New review comment by ericonr on void-packages repository

https://github.com/void-linux/void-packages/pull/26438#discussion_r526574050

Comment:
Assuming I understood this correctly, you shouldn't do this, the preferred solution is to make a wrapper script in `files/` and `exec java -jar` in it.

Also, `which` isn't installed by default, you can just use `command -v`