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serpent-os / moss

The safe, fast and sane package manager for Linux
https://serpentos.com
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Introduce conflicts to moss and boulder #248

Closed GZGavinZhao closed 3 weeks ago

GZGavinZhao commented 1 month ago

Part 1 of #94. This PR allows moss and boulder to emit packages with conflicts and store conflicts in the meta database.

Conflicts is being interpreted as "providers that cannot coexist with a package". In other words, if provider foo is a conflict of package bar, then any package that provides foo cannot be co-installed with bar. Therefore, a conflict is the exact same as a provider except that it is used/interpreted in a different way.

moss support is complete but needs testing. Testing is contingent on boulder being able to emit packages with conflicts, so I'm implementing that right now. I cannot get the D-boulder to build a package properly, it just says: Support for boulder is implemented and a simple test for storing/retrieving conflicts from the meta database is added.

GZGavinZhao commented 3 weeks ago

Looking at how run_deps is collected in boulder/src/package.rs, I may be missing a few details on handling conflicts for subpackages, but otherwise this PR should be good for review.