feat(flake): add initial nix-on-droid configuration

flake.nix

@@ -6,6 +6,12 @@
 
     home-manager.inputs.nixpkgs.follows = "nixpkgs";
 
+    nix-on-droid = {
+      url = "github:nix-community/nix-on-droid/release-23.11";
+      inputs.nixpkgs.follows = "nixpkgs";
+      inputs.home-manager.follows = "home-manager";
+    };
+
     hardware.url = "github:nixos/nixos-hardware";
 
     nix-colors.url = "github:misterio77/nix-colors";
@@ -83,7 +89,7 @@
   };
 
 
-  outputs = { self, nixpkgs, home-manager, ... }@inputs:
+  outputs = { self, nixpkgs, home-manager, nix-on-droid, ... }@inputs:
     let
       inherit (self) outputs;
       lib = nixpkgs.lib // home-manager.lib;
@@ -151,5 +157,14 @@
           extraSpecialArgs = { inherit inputs outputs; };
       };
     };
+    nixOnDroidConfigurations.default = nix-on-droid.lib.nixOnDroidConfiguration {
+      modules = [ ./system/hosts/ooksphone ];
+      extraSpecialArgs = { inherit inputs outputs; };
+      pkgs = import nixpkgs {
+        system = "aarch64-linux";
+        overlays = [ nix-on-droid.overlays.default ];
+      };
+      home-manager-path = home-manager.outPath;
+    };
   };
 }

system/hosts/ooksphone/default.nix

@@ -0,0 +1,46 @@
+{ config, lib, pkgs, ... }:
+
+{
+  # Simply install just the packages
+  environment.packages = with pkgs; [
+    # User-facing stuff that you really really want to have
+    helix # or some other editor, e.g. nano or neovim
+    git
+    killall
+    hostname
+    man
+    coreutils
+  ];
+
+  environment.etcBackupExtension = ".bak";
+
+  system.stateVersion = "23.11";
+
+  nix.extraOptions = ''
+    experimental-features = nix-command flakes
+  '';
+
+  time.timeZone = "Pacific/Auckland";
+
+  user = {
+    userName = "ooks";
+    home = "/data/data/com.termux.nix/files/ooks/home";
+    shell = "${pkgs.fish}/bin/fish";
+  };
+
+  # Configure home-manager
+  home-manager = {
+    backupFileExtension = "hm-bak";
+    useGlobalPkgs = true;
+
+    config =
+      { config, lib, pkgs, ... }:
+      {
+        imports = [ ../../../home/modules/console/editor ];
+
+        homeModules.home.console.editor.helix.enable = true;
+
+        home.stateVersion = "23.11";
+      };
+  };
+}