sympl-all-crontabs.c should be rewritten in something more portable
* A wrapper script which will do some simple permission and file-presence
* checks, then launch the sympl-crontab command for each domain which
* is present.
*
* The way this script works is pretty simple:
*
* 1. Iterate over every entry beneath /srv
* - Ignoring dotfiles.
* - Ignoring entries that do not contain /srv/$name/config/crontab
*
* 2. Once a valid entry has been found ensure that the owner of
* /srv/$name and /srv/$name/config/crontab matches.
*
* 3. Invoke our ruby wrapper as the appropriate user, via /bin/su.
This should really be rewritten in something more portable (to ease install on non-amd64 platforms), or simply use bash instead as there's nothing particularly fancy here.