==================
user command
==================

foo:
  USER foo

---

    (source_file
      (target
        name: (identifier)
        (block
          (user_command
            user: (identifier)))))


==================
user command with group
==================

foo:
  USER foo:admin

---

    (source_file
      (target
        name: (identifier)
        (block
          (user_command
            user: (identifier)
            group: (identifier)))))


==================
user command with udi/gid
==================

foo:
  USER 10:10

---

    (source_file
      (target
        name: (identifier)
        (block
          (user_command
            user: (number)
            group: (number)))))

