initial commit

flake.lock

@@ -0,0 +1,84 @@
+{
+  "nodes": {
+    "catppuccin": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      },
+      "locked": {
+        "lastModified": 1749223974,
+        "narHash": "sha256-/GAQYRW1duU81KG//2wI9ax8EkHVG/e1UOD97NdwLOY=",
+        "owner": "catppuccin",
+        "repo": "nix",
+        "rev": "3a42cd79c647360ee8742659e42aeec0947dd3b4",
+        "type": "github"
+      },
+      "original": {
+        "owner": "catppuccin",
+        "repo": "nix",
+        "type": "github"
+      }
+    },
+    "home-manager": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1749154018,
+        "narHash": "sha256-gjN3j7joRvT3a8Zgcylnd4NFsnXeDBumqiu4HmY1RIg=",
+        "owner": "nix-community",
+        "repo": "home-manager",
+        "rev": "7aae0ee71a17b19708b93b3ed448a1a0952bf111",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "ref": "release-25.05",
+        "repo": "home-manager",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1749794982,
+        "narHash": "sha256-Kh9K4taXbVuaLC0IL+9HcfvxsSUx8dPB5s5weJcc9pc=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "ee930f9755f58096ac6e8ca94a1887e0534e2d81",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1749727998,
+        "narHash": "sha256-mHv/yeUbmL91/TvV95p+mBVahm9mdQMJoqaTVTALaFw=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "fd487183437963a59ba763c0cc4f27e3447dd6dd",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-25.05",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "catppuccin": "catppuccin",
+        "home-manager": "home-manager",
+        "nixpkgs": "nixpkgs_2"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,45 @@
+{
+  description = "NixOS + Home Manager config";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.05";
+
+    catppuccin.url = "github:catppuccin/nix";
+
+    home-manager = {
+      url = "github:nix-community/home-manager/release-25.05";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+
+  };
+
+  outputs = inputs@{ self, nixpkgs, catppuccin, home-manager, ... }: {
+
+
+    nixosConfigurations = {
+      segfault-machine = nixpkgs.lib.nixosSystem {
+        system = "x86_64-linux";
+	specialArgs = { inherit inputs; };
+        modules = [
+          ./hosts/segfault-machine/configuration.nix
+
+          home-manager.nixosModules.home-manager
+          {
+            home-manager.backupFileExtension = "backup";
+            home-manager.useGlobalPkgs = true;
+            home-manager.useUserPackages = true;
+
+            home-manager.users.lukas.imports = [
+	      ./home/lukas/default.nix
+	    ];
+
+	    home-manager.extraSpecialArgs = { inherit inputs; };
+
+          }
+        ];
+      };
+    };
+  };
+}
+
+

home/lukas/brave.nix

@@ -0,0 +1,16 @@
+{
+  programs.brave = {
+    enable = true;
+
+    extensions = [
+      # Catppuccin for GitHub File Explorer Icons
+      { id = "lnjaiaapbakfhlbjenjkhffcdpoompki"; }
+      # uBlock Origin
+      { id = "cjpalhdlnbpafiamejdnhcphjbkeiagm"; }
+      # Return YouTube dislike
+      { id = "gebbhagfogifgggkldgodflihgfeippi"; }
+      # Sponsorblock for YouTube
+      { id = "mnjggcdmjocbbbhaepdhchncahnbgone"; }
+    ];
+  };
+}

home/lukas/catppuccin.nix

@@ -0,0 +1,14 @@
+{ inputs, ... }:
+{
+  imports = [ inputs.catppuccin.homeModules.catppuccin ];
+
+  catppuccin = {
+    accent = "mauve";
+    flavor = "mocha";
+    enable = true;
+
+    bat.enable   = true;   # <- installs Catppuccin-Mocha.tmTheme
+    delta.enable = true;   # <- colours delta with your mauve accent
+  };
+
+}

