BatchRefUpdate: Include command message in toString()

Change-Id: I359f33af5aa84af77c3628e6cd9a5ee3f7f38d49

org.eclipse.jgit/src/org/eclipse/jgit/lib/BatchRefUpdate.java

@@ -487,7 +487,11 @@ public class BatchRefUpdate {
 		for (ReceiveCommand cmd : commands) {
 			r.append("  "); //$NON-NLS-1$
 			r.append(cmd);
-			r.append("  (").append(cmd.getResult()).append(")\n"); //$NON-NLS-1$ //$NON-NLS-2$
+			r.append("  (").append(cmd.getResult()); //$NON-NLS-1$
+			if (cmd.getMessage() != null) {
+				r.append(": ").append(cmd.getMessage()); //$NON-NLS-1$
+			}
+			r.append(")\n"); //$NON-NLS-1$
 		}
 		return r.append(']').toString();
 	}