initial commit

all.nix

@@ -0,0 +1,8 @@
+{ ... }:
+
+{
+  imports = [
+    ./users/all.nix
+    ./programs/all.nix
+  ];
+}

flake.lock

@@ -0,0 +1,96 @@
+{
+  "nodes": {
+    "haumea": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      },
+      "locked": {
+        "lastModified": 1708375098,
+        "narHash": "sha256-DaFJp3wDHgOqx98U0SF57bXaH2Orp106c+jSdPCVu1E=",
+        "owner": "nix-community",
+        "repo": "haumea",
+        "rev": "ec6350fd9353e7f27ce0e85d31f82e3ed73e4d70",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "haumea",
+        "type": "github"
+      }
+    },
+    "home-manager": {
+      "inputs": {
+        "nixpkgs": "nixpkgs_2"
+      },
+      "locked": {
+        "lastModified": 1765860045,
+        "narHash": "sha256-7Lxp/PfOy4h3QIDtmWG/EgycaswqRSkDX4DGtet14NE=",
+        "owner": "nix-community",
+        "repo": "home-manager",
+        "rev": "09de9577d47d8bffb11c449b6a3d24e32ac16c99",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "home-manager",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1681001314,
+        "narHash": "sha256-5sDnCLdrKZqxLPK4KA8+f4A3YKO/u6ElpMILvX0g72c=",
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "rev": "367c0e1086a4eb4502b24d872cea2c7acdd557f4",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "type": "github"
+      }
+    },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1765472234,
+        "narHash": "sha256-9VvC20PJPsleGMewwcWYKGzDIyjckEz8uWmT0vCDYK0=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "2fbfb1d73d239d2402a8fe03963e37aab15abe8b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_3": {
+      "locked": {
+        "lastModified": 1764983851,
+        "narHash": "sha256-y7RPKl/jJ/KAP/VKLMghMgXTlvNIJMHKskl8/Uuar7o=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "d9bc5c7dceb30d8d6fafa10aeb6aa8a48c218454",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-25.11",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "haumea": "haumea",
+        "home-manager": "home-manager",
+        "nixpkgs": "nixpkgs_3"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,27 @@
+{
+  inputs = {
+    # This is pointing to an unstable release.
+    # If you prefer a stable release instead, you can this to the latest number shown here: https://nixos.org/download
+    # i.e. nixos-24.11
+    # Use `nix flake update` to update the flake to the latest revision of the chosen release channel.
+    haumea.url = "github:nix-community/haumea";
+    home-manager.url = "github:nix-community/home-manager";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.11";
+  };
+  outputs = inputs@{ self, nixpkgs, home-manager, ... }: {
+    # NOTE: 'nixos' is the default hostname
+    nixosConfigurations = {
+      galen = nixpkgs.lib.nixosSystem {
+        modules = [
+          home-manager.nixosModules.home-manager
+          {
+            home-manager.useGlobalPkgs = true;
+            home-manager.useUserPackages = true;
+          }
+          ./systems/galen/configuration.nix
+        ];
+      };
+    };
+  };
+}
+

programs/all.nix

@@ -0,0 +1,10 @@
+{ ... }:
+
+{
+  imports = [
+    ./default.nix
+    ./git.nix
+    ./home-manager.nix
+    ./lix.nix
+  ];
+}

programs/default.nix

@@ -0,0 +1,5 @@
+{ ... }:
+
+{
+  programs.git.enable = true;
+}

programs/git.nix

@@ -0,0 +1,10 @@
+{ ... }:
+
+{
+  programs.git = {
+    enable = true;
+    config = [{
+      init.defaultBranch = "main";
+    }];
+  };
+}

programs/home-manager.nix

@@ -0,0 +1,5 @@
+{ home-manager, ... }:
+
+{
+  home-manager.backupFileExtension = "backup";
+}

programs/lix.nix

@@ -0,0 +1,13 @@
+{ pkgs, ... }:
+
+{
+  nixpkgs.overlays = [ (final: prev: {
+    inherit (prev.lixPackageSets.stable)
+      nixpkgs-review
+      nix-eval-jobs
+      nix-fast-build
+      colmena;
+   }) ];
+
+  nix.package = pkgs.lixPackageSets.stable.lix;
+}

