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Fix deletion test
Lower layer references are ignored for deleting just in the upper layer.
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19c43c5d78
commit
07b34edc44
4 changed files with 30 additions and 1 deletions
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@ -741,7 +741,7 @@ void LocalStore::collectGarbage(const GCOptions & options, GCResults & results)
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auto i = referrersCache.find(*path);
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if (i == referrersCache.end()) {
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StorePathSet referrers;
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queryReferrers(*path, referrers);
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queryGCReferrers(*path, referrers);
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referrersCache.emplace(*path, std::move(referrers));
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i = referrersCache.find(*path);
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}
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@ -138,6 +138,12 @@ void LocalOverlayStore::queryReferrers(const StorePath & path, StorePathSet & re
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}
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void LocalOverlayStore::queryGCReferrers(const StorePath & path, StorePathSet & referrers)
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{
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LocalStore::queryReferrers(path, referrers);
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}
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StorePathSet LocalOverlayStore::queryValidDerivers(const StorePath & path)
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{
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auto res = LocalStore::queryValidDerivers(path);
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@ -188,6 +194,7 @@ void LocalOverlayStore::deleteGCPath(const Path & path, uint64_t & bytesFreed)
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}
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}
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void LocalOverlayStore::optimiseStore()
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{
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Activity act(*logger, actOptimiseStore);
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@ -216,6 +223,7 @@ Path LocalOverlayStore::toRealPathForHardLink(const StorePath & path)
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: Store::toRealPath(path);
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}
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static RegisterStoreImplementation<LocalOverlayStore, LocalOverlayStoreConfig> regLocalOverlayStore;
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}
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@ -115,7 +115,16 @@ private:
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void optimiseStore() override;
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/**
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* For lower-store paths, we used the lower store location. This avoids the
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* wasteful "copying up" that would otherwise happen.
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*/
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Path toRealPathForHardLink(const StorePath & storePath) override;
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/**
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* Deletion only effects the upper layer, so we ignore lower-layer referrers.
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*/
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void queryGCReferrers(const StorePath & path, StorePathSet & referrers) override;
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};
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}
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@ -230,6 +230,18 @@ public:
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void collectGarbage(const GCOptions & options, GCResults & results) override;
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/**
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* Called by `collectGarbage` to trace in reverse.
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*
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* Using this rather than `queryReferrers` directly allows us to
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* fine-tune which referrers we consider for garbage collection;
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* some store implementations take advantage of this.
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*/
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virtual void queryGCReferrers(const StorePath & path, StorePathSet & referrers)
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{
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return queryReferrers(path, referrers);
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}
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/**
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* Called by `collectGarbage` to recursively delete a path.
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* The default implementation simply calls `deletePath`, but it can be
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