The converters/rpm2cpio port
rpm2cpio-1.4p0 – convert .rpm files to cpio format
Convert .rpm files to cpio format.
Why does the world need another rpm2cpio? because the existing one
won't build unless you have half a ton of things that aren't really
required for it, since it uses the same library used to extract RPM's.
This version is just a tiny wrapper around bsdtar.