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Restore the evaluation cache

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This commit is contained in:
Eelco Dolstra 2022-07-22 15:19:30 +02:00
parent c73a7584fb
commit 3d27ce36d0
6 changed files with 41 additions and 17 deletions
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7
src/libfetchers/fetchers.hh
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@ -104,6 +104,10 @@ public:
std::optional<uint64_t> getRevCount() const;
std::optional<time_t> getLastModified() const;
// For locked inputs, returns a string that uniquely specifies the
// content of the input (typically a commit hash or content hash).
std::optional<std::string> getFingerprint(ref<Store> store) const;
private:
void checkLocked(Store & store, const StorePath & storePath, Input & input) const;
@ -156,6 +160,9 @@ struct InputScheme
virtual bool isRelative(const Input & input) const
{ return false; }
virtual std::optional<std::string> getFingerprint(ref<Store> store, const Input & input) const
{ return std::nullopt; }
};
void registerInputScheme(std::shared_ptr<InputScheme> && fetcher);