ensure Azure image size is exactly 4GB
set -x
-makef.sh --read-only-usr --image-size 4G --grub-target bios --force $2 $2.tar.xz
+makef.sh --read-only-usr --image-size 4GB --grub-target bios --force $2 $2.tar.xz
make-vhd -o subformat=fixed $2.raw $2.vhd
