}
    } else {
      return false
    }
  }

  #
  # NOTE: This procedure attempts to verify the OpenPGP signature file that
  #       is associated with the specified file.  The forcePgp parameter is
  #       used to force verification attempts to be performed even when the
  #       file does not appear to be an OpenPGP signature file.
  # NOTE: This procedure attempts to verify the specified OpenPGP signature
  #       file.  If the forcePgp parameter is non-zero verification will be
  #       attempted even when the specified file does not appear to be an
  #       OpenPGP signature file.  This procedure may raise script errors.
  #
  proc maybeVerifyOpenPgpSignature { fileName forcePgp } {
    #
    # NOTE: Is this temporary package file actually just an OpenPGP
    #       signature file?  If so, skip it.
    #
    if {$forcePgp || \