From 4dfa4af0e796e1e0a66c4e171f1124d4eee3476b Mon Sep 17 00:00:00 2001
From: Richard Maw <richard.maw@codethink.co.uk>
Date: Thu, 14 Jun 2012 11:20:43 +0100
Subject: CacheKeyComputer: add stratum-format-version

Since strata aren't tarballs any more, it's simpler to make
tarball strata cache misses than have the system build code
behave differently for tarballs and json chunk lists.
---
 morphlib/cachekeycomputer.py | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'morphlib/cachekeycomputer.py')

diff --git a/morphlib/cachekeycomputer.py b/morphlib/cachekeycomputer.py
index e8cbed2c..720ec4c2 100644
--- a/morphlib/cachekeycomputer.py
+++ b/morphlib/cachekeycomputer.py
@@ -94,6 +94,8 @@ class CacheKeyComputer(object):
             checksum = hashlib.sha1()
             self._hash_thing(checksum, le_dict)
             keys['morphology-sha1'] = checksum.hexdigest()
+        if kind == 'stratum':
+            keys['stratum-format-version'] = 1
 
         return keys
 
-- 
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