$ ./office --help
office is a command that exposes Changkun's office status to the
public. The status can be fetched via: https://changkun.de/x/working?
Version: 0.1.0
GoVersion: devel go1.17-c95464f0ea Sun Jun 27 05:06:30 2021 +0000
Command line usage:
$ office [-vacation <time>]
options:
office -vacation
Vacation mode
examples:
office
$ curl -L https://changkun.de/s/working
Yes!
$ curl -L https://changkun.de/s/working
No, he left 10s ago.
office -vacation 2021-08-11
$ curl -L https://changkun.de/s/working
No, he is on vacation and will return on 11 Aug.