qmk_firmware/cmake/UpdateSubmodule.cmake

22 lines
1.1 KiB
CMake

# can be passed a relative path (to CMAKE_SOURCE_DIR) to update/checkout that submodule
macro(update_submodule SUBMODULE)
find_package(Git QUIET)
if(GIT_FOUND AND EXISTS "${CMAKE_SOURCE_DIR}/.git")
option(GIT_SUBMODULE "Check submodules during build" ON)
if(GIT_SUBMODULE)
message(STATUS "Updating submoudle ${SUBMODULE}")
execute_process(COMMAND ${GIT_EXECUTABLE} submodule update ${SUBMODULE}
WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
RESULT_VARIABLE GIT_SUBMOD_RESULT)
if(NOT GIT_SUBMOD_RESULT EQUAL "0")
message(FATAL_ERROR "git submodule update ${SUBMODULE} failed with ${GIT_SUBMOD_RESULT}, please checkout submodules")
endif()
endif()
else()
message("Git not found - skipping submodule update")
endif()
if(NOT EXISTS "${CMAKE_SOURCE_DIR}/${SUBMODULE}/.git")
message(FATAL_ERROR "The submodule was not downloaded! GIT_SUBMODULE was turned off or failed. Please update submodules and try again.")
endif()
endmacro()