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Extremely unpolished tool for garbage-collecting flat-file Nix binary caches.

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lheckemann/cache-gc

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Nix binary cache garbage collector

Hacked-together approach to collecting garbage from local flat-file binary caches.

Build the package, and run bin/cache-gc with the path to the binary cache. It will compute the closures of all the paths in the cache, and compute which paths can be deleted (are not referenced by any paths newer than --days, 90 by default):

result/bin/cache-gc --days 30 /var/lib/hydra/cache

For automated use, --delete can be passed, which does not require confirmation before actually deleting files. Use with care!

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Extremely unpolished tool for garbage-collecting flat-file Nix binary caches.

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