(command.CommandList
  children: [
    (command.If
      arms: [
        (if_arm
          cond: [
            (command.Sentence
              child: 
                (C {(Lit_Other '[')} {(KW_Bang '!')} {(-f)} {(support/apply-reviews.py)} {(Lit_Other ']')})
              terminator: <Op_Semi ';'>
            )
          ]
          action: [
            (C {(echo)} {(SQ <'Please run this script from the root of Mesos source directory.'>)})
            (command.ControlFlow token:<ControlFlow_Exit exit> arg_word:{(1)})
          ]
          spids: [16777215 17]
        )
      ]
      spids: [16777215 31]
    )
    (C {(exec)} {(python)} {(support/apply-reviews.py)} {(DQ ($ VSub_At '$@'))})
  ]
)