{ sources ? import ../npins, pkgs ? import sources.nixpkgs {}, lib ? pkgs.lib, android ? import sources.android {} }:
let
  apt2-version = "7.4.2-8841542";
  aapt2 = (pkgs.callPackage "${sources.android}/pkgs/aapt2" { }).overrideAttrs (final: old: {
    name = "aapt2-${apt2-version}";

  src = pkgs.fetchurl {
    url = "https://maven.google.com/com/android/tools/build/aapt2/${apt2-version}/aapt2-${apt2-version}-linux.jar";
    sha256 = "sha256-bHKE8i7QbE0UFgn1TW4gzPj7MBV7t/PVo+Txd6jW0wE=";
  };
  });
  androidSdk = android.sdk (sdkPkgs: with sdkPkgs; [
    cmdline-tools-latest
    build-tools-30-0-3
    platform-tools
    platforms-android-30
    emulator
  ]);

in lib.makeScope pkgs.newScope (self: with self; {
  inherit androidSdk aapt2;

  gradle = pkgs.gradle_7;

  updateLocks = callPackage ./update-locks.nix { };
    
  buildMavenRepo = callPackage ./maven-repo.nix { };
  
  mavenRepo = buildMavenRepo {
    name = "nix-maven-repo";
    repos = [
      "https://dl.google.com/dl/android/maven2"
      "https://repo1.maven.org/maven2"
      "https://maven.pkg.jetbrains.space/kotlin/p/kotlin/dev"
      "https://plugins.gradle.org/m2"
    ];
    deps = builtins.fromJSON (builtins.readFile ./deps.json);
  };
  
  builtWithGradle = callPackage ./build.nix { };
})