if !shouldExtract(e, prefix) {
			continue
		}
		v := e[metaPrefixLen:]
		if !isEnvVar(v) {
			continue
		}
		metaKey, metaVal := parseEnvVar(v)
		set(meta, metaKey, metaVal)
	}
}

func shouldExtract(envVar, prefix string) bool {
	return strings.HasPrefix(envVar, prefix)
}

func isEnvVar(str string) bool {
	return strings.Contains(str, "=")
}