def init_gemspecs
    Gem::Specification.sort { |a, b|
      names = a.name <=> b.name
      next names if names.nonzero?
      b.version <=> a.version
    }
  end
#
Return a list of all installed gemspecs, sorted by alphabetical order and
in reverse version order.  (bar-2, bar-1, foo-2)