From 529bf9b00dfd3c0472d77e9515007e52a3557bc4 Mon Sep 17 00:00:00 2001
From: David Kalnischkies <david@kalnischkies.de>
Date: Wed, 20 Jan 2016 15:49:46 +0100
Subject: prefer upgrading installed provides satisfier

If you have chosen to install a foreign architecture provider it is
more reasonable to keep this provider instead of removing this one to
replace it with a newer version from a (usually) more preferred arch.

Git-Dch: Ignore
---
 apt-pkg/depcache.cc | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'apt-pkg/depcache.cc')

diff --git a/apt-pkg/depcache.cc b/apt-pkg/depcache.cc
index c6fb63be1..8281949f9 100644
--- a/apt-pkg/depcache.cc
+++ b/apt-pkg/depcache.cc
@@ -1016,6 +1016,8 @@ struct CompareProviders {
 	 if (instA != instB)
 	    return instA == false;
       }
+      if ((A->CurrentVer == 0 || B->CurrentVer == 0) && A->CurrentVer != B->CurrentVer)
+	 return A->CurrentVer == 0;
       // Prefer packages in the same group as the target; e.g. foo:i386, foo:amd64
       if (A->Group != B->Group)
       {
-- 
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