1 files changed, 9 insertions, 0 deletions
diff --git a/java/com/google/gerrit/server/update/BatchUpdate.java b/java/com/google/gerrit/server/update/BatchUpdate.java
index 32529f7ca1..db4509a077 100644
--- a/java/com/google/gerrit/server/update/BatchUpdate.java
+++ b/java/com/google/gerrit/server/update/BatchUpdate.java
@@ -453,6 +453,11 @@ public class BatchUpdate implements AutoCloseable {
     execute(ImmutableList.of(this), ImmutableList.of(), false);
   }
 
+  public BatchRefUpdate prepareRefUpdates() throws Exception {
+    ChangesHandle handle = executeChangeOps(ImmutableList.of(), false);
+    return handle.prepare();
+  }
+
   public boolean isExecuted() {
     return executed;
   }
@@ -639,6 +644,10 @@ public class BatchUpdate implements AutoCloseable {
       checkArgument(old == null, "result for change %s already set: %s", id, old);
     }
 
+    public BatchRefUpdate prepare() throws IOException {
+      return manager.prepare();
+    }
+
     void execute() throws IOException {
       BatchUpdate.this.batchRefUpdate = manager.execute(dryrun);
       BatchUpdate.this.executed = manager.isExecuted();