[systemd-devel] Accpetance of Environment Variables in Attributes

[Roman Odaisky]

> > If you want a shell, use a shell.
> Given the dominance of systemd, this is only in parts realistic.

A shell, or even an entire program in a language of your choice, can determine 
the parameters by some logic then invoke systemd-run. Voilà, you get as much 
flexibility as you want plus all the functionality of systemd.