{
    "variables": {
        "build_timestamp": "{{timestamp}}",
        "temp_directory": "{{template_dir}}",
        "uuid": "{{uuid}}",
        "env_test": "{{env `TEST_ENV`}}",
        "lower": "{{lower `HELLO`}}",
        "upper": "{{upper `hello`}}",
        "pwd": "{{pwd}}",
        "replace": "{{replace `b` `c` 2 `ababa`}}",
        "replace_all": "{{replace_all `b` `c` `ababa`}}",
        "split": "{{split `aba` `b` 1}}",
        "iso_datetime": "{{isotime `2006-01-02T15:04:05Z07:00`}}"
    },
    "builders": [{
        "type": "null",
        "communicator": "none"
    }],
    "provisioners": [{
        "type": "shell-local",
        "inline": [
            "echo {{ user `build_timestamp`}}",
            "echo {{ user `temp_directory`}}",
            "echo {{ user `iso_datetime`}}",
            "echo {{ user `uuid`}}",
            "echo {{ user `env_test`}}",
            "echo {{ user `lower`}}",
            "echo {{ user `upper`}}",
            "echo {{ user `pwd`}}",
            "echo {{ user `replace`}}",
            "echo {{ user `replace_all`}}",
            "echo {{ user `split`}}"
        ]
    }]
}