{
  lib,
  fetchgit,
  makeWrapper,
  nodejs,
  buildNpmPackage,
  inspectorPort ? null,
}:
buildNpmPackage {
  pname = "out-of-your-element";
  version = "0";
  src = fetchgit {
    url = "https://gitdab.com/cadence/out-of-your-element.git";
    rev = "d0f7d79d78e1014f9f0357dd29a32601f006b242";
    sha256 = "sha256-YdEyE0Dq1trHOOS3GqL4u1S7Lr0TvAWPZ4J5Ho1uO5w=";
  };
  npmDepsHash = "sha256-hBHhX4my4fB5a6Khzwa1kOrVGn53tNBSK17bG0sh594=";
  dontNpmBuild = true;
  makeCacheWritable = true; # For some reason - broken on this version

  nativeBuildInputs = [ makeWrapper ];

  installPhase =
    let
      enableInspector = inspectorPort != null;
      extraNodeFlags = lib.optionalString enableInspector "--inspect=127.0.0.1:${inspectorPort}";
    in
    ''
      runHook preInstall

      mkdir -p $out/share
      cp -a . $out/share/ooye
    ''
    + (if enableInspector then "echo 'Enabling Node.js inspector'; sed -i '1i\\#!/usr/bin/env node --inspect' $out/share/ooye/start.js" else "")
    + ''
      makeWrapper ${nodejs}/bin/node $out/bin/matrix-ooye --add-flags ${extraNodeFlags} $out/share/ooye/start.js
      makeWrapper ${nodejs}/bin/node $out/bin/matrix-ooye-addbot --add-flags $out/share/ooye/addbot.js

      runHook postInstall
    '';

  meta = {
    description = "Matrix-Discord bridge with modern features.";
    homepage = "https://gitdab.com/cadence/out-of-your-element";
    longDescription = ''
      Modern Matrix-to-Discord appservice bridge, created by @cadence:cadence.moe.
    '';
    license = lib.licenses.gpl3;
    maintainers = with lib.maintainers; [ RorySys ];
    mainProgram = "matrix-ooye";
  };
}