- file_sync_after_first=$(mktemp --tmpdir -u "tmp.${FUNCNAME[0]}_sync_after_first.XXXXXX")
- file_sync_before_last=$(mktemp --tmpdir -u "tmp.${FUNCNAME[0]}_sync_before_last.XXXXXX")
+ file_sync_after_first=$(mktemp -u -t "tmp.${FUNCNAME[0]}_sync_after_first.XXXXXX")
+ file_sync_before_last=$(mktemp -u -t "tmp.${FUNCNAME[0]}_sync_before_last.XXXXXX")