anchor.diff:  
     androidndk = import ./androidndk.nix {
       inherit (buildPackages)
  -      p7zip makeWrapper;
  +      unzip makeWrapper;
       inherit (pkgs)
         stdenv fetchurl zlib ncurses5 lib python3 libcxx
         coreutils file findutils gawk gnugrep gnused jdk which;
  
positive.code: 
    androidndk_10e = import ./androidndk.nix {
      inherit (buildPackages)
        p7zip makeWrapper;
      inherit (pkgs)
        stdenv fetchurl zlib ncurses5 lib python3 libcxx
        coreutils file findutils gawk gnugrep gnused jdk which;
  
negative.code: 
    androidndk_16b = import ./androidndk.nix {
      inherit (buildPackages)
         unzip makeWrapper;
      inherit (pkgs)
        stdenv fetchurl zlib ncurses5 lib python3 libcxx
        coreutils file findutils gawk gnugrep gnused jdk which;
  