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pathInfoCache: Use the entire base name as the cache key

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This fixes a bug in the garbage collector where if a path
/nix/store/abcd-foo is valid, but we do a
isValidPath("/nix/store/abcd-foo.lock") first, then a negative entry
for /nix/store/abcd is added to pathInfoCache, so /nix/store/abcd-foo
is subsequently considered invalid and deleted.
This commit is contained in:
Eelco Dolstra 2021-10-14 13:28:22 +02:00
parent eab934cb2a
commit 0be8cc1466
5 changed files with 27 additions and 23 deletions
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4
src/libstore/local-store.cc
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@ -834,7 +834,7 @@ uint64_t LocalStore::addValidPath(State & state,
{
auto state_(Store::state.lock());
state_->pathInfoCache.upsert(std::string(info.path.hashPart()),
state_->pathInfoCache.upsert(std::string(info.path.to_string()),
PathInfoCacheValue{ .value = std::make_shared<const ValidPathInfo>(info) });
}
@ -1207,7 +1207,7 @@ void LocalStore::invalidatePath(State & state, const StorePath & path)
{
auto state_(Store::state.lock());
state_->pathInfoCache.erase(std::string(path.hashPart()));
state_->pathInfoCache.erase(std::string(path.to_string()));
}
}