overlayfs/internal/cmd_test/default_config.json

{
  "target": "./root_mount",
  "upper": "./upper",
  "work": "./workdir",
  "lower_mkdir": [
    [
      "./lower1",
      {
        "name": "lower_1.txt",
        "type": "file"
      },
      {
        "name": "dir1/lower_1.txt",
        "type": "file"
      }
    ],
    [
      "./lower2",
      {
        "name": "lower_2.txt",
        "type": "file"
      },
      {
        "name": "dir2/",
        "type": "dir"
      }
    ],
    [
      "./lower3",
      {
        "name": "lower_3.txt",
        "type": "file"
      },
      {
        "name": "dir2/dir3",
        "type": "dir"
      }
    ],
    [
      "./lower4",
      {
        "name": "dir2/dir3/lower_4.txt",
        "type": "file"
      }
    ]
  ]
}