# Do not modify this file!  It was generated by ‘nixos-generate-config’
# and may be overwritten by future invocations.  Please make changes
# to /etc/nixos/configuration.nix instead.
{ config, lib, pkgs, ... }:

{
  imports =
    [ <nixpkgs/nixos/modules/installer/scan/not-detected.nix>
    ];

  boot.loader = {
    grub = {
      enable = true;
      version = 2;
      copyKernels = true;
      # efiSupport = true;
      devices = [
        "/dev/disk/by-id/ata-Samsung_SSD_840_EVO_250GB_S1DBNSAF340110R"
      ];
      /*
      mirroredBoots = [
        { devices = [ "${disk_id}" ];
          path    = "/boot${bootnum}";
        }
      ];
      */
    };
    /*
    efi = {
      canTouchEfiVariables = true;
      efiSysMountPoint = "/boot/efi";
      efiInstallAsRemovable = false;
    };
    */
  };

  boot.initrd = {
    availableKernelModules = [
      "ehci_pci" "ahci" "uas" "sd_mod"
      # Made the AES modules available at initrd,
      # to speedup the deciphering of the root.
      "aes_x86_64"
      "aesni_intel"
      "cryptd"
    ];
    kernelModules = [ ];
  };
  boot.kernelModules = [ ];
  boot.extraModulePackages = [ ];
  boot.kernelParams = [
    "gfxpayload=text"
    "console=tty0"
    "console=ttyS0,115200n8"
    # DEBUG: "boot.shell_on_fail"
  ];
  boot.kernel = {
    sysctl = {
      "vm.swappiness" = 10;
      "vm.vfs_cache_pressure" = 50;
    };
  };

  # Clean /tmp automatically on boot.
  boot.cleanTmpDir = true;

  fileSystems."/" =
    { device = "rpool/root";
      fsType = "zfs";
    };

  fileSystems."/boot" =
    { device = "/dev/disk/by-uuid/dc3c5387-17d2-43b3-bfa2-bf73afacca07";
      fsType = "ext2";
    };
    /*
    { device = "bpool/boot";
      fsType = "zfs";
    };
    */

  fileSystems."/boot/efi" =
    { device = "/dev/disk/by-uuid/62E6-E65F";
      fsType = "vfat";
    };

  fileSystems."/home" =
    { device = "rpool/home";
      fsType = "zfs";
    };

  fileSystems."/nix" =
    { device = "rpool/nix";
      fsType = "zfs";
    };

  fileSystems."/nix/var" =
    { device = "rpool/nix/var";
      fsType = "zfs";
    };

  fileSystems."/var" =
    { device = "rpool/var";
      fsType = "zfs";
    };

  fileSystems."/var/cache" =
    { device = "rpool/var/cache";
      fsType = "zfs";
    };

  fileSystems."/var/log" =
    { device = "rpool/var/log";
      fsType = "zfs";
    };

  fileSystems."/var/mail" =
    { device = "rpool/var/mail";
      fsType = "zfs";
    };

  fileSystems."/var/tmp" =
    { device = "rpool/var/tmp";
      fsType = "zfs";
    };

  fileSystems."/var/www" =
    { device = "rpool/var/www";
      fsType = "zfs";
    };

  swapDevices =
    [ { device = "/dev/disk/by-partuuid/6b1eaa35-776b-4e60-b21e-7bcee535dd8b";
        randomEncryption = {
          enable = true;
          cipher = "aes-xts-plain64";
          source = "/dev/urandom";
        };
      }
    ];

  nix.maxJobs = lib.mkDefault 4;
  powerManagement.cpuFreqGovernor = lib.mkDefault "ondemand";
}