Ask HN: How many of us here use cron jobs, and how do you version control them?

For version controlling cron jobs scheduled on our "jobs servers", I wrote another job that dumps all the cron entries periodically to a git repo using `crontab -l > /path/to/backup; git commit; git push`

This seems a bit hacky, but it works. This one time, one of the people in our team did a `crontab -r` instead of a `crontab -e` and we could get back the entire set of cron entries within seconds, thanks to the periodic backups. Any better solutions that come to mind? Maybe something too obvious?