{% if YARD_IMG_ARCH == "arm64" %}
deb [arch={{ YARD_IMG_ARCH }}] http://ports.ubuntu.com/ {{ release }}-backports main restricted universe multiverse
{% else %}
-deb http://archive.ubuntu.com/ubuntu/ {{ release }}-backports main restricted universe multiverse
+deb [arch=amd64,i386] http://archive.ubuntu.com/ubuntu/ {{ release }}-backports main restricted universe multiverse
{% endif %}