From 9ed80cdd1faceb32963393449bc94a5d93a9115f Mon Sep 17 00:00:00 2001
From: David Kalnischkies <kalnischkies@gmail.com>
Date: Sat, 13 Oct 2012 13:18:29 +0200
Subject: [PATCH] * apt-pkg/policy.cc:   - match pins with(out) an architecture
 as we do on the commandline     (partly fixing #687255, b= support has to
 wait for jessie)

---
 apt-pkg/policy.cc | 49 +++++++++++++++++++++++++----------------------
 debian/changelog  |  3 +++
 2 files changed, 29 insertions(+), 23 deletions(-)

diff --git a/apt-pkg/policy.cc b/apt-pkg/policy.cc
index b47dab90c..4ae3b5f87 100644
--- a/apt-pkg/policy.cc
+++ b/apt-pkg/policy.cc
@@ -27,6 +27,7 @@
 
 #include <apt-pkg/policy.h>
 #include <apt-pkg/configuration.h>
+#include <apt-pkg/cachefilter.h>
 #include <apt-pkg/tagfile.h>
 #include <apt-pkg/strutl.h>
 #include <apt-pkg/fileutl.h>
@@ -259,17 +260,33 @@ void pkgPolicy::CreatePin(pkgVersionMatch::MatchType Type,string Name,
    }
 
    // find the package (group) this pin applies to
-   pkgCache::GrpIterator Grp;
-   pkgCache::PkgIterator Pkg;
-   if (Arch.empty() == false)
-      Pkg = Cache->FindPkg(Name, Arch);
-   else {
-      Grp = Cache->FindGrp(Name);
-      if (Grp.end() == false)
-	 Pkg = Grp.PackageList();
+   pkgCache::GrpIterator Grp = Cache->FindGrp(Name);
+   bool matched = false;
+   if (Grp.end() == false)
+   {
+      std::string MatchingArch;
+      if (Arch.empty() == true)
+	 MatchingArch = Cache->NativeArch();
+      else
+	 MatchingArch = Arch;
+      APT::CacheFilter::PackageArchitectureMatchesSpecification pams(MatchingArch);
+      for (pkgCache::PkgIterator Pkg = Grp.PackageList(); Pkg.end() != true; Pkg = Grp.NextPkg(Pkg))
+      {
+	 if (pams(Pkg.Arch()) == false)
+	    continue;
+	 Pin *P = Pins + Pkg->ID;
+	 // the first specific stanza for a package is the ruler,
+	 // all others need to be ignored
+	 if (P->Type != pkgVersionMatch::None)
+	    P = &*Unmatched.insert(Unmatched.end(),PkgPin(Pkg.FullName()));
+	 P->Type = Type;
+	 P->Priority = Priority;
+	 P->Data = Data;
+	 matched = true;
+      }
    }
 
-   if (Pkg.end() == true)
+   if (matched == false)
    {
       PkgPin *P = &*Unmatched.insert(Unmatched.end(),PkgPin(Name));
       if (Arch.empty() == false)
@@ -279,20 +296,6 @@ void pkgPolicy::CreatePin(pkgVersionMatch::MatchType Type,string Name,
       P->Data = Data;
       return;
    }
-
-   for (; Pkg.end() != true; Pkg = Grp.NextPkg(Pkg))
-   {
-      Pin *P = Pins + Pkg->ID;
-      // the first specific stanza for a package is the ruler,
-      // all others need to be ignored
-      if (P->Type != pkgVersionMatch::None)
-	 P = &*Unmatched.insert(Unmatched.end(),PkgPin(Pkg.FullName()));
-      P->Type = Type;
-      P->Priority = Priority;
-      P->Data = Data;
-      if (Grp.end() == true)
-	 break;
-   }
 }
 									/*}}}*/
 // Policy::GetMatch - Get the matching version for a package pin	/*{{{*/
diff --git a/debian/changelog b/debian/changelog
index 545791f34..09d818e20 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -22,6 +22,9 @@ apt (0.9.7.6) UNRELEASED; urgency=low
   * apt-pkg/edsp.cc:
     - include reinstall requests and already installed (= protected) packages
       in the install-request for external resolvers (Closes: #689331)
+  * apt-pkg/policy.cc:
+    - match pins with(out) an architecture as we do on the commandline
+      (partly fixing #687255, b= support has to wait for jessie)
 
  -- David Kalnischkies <kalnischkies@gmail.com>  Wed, 19 Sep 2012 11:29:56 +0200
 
-- 
2.45.2