message: don't update logs automatically
diff: @@ -560,7 +560,7 @@ proc run_regression { } {
  set fid 0
  - if {($passstatus == "PASS") || ($UPDATE == 1)} {
  + if {$UPDATE == 1} {
  set fid [open "$testname.log" "w"]
  } else {
  set fid [open "$REGRESSION_PATH/tests/$test/${testname}_diff.log" "w"]
  