The good thing about working on building continuous delivery of embedded
firmware is my growing understanding of how to automate interfacing with the
#nrf9160.

That's why @bifravst now has a single CLI
command, which flashes firmware and credentials:
https://github.com/bifravst/aws/commit/49dffb395281c6cfff7a1990e4d239edfa07692c#diff-9127646e0e3c577bee853d3ddb236afb6936b4d32592c2889467c40334efd3a7R106