From e6837226fe88aace242d6ee92ad59afdf8175782 Mon Sep 17 00:00:00 2001
From: Sascha Silbe <sascha-pgp@silbe.org>
Date: Mon, 22 Mar 2010 16:18:37 +0000
Subject: Merge commit 'refs/top-bases/t/testsuite' into t/testsuite

---
diff --git a/src/carquinyol/layoutmanager.py b/src/carquinyol/layoutmanager.py
index 0b0b91a..8402b6d 100644
--- a/src/carquinyol/layoutmanager.py
+++ b/src/carquinyol/layoutmanager.py
@@ -114,6 +114,14 @@ class LayoutManager(object):
         return uids
 
     def _is_empty(self):
+        """Check if there is any existing entry.
+
+        All data store layout versions are handled. Will err on the safe
+        side (i.e. return False if there might be any entry)."""
+        if os.path.exists(os.path.join(self._root_path, 'store')):
+            # unmigrated 0.82 data store
+            return False
+
         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)):
--
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