1 files changed, 9 insertions, 3 deletions
diff --git a/src/libstore/derivations.hh b/src/libstore/derivations.hh
index af198a767..8456b29e7 100644
--- a/src/libstore/derivations.hh
+++ b/src/libstore/derivations.hh
@@ -13,6 +13,7 @@
 
 namespace nix {
 
+class Store;
 
 /* Abstract syntax of derivations. */
 
@@ -82,6 +83,11 @@ struct DerivationOutput : _DerivationOutputRaw
     inline const Raw & raw() const {
         return static_cast<const Raw &>(*this);
     }
+
+    nlohmann::json toJSON(
+        const Store & store,
+        std::string_view drvName,
+        std::string_view outputName) const;
 };
 
 typedef std::map<std::string, DerivationOutput> DerivationOutputs;
@@ -209,6 +215,8 @@ struct Derivation : BasicDerivation
     Derivation() = default;
     Derivation(const BasicDerivation & bd) : BasicDerivation(bd) { }
     Derivation(BasicDerivation && bd) : BasicDerivation(std::move(bd)) { }
+
+    nlohmann::json toJSON(const Store & store) const;
 };
 
 
@@ -224,7 +232,7 @@ StorePath writeDerivation(Store & store,
 Derivation parseDerivation(const Store & store, std::string && s, std::string_view name);
 
 // FIXME: remove
-bool isDerivation(const std::string & fileName);
+bool isDerivation(std::string_view fileName);
 
 /* Calculate the name that will be used for the store path for this
    output.
@@ -294,8 +302,6 @@ typedef std::map<StorePath, DrvHash> DrvHashes;
 // FIXME: global, though at least thread-safe.
 extern Sync<DrvHashes> drvHashes;
 
-bool wantOutput(const std::string & output, const std::set<std::string> & wanted);
-
 struct Source;
 struct Sink;