systems/galen/configuration.nix

@@ -0,0 +1,32 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [
+    ./hardware-configuration.nix
+    ../../all.nix
+  ];
+
+  users.mara.enable = true;
+
+  boot.loader.systemd-boot.enable = true;
+  boot.loader.efi.canTouchEfiVariables = true;
+
+  boot.kernelPackages = pkgs.linuxPackages_latest;
+
+  networking.hostName = "galen";
+  networking.networkmanager.enable = true;
+
+  time.timeZone = "Europe/Berlin";
+
+  i18n.defaultLocale = "en_IE.UTF-8";
+  console = {
+    keyMap = "de";
+  };
+
+  system.stateVersion = "25.11";
+}

systems/galen/hardware-configuration.nix

@@ -0,0 +1,32 @@
+# 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 + "/profiles/qemu-guest.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "ahci" "xhci_pci" "virtio_pci" "sr_mod" "virtio_blk" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-intel" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/637c5040-7824-4308-bb4b-32b486cb326d";
+      fsType = "ext4";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/1A25-9FA7";
+      fsType = "vfat";
+      options = [ "fmask=0077" "dmask=0077" ];
+    };
+
+  swapDevices =
+    [ { device = "/dev/disk/by-uuid/b89cb4bb-b75e-4479-9023-cc338835bb74"; }
+    ];
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+}

users/all.nix

@@ -0,0 +1,7 @@
+{ ... }:
+
+{
+  imports = [
+    ./mara/config.nix
+  ];
+}

users/home-default.nix

@@ -0,0 +1,11 @@
+{ osConfig, ... }:
+
+{
+  programs.home-manager.enable = true;
+  nixpkgs.config.allowUnfree = true;
+
+  home = {
+    stateVersion = osConfig.system.stateVersion;
+    enableNixpkgsReleaseCheck = false;
+  };
+}

users/mara/config.nix

@@ -0,0 +1,41 @@
+{ config, lib, pkgs, home-manager, ... }:
+
+let
+  cfg = config.users.mara;
+in
+
+with lib;
+
+{
+  options.users.mara.enable = mkEnableOption "Enable the user Mara";
+
+  config = mkIf cfg.enable {
+    home-manager.users.mara = { config, pkgs, ... }:
+
+    {
+      imports = [
+        ../home-default.nix
+        ./config/all.nix
+      ];
+
+      home = {
+        username = "mara";
+        homeDirectory = "/home/mara";
+      };
+    };
+
+    programs.fish.enable = true;
+
+    users.users.mara = {
+      isNormalUser = true;
+      description = "Mara";
+      extraGroups = [
+        "networkmanager"
+        "wheel"
+        "docker"
+        "adbusers"
+      ];
+      shell = pkgs.fish;
+    };
+  };
+}

users/mara/config/all.nix

@@ -0,0 +1,8 @@
+{ ... }:
+
+{
+  imports = [
+    ./fish.nix
+    ./helix.nix
+  ];
+}

users/mara/config/fish.nix

@@ -0,0 +1,24 @@
+{ ... }:
+
+{
+  programs.fish = {
+    enable = true;
+
+    interactiveShellInit = ''
+      set fish_greeting
+    '';
+    
+    functions = {
+      fish_prompt.body = ''
+        printf '%s %s > ' (set_color purple)(whoami)@(prompt_hostname) (set_color blue)(prompt_pwd)(set_color normal)
+      '';
+
+      fish_right_prompt.body = ''
+       set stat $status
+       set -g __fish_git_prompt_showupstream verbose
+       set -g __fish_git_prompt_showcolorhints 1
+       printf '%s %s' (fish_vcs_prompt) [(set_color red)$stat(set_color normal)]
+      '';
+    };
+  };
+}

users/mara/config/helix.nix

@@ -0,0 +1,32 @@
+{ pkgs, ... }:
+
+{
+  programs.helix = {
+    enable = true;
+    defaultEditor = true;
+
+    settings = {
+      theme = "catppuccin_macchiato";
+      editor = {
+        cursorline = true;
+        color-modes = true;
+        true-color = true;
+        cursor-shape.insert = "bar";
+        indent-guides.render = true;
+      };
+    };
+
+    languages.language = [
+      {
+        name = "nix";
+        auto-format = true;
+        formatter.command = "${pkgs.nixfmt}/bin/nixfmt";
+      }
+    ];
+
+    themes.catppuccin_macchiato = {
+      inherits = "catppuccin_macchiato";
+      "ui.background" = { };
+    };
+  };
+}