1 files changed, 4 insertions, 0 deletions
diff --git a/src/libstore/store-api.hh b/src/libstore/store-api.hh
index 8ca3f4b27d06..b06f5d86a93a 100644
--- a/src/libstore/store-api.hh
+++ b/src/libstore/store-api.hh
@@ -582,6 +582,10 @@ public:
         state.lock()->pathInfoCache.clear();
     }
 
+    /* Establish a connection to the store, for store types that have
+       a notion of connection. Otherwise this is a no-op. */
+    virtual void connect() { };
+
 protected:
 
     Stats stats;