1 files changed, 13 insertions, 3 deletions
diff --git a/src/nix-worker/nix-worker.cc b/src/nix-worker/nix-worker.cc
index bd2209c6d756..a41fb2e154af 100644
--- a/src/nix-worker/nix-worker.cc
+++ b/src/nix-worker/nix-worker.cc
@@ -313,14 +313,16 @@ static void performOp(unsigned int clientVersion,
     }
 
     case wopQueryReferences:
-    case wopQueryReferrers: {
+    case wopQueryReferrers:
+    case wopQueryDerivationOutputs: {
         Path path = readStorePath(from);
         startWork();
         PathSet paths;
         if (op == wopQueryReferences)
             store->queryReferences(path, paths);
-        else
+        else if (op == wopQueryReferrers)
             store->queryReferrers(path, paths);
+        else paths = store->queryDerivationOutputs(path);
         stopWork();
         writeStringSet(paths, to);
         break;
@@ -518,6 +520,14 @@ static void performOp(unsigned int clientVersion,
         break;
     }
             
+    case wopQueryValidPaths: {
+        startWork();
+        PathSet paths = store->queryValidPaths();
+        stopWork();
+        writeStringSet(paths, to);
+        break;
+    }
+
     default:
         throw Error(format("invalid operation %1%") % op);
     }
@@ -765,7 +775,7 @@ void run(Strings args)
 
 void printHelp()
 {
-    std::cout << string((char *) helpText, sizeof helpText);
+    std::cout << string((char *) helpText);
 }