#       removed prior to signing the (script?) file.
  #
  if {$shouldEmbed && \
      ![info exists no(removeEmbeddedCertificate)]} then {
    removeEmbeddedCertificate $fileName
  }

  #
  # NOTE: By default, when a ".harpy" file itself is passed to this
  #       signing tool, treat it specially, i.e. simply update its
  #       timestamp and (re-)sign it.
  #
  if {![info exists harpyIsSpecial]} then {
    set harpyIsSpecial true
  }

  #
  # NOTE: If the file is an XML file, assume it is a license
  #       certificate that we need to manually re-sign.
  #
  if {$harpyIsSpecial && [file extension $fileName] eq ".harpy"} then {
    #
    # NOTE: Set the file type for error messages.
    #
    set fileType "certificate file"

    #
    # NOTE: In this case, the certificate file to export is the same