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93 lines
3.3 KiB
CMake
93 lines
3.3 KiB
CMake
# 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(add_version_info_from_vcs VERS)
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SET(SOURCE_DIR ${ARGV1})
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if("${SOURCE_DIR}" STREQUAL "")
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SET(SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
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endif()
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string(REPLACE "svn" "" result "${${VERS}}")
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if( EXISTS "${SOURCE_DIR}/.svn" )
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set(result "${result}svn")
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# FindSubversion does not work with symlinks. See PR 8437
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if( NOT IS_SYMLINK "${SOURCE_DIR}" )
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find_package(Subversion)
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endif()
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if( Subversion_FOUND )
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subversion_wc_info( ${SOURCE_DIR} Project )
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if( Project_WC_REVISION )
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set(SVN_REVISION ${Project_WC_REVISION} PARENT_SCOPE)
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set(result "${result}-r${Project_WC_REVISION}")
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endif()
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if( Project_WC_URL )
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set(LLVM_REPOSITORY ${Project_WC_URL} PARENT_SCOPE)
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endif()
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endif()
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else()
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find_program(git_executable NAMES git git.exe git.cmd)
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if( git_executable )
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# Run from a subdirectory to force git to print an absoute path.
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execute_process(COMMAND ${git_executable} rev-parse --git-dir
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WORKING_DIRECTORY ${SOURCE_DIR}/cmake
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RESULT_VARIABLE git_result
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OUTPUT_VARIABLE git_dir
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ERROR_QUIET)
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if(git_result EQUAL 0)
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# Try to get a ref-id
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string(STRIP "${git_dir}" git_dir)
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set(result "${result}git")
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if( EXISTS ${git_dir}/svn )
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# Get the repository URL
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execute_process(COMMAND
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${git_executable} svn info
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WORKING_DIRECTORY ${SOURCE_DIR}
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TIMEOUT 5
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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(REGEX MATCH "URL: ([^ \n]*)" svn_url ${git_output})
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if(svn_url)
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set(LLVM_REPOSITORY ${CMAKE_MATCH_1} PARENT_SCOPE)
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endif()
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endif()
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# Get the svn revision number for this git commit if one exists.
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execute_process(COMMAND ${git_executable} svn find-rev HEAD
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WORKING_DIRECTORY ${SOURCE_DIR}
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TIMEOUT 5
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RESULT_VARIABLE git_result
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OUTPUT_VARIABLE git_head_svn_rev_number
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OUTPUT_STRIP_TRAILING_WHITESPACE)
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if( git_result EQUAL 0 AND git_output)
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set(SVN_REVISION ${git_head_svn_rev_number} PARENT_SCOPE)
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set(git_svn_rev "-svn-${git_head_svn_rev_number}")
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else()
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set(git_svn_rev "")
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endif()
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endif()
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# Get the git ref id
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execute_process(COMMAND
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${git_executable} rev-parse --short HEAD
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WORKING_DIRECTORY ${SOURCE_DIR}
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TIMEOUT 5
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RESULT_VARIABLE git_result
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OUTPUT_VARIABLE git_ref_id
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OUTPUT_STRIP_TRAILING_WHITESPACE)
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if( git_result EQUAL 0 )
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set(GIT_COMMIT ${git_ref_id} PARENT_SCOPE)
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set(result "${result}${git_svn_rev}-${git_ref_id}")
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else()
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set(result "${result}${git_svn_rev}")
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endif()
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endif()
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endif()
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endif()
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set(${VERS} ${result} PARENT_SCOPE)
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endfunction(add_version_info_from_vcs)
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