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-rw-r--r--ops/nixos/nugget/default.nix175
1 files changed, 175 insertions, 0 deletions
diff --git a/ops/nixos/nugget/default.nix b/ops/nixos/nugget/default.nix
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+++ b/ops/nixos/nugget/default.nix
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+# This file contains the configuration for my home desktop.
+
+{ pkgs, ... }:
+
+config: let
+  inherit (pkgs) lib;
+
+  nixpkgs = import pkgs.third_party.nixpkgsSrc {
+    config.allowUnfree = true;
+  };
+in pkgs.lib.fix(self: {
+  hardware = {
+    pulseaudio.enable = true;
+    cpu.intel.updateMicrocode = true;
+  };
+
+  boot = {
+    cleanTmpDir = true;
+    kernelModules = [ "kvm-intel" ];
+
+    loader = {
+      timeout = 3;
+      systemd-boot.enable = true;
+      efi.canTouchEfiVariables = false;
+    };
+
+    initrd = {
+      luks.devices.nugget-crypt.device = "/dev/disk/by-label/nugget-crypt";
+      availableKernelModules = [ "xhci_pci" "ehci_pci" "ahci" "usb_storage" "usbhid" "sd_mod" ];
+      kernelModules = [ "dm-snapshot" ];
+    };
+  };
+
+  nix = {
+    nixPath = [
+      "depot=/home/tazjin/depot"
+      "nixpkgs=${pkgs.third_party.nixpkgsSrc}"
+    ];
+  };
+
+  nixpkgs.pkgs = nixpkgs;
+
+  networking = {
+    hostName = "nugget";
+    useDHCP = false;
+    interfaces.eno1.useDHCP = true;
+    interfaces.wlp7s0.useDHCP = true;
+
+    # Don't use ISP's DNS servers:
+    nameservers = [
+      "8.8.8.8"
+      "8.8.4.4"
+    ];
+
+    # Open Chromecast-related ports & servedir
+    firewall.allowedTCPPorts = [ 4242 5556 5558 ];
+  };
+
+  # Generate an immutable /etc/resolv.conf from the nameserver settings
+  # above (otherwise DHCP overwrites it):
+  environment.etc."resolv.conf" = with lib; with pkgs; {
+    source = writeText "resolv.conf" ''
+      ${concatStringsSep "\n" (map (ns: "nameserver ${ns}") self.networking.nameservers)}
+      options edns0
+    '';
+  };
+
+  time.timeZone = "Europe/London";
+
+  environment.systemPackages =
+    # programs from the depot
+    (with pkgs; [
+      (third_party.lieer {})
+      ops.kontemplate
+      third_party.git
+      tools.emacs
+    ]) ++
+
+    # programs from nixpkgs
+    (with nixpkgs; [
+      age
+      bat
+      chromium
+      curl
+      direnv
+      dnsutils
+      exa
+      fd
+      gnupg
+      go
+      htop
+      jq
+      notmuch
+      openssh
+      openssl
+      pass
+      pavucontrol
+      pinentry
+      pinentry-emacs
+      pwgen
+      ripgrep
+      rustup
+      spotify
+      tokei
+      tree
+      vlc
+      xclip
+    ]);
+
+    fileSystems = {
+      "/".device = "/dev/disk/by-label/nugget-root";
+      "/boot".device = "/dev/disk/by-label/EFI";
+      "/home".device = "/dev/disk/by-label/nugget-home";
+    };
+
+    # Configure user account
+    users.extraUsers.tazjin = {
+      extraGroups = [ "wheel" "audio" ];
+      isNormalUser = true;
+      uid = 1000;
+      shell = nixpkgs.fish;
+    };
+
+    security.sudo = {
+      enable = true;
+      extraConfig = "wheel ALL=(ALL:ALL) SETENV: ALL";
+    };
+
+    fonts = {
+      fonts = with nixpkgs; [
+        corefonts
+        input-fonts
+        noto-fonts-cjk
+        noto-fonts-emoji
+      ];
+    };
+
+    # Configure location (Vauxhall, London) for services that need it.
+    location = {
+      latitude = 51.4819109;
+      longitude = -0.1252998;
+    };
+
+    programs.fish.enable = true;
+
+    services.redshift.enable = true;
+    services.openssh.enable = true;
+
+    services.xserver = {
+      enable = true;
+      layout = "us";
+      xkbOptions = "caps:super";
+      exportConfiguration = true;
+      videoDrivers = [ "nvidia" ];
+
+      displayManager = {
+        # Give EXWM permission to control the session.
+        sessionCommands = "${nixpkgs.xorg.xhost}/bin/xhost +SI:localuser:$USER";
+
+        lightdm.enable = true;
+        lightdm.greeters.gtk.clock-format = "%H·%M";
+      };
+
+      windowManager.session = pkgs.lib.singleton {
+        name = "exwm";
+        start = "${pkgs.tools.emacs}/bin/tazjins-emacs";
+      };
+    };
+
+    # Do not restart the display manager automatically
+    systemd.services.display-manager.restartIfChanged = lib.mkForce false;
+
+    # ... and other nonsense.
+    system.stateVersion = "19.09";
+})