feat(phone): set up 'nix-on-droid'

flake.nix

@@ -22,6 +22,11 @@
       url = "github:nix-community/home-manager";
       inputs.nixpkgs.follows = "nixpkgs";
     };
+    nix-on-droid = {
+      url = "github:nix-community/nix-on-droid/release-24.05";
+      inputs.nixpkgs.follows = "nixpkgs";
+      inputs.home-manager.follows = "home-manager";
+    };
     nixgl = {
       url = "github:nix-community/nixGL";
       inputs.nixpkgs.follows = "nixpkgs";
@@ -49,6 +54,7 @@
       sops-nix,
       nix-secrets,
       home-manager,
+      nix-on-droid,
       nixgl,
       firefox-addons,
       nvim,
@@ -88,6 +94,22 @@
           };
         };
       };
+      # https://github.com/nix-community/nix-on-droid/blob/master/templates/advanced/flake.nix
+      nixOnDroidConfigurations = {
+        default = nix-on-droid.lib.nixOnDroidConfiguration {
+          modules = [ ./phone ];
+          extraSpecialArgs = {
+            inherit inputs outputs dotsPath;
+          };
+          pkgs = import nixpkgs {
+            system = "aarch64-linux";
+            overlays = [
+              nix-on-droid.overlays.default
+            ];
+          };
+          home-manager-path = home-manager.outPath;
+        };
+      };
 
       colmenaHive = import ./deploy/colmena.nix {
         inherit

phone/default.nix

@@ -0,0 +1,26 @@
+{
+  pkgs,
+  ...
+}:
+
+{
+  environment.packages = with pkgs; [
+    inputs.nvim.packages.x86_64-linux.nvim
+  ];
+
+  environment.etcBackupExtension = ".bak";
+
+  system.stateVersion = "24.05";
+
+  nix.extraOptions = ''
+    experimental-features = nix-command flakes
+  '';
+
+  time.timeZone = "Europe/Brussels";
+
+  home-manager = {
+    config = ./home.nix;
+    backupFileExtension = "hm-bak";
+    useGlobalPkgs = true;
+  };
+}

phone/home.nix

@@ -0,0 +1,3 @@
+{
+  home.stateVersion = "24.05";
+}