Required files
fileutils
find
stringio
yaml
zlib
rubygems/security
rubygems/specification
rubygems/package/f_sync_dir
rubygems/package/tar_header
rubygems/package/tar_input
rubygems/package/tar_output
rubygems/package/tar_reader
rubygems/package/tar_reader/entry
rubygems/package/tar_writer