depot/pkgs/servers/matrix-synapse/wrapper.nix

{
  lib,
  stdenv,
  makeWrapper,
  matrix-synapse-unwrapped,
  extras ?
    [
      "postgres"
      "url-preview"
      "user-search"
    ]
    ++ lib.optional (lib.meta.availableOn stdenv.hostPlatform matrix-synapse-unwrapped.python.pkgs.systemd) "systemd",
  plugins ? [ ],
  ...
}:

let
  extraPackages = lib.concatMap (extra: matrix-synapse-unwrapped.optional-dependencies.${extra}) (
    lib.unique extras
  );

  pythonEnv = matrix-synapse-unwrapped.python.buildEnv.override {
    extraLibs = extraPackages ++ plugins;
  };

  searchPath = "${pythonEnv}/${matrix-synapse-unwrapped.python.sitePackages}";
in
stdenv.mkDerivation {
  name = (lib.appendToName "wrapped" matrix-synapse-unwrapped).name;

  nativeBuildInputs = [
    makeWrapper
  ];

  buildCommand = ''
    for bin in ${matrix-synapse-unwrapped}/bin/*; do
      echo $bin
      makeWrapper "$bin" "$out/bin/$(basename $bin)" \
        --set PYTHONPATH ${searchPath}
    done;
  '';

  passthru = {
    unwrapped = matrix-synapse-unwrapped;

    # for backward compatibility
    inherit (matrix-synapse-unwrapped) plugins tests tools;
  };

  # Carry the maintainer, licenses, and various useful information.
  inherit (matrix-synapse-unwrapped) meta;
}