mirror of
https://github.com/espressif/esp-idf.git
synced 2025-11-04 14:14:11 +00:00
70 lines
2.8 KiB
CMake
70 lines
2.8 KiB
CMake
find_package(Git)
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if(NOT GIT_FOUND)
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message(WARNING "Git executable was not found. Git submodule checks will not be executed. "
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"If you have any build issues at all, start by adding git executable to the PATH and "
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"rerun cmake to not see this warning again.")
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function(git_submodule_check root_path)
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# no-op
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endfunction()
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else()
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function(git_submodule_check root_path)
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# for internal use:
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# skip submodule check if running on Gitlab CI and job is configured as not clone submodules
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if($ENV{IDF_SKIP_CHECK_SUBMODULES})
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if($ENV{IDF_SKIP_CHECK_SUBMODULES} EQUAL 1)
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message("skip submodule check on internal CI")
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return()
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endif()
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endif()
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execute_process(
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COMMAND ${GIT_EXECUTABLE} submodule status
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WORKING_DIRECTORY ${root_path}
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OUTPUT_VARIABLE submodule_status
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)
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# git submodule status output not guaranteed to be stable,
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# may need to check GIT_VERSION_STRING and do some fiddling in the
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# future...
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lines2list(submodule_status)
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foreach(line ${submodule_status})
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string(REGEX MATCH "(.)[0-9a-f]+ ([^\( ]+) ?" _ignored "${line}")
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set(status "${CMAKE_MATCH_1}")
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set(submodule_path "${CMAKE_MATCH_2}")
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if("${status}" STREQUAL "-") # missing submodule
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message(STATUS "Initialising new submodule ${submodule_path}...")
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execute_process(
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COMMAND ${GIT_EXECUTABLE} submodule update --init --recursive ${submodule_path}
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WORKING_DIRECTORY ${root_path}
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RESULT_VARIABLE git_result
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)
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if(git_result)
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message(FATAL_ERROR "Git submodule init failed for ${submodule_path}")
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endif()
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elseif(NOT "${status}" STREQUAL " ")
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message(WARNING "Git submodule ${submodule_path} is out of date. "
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"Run 'git submodule update --init --recursive' to fix.")
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endif()
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# Force a re-run of cmake if the submodule's .git file changes or is changed (ie accidental deinit)
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get_filename_component(submodule_abs_path ${submodule_path} ABSOLUTE BASE_DIR ${root_path})
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set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS ${submodule_abs_path}/.git)
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# same if the HEAD file in the submodule's directory changes (ie commit changes).
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# This will at least print the 'out of date' warning
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set(submodule_head "${root_path}/.git/modules/${submodule_path}/HEAD")
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if(EXISTS "${submodule_head}")
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set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS ${submodule_head})
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endif()
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endforeach()
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endfunction()
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endif()
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