2 files changed, 6 insertions, 1 deletions
diff --git a/src/libstore/remote-store.cc b/src/libstore/remote-store.cc
index 07cb62dc80a4..b438c074fb51 100644
--- a/src/libstore/remote-store.cc
+++ b/src/libstore/remote-store.cc
@@ -296,7 +296,11 @@ Path RemoteStore::queryDeriver(const Path & path)
 
 PathSet RemoteStore::queryDerivationOutputs(const Path & path)
 {
-    throw Error("not yet implemented");
+    openConnection();
+    writeInt(wopQueryDerivationOutputs, to);
+    writeString(path, to);
+    processStderr();
+    return readStorePaths(from);
 }
 
 
diff --git a/src/libstore/worker-protocol.hh b/src/libstore/worker-protocol.hh
index e44c1e36b56f..9e36aab0f0b5 100644
--- a/src/libstore/worker-protocol.hh
+++ b/src/libstore/worker-protocol.hh
@@ -34,6 +34,7 @@ typedef enum {
     wopSetOptions = 19,
     wopCollectGarbage = 20,
     wopQuerySubstitutablePathInfo = 21,
+    wopQueryDerivationOutputs = 22,
 } WorkerOp;