nixfiles/pinning.nix

24 lines
786 B
Nix

{ config, pkgs, ... }:
let sources = import ./npins;
in {
# https://jade.fyi/blog/pinning-nixos-with-npins/
# We need the flakes experimental feature to do the NIX_PATH thing cleanly
# below. Given that this is literally the default config for flake-based
# NixOS installations in the upcoming NixOS 24.05, future Nix/Lix releases
# will not get away with breaking it.
nix.settings.experimental-features = "nix-command flakes";
# FIXME(24.05 or nixos-unstable): change following two rules to
#
# nixpkgs.flake.source = sources.nixpkgs;
#
# which does the exact same thing, using the same machinery as flake configs
# do as of 24.05.
nix.registry.nixpkgs.to = {
type = "path";
path = sources.nixpkgs;
};
nix.nixPath = ["nixpkgs=flake:nixpkgs"];
}