error [appendArgs \ 
            "could not stage file \"" $fileName \ 
            "\": OpenPGP signing failed"] 
      } 
 
      if {[file extension $checkoutFileName] eq ".eagle"} then { 
      set checkoutFileExtension [file extension $checkoutFileName] 
 
      if {$checkoutFileExtension eq ".eagle" || \ 
          $checkoutFileExtension eq ".eeagle"} then { 
        if {![::PackageRepository::createHarpyCertificate \ 
            $checkoutFileName]} then { 
          error [appendArgs \ 
              "could not stage file \"" $fileName \ 
              "\": Harpy signing failed"]