From 9f5c2be171c6964e4e05456833e742b0009bf029 Mon Sep 17 00:00:00 2001
From: Adam Kocoloski <kocolosk@apache.org>
Date: Sun, 6 Sep 2009 19:30:23 +0000
Subject: check if either history is empty, not both

git-svn-id: https://svn.apache.org/repos/asf/couchdb/trunk@811868 13f79535-47bb-0310-9956-ffa450edef68
---
 src/couchdb/couch_rep.erl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/couchdb')

diff --git a/src/couchdb/couch_rep.erl b/src/couchdb/couch_rep.erl
index b1c46db9..bcd1807c 100644
--- a/src/couchdb/couch_rep.erl
+++ b/src/couchdb/couch_rep.erl
@@ -268,7 +268,7 @@ compare_replication_logs(SrcDoc, TgtDoc) ->
         compare_rep_history(SourceHistory, TargetHistory)
     end.
 
-compare_rep_history([], []) ->
+compare_rep_history(S, T) when S =:= [] orelse T =:= [] ->
     ?LOG_INFO("no common ancestry -- performing full replication", []),
     {0, []};
 compare_rep_history([{S}|SourceRest], [{T}|TargetRest]=Target) ->
-- 
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