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两个状态,“现在present”和“未来future” #4

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Zacharia2 opened this issue Mar 8, 2023 · 0 comments
Open

两个状态,“现在present”和“未来future” #4

Zacharia2 opened this issue Mar 8, 2023 · 0 comments

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@Zacharia2
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当发现bug或安全漏洞时,即使是不可变的系统也需要更新。VanillaOS如何管理这些更新呢?它使用一种叫做ABRoot的东西。

ABRoot维护两个系统状态,“现在present”和“未来future”。假设为系统打包了一个新内核。当用户安装更新时,这个新内核将被添加到“未来”状态。安装后系统重新启动时,“未来”状态变为“现在”状态,而未来的更新将添加到新的“未来”状态。

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