Cmake编译生成git信息

获取git commit

execute_process(
        COMMAND git rev-parse --short HEAD
        WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
        OUTPUT_VARIABLE GIT_COMMIT_HASH
        OUTPUT_STRIP_TRAILING_WHITESPACE
)

获取git branch

execute_process(
        COMMAND git symbolic-ref --short -q HEAD
        WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
        OUTPUT_VARIABLE GIT_COMMIT_HASH
        OUTPUT_STRIP_TRAILING_WHITESPACE
)