rename configuration.nix to default.nix
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nixos/default.nix
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314
nixos/default.nix
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# Edit this configuration file to define what should be installed on
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# your system. Help is available in the configuration.nix(5) man page
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# and in the NixOS manual (accessible by running ‘nixos-help’).
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{ inputs, hostname, lib, mylib, config, pkgs, ... }:
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{
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imports = [
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# Import the host-specific system config
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./${hostname}
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./cachix.nix
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];
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# Enable flakes
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nix = {
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package = pkgs.nixFlakes;
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extraOptions = ''
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experimental-features = nix-command flakes
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'';
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# Keep nix-shell from garbage collection for direnv (keep-outputs + keep-derivations)
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# NOTE: nix-direnv use nix or use flake should do this automatically
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# keep-outputs = true
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# keep-derivations = true
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# Auto garbage-collect and optimize store
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gc.automatic = true;
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gc.options = "--delete-older-than 5d";
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settings.auto-optimise-store = true;
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optimise.automatic = true;
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# TODO: Understand this
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# This will add your inputs as registries, making operations with them (such
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# as nix shell nixpkgs#name) consistent with your flake inputs.
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registry = lib.mapAttrs' (n: v: lib.nameValuePair n { flake = v; }) inputs;
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};
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# TODO: Understand that
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# Will activate home-manager profiles for each user upon login
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# This is useful when using ephemeral installations
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environment.loginShellInit = ''
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[ -d "$HOME/.nix-profile" ] || /nix/var/nix/profiles/per-user/$USER/home-manager/activate &> /dev/null
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'';
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# Bootloader/Kernel stuff
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boot = {
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kernelPackages = pkgs.linuxPackages_zen;
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kernelParams = [ "mitigations=off" ];
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plymouth.enable = true;
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loader.systemd-boot.enable = true;
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loader.systemd-boot.configurationLimit = 5;
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loader.systemd-boot.editor = false;
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loader.systemd-boot.consoleMode = "max";
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loader.efi.canTouchEfiVariables = true;
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loader.efi.efiSysMountPoint = "/boot/efi";
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# Make /tmp volatile
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tmpOnTmpfs = true;
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};
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security = {
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protectKernelImage = true;
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rtkit.enable = true;
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polkit.enable = true;
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sudo.enable = true;
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sudo.extraRules = [
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{
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users = [ "christoph" ];
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commands = [
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{
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command = "/etc/profiles/per-user/christoph/bin/gamemoderun";
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options = [ "SETENV" "NOPASSWD" ];
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}
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# We allow running flatpak without password so flatpaks can be installed from the hm config (needs sudo)
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{
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command = "/run/current-system/sw/bin/flatpak";
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options = [ "SETENV" "NOPASSWD" ];
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}
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];
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}
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];
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};
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# Set your time zone.
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time.timeZone = "Europe/Berlin";
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# Select internationalisation properties.
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i18n.defaultLocale = "en_US.UTF-8";
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i18n.extraLocaleSettings = {
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LC_ADDRESS = "de_DE.UTF-8";
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LC_IDENTIFICATION = "de_DE.UTF-8";
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LC_MEASUREMENT = "de_DE.UTF-8";
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LC_MONETARY = "de_DE.UTF-8";
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LC_NAME = "de_DE.UTF-8";
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LC_NUMERIC = "de_DE.UTF-8";
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LC_PAPER = "de_DE.UTF-8";
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LC_TELEPHONE = "de_DE.UTF-8";
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LC_TIME = "de_DE.UTF-8";
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};
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# https://github.com/NixOS/nixpkgs/issues/179486
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i18n.supportedLocales = [ "en_US.UTF-8/UTF-8" "de_DE.UTF-8/UTF-8" ];
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# TODO: Other ports (tcp/udp/ssh...)?
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# Open ports in the firewall.
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networking = {
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# Gets inherited from flake in nixos mylib
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hostName = hostname; # Define your hostname.
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# wireless.enable = true; # Enables wireless support via wpa_supplicant.
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# Configure network proxy if necessary
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# proxy.default = "http://user:password@proxy:port/";
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# proxy.noProxy = "127.0.0.1,localhost,internal.domain";
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# Enable networking
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networkmanager.enable = true;
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firewall.allowedTCPPorts = [ ];
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firewall.allowedTCPPortRanges = [ ];
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firewall.allowedUDPPorts = [ ];
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firewall.allowedUDPPortRanges = [ ];
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# Or disable the firewall altogether.
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# firewall.enable = false;
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};
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# Enable the X11 windowing system.
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services.xserver = {
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enable = true;
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# Startx replaces the displaymanager so default (lightdm) isn't used, start to shell
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# displayManager.startx.enable = true;
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# Plasma (X11)
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# displayManager.sddm.enable = true;
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# desktopManager.plasma5.enable = true;
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# desktopManager.plasma5.runUsingSystemd = true;
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# Gnome (Wayland)
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displayManager.gdm.enable = true;
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displayManager.gdm.wayland = true; # This is actually the default
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desktopManager.gnome.enable = true;
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# HomeManager gnome.gnome-keyring.enable = true;
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wacom.enable = true;
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# Enable touchpad support (enabled default in most desktopManager).
