debian/patches: Add 0003_set-XDG_CURRENT-DESKTOP-if-empty.patch. Make sure that XDG_CURRENT_DESKTOP gets set if not already set by DM. (Closes: #775905).

debian/patches/0003_set-XDG-CURRENT-DESKTOP-if-empty.patch

@@ -0,0 +1,22 @@
+From ca95cd34c5c6f9f9e5873b4732338e23c30988e8 Mon Sep 17 00:00:00 2001
+From: Denis Gorodnichev <denis.gorodnichev@gmail.com>
+Date: Mon, 29 Sep 2014 04:44:00 +0000
+Subject: Set XDG_CURRENT_DESKTOP if unset
+
+XDG_CURRENT_DESKTOP is used by glib >= 2.42 at g_desktop_app_info* functions
+
+Original GNOME commit: https://git.gnome.org/browse/gnome-session/commit/?id=1db085ce7e5197b28ab24a3ec54d888efe98fcb4
+Closes https://github.com/mate-desktop/mate-session-manager/pull/62
+---
+--- a/mate-session/main.c
++++ b/mate-session/main.c
+@@ -581,6 +581,9 @@
+ 	mdm_log_init();
+ 	mdm_log_set_debug(debug);
+ 
++	if (g_getenv ("XDG_CURRENT_DESKTOP") == NULL)
++		gsm_util_setenv ("XDG_CURRENT_DESKTOP", "MATE");
++
+ 	/* Set DISPLAY explicitly for all our children, in case --display
+ 	 * was specified on the command line.
+ 	 */

debian/patches/series

@@ -1,3 +1,4 @@
 0001_msmgnome-Allow-users-to-disable-one-or-both-compatib.patch
 0002_msmgnome-Allow-users-to-disable-one-or-both-compatib.patch
+0003_set-XDG-CURRENT-DESKTOP-if-empty.patch
 1001_hypen-used-as-minus-sign-man-page-fix.patch