From 97dd294de48c01e2def199fa5cccf9b94aea5e7d Mon Sep 17 00:00:00 2001
From: Paul Nasrat <pnasrat@redhat.com>
Date: Wed, 19 Jul 2006 19:25:08 +0000
Subject: [PATCH] Patch from hpj@urpla.net to use a more robust rpm header
 signature retrieval method for cache files, as recommended by Jeff Johnson.

---
 dumpMetadata.py | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/dumpMetadata.py b/dumpMetadata.py
index 7533aaa..36ab5d6 100644
--- a/dumpMetadata.py
+++ b/dumpMetadata.py
@@ -569,8 +569,11 @@ class RpmMetaData:
             """
         if not self.options['cache']:
             return getChecksum(self.options['sumtype'], fo)
-        
-        csumtag = '%s-%s' % (self.hdr['name'] , self.hdr[rpm.RPMTAG_SHA1HEADER])
+
+        key = "".join([hex(ord(x))[2:].zfill(2)
+                       for x in tuple(self.hdr[rpm.RPMTAG_SIGMD5])])
+
+        csumtag = '%s-%s' % (self.hdr['name'] , key)
         csumfile = '%s/%s' % (self.options['cachedir'], csumtag)
         if os.path.exists(csumfile) and self.mtime <= os.stat(csumfile)[8]:
             csumo = open(csumfile, 'r')
-- 
2.34.1