home/lukas/default.nix

@@ -0,0 +1,19 @@
+{ config, pkgs, ... }:
+
+{
+  imports = [
+    ./packages.nix
+    ./terminal.nix
+    ./emacs.nix
+    ./shell.nix
+    ./catppuccin.nix
+    ./brave.nix
+    ./git.nix
+    ./direnv.nix
+  ];
+
+  home.username = "lukas";
+  home.homeDirectory = "/home/lukas";
+  home.stateVersion = "25.05";
+}
+

home/lukas/direnv.nix

@@ -0,0 +1,9 @@
+{ pkgs, ... }:
+
+{
+  programs.direnv = {
+    enable = true;
+    nix-direnv.enable = true;   # provides `use flake`
+  };
+}
+

home/lukas/emacs.nix

@@ -0,0 +1,18 @@
+{ pkgs, ... }:
+
+let
+  grammars = pkgs.emacsPackages.treesit-grammars.with-all-grammars;
+in
+{
+  programs.emacs = {
+    enable = true;
+    package = pkgs.emacs30;              # or emacs29-pgtk / emacs30
+    extraPackages = epkgs: [
+      grammars                            # <-- the real derivation
+    ];
+  };
+
+  # Make sure Emacs can find the .so files
+  home.sessionVariables.TREE_SITTER_LIBDIR = "${grammars}/lib";
+}
+

home/lukas/git.nix

@@ -0,0 +1,22 @@
+{ config, lib, pkgs, ... }:
+let
+  userPubKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAII1DsMfyMUK0snbTeVWMmdzLP9NIvPoQ4tjqyREUMHwZ mail@lukas.contact";
+in {
+  home.file.".ssh/allowed_signers".text = "* ${userPubKey}";
+
+  programs.git = {
+    enable = true;
+    userName  = "Lukas";
+    userEmail = "mail@lukas.contact";
+    extraConfig = {
+      commit.gpgsign = true;
+      gpg.format = "ssh";
+      gpg.ssh.allowedSignersFile = "~/.ssh/allowed_signers";
+      user.signingkey = "~/.ssh/id_ed25519.pub";
+    };
+  };
+}
+
+
+
+

home/lukas/hyprland.nix

@@ -0,0 +1,22 @@
+{ config, pkgs, ... }:
+
+{
+  wayland.windowManager.hyprland = {
+    enable = true;
+    settings = {
+      monitor = ",preferred,auto,1";
+      exec-once = "hyprpaper & waybar";
+      input = {
+        kb_layout = "de";
+        follow_mouse = 1;
+      };
+      bind = [
+        "SUPER,Return,exec,alacritty"
+        "SUPER,q,killactive"
+        "SUPER,space,togglefloating"
+      ];
+      decoration.rounding = 8;
+      misc.vfr = true;
+    };
+  };
+}

home/lukas/packages.nix

@@ -0,0 +1,22 @@
+{ pkgs, ... }:
+
+{
+  fonts.fontconfig.enable = true;
+
+  home.packages = [
+    pkgs.thunderbird
+    pkgs.nextcloud-client
+    pkgs.keepassxc
+    pkgs.tree
+    pkgs.htop
+    pkgs.neovim
+    pkgs.wget
+    pkgs.unzip
+    pkgs.nerd-fonts.fira-code
+    pkgs.meslo-lgs-nf
+
+    pkgs.eza
+    pkgs.bat
+  ];
+}
+

