Function stack_compact_locked

reftable/stack.c:1066–1130

}

static int stack_compact_locked(struct reftable_stack *st,
				size_t first, size_t last,
				struct reftable_log_expiry_config *config,
				struct reftable_tmpfile *tab_file_out)
{
	struct reftable_buf next_name = REFTABLE_BUF_INIT;
	struct reftable_buf tab_file_path = REFTABLE_BUF_INIT;
	struct reftable_writer *wr = NULL;
	struct fd_writer writer=  {
		.opts = &st->opts,
	};
	struct reftable_tmpfile tab_file = REFTABLE_TMPFILE_INIT;
	int err = 0;

	err = format_name(&next_name, reftable_table_min_update_index(st->tables[first]),
			  reftable_table_max_update_index(st->tables[last]));
	if (err < 0)
		goto done;

	err = stack_filename(&tab_file_path, st, next_name.buf);
	if (err < 0)
		goto done;

	err = reftable_buf_addstr(&tab_file_path, ".temp.XXXXXX");
	if (err < 0)
		goto done;

	err = tmpfile_from_pattern(&tab_file, tab_file_path.buf);
	if (err < 0)
		goto done;

	if (st->opts.default_permissions &&
	    chmod(tab_file.path, st->opts.default_permissions) < 0) {
		err = REFTABLE_IO_ERROR;
		goto done;
	}

	writer.fd = tab_file.fd;
	err = reftable_writer_new(&wr, fd_writer_write, fd_writer_flush,
				  &writer, &st->opts);
	if (err < 0)
		goto done;

	err = stack_write_compact(st, wr, first, last, config);
	if (err < 0)
		goto done;

	err = reftable_writer_close(wr);
	if (err < 0)
		goto done;

	err = tmpfile_close(&tab_file);
	if (err < 0)
		goto done;

	*tab_file_out = tab_file;
	tab_file = REFTABLE_TMPFILE_INIT;