2 files changed, 14 insertions, 1 deletions
diff --git a/src/libstore/remote-store.cc b/src/libstore/remote-store.cc
index 517c886b4f9b..08969a623d14 100644
--- a/src/libstore/remote-store.cc
+++ b/src/libstore/remote-store.cc
@@ -249,7 +249,19 @@ bool RemoteStore::querySubstitutablePathInfo(const Path & path,
 
 ValidPathInfo RemoteStore::queryPathInfo(const Path & path)
 {
-    throw Error("not implemented");
+    openConnection();
+    writeInt(wopQueryPathInfo, to);
+    writeString(path, to);
+    processStderr();
+    ValidPathInfo info;
+    info.path = path;
+    info.deriver = readString(from);
+    if (info.deriver != "") assertStorePath(info.deriver);
+    info.hash = parseHash(htSHA256, readString(from));
+    info.references = readStorePaths(from);
+    info.registrationTime = readInt(from);
+    info.narSize = readLongLong(from);
+    return info;
 }
 
 
diff --git a/src/libstore/worker-protocol.hh b/src/libstore/worker-protocol.hh
index a4dc690b74d9..2764f82c2ce0 100644
--- a/src/libstore/worker-protocol.hh
+++ b/src/libstore/worker-protocol.hh
@@ -38,6 +38,7 @@ typedef enum {
     wopQueryValidPaths = 23,
     wopQueryFailedPaths = 24,
     wopClearFailedPaths = 25,
+    wopQueryPathInfo = 26,
 } WorkerOp;