wine: 3.0 -> 3.3

  unstable = fetchurl rec {

    # NOTE: Don't forget to change the SHA256 for staging as well.

    version = "3.0";

    url = "https://dl.winehq.org/wine/source/3.0/wine-${version}.tar.xz";

    sha256 = "1v7vq9iinkscbq6wg85fb0d2137660fg2nk5iabxkl2wr850asil";

    version = "3.3";

    url = "https://dl.winehq.org/wine/source/3.x/wine-${version}.tar.xz";

    sha256 = "0cx31jsll7mxd9r7v0vpahajqwb6da6cpwybv06l5ydkgfrbv505";

    inherit (stable) mono gecko32 gecko64;

  };

  staging = fetchFromGitHub rec {

    # https://github.com/wine-compholio/wine-staging/releases

    inherit (unstable) version;

    # FIXME update winestaging sources, when 3.0 is released

    # FIXME update winestaging sources, when 3.3 is released

    # FIXME then revert the staging derivation in ./default.nix

    sha256 = "1qznp4kgss4mhk1vvr91jmszsi47xg312r64l76jkgwijhypmvb7";

    owner = "wine-compholio";

    sha256 = "0000000000000000000000000000000000000000000000000000000000000000";

    owner = "wine-staging";

    repo = "wine-staging";

    rev = "v${version}";

  };