From eb2bc4f206faf5b8c67f09f3a92b3dea453e2b87 Mon Sep 17 00:00:00 2001
From: Michael Vogt <michael.vogt@ubuntu.com>
Date: Wed, 26 Apr 2006 12:40:51 +0200
Subject: * give a useful error message for the database change

---
 ftparchive/cachedb.cc | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'ftparchive')

diff --git a/ftparchive/cachedb.cc b/ftparchive/cachedb.cc
index 427fea7e4..0e6078642 100644
--- a/ftparchive/cachedb.cc
+++ b/ftparchive/cachedb.cc
@@ -69,6 +69,12 @@ bool CacheDB::ReadyDB(string DB)
                             (ReadOnly?DB_RDONLY:DB_CREATE), 0644);
 
       }
+      // the database format has changed from DB_HASH to DB_BTREE in 
+      // apt 0.6.44
+      if (err == EINVAL)
+      {
+	 _error->Error(_("DB format is invalid. If you upgraded from a older version of apt, please remove and re-create the database."));
+      }
       if (err)
       {
           Dbp = 0;
-- 
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