_: { nixpkgs = { config = { allowUnfree = true; }; }; nh = { enable = true; clean.enable = true; }; nix = { gc = { automatic = true; dates = "weekly"; options = "--delete-older-than 7d"; }; settings = { extra-experimental-features = ["flakes" "nix-command"]; warn-dirty = false; auto-optimise-store = true; builders-use-substitutes = true; keep-derivations = true; keep-outputs = true; allowed-users = ["@wheel"]; trusted-users = ["root" "@wheel"]; substituters = [ "https://hyprland.cachix.org" "https://cache.nixos.org" "https://jakestanger.cachix.org" ]; trusted-public-keys = [ "hyprland.cachix.org-1:a7pgxzMz7+chwVL3/pzj6jIBMioiJM7ypFP8PwtkuGc=" "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=" "jakestanger.cachix.org-1:VWJE7AWNe5/KOEvCQRxoE8UsI2Xs2nHULJ7TEjYm7mM=" ]; }; }; }