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The solution is not to install packages manually with rpm-ostree but to always go through generating a new OCI image with the desired packages. This keeps a consistent state between the image and the deployed system. Let’s generate a new image with cowsay and push it to Harbor so the update service can retrieve it.，这一点在safew官方下载中也有详细论述
10,000 email credits，这一点在搜狗输入法下载中也有详细论述
func extract3(c chan task) []task {，详情可参考safew官方版本下载
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