Fix bug: show "0 sec ago" if generated at future datetime

noshow.sh

 #!/usr/bin/env bash
 #
 # ==========================================================================
-# noshow.sh -- version 0.0.99.20230928.3
+# noshow.sh -- version 0.0.99.20230929
 #
 # written by cleemy desu wayo / Licensed under CC0 1.0
 #
@@ -26,7 +26,7 @@ convert_to_ncr() {
  | tr -d '\012'
 }
 
-software_info='noshow.sh version 0.0.99.20230928.3'
+software_info='noshow.sh version 0.0.99.20230929'
 
 # get current time
 now_str=$(date "+%Y-%m-%d %H:%M:%S %Z" 2> /dev/null)
@@ -146,7 +146,9 @@ function overwrite_time_diff() {
  const time_diff_day = Math.trunc(time_diff_hour / 24);
 
  let time_diff_str = '';
- if (time_diff_day >= 2) {
+ if (time_diff_sec < 0) {
+ time_diff_str = '(? sec ago)'; // generated at future datetime
+ } else if (time_diff_day >= 2) {
  time_diff_str = '(' + time_diff_day + ' days ago)';
  } else if (time_diff_day === 1) {
  time_diff_str = '(1 day ' + (time_diff_hour - 24) + ' hour ago)';

[cleemy desu wayo]

I wrote a wrong commit message.
"0 sec ago" instead of "? sec ago" is correct.

[cleemy desu wayo]

I wrote a wrong english sentence. I gave DeepL-sensei too much credit. "? sec ago" instead of "0 sec ago" is correct.