{
  "name": "chsh",
  "description": "Change your login shell",
  "options": [
    {
      "names": [
        "-s",
        "--shell"
      ],
      "description": "Specify login shell",
      "args": [
        {
          "name": "shell",
          "generators": [
            {
              "script": [
                "chsh",
                "-l"
              ]
            }
          ]
        }
      ]
    },
    {
      "names": [
        "-l",
        "--list-shells"
      ],
      "description": "Print list of shells and exit"
    },
    {
      "names": [
        "-u",
        "-h",
        "--help"
      ],
      "description": "Print help message and exit"
    },
    {
      "names": [
        "-v",
        "--version"
      ],
      "description": "Print version and exit"
    }
  ],
  "args": [
    {
      "name": "username",
      "description": "Target user",
      "isOptional": true
    }
  ]
}