config/base.nix

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{ config, pkgs, lib, inputs, ... }:
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{
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imports = let ifExists = p: if builtins.pathExists p then p else {}; in [
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./cachix.nix # update with `cachix use --mode nixos -d . FOOBAR`
./profiles/locale-no.nix
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./profiles/upgrade-diff.nix
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./profiles/lix.nix
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# results of 'nixos-generate-config'
# nice to have if i just dump this flake into /etc/nixos on a clean install
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(ifExists ./configuration.nix )
(ifExists ./hardware-configuration.nix )
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];
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nixpkgs.overlays = [ (import ./overlay.nix) ];
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nixpkgs.config.permittedInsecurePackages = [
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pkgs.pulsar.name
pkgs.zotero.name
pkgs.gitea.name
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];
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environment.systemPackages = with pkgs; [
ddrescue
gptfdisk
ms-sys
nvme-cli
parted
pciutils
smartmontools
testdisk
usbutils
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] ++ lib.optionals (builtins.elem config.nixpkgs.system [ "x86_64-linux" "aarch64_linux"]) [
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cage
weston
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];
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# TODO: selectively whitelist
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nixpkgs.config.allowUnfree = true;
nixpkgs.config.allowUnfreePredicate = (pkg: true);
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nixpkgs.config.nonfreeLicensing = true; # used by ffmpeg
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hardware.enableRedistributableFirmware = true;
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sops.secrets.nix-access-tokens.mode = "0440";
sops.secrets.nix-access-tokens.group = config.users.groups.keys.name;
nix.extraOptions = ''
!include ${config.sops.secrets.nix-access-tokens.path}
'';
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nix.settings.experimental-features = [
"nix-command"
"flakes"
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];
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nix.settings.allowed-users = [ "*" ]; # default
#nix.settings.allowed-users = [ "@nixbld" "@builders" ]; # TODO: this
nix.settings.trusted-users = [ "root" "@wheel" ];
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nix.settings.keep-derivations = true; # great with nix-diff
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nix.settings.auto-optimise-store = true; # deduplicate with hardlinks, expensive. Alternative: nix-store --optimise
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nix.settings.max-silent-time = 3600;
#nix.settings.keep-failed = true;
#nix.settings.log-lines = 35;
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#nix.optimize.automatic = true; # periodic optimization
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nix.gc.automatic = true;
nix.gc.dates = "weekly";
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nix.gc.options = lib.mkIf config.system.autoUpgrade.enable "--delete-older-than 15d";
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nix.settings.min-free = 3 * 1024 * 1024 * 1024;
nix.settings.max-free = 20 * 1024 * 1024 * 1024;
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services.thermald.enable = lib.mkIf (config.nixpkgs.system == "x86_64-linux") true;
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# System fonts
# Nice to have when X-forwading on headless machines
fonts.fontDir.enable = true; # creates /run/current-system/sw/share/X11/fonts
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fonts.enableDefaultPackages = true; # dejavu, freefont, gyre, liberation, unifont, noto-fonts-emoji
fonts.packages = with pkgs; [
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noto-fonts # includes Cousine
noto-fonts-cjk
noto-fonts-emoji
noto-fonts-extra
];
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networking.firewall.enable = true; # default
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# https://discourse.nixos.org/t/what-to-do-with-a-full-boot-partition/2049
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# raise to 15 if auto upgrading
boot.loader.grub.configurationLimit = lib.mkDefault 5;
boot.loader.systemd-boot.configurationLimit = lib.mkDefault 5;
boot.loader.raspberryPi.uboot.configurationLimit = lib.mkDefault 5;
boot.loader.generic-extlinux-compatible.configurationLimit = lib.mkDefault 5;
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}