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20 lines
786 B
Text
20 lines
786 B
Text
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pkg
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CLIENT DEDUCTION AND SELF-REPAIR
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In the case of a partially installed system, a system installed by a
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previous packaging regime, or a system that has been somehow damaged,
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it is possible for the pkg system to identify the current system's
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state via a deductive process.
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That is, the client can examine an image's contents and determine, by
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interrogation, the precise version of each package installed in the
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image. If a specific file is missing, then the client can move the
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package from (INSTALLED, .) to (INSTALLED, damaged) and record the
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operation it would take to restore the package's state (via restoring
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the contents).
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XXX Most efficient algorithm for the minimum set of queries to
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identify the specific version of a package an image contains?
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