def abbreviate(spec)
    spec.files = []
    spec.test_files = []
    spec.rdoc_options = []
    spec.extra_rdoc_files = []
    spec.cert_chain = []
    spec
  end
#
Abbreviate the spec for downloading.  Abbreviated specs are only used for
searching, downloading and related activities and do not need deployment
specific information (e.g. list of files).  So we abbreviate the spec,
making it much smaller for quicker downloads.