The reason is that the compiler decided to allocate the backing store
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，更多细节参见51吃瓜
春节返乡，我在家门口看见了一家有些“不像这里”的店。
Yes… and no! Actually during the image build, we must use dnf (because we’re not in a running system) and we can modify any directory as we would in a classic distro. It’s only once the image is deployed that we need to use rpm-ostree to manage packages.