Always provide the 'path' for 'exec'. Corrected the usage of rpm2cpio/cpio by providing a 'cwd' for extracting archives, as 'cpio' doesn't support providing a destination directory in non-passthrough mode.
Always provide the 'path' for 'exec'. Require the checksum file to be existent for 'rm-on-error-'.
Corrected params for manifests/package.pp.