From 975c42c402d2f1b24a199f1ada38e37295d7e14b Mon Sep 17 00:00:00 2001
From: Lars Wirzenius <liw@gytha>
Date: Sun, 20 Apr 2008 19:21:00 +0300
Subject: Set previous generation when running a backup.

---
 obnam/oper_backup.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'obnam')

diff --git a/obnam/oper_backup.py b/obnam/oper_backup.py
index dd11690f..a9a5240d 100644
--- a/obnam/oper_backup.py
+++ b/obnam/oper_backup.py
@@ -37,7 +37,12 @@ class Backup(obnam.Operation):
         app.get_store().load_maps()
         # We don't need to load in file data, therefore we don't load
         # the content map blocks.
-    
+
+        old_gen_ids = host.get_generation_ids()
+        if old_gen_ids:
+            prev_gen = app.get_store().get_object(old_gen_ids[-1])
+            app.set_previous_generation(prev_gen)
+                
         gen = app.backup(roots)
         
         app.get_store().commit_host_block([gen])
-- 
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