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by ParetoOptimal
1206 days ago
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> Where does it say you shouldn't use nix-env, niv or shell.nix in 2023? It's not in official documentation but the biggest reason is it's not reproducible by default and a new user could easily not pin nixpkgs, then think "wait... Nix isn't reproducible". nix-shell and niv or otherwise pinning nixpkgs is pretty good, though there are some reproducibility advantages flakes has over nix-shell + niv such as: - not allowing access to files not tracked in the git repo
- forcing the user to lock their inputs with flake.lock whereas pinning/niv are optional Also see: https://nixos.wiki/wiki/Flakes#Making_your_evaluations_pure |
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