flatpak-builder/tests/module2.json

{
    "name": "module2",
    "buildsystem": "simple",
    "ensure-writable": [ "/modify_me"],
    "build-commands": [
        "echo module2 > /app/ran_module2",
        "echo module2 > /app/modify_me"
    ],
    "sources": [
      {
          "type": "file",
          "path": "data2"
      },
      {
          "type": "patch",
          "path": "data2.patch"
      }
    ]
}