get_version.cmake

# BAREOS® - Backup Archiving REcovery Open Sourced
#
# Copyright (C) 2019-2022 Bareos GmbH & Co. KG
#
# This program is Free Software; you can redistribute it and/or modify it under
# the terms of version three of the GNU Affero General Public License as
# published by the Free Software Foundation and included in the file LICENSE.
#
# This program 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 Affero General Public License for more
# details.
#
# You should have received a copy of the GNU Affero General Public License along
# with this program; if not, write to the Free Software Foundation, Inc., 51
# Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

cmake_minimum_required(VERSION 3.17)
cmake_policy(VERSION 3.17...3.19)

if(NOT DEFINED VERSION_STRING)
  set(CMAKE_MODULE_PATH
      "${CMAKE_CURRENT_LIST_DIR}/cmake" "${CMAKE_CURRENT_LIST_DIR}/core/cmake"
      "${CMAKE_CURRENT_LIST_DIR}/webui/cmake"
  )

  find_package(Git QUIET)
  include(BareosVersionFromGit)

  include(BareosVersion OPTIONAL RESULT_VARIABLE BareosVersionFile)
  if(BareosVersionFile STREQUAL "NOTFOUND")
    if(GIT_DESCRIBE_VERSION)
      set(VERSION_STRING "${GIT_DESCRIBE_VERSION}")
    else()
      message(
        FATAL_ERROR
          "VERSION_STRING not set, BareosVersion.cmake not found and no version data from git available.\n"
          "For more information why this happened and how to fix it, please see "
          "https://docs.bareos.org/DeveloperGuide/AutomaticVersionGeneration.html#troubleshooting"
      )
    endif()
  endif()
endif()
message(STATUS "${VERSION_STRING}")