Nix does not guarantee reproducibility

This post serves to show that Nix does not guarantee that builds are reproducible so that we may learn and improve our builds . Some of the following problems are not solvable. In such a case there may be ways to mitigate some of them. However, it is important that we don't lie about them when evangelising Nix. Why bother writing this? I have been building and deploying software with Nix since…