include (ExternalProject)
find_program(GIT_EXECUTABLE git)
ExternalProject_Add(
    project_catch
    PREFIX ${CMAKE_BINARY_DIR}/catch
    GIT_REPOSITORY https://github.com/catchorg/Catch2.git
    GIT_TAG v2.13.7
    TIMEOUT 10
    UPDATE_COMMAND "" # ${GIT_EXECUTABLE} pull
    CONFIGURE_COMMAND ""
    BUILD_COMMAND ""
    INSTALL_COMMAND ""
    LOG_DOWNLOAD ON
   )

# Expose required variable (CATCH_INCLUDE_DIR) to parent scope
ExternalProject_Get_Property(project_catch source_dir)
set(CATCH_INCLUDE_DIR ${source_dir}/single_include CACHE INTERNAL "Path to include folder for Catch")