Installer doom-ii-hell-on-earth-steam-brutal-doom-ii

{
  "game_slug": "doom-ii-hell-on-earth",
  "version": "Steam Brutal Doom II",
  "description": null,
  "notes": "",
  "name": "Doom II: Hell on Earth",
  "year": 1994,
  "steamid": 2300,
  "gogslug": "doom_ii",
  "humblestoreid": "",
  "runner": "zdoom",
  "slug": "doom-ii-hell-on-earth-steam-brutal-doom-ii",
  "installer_slug": "doom-ii-hell-on-earth-steam-brutal-doom-ii",
  "script": {
    "files": [
      {
        "wad-data": "$STEAM:2300:base"
      },
      {
        "brutal": "https://lutris.robloach.net/bd21testApr25.zip"
      },
      {
        "music": "http://www.doom2.net/doomdepot/wads/musicwads/D2-pcmus.WAD"
      }
    ],
    "game": {
      "files": [
        "bd21testApr25.pk3",
        "D2-pcmus.WAD"
      ],
      "main_file": "DOOM2.WAD"
    },
    "installer": [
      {
        "extract": {
          "dst": "$GAMEDIR",
          "file": "brutal"
        }
      },
      {
        "merge": {
          "dst": "$GAMEDIR",
          "src": "wad-data"
        }
      },
      {
        "move": {
          "dst": "$GAMEDIR",
          "src": "$music"
        }
      }
    ]
  }
}