merged from lp:~donkult/apt/sid

1 files changed, 20 insertions, 1 deletions

diff --git a/apt-pkg/pkgcache.cc b/apt-pkg/pkgcache.cc
index a59a06d65..30bb41470 100644
--- a/apt-pkg/pkgcache.cc
+++ b/apt-pkg/pkgcache.cc
@@ -343,6 +343,25 @@ pkgCache::PkgIterator pkgCache::GrpIterator::FindPkg(string Arch) {
 	return PkgIterator(*Owner, 0);
 }
 									/*}}}*/
+// GrpIterator::FindPreferredPkg - Locate the "best" package		/*{{{*/
+// ---------------------------------------------------------------------
+/* Returns an End-Pointer on error, pointer to the package otherwise */
+pkgCache::PkgIterator pkgCache::GrpIterator::FindPreferredPkg() {
+	pkgCache::PkgIterator Pkg = FindPkg("native");
+	if (Pkg.end() == false)
+		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)
+			return Pkg;
+	}
+
+	return PkgIterator(*Owner, 0);
+}
+									/*}}}*/
 // GrpIterator::NextPkg - Locate the next package in the group		/*{{{*/
 // ---------------------------------------------------------------------
 /* Returns an End-Pointer on error, pointer to the package otherwise.
@@ -723,7 +742,7 @@ pkgCache::VerFileIterator pkgCache::VerIterator::NewestFile() const
 // ---------------------------------------------------------------------
 /* This describes the version from a release-centric manner. The output is a 
    list of Label:Version/Archive */
-string pkgCache::VerIterator::RelStr()
+string pkgCache::VerIterator::RelStr() const
 {
    bool First = true;
    string Res;