- USAGE_ERROR ((0, 0,
- _("Cannot deduce top-level directory name; "
- "please set it explicitly with --one-top-level=DIR")));
+ {
+ /* If the user wants to guarantee that everything is under one
+ directory, determine its name now and let it be created later. */
+ base = base_name (archive_name_array[0]);
+ one_top_level_dir = strip_compression_suffix (base);
+ free (base);
+
+ if (!one_top_level_dir)
+ USAGE_ERROR ((0, 0,
+ _("Cannot deduce top-level directory name; "
+ "please set it explicitly with --one-top-level=DIR")));
+ }