Suppress "copying 0 paths" message

NixOS · Oct 18, 2017 · d830614 · d830614
1 parent b24b8ef
commit d830614
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/libstore/store-api.cc b/src/libstore/store-api.cc
@@ -619,6 +619,8 @@ void copyPaths(ref<Store> srcStore, ref<Store> dstStore, const PathSet & storePa
     for (auto & path : storePaths)
         if (!valid.count(path)) missing.insert(path);
 
+    if (missing.empty()) return;
+
     Activity act(*logger, lvlInfo, actCopyPaths, fmt("copying %d paths", missing.size()));
 
     std::atomic<size_t> nrDone{0};