home/lukas/shell.nix

@@ -0,0 +1,40 @@
+{ pkgs, ... }:
+
+{
+  programs.zsh = {
+    enable = true;
+    enableCompletion = true;
+    syntaxHighlighting.enable = true;
+    autosuggestion.enable = true;
+
+    initContent = "source /etc/nixos/home/lukas/p10k.zsh";
+    sessionVariables = {
+      POWERLEVEL9K_DISABLE_CONFIGURATION_WIZARD = "true";
+    };
+
+
+
+    zplug = {
+      enable = true;
+      plugins = [
+        { name = "romkatv/powerlevel10k"; tags = [ as:theme depth:1 ]; }
+      ];
+    };
+
+    shellAliases = {
+      ls = "eza --icons";                               # plain directory listing
+      ll = "eza --icons -alh --git";                    # long list, all, human, git status
+      la = "eza --icons -a";                            # show all dot-files, short
+      lt = "eza -T --icons --git-ignore --level=2";     # pretty tree, two levels deep
+
+      cat  ="bat --style=plain";                        # pretty ‘cat’
+      less ="bat --style=plain --pager=less";           # pretty ‘less’
+
+      diff = "delta --paging=always";                   # quick standalone diff
+
+    };
+
+  };
+}
+
+

home/lukas/terminal.nix

@@ -0,0 +1,24 @@
+{ pkgs, ... }:
+
+{
+  programs.tmux = {
+    enable = true;
+    clock24 = true;
+    extraConfig = ''
+      set-option -g mouse on
+      set-option -g history-limit 50000
+      set -g default-shell "${pkgs.zsh}/bin/zsh"
+      set -g default-terminal "tmux-256color"
+    '';
+  };
+
+
+  programs.alacritty = {
+    enable = true;
+    settings.terminal.shell = {
+        program = "${pkgs.tmux}/bin/tmux";
+        args = [ "new-session" "-A" "-s" "main" ];
+      };
+  };
+}
+

home/lukas/waybar.nix

@@ -0,0 +1,44 @@
+{ pkgs, ... }:
+
+{
+  home.packages = with pkgs; [
+    waybar networkmanagerapplet 
+  ];
+  programs.waybar = {
+    catppuccin.enable = true;
+    enable = true;
+    systemd.enable = true;        # auto-restart on crashes
+    settings = {
+      mainBar = {
+        layer = "top";
+        position = "top";
+        height = 32;
+        modules-left  = [ "hyprland/workspaces" ];
+        modules-center = [ "clock" ];
+        modules-right = [
+          "network"
+          "pulseaudio"
+          "battery"
+          "tray"
+        ];
+
+        # `network` module shows SSID + signal; no need for nm-applet text
+        "network" = {
+          format-wifi = "{ssid}    {signalStrength}%";
+          format-disconnected = "";
+        };
+      };
+    };
+  };
+
+  # Start nm-applet once; Waybar's SNI tray picks it up.
+  systemd.user.services."nm-applet" = {
+    Unit.Description = "NetworkManager Applet";
+    Service = {
+      ExecStart = "${pkgs.networkmanagerapplet}/bin/nm-applet --indicator";
+      Restart   = "on-failure";
+    };
+    Install.WantedBy = [ "graphical-session.target" ];
+  };
+}
+

hosts/segfault-machine/configuration.nix

@@ -0,0 +1,29 @@
+{ config, pkgs, ... }: {
+  imports = [
+    ./hardware.nix
+    ../../users/lukas.nix
+    ../../modules/desktop/plasma.nix
+    ../../modules/networking/networkmanager.nix
+    ../../modules/system/locale.nix
+    ../../modules/system/audio.nix
+    ../../modules/system/printing.nix
+  ];
+
+  networking.hostName = "segfault-machine";
+
+   # Bootloader.
+  boot.loader.systemd-boot.enable = true;
+  boot.loader.efi.canTouchEfiVariables = true;
+
+  # Use latest kernel.
+  boot.kernelPackages = pkgs.linuxPackages_latest;
+
+  # luks setup
+  boot.initrd.luks.devices."luks-4fb890ca-7670-49c3-8bc2-f5041492d454".device = "/dev/disk/by-uuid/4fb890ca-7670-49c3-8bc2-f5041492d454";
+
+  # Version festlegen
+  system.stateVersion = "25.05";
+  nix.settings.experimental-features = [ "nix-command" "flakes" ];
+
+}
+

