Misc changes from the flakes branch

1 files changed, 5 insertions, 1 deletions

diff --git a/src/libstore/parsed-derivations.cc b/src/libstore/parsed-derivations.cc
index d0f289a0f..45c033c66 100644
--- a/src/libstore/parsed-derivations.cc
+++ b/src/libstore/parsed-derivations.cc
@@ -1,5 +1,7 @@
 #include "parsed-derivations.hh"
 
+#include <nlohmann/json.hpp>
+
 namespace nix {
 
 ParsedDerivation::ParsedDerivation(StorePath && drvPath, BasicDerivation & drv)
@@ -9,13 +11,15 @@ ParsedDerivation::ParsedDerivation(StorePath && drvPath, BasicDerivation & drv)
     auto jsonAttr = drv.env.find("__json");
     if (jsonAttr != drv.env.end()) {
         try {
-            structuredAttrs = nlohmann::json::parse(jsonAttr->second);
+            structuredAttrs = std::make_unique<nlohmann::json>(nlohmann::json::parse(jsonAttr->second));
         } catch (std::exception & e) {
             throw Error("cannot process __json attribute of '%s': %s", drvPath.to_string(), e.what());
         }
     }
 }
 
+ParsedDerivation::~ParsedDerivation() { }
+
 std::optional<std::string> ParsedDerivation::getStringAttr(const std::string & name) const
 {
     if (structuredAttrs) {