2 files changed, 23 insertions, 1 deletions
diff --git a/apt-pkg/deb/debmetaindex.cc b/apt-pkg/deb/debmetaindex.cc
index b597b6f3c..504877558 100644
--- a/apt-pkg/deb/debmetaindex.cc
+++ b/apt-pkg/deb/debmetaindex.cc
@@ -1,4 +1,3 @@
-// ijones, walters
 #include <config.h>
 
 #include <apt-pkg/debmetaindex.h>
@@ -72,6 +71,22 @@ string debReleaseIndex::MetaIndexURI(const char *Type) const
    return Res;
 }
 
+#if (APT_PKG_MAJOR >= 4 && APT_PKG_MINOR >= 13)
+std::string debReleaseIndex::LocalFileName() const
+{
+   // see if we have a InRelease file
+   std::string PathInRelease =  MetaIndexFile("InRelease");
+   if (FileExists(PathInRelease))
+      return PathInRelease;
+
+   // and if not return the normal one
+   if (FileExists(PathInRelease))
+      return MetaIndexFile("Release");
+
+   return "";
+}
+#endif
+
 string debReleaseIndex::IndexURISuffix(const char *Type, string const &Section, string const &Arch) const
 {
    string Res ="";
diff --git a/apt-pkg/deb/debmetaindex.h b/apt-pkg/deb/debmetaindex.h
index b9ecab97c..cef8d68f7 100644
--- a/apt-pkg/deb/debmetaindex.h
+++ b/apt-pkg/deb/debmetaindex.h
@@ -3,6 +3,7 @@
 #define PKGLIB_DEBMETAINDEX_H
 
 #include <apt-pkg/metaindex.h>
+#include <apt-pkg/init.h>
 
 #include <map>
 #include <string>
@@ -39,9 +40,15 @@ class debReleaseIndex : public metaIndex {
    virtual bool GetIndexes(pkgAcquire *Owner, bool const &GetAll=false) const;
    std::vector <struct IndexTarget *>* ComputeIndexTargets() const;
    std::string Info(const char *Type, std::string const &Section, std::string const &Arch="") const;
+
    std::string MetaIndexInfo(const char *Type) const;
    std::string MetaIndexFile(const char *Types) const;
    std::string MetaIndexURI(const char *Type) const;
+
+#if (APT_PKG_MAJOR >= 4 && APT_PKG_MINOR >= 13)
+   virtual std::string LocalFileName() const;
+#endif
+
    std::string IndexURI(const char *Type, std::string const &Section, std::string const &Arch="native") const;
    std::string IndexURISuffix(const char *Type, std::string const &Section, std::string const &Arch="native") const;
    std::string SourceIndexURI(const char *Type, const std::string &Section) const;