Associate a batch command script to your upgrade task and edit the UserCmd.cmd file to run and compare results. For example
::---------------------------------------------------------------- :POST-MAKE ::---------------------------------------------------------------- echo USER COMMAND: %1 [%JobId%] :: Enter post-build processing here "%NetProjFolder%\bin\%SrcName%.exe" echo file-report layout:side-by-side ^& > diff.bc echo options:display-mismatches,line-numbers ^& >> diff.bc echo output-to:%%3 %%1 %%2 >> diff.bc "c:\Program Files (x86)\Beyond Compare 3\BComp.exe" @"diff.bc" "%SrcFolder%\OverloadArg.log" "%NetProjFolder%\bin\OverloadArg.log" %SrcName%_test.log type %SrcName%_test.log