--- /dev/null
+Index: opkg-9c97d5ecd795709c8584e972bfdf3aee3a5b846d/libopkg/opkg_install.c
+===================================================================
+--- opkg-9c97d5ecd795709c8584e972bfdf3aee3a5b846d.orig/libopkg/opkg_install.c 2014-09-07 22:06:37.875956909 +0200
++++ opkg-9c97d5ecd795709c8584e972bfdf3aee3a5b846d/libopkg/opkg_install.c 2014-09-07 22:10:30.579952951 +0200
+@@ -1463,10 +1463,11 @@
+ /* removing files from old package, to avoid ghost files */
+ remove_data_files_and_list(old_pkg);
+ remove_maintainer_scripts(old_pkg);
++ pkg->is_upgrade = 1;
+ }
+
+
+- opkg_msg(INFO, "Installing maintainer scripts.\n");
++ opkg_msg(INFO, "%s maintainer scripts.\n", (pkg->is_upgrade) ? ("Upgrading") : ("Installing"));
+ if (install_maintainer_scripts(pkg, old_pkg)) {
+ opkg_msg(ERROR, "Failed to extract maintainer scripts for %s."
+ " Package debris may remain!\n",
+Index: opkg-9c97d5ecd795709c8584e972bfdf3aee3a5b846d/libopkg/pkg.c
+===================================================================
+--- opkg-9c97d5ecd795709c8584e972bfdf3aee3a5b846d.orig/libopkg/pkg.c 2014-09-07 22:06:37.863956909 +0200
++++ opkg-9c97d5ecd795709c8584e972bfdf3aee3a5b846d/libopkg/pkg.c 2014-09-07 22:09:09.387954332 +0200
+@@ -1285,6 +1285,12 @@
+ setenv("PKG_ROOT",
+ pkg->dest ? pkg->dest->root_dir : conf->default_dest->root_dir, 1);
+
++ if (pkg->is_upgrade)
++ setenv("PKG_UPGRADE", "1", 0);
++ else
++ setenv("PKG_UPGRADE", "0", 0);
++
++
+ if (! file_exists(path)) {
+ free(path);
+ return 0;
+Index: opkg-9c97d5ecd795709c8584e972bfdf3aee3a5b846d/libopkg/pkg.h
+===================================================================
+--- opkg-9c97d5ecd795709c8584e972bfdf3aee3a5b846d.orig/libopkg/pkg.h 2014-03-21 16:56:11.000000000 +0100
++++ opkg-9c97d5ecd795709c8584e972bfdf3aee3a5b846d/libopkg/pkg.h 2014-09-07 22:09:26.315954044 +0200
+@@ -184,6 +184,7 @@
+ /* this flag specifies whether the package was installed to satisfy another
+ * package's dependancies */
+ int auto_installed;
++ int is_upgrade;
+ };
+
+ pkg_t *pkg_new(void);