From 065387ede564ea9b2bdb6d1a63e43e8e636eaad3 Mon Sep 17 00:00:00 2001
From: Tomeu Vizoso <tomeu@sugarlabs.org>
Date: Thu, 13 Aug 2009 09:06:36 +0000
Subject: Don't try to rebuild the index when the layout has just been created.

---
diff --git a/src/carquinyol/datastore.py b/src/carquinyol/datastore.py
index 0307046..2cda1e9 100644
--- a/src/carquinyol/datastore.py
+++ b/src/carquinyol/datastore.py
@@ -59,10 +59,10 @@ class DataStore(dbus.service.Object):
         layout_manager = layoutmanager.get_instance()
         if layout_manager.get_version() == 0:
             migration.migrate_from_0()
-            layout_manager.set_version(2)
+            layout_manager.set_version(layout_manager.CURRENT_LAYOUT_VERSION)
             layout_manager.index_updated = False
         elif layout_manager.get_version() == 1:
-            layout_manager.set_version(2)
+            layout_manager.set_version(layout_manager.CURRENT_LAYOUT_VERSION)
             layout_manager.index_updated = False
 
         self._metadata_store = MetadataStore()
diff --git a/src/carquinyol/layoutmanager.py b/src/carquinyol/layoutmanager.py
index a017029..42db46f 100644
--- a/src/carquinyol/layoutmanager.py
+++ b/src/carquinyol/layoutmanager.py
@@ -17,7 +17,7 @@
 import os
 
 MAX_QUERY_LIMIT = 40960
-
+CURRENT_LAYOUT_VERSION = 2
 
 class LayoutManager(object):
     """Provide the logic about how entries are stored inside the datastore
@@ -32,13 +32,19 @@ class LayoutManager(object):
 
         if not os.path.exists(self._root_path):
             os.makedirs(self._root_path)
-            self.set_version(1)
 
         self._create_if_needed(self.get_checksums_dir())
         self._create_if_needed(self.get_queue_path())
 
         index_updated_path = os.path.join(self._root_path, 'index_updated')
-        self._index_updated = os.path.exists(index_updated_path)
+        if os.path.exists(index_updated_path):
+            self._index_updated = True
+        elif self._is_empty():
+            open(index_updated_path, 'w').close()
+            self.set_version(CURRENT_LAYOUT_VERSION)
+            self._index_updated = True
+        else:
+            self._index_updated = False
 
     def _create_if_needed(self, path):
         if not os.path.exists(path):
@@ -95,6 +101,13 @@ class LayoutManager(object):
                         uids.append(g)
         return uids
 
+    def _is_empty(self):
+        for f in os.listdir(self._root_path):
+            if os.path.isdir(os.path.join(self._root_path, f)) and len(f) == 2:
+                for g in os.listdir(os.path.join(self._root_path, f)):
+                    if len(g) == 36:
+                        return False
+        return True
 
 _instance = None
 def get_instance():
--
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