How to set system properties for runMain on command line?

Question

How can I set a system property for runMain upon executing it from command line on Windows?

I\'d like to be able to run the following command:

Answer 1

This works:

sbt '; set javaOptions += "-Dconfig.resource=../application.conf" ; runMain akka.Main com.my.main.Actor'

If this isn't a "friendly" enough syntax, wrap it in a little shell script.

(Note this assumes you have fork set to true for running. If you don't, see akauppi's comment.)