+#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
+