feat: homelab module and command

hosts/homex/configuration.nix

@@ -8,11 +8,23 @@
   imports = [
     ../../modules/nixos/systems/set-user.nix
     ../../modules/nixos/config/host.nix
+    ../../modules/nixos/homelab
     ./hardware-configuration.nix
     ./network.nix
     ./users
   ];
 
+  homelab = {
+    enable = true;
+    flakeDir = "/home/guz/.nix#homex";
+
+    forgejo = {
+      enable = true;
+    };
+  };
+
+  services.tailscale.enable = true;
+
   # Bootloader.
   boot.loader.systemd-boot.enable = true;
   boot.loader.efi.canTouchEfiVariables = true;
@@ -21,3 +33,4 @@
   nixpkgs.config.allowUnfree = true;
 
 }
+

modules/nixos/homelab/default.nix

@@ -0,0 +1,35 @@
+{ config, pkgs, lib, ... }:
+
+let
+  cfg = config.homelab;
+  homelab = pkgs.writeShellScriptBin "homelab" ''
+    command="$1";
+
+    flakeDir="${toString cfg.flakeDir}";
+
+    if [[ "$command" == "build" ]]; then
+      shift 1;
+      sudo nixos-rebuild switch --flake "$flakeDir" "$@"
+    fi
+  '';
+in
+{
+  imports = [
+  ];
+  options.homelab = with lib; with lib.types; {
+    enable = mkEnableOption "";
+    flakeDir = mkOption {
+      type = str;
+    };
+    storage = mkOption {
+      type = path;
+      default = /data/homelab;
+      description = "The Homelab central storage path";
+    };
+  };
+  config = lib.mkIf cfg.enable {
+    environment.systemPackages = [
+      homelab
+    ];
+  };
+}

modules/nixos/homelab/forgejo.nix

@@ -0,0 +1,33 @@
+{ config, lib, pkgs, ... }:
+
+let
+  cfg = config.homelab.forgejo;
+in
+{
+  imports = [ ];
+  options.homelab.forgejo = with lib; with lib.types; {
+    enable = mkEnableOption "";
+    user = mkOption {
+      type = str;
+      default = "forgejo";
+    };
+    data = {
+      root = mkOption {
+        type = path;
+        default = config.homelab.storage + /forgejo;
+      };
+    };
+  };
+  config = lib.mkIf cfg.enable {
+    services.forgejo = {
+      enable = true;
+      user = cfg.user;
+      group = cfg.user;
+      stateDir = toString cfg.data.root;
+      database = {
+        user = cfg.user;
+        type = "sqlite3";
+      };
+    };
+  };
+}