From 6953c87c92d95bc6a895b931b0f54005b590a2ec Mon Sep 17 00:00:00 2001
From: Richard Maw <richard.maw@codethink.co.uk>
Date: Mon, 2 Jul 2012 15:41:34 +0100
Subject: CacheKeyComputer: increment compat-version

This will prevent systems that don't have the right mount options
being cache hits.

Having fstab be in some System configuration morphology, which is also
included in the cache key would prevent this being needed if the fstab
format changes again.
---
 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 720ec4c2..c2e7490a 100644
--- a/morphlib/cachekeycomputer.py
+++ b/morphlib/cachekeycomputer.py
@@ -96,6 +96,8 @@ class CacheKeyComputer(object):
             keys['morphology-sha1'] = checksum.hexdigest()
         if kind == 'stratum':
             keys['stratum-format-version'] = 1
+        elif kind == 'system':
+            keys['system-compatibility-version'] = 1
 
         return keys
 
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