From 3c34b1fe5bf911367db092674cc650f0ce96d54d Mon Sep 17 00:00:00 2001
From: Andrew Thompson <andrew@hijacked.us>
Date: Mon, 26 Aug 2013 12:51:52 -0400
Subject: [PATCH] Fix building clusters of one node

This fixes the issue added by switching to staged joins that you could
not build clusters of a single node.
---
 src/rt.erl | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/src/rt.erl b/src/rt.erl
index 89465fa6..46c80adb 100644
--- a/src/rt.erl
+++ b/src/rt.erl
@@ -762,9 +762,16 @@ build_cluster(NumNodes, Versions, InitialConfig) ->
 
     %% Join nodes
     [Node1|OtherNodes] = Nodes,
-    [staged_join(Node, Node1) || Node <- OtherNodes],
-
-    plan_and_commit(Node1),
+    case OtherNodes of
+        [] ->
+            %% no other nodes, nothing to join/plan/commit
+            ok;
+        _ ->
+            %% ok do a staged join and then commit it, this eliminates the
+            %% large amount of redundant handoff done in a sequential join
+            [staged_join(Node, Node1) || Node <- OtherNodes],
+            plan_and_commit(Node1)
+    end,
 
     ?assertEqual(ok, wait_until_nodes_ready(Nodes)),