Fix BinaryCacheStore::registerDrvOutput

Was crashing because coercing a json document into a string is only valid if the json is a string, otherwise we need to call `.dump()`
NixOS · Dec 16, 2020 · 962b82e · 962b82e
1 parent e3ddffb
commit 962b82e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/libstore/binary-cache-store.cc b/src/libstore/binary-cache-store.cc
@@ -460,7 +460,7 @@ std::optional<const Realisation> BinaryCacheStore::queryRealisation(const DrvOut
 
 void BinaryCacheStore::registerDrvOutput(const Realisation& info) {
     auto filePath = realisationsPrefix + "/" + info.id.to_string() + ".doi";
-    upsertFile(filePath, info.toJSON(), "application/json");
+    upsertFile(filePath, info.toJSON().dump(), "application/json");
 }
 
 ref<FSAccessor> BinaryCacheStore::getFSAccessor()