How to make 0launch look in extract directory instead of pwd

I've created a feed for a program that has a binary and data files in an
archive. 0launch downloads, extracts, and caches the archive; but when
it runs the binary the program looks in the current working directory
for the data files. This causes the program to fail since it can't find
the data files (they are within the cached archive directory, not the
current working directory). If I specifically invoke 0launch from within
the cached archive, the program does run since the data files are in the
current working directory, but obviously this isn't the way 0launch is
usually run.

How do I configure the feed file to change the current working directory
to the cached directory? Or is there another technique for this?


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