sleep(1), but with Go duration parsing (1m, 2h3m2s) OR explicit time to sleep until (13:04, 2016-11-18 00:00:00) and a progress bar.
$ gosleep --help
Usage:
gosleep --for <duration> OR --until <time>
Application Options:
--for
--until
Help Options:
-h, --help Show this help message
$ gosleep --for 10s
10s / 10s [███████████████████████████████████████████████████████████] 100.0%
$ date
Tue Dec 13 14:38:20 PST 2016
$ gosleep --until 14:38:20
error: requested sleep time in the past: -8.415878269s
$ gosleep --until 14:39
19s / 19s [███████████████████████████████████████████████████████████] 100.0%
$ gosleep --until '2016-11-17 00:00:00'
error: requested sleep time in the past: -638h39m3.910603384s
$ gosleep --until '2017-01-01 00:00:00'
^C8s / 441h20m45s [ ] 0.0%
$ gosleep --until '2016-12-13 17:00'
22s / 2h19m6s [▏ ] 0.3% 
