Terrible hack workaround for clearing out the non-offline apt cache for desktop related images.

debian/changelog

@@ -6,9 +6,12 @@ livecd-rootfs (2.801) UNRELEASED; urgency=medium
 
   [ Łukasz 'sil2100' Zemczak ]
   * Add ubuntucinnamon to the supported flavours.
+  * Terrible hack workaround for clearing out the non-offline apt cache
+    for desktop related images.
 
   [ Dimitri John Ledkov ]
-  * ubuntu-cpc: set default ext4 mount option commit=30 (LP: #2006511)
+  * ubuntu-cpc: set default ext4 mount option commit=30 (LP: #2006511).
+  * Cherry-pick jammy point release fixes.
 
  -- Dimitri John Ledkov <dimitri.ledkov@canonical.com>  Fri, 24 Feb 2023 12:01:52 +0000
 

live-build/auto/build

@@ -482,6 +482,18 @@ EOF
 		clean_debian_chroot
 	fi
 
+	# XXX: Terrible last-minute hack to work-around issue LP: #2008082 !
+	#  This basically needs to be done better, we simply need to make sure
+	#  that we don't update the cache after lb cleans up. Since identifying
+	#  that might take a moment, for now, for flavors that are generally
+	#  affected by this, we manually clear out the archive-related Packages
+	#  files in the cache.
+	case $PROJECT in
+		ubuntu|xubuntu|kubuntu|ubuntu-budgie|ubuntukylin|ubuntu-mate)
+			rm -f chroot/var/lib/apt/lists/*ubuntu.com*_Packages
+			;;
+	esac
+
 	if [ -n "${PASSES}" ]; then
 		PATH="config/:$PATH" lb binary_layered "$@"
 	else