nixpkgs/pkgs/games/steam/steam.nix

{ lib, stdenv, fetchurl, runtimeShell, traceDeps ? false, bash }:

let
  traceLog = "/tmp/steam-trace-dependencies.log";
  version = "1.0.0.74";

in stdenv.mkDerivation {
  pname = "steam-original";
  inherit version;

  src = fetchurl {
    # use archive url so the tarball doesn't 404 on a new release
    url = "https://repo.steampowered.com/steam/archive/stable/steam_${version}.tar.gz";
    sha256 = "sha256-sO07g3j1Qejato2LWJ2FrW3AzfMCcBz46HEw7aKxojQ=";
  };

  makeFlags = [ "DESTDIR=$(out)" "PREFIX=" ];

  postInstall = ''
    rm $out/bin/steamdeps
    ${lib.optionalString traceDeps ''
      cat > $out/bin/steamdeps <<EOF
      #!${runtimeShell}
      echo \$1 >> ${traceLog}
      cat \$1 >> ${traceLog}
      echo >> ${traceLog}
      EOF
      chmod +x $out/bin/steamdeps
    ''}

    # install udev rules
    mkdir -p $out/etc/udev/rules.d/
    cp ./subprojects/steam-devices/*.rules $out/etc/udev/rules.d/
    substituteInPlace $out/etc/udev/rules.d/60-steam-input.rules \
      --replace "/bin/sh" "${bash}/bin/bash"

    # this just installs a link, "steam.desktop -> /lib/steam/steam.desktop"
    rm $out/share/applications/steam.desktop
    sed -e 's,/usr/bin/steam,steam,g' steam.desktop > $out/share/applications/steam.desktop
  '';

  meta = with lib; {
    description = "Digital distribution platform";
    longDescription = ''
      Steam is a video game digital distribution service and storefront from Valve.

      To install on NixOS, please use the option `programs.steam.enable = true`.
    '';
    homepage = "https://store.steampowered.com/";
    license = licenses.unfreeRedistributable;
    maintainers = with maintainers; [ jagajaga ];
    mainProgram = "steam";
  };
}