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-rw-r--r--morphlib/cachekeycomputer.py6
1 files changed, 4 insertions, 2 deletions
diff --git a/morphlib/cachekeycomputer.py b/morphlib/cachekeycomputer.py
index 22f42aa0..946f5556 100644
--- a/morphlib/cachekeycomputer.py
+++ b/morphlib/cachekeycomputer.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2012-2015 Codethink Limited
+# Copyright (C) 2012-2016 Codethink Limited
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
@@ -127,7 +127,9 @@ class CacheKeyComputer(object):
for key in morph_dict:
if key not in ignored_fields:
keys[key] = morph_dict[key]
- if kind == 'stratum':
+ if kind == 'chunk':
+ keys['chunk-compatibility-version'] = 1
+ elif kind == 'stratum':
keys['stratum-format-version'] = 1
elif kind == 'system':
keys['system-compatibility-version'] = "2~ (upgradable, root rw)"