1 files changed, 11 insertions, 5 deletions
diff --git a/src/libstore/build-result.hh b/src/libstore/build-result.hh
index 27d1a1b6c..e07296eab 100644
--- a/src/libstore/build-result.hh
+++ b/src/libstore/build-result.hh
@@ -84,11 +84,6 @@ struct BuildResult
     bool isNonDeterministic = false;
 
     /**
-     * The derivation we built or the store path we substituted.
-     */
-    DerivedPath path;
-
-    /**
      * For derivations, a mapping from the names of the wanted outputs
      * to actual paths.
      */
@@ -116,4 +111,15 @@ struct BuildResult
     }
 };
 
+/**
+ * A `BuildResult` together with its "primary key".
+ */
+struct KeyedBuildResult : BuildResult
+{
+    /**
+     * The derivation we built or the store path we substituted.
+     */
+    DerivedPath path;
+};
+
 }