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d813b7837a
Allows for configuration and build from a read-only-mounted source dir by setting the build number externally. For example: `cmake -DOBS_BUILD_NUMBER=1`
24 lines
699 B
CMake
24 lines
699 B
CMake
# OBS CMake build number module
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include_guard(GLOBAL)
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# Define build number cache file
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set(_BUILD_NUMBER_CACHE
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"${CMAKE_CURRENT_SOURCE_DIR}/cmake/.CMakeBuildNumber"
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CACHE INTERNAL "OBS build number cache file")
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# Read build number from cache file or manual override
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if(NOT DEFINED OBS_BUILD_NUMBER)
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if(EXISTS "${_BUILD_NUMBER_CACHE}")
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file(READ "${_BUILD_NUMBER_CACHE}" OBS_BUILD_NUMBER)
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math(EXPR OBS_BUILD_NUMBER "${OBS_BUILD_NUMBER}+1")
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else()
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if("$ENV{CI}" AND "$ENV{GITHUB_RUN_ID}")
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set(OBS_BUILD_NUMBER "$ENV{GITHUB_RUN_ID}")
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else()
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set(OBS_BUILD_NUMBER "1")
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endif()
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endif()
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file(WRITE "${_BUILD_NUMBER_CACHE}" "${OBS_BUILD_NUMBER}")
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endif()
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