auto/config: switch ubuntucinnamon and ubuntu-unity builds to use add_task to get their desktop packages. Previously most (all?) flavour builds got the snaps from that flavour's "desktop" seed implicitly added, but now an explicit add_task is needed.

debian/changelog

@@ -1,3 +1,12 @@
+livecd-rootfs (2.840) UNRELEASED; urgency=medium
+
+  * auto/config: switch ubuntucinnamon and ubuntu-unity builds to use add_task
+    to get their desktop packages. Previously most (all?) flavour builds got
+    the snaps from that flavour's "desktop" seed implicitly added, but now an
+    explicit add_task is needed.
+
+ -- Michael Hudson-Doyle <michael.hudson@ubuntu.com>  Thu, 18 May 2023 09:25:38 +1200
+
 livecd-rootfs (2.839) mantic; urgency=medium
 
   * Drop use of --removable flag to grub-install from

live-build/auto/config

@@ -847,8 +847,7 @@ case $PROJECT in
 		;;
 
 	ubuntucinnamon)
-		add_task install minimal standard
+		add_task install minimal standard ubuntucinnamon-desktop
-		add_package install ubuntucinnamon-desktop
 		# XXX: Adding live packages manually temporarily until we have
 		#  the live task for ubuntucinnamon set up properly.
 		add_package live ubiquity-frontend-gtk
@@ -910,8 +909,7 @@ case $PROJECT in
 		;;
 
 	ubuntu-unity)
-		add_task install minimal standard
+		add_task install minimal standard ubuntu-unity-desktop
-		add_package install ubuntu-unity-desktop
 		# XXX: Adding live packages manually temporarily until we have
 		#  the live task for ubuntu-unity set up properly.
 		add_package live metacity ubiquity-frontend-gtk