+ string(LENGTH "${git_svn_rev}" rev_length)
+ math(EXPR rev_length "${rev_length}-1")
+ string(SUBSTRING "${git_svn_rev}" 1 ${rev_length} git_svn_rev_number)
+ set(SVN_REVISION ${git_svn_rev_number} PARENT_SCOPE)
+ set(git_svn_rev "-svn-${git_svn_rev}")
+
+ # Determine if the HEAD points directly at a subversion revision.
+ execute_process(COMMAND ${git_executable} svn find-rev HEAD
+ WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+ TIMEOUT 5
+ RESULT_VARIABLE git_result
+ OUTPUT_VARIABLE git_output)
+ if( git_result EQUAL 0 )
+ string(STRIP "${git_output}" git_head_svn_rev_number)
+ if( git_head_svn_rev_number EQUAL git_svn_rev_number )
+ set(is_git_svn_rev_exact true)
+ endif()
+ endif()
+ else()
+ set(git_svn_rev "")
+ endif()
+ execute_process(COMMAND
+ ${git_executable} rev-parse --short HEAD
+ WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+ TIMEOUT 5
+ RESULT_VARIABLE git_result
+ OUTPUT_VARIABLE git_output)
+ if( git_result EQUAL 0 AND NOT is_git_svn_rev_exact )
+ string(STRIP "${git_output}" git_ref_id)
+ set(GIT_COMMIT ${git_ref_id} PARENT_SCOPE)
+ set(result "${result}${git_svn_rev}-${git_ref_id}")
+ else()
+ set(result "${result}${git_svn_rev}")