* apt-pkg/pkgcache.cc:

  - prefer non-virtual packages in FindPreferredPkg

apt-pkg/cacheiterators.h

@@ -115,8 +115,11 @@ class pkgCache::GrpIterator: public Iterator<Group, GrpIterator> {
 	/** \brief find the package with the "best" architecture
 
 	    The best architecture is either the "native" or the first
-	    in the list of Architectures which is not an end-Pointer */
-	PkgIterator FindPreferredPkg() const;
+	    in the list of Architectures which is not an end-Pointer
+
+	    \param PreferNonVirtual tries to respond with a non-virtual package
+		   and only if this fails returns the best virtual package */
+	PkgIterator FindPreferredPkg(bool const &PreferNonVirtual = true) const;
 	PkgIterator NextPkg(PkgIterator const &Pkg) const;
 
 	// Constructors

apt-pkg/pkgcache.cc

@@ -349,19 +349,21 @@ pkgCache::PkgIterator pkgCache::GrpIterator::FindPkg(string Arch) const {
 // GrpIterator::FindPreferredPkg - Locate the "best" package		/*{{{*/
 // ---------------------------------------------------------------------
 /* Returns an End-Pointer on error, pointer to the package otherwise */
-pkgCache::PkgIterator pkgCache::GrpIterator::FindPreferredPkg() const {
+pkgCache::PkgIterator pkgCache::GrpIterator::FindPreferredPkg(bool const &PreferNonVirtual) const {
 	pkgCache::PkgIterator Pkg = FindPkg("native");
-	if (Pkg.end() == false)
+	if (Pkg.end() == false && (PreferNonVirtual == false || Pkg->VersionList != 0))
 		return Pkg;
 
 	std::vector<std::string> const archs = APT::Configuration::getArchitectures();
 	for (std::vector<std::string>::const_iterator a = archs.begin();
 	     a != archs.end(); ++a) {
 		Pkg = FindPkg(*a);
-		if (Pkg.end() == false)
+		if (Pkg.end() == false && (PreferNonVirtual == false || Pkg->VersionList != 0))
 			return Pkg;
 	}
 
+	if (PreferNonVirtual == true)
+		return FindPreferredPkg(false);
 	return PkgIterator(*Owner, 0);
 }
 									/*}}}*/

debian/changelog

@@ -7,8 +7,10 @@ apt (0.7.26~exp11) experimental; urgency=low
     - be able to omit dependency types in (r)depends (Closes: #319006)
   * apt-pkg/cacheset.cc:
     - move them back to the library as they look stable now
+  * apt-pkg/pkgcache.cc:
+    - prefer non-virtual packages in FindPreferredPkg
 
- -- David Kalnischkies <kalnischkies@gmail.com>  Sat, 17 Jul 2010 19:56:47 +0200
+ -- David Kalnischkies <kalnischkies@gmail.com>  Sun, 25 Jul 2010 08:20:41 +0200
 
 apt (0.7.26~exp10) experimental; urgency=low