throw new ThemeException("Theme name is empty: " + artifact);
        }
        return themeName;
    }

    protected void closeQuietly(final Path dir) {
        if (Files.notExists(dir)) {
            if (logger.isDebugEnabled()) {
                logger.debug("{} does not exists.", dir);
            }
            return;
        }

		Vars:         []interface{}{sql.Named("name1", "jinzhu"), sql.Named("name2", "jinzhu2")},
		Result:       "@@test AND name1 = ? AND name2 = ? AND name3 = ? @notexist",
		ExpectedVars: []interface{}{"jinzhu", "jinzhu2", "jinzhu"},
	}, {
		SQL:          "@@test AND name1 = @Name1 AND name2 = @Name2 AND name3 = @Name1 @notexist",

		if err = osMkdirAll(dirPath, mode, baseDir); err != nil {
			// Retry only for the first retryable error.
			if osIsNotExist(err) && i == 0 {
				i++
				// Determine if os.NotExist error is because of
				// baseDir's parent being present, retry it once such
				// that the MkdirAll is retried once for the parent
				// of dirPath.
				// Because it is worth a retry to skip a different