From bb9fd9defed3effe84d75fb67e04f79e99865fe6 Mon Sep 17 00:00:00 2001
From: James Turner <zakalawe@mac.com>
Date: Tue, 26 Jan 2016 16:46:58 +0000
Subject: [PATCH] Fix a bug with updating packages.
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- always refresh the catalogs each launch, so we don’t get mismatches
  between the cached copy the and package zips.
---
 src/Network/HTTPClient.cxx | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/Network/HTTPClient.cxx b/src/Network/HTTPClient.cxx
index 57b6626dd..e6d2b29d7 100644
--- a/src/Network/HTTPClient.cxx
+++ b/src/Network/HTTPClient.cxx
@@ -149,7 +149,10 @@ void FGHTTPClient::init()
     packageRoot->addDelegate(_packageDelegate.get());
     
     // start a refresh now
-    packageRoot->refresh();
+    // setting 'force' true to work around the problem where a slightly stale
+    // catalog exists, but aircraft are modified - this causes an MD5 sum
+    // mismatch
+    packageRoot->refresh(true);
   }
 
     _inited = true;