hosts/segfault-machine/hardware.nix

@@ -0,0 +1,49 @@
+# 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, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "nvme" "xhci_pci" "thunderbolt" "usb_storage" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-amd" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/5af0ed50-72c4-4bee-8c6e-7b0556cffbc7";
+      fsType = "ext4";
+    };
+
+  boot.initrd.luks.devices."luks-8b6f4d96-6a79-4add-9e28-14e2152a1b24".device = "/dev/disk/by-uuid/8b6f4d96-6a79-4add-9e28-14e2152a1b24";
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/85F9-3F33";
+      fsType = "vfat";
+      options = [ "fmask=0077" "dmask=0077" ];
+    };
+
+  swapDevices =
+    [ { device = "/dev/disk/by-uuid/b01b125b-77ea-4c51-8390-b7b22ce4530a"; }
+    ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp1s0f0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.wlp2s0.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+
+  hardware.bluetooth = {
+    enable = true;
+    powerOnBoot = true;
+  };
+
+}

modules/desktop/hyprland.nix

@@ -0,0 +1,22 @@
+{ pkgs, lib, ... }:
+
+{
+  programs.hyprland = {
+    enable = true;
+    xwayland.enable = true;
+  };
+
+  services.greetd = {
+    enable = true;
+    settings.default_session = {
+      command = "Hyprland";
+      user = "lukas";
+    };
+  };
+
+  environment.systemPackages = with pkgs; [
+    hyprpicker hyprpaper hyprcursor
+    waybar swaylock grim slurp wl-clipboard kitty
+  ];
+}
+

modules/desktop/plasma.nix

@@ -0,0 +1,18 @@
+{ config, pkgs, ... }:
+{
+  # X11/KDE Plasma
+  services.xserver.enable = true;
+  services.displayManager.sddm.enable = true;
+  services.desktopManager.plasma6.enable = true;
+
+  # Tastatur
+  services.xserver.xkb = {
+    layout = "de";
+    variant = "";
+    # swap caps and esc
+    options = "caps:swapescape";
+  };
+
+  # Konsole-Tastatur
+  console.keyMap = "de";
+}

modules/networking/networkmanager.nix

@@ -0,0 +1,5 @@
+{ config, pkgs, ... }:
+{
+  networking.networkmanager.enable = true;
+}
+

modules/system/audio.nix

@@ -0,0 +1,12 @@
+{ config, pkgs, ... }:
+{
+  services.pulseaudio.enable = false;
+  security.rtkit.enable = true;
+  services.pipewire = {
+    enable = true;
+    alsa.enable = true;
+    alsa.support32Bit = true;
+    pulse.enable = true;
+  };
+}
+

modules/system/locale.nix

@@ -0,0 +1,18 @@
+{ config, pkgs, ... }:
+
+{
+  time.timeZone = "Europe/Berlin";
+  i18n.defaultLocale = "de_DE.UTF-8";
+  i18n.extraLocaleSettings = {
+    LC_ADDRESS = "de_DE.UTF-8";
+    LC_IDENTIFICATION = "de_DE.UTF-8";
+    LC_MEASUREMENT = "de_DE.UTF-8";
+    LC_MONETARY = "de_DE.UTF-8";
+    LC_NAME = "de_DE.UTF-8";
+    LC_NUMERIC = "de_DE.UTF-8";
+    LC_PAPER = "de_DE.UTF-8";
+    LC_TELEPHONE = "de_DE.UTF-8";
+    LC_TIME = "de_DE.UTF-8";
+  };
+}
+

modules/system/printing.nix

@@ -0,0 +1,5 @@
+{ config, pkgs, ... }:
+{
+  services.printing.enable = true;
+}
+

users/lukas.nix

@@ -0,0 +1,14 @@
+{ config, pkgs, ... }:
+
+{
+  users.users.lukas = {
+    isNormalUser = true;
+    description = "lukas";
+    extraGroups = [ "networkmanager" "wheel" ];
+  };
+
+  # Autologin
+  services.displayManager.autoLogin.enable = true;
+  services.displayManager.autoLogin.user = "lukas";
+}
+