nix copy: Make -r option use the "from" store

Previously, we tried to compute the closure in the local store, which
obviously doesn't work.

1 files changed, 6 insertions, 1 deletions

diff --git a/src/nix/command.cc b/src/nix/command.cc
index 5a8288da912f..a1b2c120a5d9 100644
--- a/src/nix/command.cc
+++ b/src/nix/command.cc
@@ -79,9 +79,14 @@ StoreCommand::StoreCommand()
     mkFlag(0, "store", "store-uri", "URI of the Nix store to use", &storeUri);
 }
 
+ref<Store> StoreCommand::createStore()
+{
+    return openStore(storeUri);
+}
+
 void StoreCommand::run()
 {
-    run(openStore(storeUri));
+    run(createStore());
 }
 
 StorePathsCommand::StorePathsCommand()