Forward-port sever-live additions for intel-iotg

live-build/auto/config

@@ -848,9 +848,15 @@ case $PROJECT in
 				# the GA and HWE kernels (in separate layers) so this code is
 				# written generically to support both even though a lot of the
 				# time only one kernel is offered.
-
+				case ${SUBARCH-} in
+					intel-iot)
+						variants='intel'
+						;;
+					*)
 						# variants='ga hwe'
 						variants='ga'
+						;;
+				esac
 
 				for variant in $variants; do
 					if [ "$variant" = "ga" ]; then
@@ -859,6 +865,9 @@ case $PROJECT in
 					elif [ "$variant" = "hwe" ]; then
 						kernel_metapkg=linux-generic-hwe-$(lsb_release -sr)
 						flavor=generic-hwe
+					elif [ "$variant" = "intel" ]; then
+						kernel_metapkg=linux-intel-iotg
+						flavor=intel-iotg
 					else
 						echo "bogus variant: $variant"
 						exit 1

live-build/ubuntu-server/hooks/03-kernel-metapkg.chroot_early

@@ -8,6 +8,8 @@ case $PASS in
             kernel_metapkg=linux-generic
         elif [ "$flavor" = "generic-hwe" ]; then
             kernel_metapkg=linux-generic-hwe-$(lsb_release -sr)
+        elif [ "$flavor" = "intel" ]; then
+            kernel_metapkg=linux-intel-iotg
         else
             echo "bogus flavor: $flavor"
             exit 1

live-build/ubuntu-server/hooks/04-kernel-bits.binary

@@ -10,6 +10,8 @@ case $PASS in
         ;;
 esac
 
+PROJECT=$PROJECT${SUBARCH:+-$SUBARCH}
+
 # Fish out generated kernel image and initrd
 mv chroot/boot/initrd.img-* ${PWD}/livecd.${PROJECT}.initrd-$flavor
 mv chroot/boot/vmlinu?-* ${PWD}/livecd.${PROJECT}.kernel-$flavor