getInputs().property(specPropertyName + ".dirPermissions", spec.getDirPermissions().map(FilePermissions::toUnixNumeric))
                .optional(true);
            getInputs().property(specPropertyName + ".filePermissions", spec.getFilePermissions().map(FilePermissions::toUnixNumeric))
                .optional(true);

        return getMode(buildRootResolver().getFilePermissions());
    }

    @Nullable
    private Integer getMode(Provider<ConfigurableFilePermissions> permissions) {
        return permissions.map(FilePermissions::toUnixNumeric).getOrNull();
    }

    @Override
    @Deprecated
    public CopyProcessingSpec setDirMode(@Nullable Integer mode) {
        DeprecationLogger.deprecateMethod(CopyProcessingSpec.class, "setDirMode(Integer)")

                                eachFile {
                                    permissions = p
                                }
                              """
        "file mode"         | "fileMode = p.toUnixNumeric()"
        "file permissions"  | "filePermissions.set(p)"
    }

    private def withSourceFiles(String permissions) {
        file("files/sub/a.txt").createFile().setPermissions(permissions)