# Copyright (C) 2022. Huawei Technologies Co., Ltd. All rights reserved.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"),
# to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
# COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

cmake_minimum_required(VERSION 3.10...3.20 FATAL_ERROR)

find_package(Git)
if (GIT_FOUND)
    execute_process(
            COMMAND ${GIT_EXECUTABLE} rev-parse --short HEAD
            WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
            OUTPUT_VARIABLE RAUL_GIT_REVISION
            ERROR_QUIET
            OUTPUT_STRIP_TRAILING_WHITESPACE
    )
    execute_process(
            COMMAND ${GIT_EXECUTABLE} show -s --date=short --pretty=%ad HEAD
            WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
            OUTPUT_VARIABLE RAUL_GIT_DATE
            ERROR_QUIET
            OUTPUT_STRIP_TRAILING_WHITESPACE
    )
    if (NOT RAUL_GIT_REVISION)
        set(RAUL_GIT_REVISION "Unknown revision")
    endif ()
    if (NOT RAUL_GIT_DATE)
        set(RAUL_GIT_DATE "Unknown date")
    endif ()
    set(RAUL_GIT_REVISION ${RAUL_GIT_REVISION} PARENT_SCOPE)
    set(RAUL_GIT_DATE ${RAUL_GIT_DATE} PARENT_SCOPE)
    message(STATUS "Git hash: ${RAUL_GIT_REVISION}")
    message(STATUS "Git date: ${RAUL_GIT_DATE}")
else ()
    message(STATUS "Git not found")
endif ()
