1 files changed, 4 insertions, 0 deletions
diff --git a/src/libstore/derivations.hh b/src/libstore/derivations.hh
index 4e5985fab..3d8f19aef 100644
--- a/src/libstore/derivations.hh
+++ b/src/libstore/derivations.hh
@@ -138,10 +138,14 @@ struct Derivation : BasicDerivation
 
        2. Input placeholders are replaced with realized input store paths. */
     std::optional<BasicDerivation> tryResolve(Store & store);
+    static std::optional<BasicDerivation> tryResolve(Store & store, const StorePath & drvPath);
 
     Derivation() = default;
     Derivation(const BasicDerivation & bd) : BasicDerivation(bd) { }
     Derivation(BasicDerivation && bd) : BasicDerivation(std::move(bd)) { }
+
+private:
+    std::optional<BasicDerivation> tryResolveUncached(Store & store);
 };