ich hab nix gemacht

.gitignore

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+/configuration.nix

autologin.nix

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+{ config, pkgs, ... }:
+
+let cfg = config.autologin;
+in
+{
+  options = {
+    autologin.username = pkgs.lib.mkOption {
+      description = "Username of user to be automatically logged in at tty1";
+    };
+  };
+  config = {
+    systemd.services."autovt@tty1".description = "Autologin at the TTY1";
+    systemd.services."autovt@tty1".after = [ "systemd-logind.service" ];  # without it user session not started and xorg can't be run from this tty
+    systemd.services."autovt@tty1".wantedBy = [ "multi-user.target" ];
+    systemd.services."autovt@tty1".serviceConfig = {
+      ExecStart = [
+          ""  # override upstream default with an empty ExecStart
+          "@${pkgs.utillinux}/sbin/agetty agetty --login-program ${pkgs.shadow}/bin/login --autologin '${cfg.username}' --noclear %I $TERM"
+      ];
+      Restart = "always";
+      Type = "idle";
+    };
+  };
+}

fish.nix

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+{ config, lib, pkgs, ... }:
+
+{
+  environment.systemPackages = with pkgs; [
+    unstable.fish
+  ];
+  programs.fish.enable = true;
+}
+

hardware/t520.nix

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+{ config, lib, pkgs, ... }:
+
+{
+  boot.initrd.availableKernelModules = [
+    "i915"
+  ];
+}

machines/t520/configuration.nix

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+# Edit this configuration file to define what should be installed on
+# your system.  Help is available in the configuration.nix(5) man page
+# and in the NixOS manual (accessible by running ‘nixos-help’).
+
+{ config, pkgs, ... }:
+
+{
+  imports =
+    [
+      ./hardware-configuration.nix
+      ../../hardware/t520.nix
+      ../../sway.nix
+      ../../unstable.nix
+      ../../fish.nix
+      ../../autologin.nix
+    ];
+
+  boot.loader.grub = {
+    enable = true;
+    version = 2;
+    device = "/dev/sda";
+  };
+
+  boot.initrd.availableKernelModules = [
+    "aes_x86_64"
+    "aesni_intel"
+    "cryptd"
+  ];
+
+  boot.initrd.luks.devices = {
+    pvcrypt = {
+      device = "/dev/disk/by-uuid/3a1a8fec-b028-45c0-8432-7fcbe4615f44";
+      preLVM = true;
+    };
+  };
+
+  networking = {
+    hostName = "jalr-t520";
+    interfaces.eno0.useDHCP = true;
+    networkmanager.enable = true;
+    useDHCP = false;
+  };
+
+  i18n.defaultLocale = "de_DE.UTF-8";
+  console = {
+    font = "Lat2-Terminus16";
+    keyMap = "neo";
+  };
+
+  time.timeZone = "Europe/Berlin";
+
+  # List packages installed in system profile. To search, run:
+  # $ nix search wget
+  environment.systemPackages = with pkgs; [
+    file
+    firefox-wayland
+    fzf
+    git
+    htop
+    jq
+    neovim
+    pavucontrol
+    ripgrep
+    spice-gtk
+    virt-manager
+  ];
+
+  fonts.fonts = with pkgs; [
+    powerline-fonts
+    roboto
+    font-awesome
+  ];
+
+  environment.variables.EDITOR = "nvim";
+
+  nixpkgs.overlays = [
+    (self: super: {
+      neovim = super.neovim.override {
+        viAlias = true;
+        vimAlias = true;
+      };
+    })
+  ];
+
+  programs.mtr.enable = true;
+  
+  programs.gnupg.agent = {
+     enable = true;
+     pinentryFlavor = "qt";
+  };
+
+  sound.enable = true;
+  hardware.pulseaudio.enable = true;
+
+  services.udisks2.enable = true;
+
+
+  virtualisation = {
+    docker.enable = true;
+    libvirtd.enable = true;
+  };
+
+  # https://github.com/NixOS/nixpkgs/issues/60594
+  security.wrappers.spice-client-glib-usb-acl-helper.source = "${pkgs.spice-gtk}/bin/spice-client-glib-usb-acl-helper";
+
+  security.polkit.enable = true;
+
+  # Define a user account. Don't forget to set a password with ‘passwd’.
+  users.users.jalr = {
+    isNormalUser = true;
+    extraGroups = [
+      "dialout"
+      "docker"
+      "libvirtd"
+      "networkmanager"
+      "video"
+      "wheel"
+    ]; # Enable ‘sudo’ for the user.
+    shell = pkgs.fish;
+  };
+
+  autologin.username = "jalr";
+
+  # This value determines the NixOS release from which the default
+  # settings for stateful data, like file locations and database versions
+  # on your system were taken. It‘s perfectly fine and recommended to leave
+  # this value at the release version of the first install of this system.
+  # Before changing this value read the documentation for this option
+  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
+  system.stateVersion = "20.03"; # Did you read the comment?
+
+}

machines/t520/hardware-configuration.nix

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+# 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.initrd.availableKernelModules = [ "ehci_pci" "ahci" "firewire_ohci" "usb_storage" "usbhid" "sd_mod" "sdhci_pci" ];
+  boot.initrd.kernelModules = [ "dm-snapshot" ];
+  boot.kernelModules = [ "kvm-intel" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/62e31097-dc6e-4f91-a043-1a6b8a154201";
+      fsType = "ext4";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/c4df83d7-8985-47df-b5cd-bf18bd490a50";
+      fsType = "ext2";
+    };
+
+  swapDevices = [ ];
+
+  nix.maxJobs = lib.mkDefault 4;
+  powerManagement.cpuFreqGovernor = lib.mkDefault "powersave";
+}

sway.nix

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+{ config, lib, pkgs, ... }:
+
+{
+#  environment.systemPackages = with pkgs; [
+#    sway
+#  ];
+
+#  nixpkgs.overlays = [
+#    (self: super: {
+#      sway = super.neovim.override {
+#        extraOptions = [
+#	  "--unsupported-gpu"
+#	];
+#      };
+#    })
+#  ];
+  programs.sway = {
+    enable = true;
+#    extraOptions = [
+#      "--unsupported-gpu"
+#    ];
+    extraPackages = with pkgs; [
+      alacritty
+      grim
+      mako
+      redshift-wlr
+      slurp
+      swayidle
+      swaylock
+      waybar
+      wl-clipboard
+      wofi
+      xwayland
+    ];
+    extraSessionCommands =
+      ''
+      export XKB_DEFAULT_LAYOUT=de
+      export XKB_DEFAULT_VARIANT=neo
+      export QT_QPA_PLATFORM=wayland
+      export QT_WAYLAND_DISABLE_WINDOWDECORATION=1
+      export ELM_ENGINE=wayland_shm
+      export GDK_BACKEND=wayland
+      export _JAVA_AWT_WM_NONREPARENTING=1
+      '';
+  };
+}

unstable.nix

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+{ config, pkgs, ... }:
+
+let
+  unstableTarball =
+    fetchTarball
+      https://github.com/NixOS/nixpkgs-channels/archive/nixos-unstable.tar.gz;
+in
+{
+  nixpkgs.config = {
+    packageOverrides = pkgs: {
+      unstable = import unstableTarball {
+        config = config.nixpkgs.config;
+      };
+    };
+  };
+}