(C {<exec>} 
  {
    (DQ 
      (command_sub
        left_token: <Id.Left_DollarParen '$('>
        child: (C {<dirname>} {(${ Id.VSub_Name BASH_SOURCE)})
        right: <Id.Eof_RParen _>
      )
    ) <'/run_docker_compose.sh'>
  } {<run_site>}
)