This is based on a prototype Nicolas B. Pierron worked on during a discussion we had at FOSDEM. A new version with a workaround for problems of the reverted original. Discussion: https://github.com/NixOS/nixpkgs/commit/3f2566689
This reverts commit 3f2566689d14f1d7778d55ca807d1dad2f4695d1 for now. Evaluation of the tested job got broken, blocking nixos-unstable.
This is based on a prototype Nicolas B. Pierron worked on during a discussion we had at FOSDEM.