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importPaths(): Fix accessor support for Hydra

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This commit is contained in:
Eelco Dolstra 2016-10-07 18:13:40 +02:00
parent b0f7f9c98f
commit 629ab80022
4 changed files with 27 additions and 7 deletions
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8
src/libstore/binary-cache-store.cc
View file

@ -318,4 +318,12 @@ ref<FSAccessor> BinaryCacheStore::getFSAccessor()
std::dynamic_pointer_cast<BinaryCacheStore>(shared_from_this())));
}
void BinaryCacheStore::addPathToAccessor(ref<FSAccessor> accessor,
const Path & storePath, const ref<std::string> & data)
{
auto accessor_ = accessor.dynamic_pointer_cast<BinaryCacheStoreAccessor>();
if (accessor_)
accessor_->nars.emplace(storePath, makeNarAccessor(data));
}
}

6
src/libstore/binary-cache-store.hh
View file

@ -134,6 +134,12 @@ public:
ref<FSAccessor> getFSAccessor() override;
private:
void addPathToAccessor(ref<FSAccessor>, const Path & storePath, const ref<std::string> & data) override;
public:
void addSignatures(const Path & storePath, const StringSet & sigs) override
{ notImpl(); }

9
src/libstore/export-import.cc
View file

@ -119,13 +119,8 @@ Paths Store::importPaths(Source & source, std::shared_ptr<FSAccessor> accessor,
addToStore(info, *tee.data, false, dontCheckSigs);
// FIXME: implement accessors?
assert(!accessor);
#if 0
auto accessor_ = std::dynamic_pointer_cast<BinaryCacheStoreAccessor>(accessor);
if (accessor_)
accessor_->nars.emplace(info.path, makeNarAccessor(tee.data));
#endif
if (accessor)
addPathToAccessor(ref<FSAccessor>(accessor), info.path, tee.data);
res.push_back(info.path);
}

11
src/libstore/store-api.hh
View file

@ -461,6 +461,17 @@ public:
/* Return an object to access files in the Nix store. */
virtual ref<FSAccessor> getFSAccessor() = 0;
private:
/* Inform an accessor about the NAR contents of a store path. Used
by importPaths() to speed up subsequent access to the imported
paths when used with binary cache stores. */
virtual void addPathToAccessor(ref<FSAccessor>, const Path & storePath, const ref<std::string> & data)
{
}
public:
/* Add signatures to the specified store path. The signatures are
not verified. */
virtual void addSignatures(const Path & storePath, const StringSet & sigs) = 0;