nix-config/_/nixos/_mixins/global/nix.nix

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{ inputs, lib, ... }:
{
nix = {
settings = {
2023-09-19 17:05:08 +00:00
# substituters = [
# "https://cache.burd.me"
# ];
# trusted-public-keys = [
# "cache.burd.me:kszZ/NSwE/TjhOcPPQ16IuUiuRSisdiIwhKZCxguaWg="
# ];
trusted-users = [ "root" "@wheel" ];
auto-optimise-store = lib.mkDefault true;
experimental-features = [ "nix-command" "flakes" "repl-flake" ];
warn-dirty = false;
system-features = [ "kvm" "big-parallel" "nixos-test" ];
flake-registry = ""; # Disable global flake registry
};
gc = {
automatic = true;
dates = "weekly";
# Keep the last 3 generations
options = "--delete-older-than +3";
};
# Add each flake input as a registry
# To make nix3 commands consistent with the flake
registry = lib.mapAttrs (_: value: { flake = value; }) inputs;
# Add nixpkgs input to NIX_PATH
# This lets nix2 commands still use <nixpkgs>
nixPath = [ "nixpkgs=${inputs.nixpkgs.outPath}" ];
};
}