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Add missing cmake file

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Carl Philipp Klemm 2025-09-18 13:06:47 +02:00
parent f43d78f285
commit 379342c086
1 changed files with 38 additions and 0 deletions
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38
cmake/GitVersion.cmake Normal file
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@ -0,0 +1,38 @@
function(get_version_from_git)
find_package(Git REQUIRED)
execute_process(
COMMAND ${GIT_EXECUTABLE} describe --tags --always
WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
OUTPUT_VARIABLE GIT_TAG
OUTPUT_STRIP_TRAILING_WHITESPACE
RESULT_VARIABLE GIT_RESULT
)
if(NOT GIT_RESULT EQUAL 0)
message(FATAL_ERROR "Failed to get git tag")
endif()
execute_process(
COMMAND ${GIT_EXECUTABLE} rev-parse --short=7 HEAD
WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
OUTPUT_VARIABLE GIT_COMMIT_SHORT_HASH
OUTPUT_STRIP_TRAILING_WHITESPACE
)
string(REGEX REPLACE "^v" "" CLEAN_TAG "${GIT_TAG}")
if(CLEAN_TAG MATCHES "^([0-9]+)\\.([0-9]+)\\.([0-9]+)(-.*)?$")
set(CMAKE_PROJECT_VERSION_MAJOR ${CMAKE_MATCH_1})
set(CMAKE_PROJECT_VERSION_MAJOR ${CMAKE_MATCH_1} PARENT_SCOPE)
set(CMAKE_PROJECT_VERSION_MINOR ${CMAKE_MATCH_2})
set(CMAKE_PROJECT_VERSION_MINOR ${CMAKE_MATCH_2} PARENT_SCOPE)
set(CMAKE_PROJECT_VERSION_PATCH ${CMAKE_MATCH_3})
set(CMAKE_PROJECT_VERSION_PATCH ${CMAKE_MATCH_3} PARENT_SCOPE)
set(PROJECT_VERSION "${CMAKE_MATCH_1}.${CMAKE_MATCH_2}.${CMAKE_MATCH_3}")
set(PROJECT_VERSION "${CMAKE_MATCH_1}.${CMAKE_MATCH_2}.${CMAKE_MATCH_3}" PARENT_SCOPE)
else()
message(FATAL_ERROR "Tag '${CLEAN_TAG}' does not match semver format")
endif()
endfunction()