#
    # NOTE: What is the fully qualified path to the directory containing the
    #       package downloader client?
    #
    variable clientDirectory

    if {![info exists clientDirectory]} then {
      set clientDirectory [file normalize [file dirname $script]]
    }

    #
    # NOTE: This is the HTTP(S) login cookie to use when downloading files
    #       from the package file server.
    #
    variable loginCookie; # DEFAULT: NONE