From acfe3d1e705b7a6a877c24982235e01121d08475 Mon Sep 17 00:00:00 2001
From: vng <viktor.govako@gmail.com>
Date: Wed, 25 Mar 2015 17:36:03 +0300
Subject: [PATCH] [storage] Skip download of empty routing file.

---
 storage/storage.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/storage/storage.cpp b/storage/storage.cpp
index aee7f9f6d6..bf8f9f44a2 100644
--- a/storage/storage.cpp
+++ b/storage/storage.cpp
@@ -54,7 +54,13 @@ namespace storage
     : m_index(index), m_init(opt), m_left(opt)
   {
     m_pFile = &(storage.CountryByIndex(index).GetFile());
-    m_current = (m_init & TMapOptions::ECarRouting ? TMapOptions::ECarRouting : TMapOptions::EMapOnly);
+
+    // Don't queue files with 0-size on server (empty or absent).
+    // Downloader has lots of assertions about it.
+    if ((m_init & TMapOptions::ECarRouting) && (m_pFile->GetRemoteSize(TMapOptions::ECarRouting) > 0))
+      m_current = TMapOptions::ECarRouting;
+    else
+      m_init = m_current = m_left = TMapOptions::EMapOnly;
   }
 
   void Storage::QueuedCountry::AddOptions(TMapOptions opt)