env FOO=BAR
exec hof flow in.cue
cmp stdout golden.stdout

-- in.cue --
@flow()

nested: {
  @task(nest)

  get: {
    @task(os.Getenv)
    FOO: _
  }

  out: { text: get.FOO + "\n" } @task(os.Stdout)
}

-- golden.stdout --
BAR
