Update installer for sparse checkout

.forgejo/workflows/update-flake-lock.yml

@@ -22,8 +22,6 @@ jobs:
         --repository=http://dl-cdn.alpinelinux.org/alpine/edge/testing/
         git config --global user.email "${{github.actor}}"
         git config --global user.name "Albert J. Copeland"
-        echo "TEST:   ${{ secrets.TEST_SECRET  }}"
-        echo "TOKEN:  ${{ secrets.GITHUB_TOKEN }}"
     - uses: https://code.forgejo.org/actions/checkout@v3
       with:
         sparse-checkout: |

README.md

@@ -9,6 +9,13 @@ nixos-install <Hostname> [<Username>]
 ```
 nix develop -c /etc/nixos/git/docs/setup.sh
 ```
+* Sparse Checkout (for low RAM environments):
+```
+git clone --filter=blob:none --no-checkout https://git.sysctl.io/albert/nix git/
+cd git/
+git sparse-checkout set --cone docs/ home-manager/ keys/ssh/ lib/ nixos/ flake.lock flake.nix shell.nix
+git checkout main
+```
 
 ![Gruv'd Hyprland](./docs/screenshot.png "Hyprland with a Gruvboxy theme")
 ---

flake.nix

@@ -37,6 +37,7 @@
   in {
     nixosConfigurations = {
       # Virtual Machines
+      osaka-vultr-01 = lib.mkMinHost { hostname = "osaka-vultr-01"; };
       nixos-vm-01 = libx.mkHost { hostname = "nixos-vm-01"; };
       nixos-vm-02 = libx.mkHost { hostname = "nixos-vm-02"; desktop = "hyprland"; gpu = "intel"; theme = "gruvbox"; };
       # Physical Machines
@@ -46,7 +47,6 @@
       nixos-rpi4-02 = libx.mkHost { hostname = "nixos-rpi4-02";   platform = "aarch64-linux"; };
       nixos-rpi4-03 = libx.mkHost { hostname = "nixos-rpi4-03";   platform = "aarch64-linux"; };
     };
-
     homeConfigurations = {
       # Virtual Machines
       "albert@nixos-vm-01" = libx.mkHome { hostname = "nixos-vm-01"; };

lib/default.nix

@@ -32,6 +32,22 @@
     ];
   };
 
+  # Helper function for generating host configs
+  mkHost = { 
+    hostname, 
+    username  ? "albert",
+    desktop   ? null, 
+    gpu       ? null, 
+    platform  ? "x86_64-linux", 
+    theme     ? "default"
+  }: inputs.nixpkgs.lib.nixosSystem {
+    specialArgs = { inherit inputs outputs desktop hostname username stateVersion gpu platform theme; };
+    modules = [
+        ../nixos/minimal.nix
+        inputs.sops-nix.nixosModules.sops
+    ];
+  };
+
   # Combines mkHost and mkHome for image building
   mkImage = {
     hostname  , 

nixos/common/modules/installer.nix

@@ -15,10 +15,13 @@ if [ "$(id -u)" -eq 0 ]; then
 fi
 
 if [ ! -d "/tmp/nixos/git/.git" ]; then
-  git clone https://git.sysctl.io/albert/nix "/tmp/nixos/git"
+  git clone --filter=blob:none --no-checkout https://git.sysctl.io/albert/nix "/tmp/nixos/git"
+  cd /tmp/nixos/git
+  git sparse-checkout set --cone docs/ home-manager/ keys/ssh/ lib/ nixos/ flake.lock flake.nix shell.nix
+  git checkout main
 fi
 
-pushd "/tmp/nixos/git"
+pushd /tmp/nixos/git
 
 if [[ -z "$TARGET_HOST" ]]; then
   echo "ERROR! $(basename "$0") requires a hostname as the first argument"

nixos/hosts/osaka-vultr-01/default.nix

@@ -13,7 +13,7 @@
   networking.useDHCP = lib.mkDefault true;
   nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
   time.timeZone = "Asia/Tokyo";
-  networking.hostName = "nixos-osaka-vultr-01";
+  networking.hostName = "osaka-vultr-01";
 
   boot.loader.grub = {
     enableCryptodisk = true;

nixos/vultr.nix

@@ -0,0 +1,42 @@
+{ lib, config, pkgs, hostname, stateVersion, username, desktop, gpu, inputs, platform, theme, ... }: {
+  imports = [ 
+      # Services
+      ./common/services/openssh.nix
+      ./common/services/fail2ban.nix
+
+      # NixOS Modules
+      ./common/modules/networking.nix  # Initial Networking configs
+      ./common/modules/nixos.nix       # NixOS related items
+
+      ./users/${username}
+      ./hosts/${hostname}
+    ];
+
+  # List packages installed in system profile
+  environment.systemPackages = with pkgs; [
+    curl
+    rsync
+    git
+    duf
+    ncdu
+    du-dust
+    sops
+    gnupg
+  ];
+
+  # Select internationalisation properties.
+  i18n.defaultLocale = "en_US.UTF-8";
+  i18n.extraLocaleSettings = {
+    LC_ADDRESS = "en_US.UTF-8";
+    LC_IDENTIFICATION = "en_US.UTF-8";
+    LC_MEASUREMENT = "en_US.UTF-8";
+    LC_MONETARY = "en_US.UTF-8";
+    LC_NAME = "en_US.UTF-8";
+    LC_NUMERIC = "en_US.UTF-8";
+    LC_PAPER = "en_US.UTF-8";
+    LC_TELEPHONE = "en_US.UTF-8";
+    LC_TIME = "en_US.UTF-8";
+  };
+
+  system.stateVersion = stateVersion;
+}