{% if ansible_distribution_release == 'buster' %}
# there are no tarsnap packages for Debian 10 "buster" yet, so use Debian 9's
deb [arch=amd64] https://pkg.tarsnap.com/deb/stretch ./
{% else %}
deb [arch=amd64] https://pkg.tarsnap.com/deb/{{ ansible_distribution_release }} ./
{% endif %}