From: Brian Warner <warner@lothar.com>
Date: Mon, 9 Mar 2009 03:42:20 +0000 (-0700)
Subject: storage.expirer: handle upgrades better
X-Git-Tag: allmydata-tahoe-1.4.0~71
X-Git-Url: https://git.rkrishnan.org/vdrive//%22file:/%22?a=commitdiff_plain;h=df3f7f93e0b28a2bb28ac6bde45b30689ece801e;p=tahoe-lafs%2Ftahoe-lafs.git

storage.expirer: handle upgrades better
---

diff --git a/src/allmydata/storage/expirer.py b/src/allmydata/storage/expirer.py
index 79254241..32913cb9 100644
--- a/src/allmydata/storage/expirer.py
+++ b/src/allmydata/storage/expirer.py
@@ -61,6 +61,10 @@ class LeaseCheckingCrawler(ShareCrawler):
         # get started: unit tests do this
         so_far = self.create_empty_cycle_dict()
         self.state.setdefault("cycle-to-date", so_far)
+        # in case we upgrade the code while a cycle is in progress, update
+        # the keys individually
+        for k in self.state["cycle-to-date"]:
+            self.state["cycle-to-date"].setdefault(k, so_far[k])
 
         # initialize history
         if not os.path.exists(self.historyfile):