From 0dfc7eef47519bd6b48ceaa4341b72ec40560988 Mon Sep 17 00:00:00 2001
From: Michael Vogt <mvo@ubuntu.com>
Date: Tue, 4 Feb 2014 10:18:16 +0100
Subject: Fix multiarch package upgrade issue

When checking for negative dependencies in MarkInstall() ensure that
only dependencies that are relevant (i.e. getting installed) are
checked.
---
 apt-pkg/depcache.cc                         |  5 +++++
 test/integration/test-bug-multiarch-upgrade | 29 +++++++++++++++++++++++++++++
 2 files changed, 34 insertions(+)
 create mode 100755 test/integration/test-bug-multiarch-upgrade

diff --git a/apt-pkg/depcache.cc b/apt-pkg/depcache.cc
index f9c891c86..a3bb4fd3d 100644
--- a/apt-pkg/depcache.cc
+++ b/apt-pkg/depcache.cc
@@ -1253,6 +1253,11 @@ bool pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst,
 	    if (PkgState[Pkg->ID].InstallVer == 0)
 	       continue;
 
+            /* Ignore negative dependencies that we are not going to 
+               get installed */
+            if (PkgState[Pkg->ID].InstallVer != *I)
+               continue;
+
 	    if ((Start->Version != 0 || TrgPkg != Pkg) &&
 		PkgState[Pkg->ID].CandidateVer != PkgState[Pkg->ID].InstallVer &&
 		PkgState[Pkg->ID].CandidateVer != *I &&
diff --git a/test/integration/test-bug-multiarch-upgrade b/test/integration/test-bug-multiarch-upgrade
new file mode 100755
index 000000000..dc3725df1
--- /dev/null
+++ b/test/integration/test-bug-multiarch-upgrade
@@ -0,0 +1,29 @@
+#!/bin/sh
+set -e
+
+TESTDIR=$(readlink -f $(dirname $0))
+. $TESTDIR/framework
+setupenvironment
+configarchitecture 'amd64' 'i386'
+
+insertinstalledpackage 'libcups2' 'amd64' '1' 'Multi-Arch: same'
+insertinstalledpackage 'libcups2' 'i386' '1' 'Multi-Arch: same'
+
+insertpackage 'unstable' 'libcups2' 'amd64' '0' 'Multi-Arch: same'
+insertpackage 'unstable' 'libcups2' 'amd64' '2' 'Multi-Arch: same'
+insertpackage 'unstable' 'libcups2' 'i386' '0' 'Multi-Arch: same'
+insertpackage 'unstable' 'libcups2' 'i386' '2' 'Multi-Arch: same'
+
+setupaptarchive
+
+testequal 'Reading package lists...
+Building dependency tree...
+The following extra packages will be installed:
+  libcups2
+The following packages will be upgraded:
+  libcups2 libcups2:i386
+2 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
+Inst libcups2 [1] (2 unstable [amd64]) [libcups2:amd64 on libcups2:i386] [libcups2:i386 on libcups2:amd64] [libcups2:i386 ]
+Inst libcups2:i386 [1] (2 unstable [i386])
+Conf libcups2 (2 unstable [amd64])
+Conf libcups2:i386 (2 unstable [i386])' aptget install -s libcups2:i386
-- 
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