Fellow hacker Simon Tournier did an experiment: reproducing a pure #Guix 2020 paper in the worst-case scenario—shutting down network access except for #SoftwareHeritage and #Disarchive, and from there rebuilding everything from source.
https://simon.tournier.info/posts/2023-06-23-hackathon-repro.html
Spoiler alert: there are lots of bumps on the road. But it works in the end and there are many lessons we can learn to improve on it.