52 lines
1.9 KiB
CMake
52 lines
1.9 KiB
CMake
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# Adds version control information to the variable VERS. For
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# determining the Version Control System used (if any) it inspects the
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# existence of certain subdirectories under SOURCE_DIR (if provided as an
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# extra argument, otherwise uses CMAKE_CURRENT_SOURCE_DIR).
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function(get_source_info path revision repository)
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find_package(Git QUIET)
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if(GIT_FOUND)
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execute_process(COMMAND ${GIT_EXECUTABLE} rev-parse --git-dir
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WORKING_DIRECTORY ${path}
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RESULT_VARIABLE git_result
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OUTPUT_VARIABLE git_output
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ERROR_QUIET)
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if(git_result EQUAL 0)
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string(STRIP "${git_output}" git_output)
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get_filename_component(git_dir ${git_output} ABSOLUTE BASE_DIR ${path})
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execute_process(COMMAND ${GIT_EXECUTABLE} rev-parse HEAD
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WORKING_DIRECTORY ${path}
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RESULT_VARIABLE git_result
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OUTPUT_VARIABLE git_output)
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if(git_result EQUAL 0)
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string(STRIP "${git_output}" git_output)
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set(${revision} ${git_output} PARENT_SCOPE)
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endif()
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execute_process(COMMAND ${GIT_EXECUTABLE} rev-parse --abbrev-ref --symbolic-full-name @{upstream}
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WORKING_DIRECTORY ${path}
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RESULT_VARIABLE git_result
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OUTPUT_VARIABLE git_output
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ERROR_QUIET)
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if(git_result EQUAL 0)
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string(REPLACE "/" ";" branch ${git_output})
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list(GET branch 0 remote)
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else()
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set(remote "origin")
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endif()
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execute_process(COMMAND ${GIT_EXECUTABLE} remote get-url ${remote}
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WORKING_DIRECTORY ${path}
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RESULT_VARIABLE git_result
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OUTPUT_VARIABLE git_output
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ERROR_QUIET)
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if(git_result EQUAL 0)
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string(STRIP "${git_output}" git_output)
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set(${repository} ${git_output} PARENT_SCOPE)
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else()
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set(${repository} ${path} PARENT_SCOPE)
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endif()
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endif()
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else()
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message(WARNING "Git not found. Version cannot be determined.")
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endif()
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endfunction()
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