Add nix-on-droid script

default.nix

@@ -1,39 +1,5 @@
-# Licensed under GNU Lesser General Public License v3 or later, see COPYING.
-# Copyright (c) 2019 Alexander Sosedkin and other contributors, see AUTHORS.
-
-{ }:
-
-let
-  nixpkgs = import <nixpkgs> { };
-
-  pkgs = import ./src {
-    arch = if nixpkgs.stdenv.hostPlatform.isArm then "aarch64" else "i686";
-    initialBuild = false;
-  };
-in
+{ pkgs ? import <nixpkgs> { } }:
 
 {
-  # inherit (pkgs) proot-termux;
-
-  basic-environment = nixpkgs.buildEnv {
-    name = "basic-environment";
-
-    paths = [
-      nixpkgs.bashInteractive
-      nixpkgs.cacert
-      nixpkgs.coreutils
-      nixpkgs.less  # since nix tools really want a pager available, #27
-      nixpkgs.nix
-      # pkgs.proot-termux
-      pkgs.files.etc-group
-      pkgs.files.etc-passwd
-      pkgs.files.hm-install
-      pkgs.files.home-nix-default
-      pkgs.files.login
-      pkgs.files.login-inner
-      pkgs.files.nix-conf
-      pkgs.files.nix-on-droid-linker
-      pkgs.files.resolv-conf
-    ];
-  };
-} // pkgs.files
+  nix-on-droid = pkgs.callPackage ./nix-on-droid { };
+}