39 lines
1.3 KiB
CMake
39 lines
1.3 KiB
CMake
function(get_version_from_git)
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find_package(Git REQUIRED)
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if(NOT GIT_TAG)
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execute_process(
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COMMAND ${GIT_EXECUTABLE} describe --tags --always
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WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
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OUTPUT_VARIABLE GIT_TAG
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OUTPUT_STRIP_TRAILING_WHITESPACE
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RESULT_VARIABLE GIT_RESULT
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)
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if(NOT GIT_RESULT EQUAL 0)
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message(FATAL_ERROR "Failed to get git tag")
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endif()
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endif()
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string(REGEX REPLACE "^v" "" CLEAN_TAG "${GIT_TAG}")
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if(CLEAN_TAG MATCHES "^([0-9]+)\\.([0-9]+)\\.([0-9]+)(-.*)?$")
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set(CMAKE_PROJECT_VERSION_MAJOR ${CMAKE_MATCH_1})
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set(CMAKE_PROJECT_VERSION_MAJOR ${CMAKE_MATCH_1} PARENT_SCOPE)
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set(CMAKE_PROJECT_VERSION_MINOR ${CMAKE_MATCH_2})
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set(CMAKE_PROJECT_VERSION_MINOR ${CMAKE_MATCH_2} PARENT_SCOPE)
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set(CMAKE_PROJECT_VERSION_PATCH ${CMAKE_MATCH_3})
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set(CMAKE_PROJECT_VERSION_PATCH ${CMAKE_MATCH_3} PARENT_SCOPE)
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set(PROJECT_VERSION "${CMAKE_MATCH_1}.${CMAKE_MATCH_2}.${CMAKE_MATCH_3}")
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set(PROJECT_VERSION "${CMAKE_MATCH_1}.${CMAKE_MATCH_2}.${CMAKE_MATCH_3}" PARENT_SCOPE)
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else()
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message(WARNING "Tag '${CLEAN_TAG}' does not match semver format")
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set(CMAKE_PROJECT_VERSION_MAJOR 0)
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set(CMAKE_PROJECT_VERSION_MAJOR 0 PARENT_SCOPE)
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set(CMAKE_PROJECT_VERSION_MINOR 0)
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set(CMAKE_PROJECT_VERSION_MINOR 0 PARENT_SCOPE)
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set(CMAKE_PROJECT_VERSION_PATCH 0)
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set(CMAKE_PROJECT_VERSION_PATCH 0 PARENT_SCOPE)
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endif()
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endfunction()
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