A well-written Nix package should be buildable at any point in the future, producing near-identical results. This is why I sometimes publish Nix packages for ob

A well-written Nix package should be buildable at any point in the future, producing near-identical results. This is why I sometimes publish Nix packages for obscure & hard to build pieces of software that I'm not likely to maintain - because it's like rescuing a snapshot of them from oblivion.