1 files changed, 18 insertions, 0 deletions
diff --git a/src/libutil/logging.cc b/src/libutil/logging.cc
index fa5c84a27..98f500a65 100644
--- a/src/libutil/logging.cc
+++ b/src/libutil/logging.cc
@@ -3,6 +3,7 @@
 
 #include <atomic>
 #include <nlohmann/json.hpp>
+#include <sstream>
 
 namespace nix {
 
@@ -57,6 +58,14 @@ public:
         writeToStderr(prefix + filterANSIEscapes(fs.s, !tty) + "\n");
     }
 
+    void logEI(const ErrorInfo & ei) override
+    {
+        std::stringstream oss; 
+        oss << ei;
+
+        log(ei.level, oss.str());
+    }
+
     void startActivity(ActivityId act, Verbosity lvl, ActivityType type,
         const std::string & s, const Fields & fields, ActivityId parent)
         override
@@ -135,6 +144,15 @@ struct JSONLogger : Logger
         write(json);
     }
 
+    void logEI(const ErrorInfo & ei) override
+    {
+        // nlohmann::json json;
+        // json["action"] = "msg";
+        // json["level"] = lvl;
+        // json["msg"] = fs.s;
+        // write(json);
+    }
+
     void startActivity(ActivityId act, Verbosity lvl, ActivityType type,
         const std::string & s, const Fields & fields, ActivityId parent) override
     {