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# libinput.enable = true;
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};
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# XDG
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xdg.portal = {
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enable = true;
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extraPortals = with pkgs; [
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# xdg-desktop-portal-wlr # For wlroots based desktops
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# xdg-desktop-portal-gtk # Comes with gnome
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xdg-desktop-portal-gnome
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];
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# gtkUsePortal = true; # Deprecated
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};
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# Enable sound with pipewire.
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sound.enable = true;
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hardware.pulseaudio.enable = false;
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services.pipewire = {
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enable = true;
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alsa.enable = true;
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alsa.support32Bit = true;
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pulse.enable = true;
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jack.enable = true; # We need this for low latency audio
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wireplumber.enable = true;
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media-session.enable = false;
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};
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fonts = {
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enableDefaultFonts = true; # Some default fonts for unicode coverage
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fontDir.enable = true; # Puts fonts to /run/current-system/sw/share/X11/fonts
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# Font packages go here, don't do this with HomeManager as I need the fonts in the fontdir for flatpak apps
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fonts = with pkgs; [
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victor-mono
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source-code-pro
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source-sans-pro
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source-serif-pro
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(pkgs.nerdfonts.override { fonts = [ "VictorMono" ]; })
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source-han-mono
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source-han-sans
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source-han-serif
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wqy_zenhei
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wqy_microhei
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# jetbrains-mono
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# etBook
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# overpass
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];
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# TODO: Check if this works
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fontconfig = {
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enable = true;
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defaultFonts = {
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serif = [ "Source Han Serif Regular" ];
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sansSerif = [ "Source Han Sans Regular" ];
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monospace = [ "Source Han Mono Regular" ];
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};
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};
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};
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# Define a user account. Don't forget to set a password with ‘passwd’.
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users.users.christoph = {
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isNormalUser = true;
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description = "Christoph";
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extraGroups = [
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"networkmanager"
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"wheel"
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"audio"
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"pipewire"
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"realtime"
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"gamemode"
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"docker"
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"adbusers"
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"scanner"
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"lp"
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"libvirtd"
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];
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shell = pkgs.fish; # TODO: Is this needed if programs.fish.enable = true?
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# We do this with HomeManager
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packages = with pkgs; [ ];
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};
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# Generate a list of installed system packages in /etc/current-system-packages
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environment.etc."current-system-packages".text =
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let
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packages = builtins.map (p: "${p.name}") config.environment.systemPackages;
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sortedUnique = builtins.sort builtins.lessThan (lib.unique packages);
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formatted = builtins.concatStringsSep "\n" sortedUnique;
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in
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formatted;
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# TODO: Trusted users
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# We want these packages to be available even when no user profile is active
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# Empty since we basically only need git + editor which is enabled below
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environment.systemPackages = with pkgs; [ ];
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# TODO: Identify all the crap
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# Remove these packages that come by default with GNOME
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environment.gnome.excludePackages = with pkgs.gnome; [
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# epiphany # gnome webbrowser, could be good with new version
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# gnome-maps
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gnome-contacts
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];
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# It is preferred to use the module (if it exists) over environment.systemPackages, as some extra configs are applied.
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# I would prefer to use HomeManager for some of these but the modules don't exist (yet)
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programs = {
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adb.enable = true;
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dconf.enable = true;
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fish.enable = true;
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git.enable = true;
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neovim.enable = true;
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starship.enable = true;
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thefuck.enable = true; # Not available in HomeManager
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xwayland.enable = true;
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};
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# List services that you want to enable:
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services = {
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# Enable CUPS to print documents.
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# TODO: Printer driver, Gnome printing
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printing.enable = true;
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avahi.enable = true; # Network printers
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avahi.nssmdns = true;
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# Enable the OpenSSH daemon.
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openssh.enable = true;
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journald.extraConfig = ''
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SystemMaxUse=50M
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'';
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# Wiki says needed for appindicators
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udev.packages = with pkgs; [ gnome.gnome-settings-daemon ];
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acpid.enable = true;
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dbus.enable = true;
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flatpak.enable = true; # Not quite the nix style but useful for bottles/proprietary stuff
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fstrim.enable = true;
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fwupd.enable = true;
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locate.enable = true; # Periodically update index
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ntp.enable = true;
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};
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# Docker
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virtualisation.docker = {
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enable = true;
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autoPrune.enable = true;
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};
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virtualisation.libvirtd = { enable = true; };
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# This value determines the NixOS release from which the default
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# settings for stateful data, like file locations and database versions
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# on your system were taken. It‘s perfectly fine and recommended to leave
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# this value at the release version of the first install of this system.
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# Before changing this value read the documentation for this option
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# (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
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system.stateVersion = "22.05"; # Did you read the comment?
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}
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