It is currently possible to achieve this by using templates, which is supported by curtin. This is currently not documented anywhere besides one of the examples: https://github.com/canonical/curtin/blob/master/examples/apt-source.yaml#L109
I have proposed a PR that adds documentation for this in curtin: https://code.launchpad.net/~tiago.pasqualini/curtin/+git/curtin/+merge/473478
It is currently possible to achieve this by using templates, which is supported by curtin. This is currently not documented anywhere besides one of the examples: https:/ /github. com/canonical/ curtin/ blob/master/ examples/ apt-source. yaml#L109
I have proposed a PR that adds documentation for this in curtin: https:/ /code.launchpad .net/~tiago. pasqualini/ curtin/ +git/curtin/ +merge/ 473478