infrastructure/hosts/cesium/system/nix/default.nix
2024-01-12 17:02:47 +01:00

33 lines
679 B
Nix

{
lib,
pkgs,
inputs,
...
}: {
# optimizations
nix.settings.auto-optimise-store = true;
nix.optimise = {
automatic = true;
dates = "daily";
};
# garbage collection
nix.gc = {
automatic = true;
dates = "daily";
options = "--delete-older-than 14d";
};
# experimental features
nix.settings.experimental-features = ["nix-command" "flakes"];
# pin nixpkgs registry
nix.registry.nixpkgs.flake = inputs.nixpkgs;
# print diff between two generations
system.activationScripts.nvd-report-changes = ''
PATH=$PATH:${lib.makeBinPath [pkgs.nvd pkgs.nix]}
nvd diff $(ls -dv /nix/var/nix/profiles/system-*-link | tail -2)
'';
}