forked from Mirrors/openclonk
75 lines
2.4 KiB
CMake
75 lines
2.4 KiB
CMake
# OpenClonk, http://www.openclonk.org
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#
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# Copyright (c) 2012-2016, The OpenClonk Team and contributors
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#
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# Distributed under the terms of the ISC license; see accompanying file
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# "COPYING" for details.
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#
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# "Clonk" is a registered trademark of Matthes Bender, used with permission.
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# See accompanying file "TRADEMARK" for details.
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#
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# To redistribute this file separately, substitute the full license texts
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# for the above references.
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function(git_get_changeset_id VAR)
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find_package(Git QUIET)
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if (GIT_FOUND)
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execute_process(WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
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COMMAND "${GIT_EXECUTABLE}" "rev-parse" "HEAD"
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RESULT_VARIABLE GIT_RESULT
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OUTPUT_VARIABLE C4REVISION
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OUTPUT_STRIP_TRAILING_WHITESPACE
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ERROR_QUIET)
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if(GIT_RESULT EQUAL 0)
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string(SUBSTRING "${C4REVISION}" 0 12 C4REVISION)
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execute_process(WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
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COMMAND "${GIT_EXECUTABLE}" "status" "--porcelain"
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OUTPUT_VARIABLE GIT_STATUS
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)
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string(REGEX MATCH "^[MADRC ][MD ]" WORKDIR_DIRTY "${GIT_STATUS}")
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execute_process(WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
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COMMAND "${GIT_EXECUTABLE}" "rev-parse" "--git-path" "index"
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OUTPUT_VARIABLE GIT_INDEX
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OUTPUT_STRIP_TRAILING_WHITESPACE
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)
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set_property(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
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APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS
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"${GIT_INDEX}"
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)
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execute_process(WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
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COMMAND "${GIT_EXECUTABLE}" "show" "--format=%ci" "-s" "HEAD"
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OUTPUT_VARIABLE GIT_TIMESTAMP
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OUTPUT_STRIP_TRAILING_WHITESPACE
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)
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endif()
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endif()
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if (NOT C4REVISION)
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# Git not found or not a git workdir
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file(STRINGS "${CMAKE_CURRENT_SOURCE_DIR}/.git_archival" C4REVISION
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LIMIT_COUNT 1
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REGEX "node: [0-9a-f]+"
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)
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string(LENGTH "${C4REVISION}" revlength)
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if(revlength LESS 18)
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set(C4REVISION "unknown")
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message(WARNING "Could not retrieve git revision. Please set GIT_EXECUTABLE!")
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else()
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string(SUBSTRING "${C4REVISION}" 6 12 C4REVISION)
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endif()
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unset(revlength)
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file(STRINGS "${CMAKE_CURRENT_SOURCE_DIR}/.git_archival" C4REVISION_TS
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LIMIT_COUNT 1
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REGEX "date: .+"
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)
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string(SUBSTRING "${C4REVISION_TS}" 6 -1 GIT_TIMESTAMP)
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endif()
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if(WORKDIR_DIRTY)
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set(WORKDIR_DIRTY 1)
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endif()
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set(${VAR} "${C4REVISION}" PARENT_SCOPE)
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set(${VAR}_DIRTY ${WORKDIR_DIRTY} PARENT_SCOPE)
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set(${VAR}_TS "${GIT_TIMESTAMP}" PARENT_SCOPE)
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endfunction()
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