explainTarError (PortabilityError Tar.NonPortableFileType) =
    "The package tarball contains a non-portable entry type. "
 ++ "For portability, package tarballs should use the 'ustar' format "
 ++ "and only contain normal files, directories and file links."
explainTarError (PortabilityError Tar.NonPortableFileType) =
    "The package tarball contains a non-portable entry type. "
 ++ "For portability, package tarballs should use the 'ustar' format "
 ++ "and only contain normal files, directories and file links."
explainTarError (PortabilityError Tar.NonPortableFileType) =
    "The package tarball contains a non-portable entry type. "
 ++ "For portability, package tarballs should use the 'ustar' format "
 ++ "and only contain normal files, directories and file links."