System/modules/linux/linux/base.nix

50 lines
1.7 KiB
Nix

{ config, lib, pkgs, inputs, ... }@attrs:
with lib; {
config = mkMerge [
(mkIf pkgs.stdenv.isLinux {
zramSwap = mkIf config.nathan.services.zramSwap {
enable = true;
algorithm = "lz4";
memoryPercent = 25;
};
nix = mkIf config.nathan.config.nix.autoGC { autoOptimiseStore = true; };
})
(mkIf config.nathan.config.harden
(import "${inputs.nixpkgs}/nixos/modules/profiles/hardened.nix" attrs))
(mkIf config.nathan.config.harden {
boot.kernelPackages = pkgs.linuxPackages_5_18_hardened;
security = {
allowSimultaneousMultithreading = true;
unprivilegedUsernsClone = true;
};
})
(mkIf ((!config.nathan.config.harden) && config.nathan.config.isDesktop) {
# Use the zen kernel with muqss turned on
boot.kernelPackages = let
linuxZenWMuQSS = pkgs.linuxPackagesFor
(pkgs.linuxPackages_zen.kernel.override {
structuredExtraConfig = with lib.kernel; { SCHED_MUQSS = yes; };
ignoreConfigErrors = true;
});
in linuxZenWMuQSS;
})
(mkIf (config.nathan.config.nix.autoUpdate && pkgs.stdenv.isLinux) {
# Auto update daily at 2 am
system.autoUpgrade = {
enable = true;
allowReboot = true;
# Update from the flake
flake = "git+https://git.sr.ht/~thatonelutenist/system-flake?ref=trunk";
# Attempt to update daily at 2AM
dates = "2:00";
};
})
# Systemd user service cludge
{
systemd.user.extraConfig = ''
DefaultEnvironment="PATH=/run/current-system/sw/bin:/etc/profiles/per-user/${config.nathan.config.user}/bin"
'';
}
];
}