{
  "$schema": "https://json-schema.org/draft-07/schema",
  "title": "NAR listing",
  "type": "object",
  "additionalProperties": false,
  "required": ["version", "root"],
  "properties": {
    "version": {"const": 1},
    "root": {
      "$ref": "#/definitions/fso",
      "description": "The store object's filesystem object"
    }
  },
  "definitions": {
    "fso": {
      "oneOf": [
        {
          "type": "object",
          "additionalProperties": false,
          "required": ["type", "size", "narOffset"],
          "properties": {
            "type": {
              "const": "regular",
              "description": "A file"
            },
            "executable": {
              "type": "boolean",
              "description": "Whether the file has executable bits set",
              "default": false
            },
            "size": {
              "type": "integer",
              "description": "Size of the file in bytes",
              "minimum": 0
            },
            "narOffset": {
              "type": "integer",
              "description": "Offset of the first byte of the file's content relative to the beginning of the NAR file",
              "minimum": 0
            }
          }
        },
        {
          "type": "object",
          "additionalProperties": false,
          "required": ["type", "entries"],
          "properties": {
            "type": {
              "const": "directory",
              "description": "A directory"
            },
            "entries": {
              "type": "object",
              "description": "Contents of the directory",
              "propertyNames": {"minLength": 1},
              "additionalProperties": {
                "$ref": "#/definitions/fso"
              }
            }
          }
        },
        {
          "type": "object",
          "additionalProperties": false,
          "required": ["type", "target"],
          "properties": {
            "type": {
              "const": "symlink",
              "description": "A symbolic link"
            },
            "target": {
              "type": "string",
              "description": "The link's destination"
            }
          }
        }
      ]
    }
  }
}