lo: include source hash in bibisect commit message
lo: include source hash in bibisect commit message

vmiklos/vmexam,vmiklos/vmexam,vmiklos/vmexam,vmiklos/vmexam,vmiklos/vmexam,vmiklos/vmexam,vmiklos/vmexam,vmiklos/vmexam,vmiklos/vmexam,vmiklos/vmexam,vmiklos/vmexam,vmiklos/vmexam,vmiklos/vmexam,vmiklos/vmexam