// "the_repository" simple cases @@ @@ ( - read_cache_unmerged + repo_read_index_unmerged ) ( + the_repository, ...) // "the_index" simple cases @@ @@ ( - is_cache_unborn + is_index_unborn | - unmerged_cache + unmerged_index | - rename_cache_entry_at + rename_index_entry_at | - chmod_cache_entry + chmod_index_entry | - cache_file_exists + index_file_exists | - cache_name_is_other + index_name_is_other | - unmerge_cache_entry_at + unmerge_index_entry_at | - add_to_cache + add_to_index | - add_file_to_cache + add_file_to_index | - add_cache_entry + add_index_entry | - remove_file_from_cache + remove_file_from_index | - ce_match_stat + ie_match_stat | - ce_modified + ie_modified | - resolve_undo_clear + resolve_undo_clear_index ) ( + &the_index, ...)