{
  lib,
  stdenv,
  fetchurl,
  electron,
  makeWrapper,
  ...
}: let
  pname = "mattermost-desktop";
  version = "5.7.0";

  srcs = {
    "x86_64-linux" = {
      url = "https://releases.mattermost.com/desktop/${version}/${pname}-${version}-linux-x64.tar.gz";
      hash = "sha256-1xfU9+VzjhSVWsP1AYizphhQ2010GbQBgQ4dxvY3TBU=";
    };

    "aarch64-linux" = {
      url = "https://releases.mattermost.com/desktop/${version}/${pname}-${version}-linux-arm64.tar.gz";
      hash = "sha256-RrH+R9IuokKK+zfmCmOt38hD1HvWJbKqmxTFhQ3RcqQ=";
    };
  };

  inherit (stdenv.hostPlatform) system;
in
  lib.warn "Mattermost is broken on nixpkgs-unstable. Needs an electron update. Remove if fixed" (stdenv.mkDerivation {
    inherit pname version;

    src = fetchurl (srcs."${system}" or (throw "Unsupported system ${system}"));

    nativeBuildInputs = [makeWrapper];

    installPhase = ''
      runHook preInstall

      # Mattermost tarball comes with executable bit set for everything.
      # We’ll apply it only to files that need it.
      find . -type f -print0 | xargs -0 chmod -x
      find . -type f \( -name '*.so.*' -o -name '*.s[oh]' \) -print0 | xargs -0 chmod +x
      chmod +x mattermost-desktop chrome-sandbox

      mkdir -p $out/bin $out/share/applications $out/share/${pname}/
      cp -r app_icon.png create_desktop_file.sh locales/ resources/* $out/share/${pname}/

      patchShebangs $out/share/${pname}/create_desktop_file.sh
      $out/share/${pname}/create_desktop_file.sh
      rm $out/share/${pname}/create_desktop_file.sh
      mv Mattermost.desktop $out/share/applications/Mattermost.desktop
      substituteInPlace $out/share/applications/Mattermost.desktop \
        --replace /share/mattermost-desktop/mattermost-desktop /bin/mattermost-desktop

      makeWrapper '${lib.getExe electron}' $out/bin/${pname} \
        --set-default ELECTRON_IS_DEV 0 \
        --add-flags $out/share/${pname}/app.asar \
        --add-flags "\''${NIXOS_OZONE_WL:+\''${WAYLAND_DISPLAY:+--ozone-platform-hint=auto --enable-features=WaylandWindowDecorations}}"

      runHook postInstall
    '';

    meta = with lib; {
      description = "Mattermost Desktop client";
      mainProgram = "mattermost-desktop";
      homepage = "https://about.mattermost.com/";
      sourceProvenance = with sourceTypes; [binaryNativeCode];
      license = licenses.asl20;
      platforms = ["x86_64-linux" "aarch64-linux"];
      maintainers = [maintainers.joko];
    };
  })