minetest/cmake/Modules/GenerateVersion.cmake

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# Always run during 'make'
if(VERSION_EXTRA)
set(VERSION_GITHASH "${VERSION_STRING}")
else(VERSION_EXTRA)
execute_process(COMMAND git describe --always --tag --dirty
WORKING_DIRECTORY "${GENERATE_VERSION_SOURCE_DIR}"
OUTPUT_VARIABLE VERSION_GITHASH OUTPUT_STRIP_TRAILING_WHITESPACE
ERROR_QUIET)
if(VERSION_GITHASH)
message(STATUS "*** Detected git version ${VERSION_GITHASH} ***")
else()
set(VERSION_GITHASH "${VERSION_STRING}")
endif()
endif()
configure_file(
${GENERATE_VERSION_SOURCE_DIR}/cmake_config_githash.h.in
${GENERATE_VERSION_BINARY_DIR}/cmake_config_githash.h)