From 1270cfcc81b25b2756b0497b6dfc0129eb9d5a30 Mon Sep 17 00:00:00 2001
From: HanzZ <hanzz.k@gmail.com>
Date: Tue, 2 Aug 2011 21:52:39 +0200
Subject: [PATCH] Don't overwrite alias/groups when backend does not send them

---
 src/networkpluginserver.cpp | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/src/networkpluginserver.cpp b/src/networkpluginserver.cpp
index d3b05652..bd0c9204 100644
--- a/src/networkpluginserver.cpp
+++ b/src/networkpluginserver.cpp
@@ -137,10 +137,15 @@ static void SigCatcher(int n) {
 
 static void handleBuddyPayload(LocalBuddy *buddy, const pbnetwork::Buddy &payload) {
 	buddy->setName(payload.buddyname());
-	buddy->setAlias(payload.alias());
-	std::vector<std::string> groups;
-	groups.push_back(payload.groups());
-	buddy->setGroups(groups);
+	if (!payload.alias().empty()) {
+		buddy->setAlias(payload.alias());
+	}
+	if (!payload.groups().empty()) {
+		std::vector<std::string> groups;
+		groups.push_back(payload.groups());
+		buddy->setGroups(groups);
+	}
+
 	buddy->setStatus(Swift::StatusShow((Swift::StatusShow::Type) payload.status()), payload.statusmessage());
 	buddy->setIconHash(payload.iconhash());
 	buddy->setBlocked(payload.blocked());