}/.git")
  # updates all git submodules
  execute_process(
    COMMAND ${GIT_EXECUTABLE} submodule update --init --recursive
    WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
    RESULT_VARIABLE GIT_SUBMOD_RESULT)

  if(NOT GIT_SUBMOD_RESULT EQUAL "0")
    message(
      FATAL_ERROR
      "git submodule update --init failed with "
      ${GIT_SUBMOD_RESULT}
      ", please checkout submodules")
  endif()
endif()