anchor.diff:  , protobufc
   , python
   , lxc
  +, writeText
  +, writeScript
  +, runtimeShell
   }:
  +
  +let
  +
  +  dbus-service = writeText "org.anbox.service" ''
  +    [D-BUS Service]
  +    Name=org.anbox
  +    Exec=@out@/libexec/anbox-session-manager
  +  '';
  +
  +  anbox-application-manager = writeScript "anbox-application-manager" ''
  +    #!${runtimeShell}
  +
  +    ${systemd}/bin/busctl --user call \
  +        org.freedesktop.DBus \
  +        /org/freedesktop/DBus \
  +        org.freedesktop.DBus \
  +        StartServiceByName "su" org.anbox 0
  +
  +    @out@/bin/anbox launch --package=org.anbox.appmgr --component=org.anbox.appmgr.AppViewActivity
  +  '';
  +
  +in
   
   stdenv.mkDerivation rec {
     pname = "anbox";
  -  version = "2019-03-07";
  +  version = "unstable-2019-03-07";
   
     src = fetchFromGitHub {
       owner = pname;
  
positive.code: 
    meta = with stdenv.lib; {
      homepage = https://anbox.io;
      description = "Android in a box.";
      license = licenses.gpl2;
      maintainers = with maintainers; [ edwtjo ];
      platforms = platforms.linux;
  
negative.code:     sha256 = "1wfx4bsyxvrjl16dq5pqgial8rnnsnxzbak2ap0waddz847czxwz";
    };
  
    nativeBuildInputs = [
      makeWrapper
    ];
  
    buildInputs = [
      cmake pkgconfig dbus boost libcap gtest systemd mesa glib
      SDL2 SDL2_image protobuf protobufc properties-cpp lxc python
      libGL
    ];
  
    patchPhase = ''
  