(CommandList
  children: [
    (Pipeline
      children: [
        (C {(env)})
        (SimpleCommand
          words: [{(grep)} {(MESOS_SOURCE_DIR)}]
          redirects: [(Redir op_id:Redir_Great fd:-1 arg_word:{(/dev/null)} spids:[16])]
        )
      ]
      negated: False
    )
    (AndOr
      children: [
        (C {(test)} {($ VSub_QMark "$?")} {(KW_Bang "!") (Lit_Other "=")} {(0)})
        (AndOr
          children: [
            (C {(echo)} {(DQ ("Failed to find MESOS_SOURCE_DIR in environment"))})
            (C {(exit)} {(1)})
          ]
          op_id: Op_DAmp
        )
      ]
      op_id: Op_DAmp
    )
    (Pipeline
      children: [
        (C {(env)})
        (SimpleCommand
          words: [{(grep)} {(MESOS_BUILD_DIR)}]
          redirects: [(Redir op_id:Redir_Great fd:-1 arg_word:{(/dev/null)} spids:[56])]
        )
      ]
      negated: False
    )
    (AndOr
      children: [
        (C {(test)} {($ VSub_QMark "$?")} {(KW_Bang "!") (Lit_Other "=")} {(0)})
        (AndOr
          children: [
            (C {(echo)} {(DQ ("Failed to find MESOS_BUILD_DIR in environment"))})
            (C {(exit)} {(1)})
          ]
          op_id: Op_DAmp
        )
      ]
      op_id: Op_DAmp
    )
    (C {(source)} {(${ VSub_Name MESOS_SOURCE_DIR) (/support/colors.sh)})
    (C {(source)} {(${ VSub_Name MESOS_SOURCE_DIR) (/support/atexit.sh)})
    (C {(source)} {(${ VSub_Name MESOS_HELPER_DIR) (/colors.sh)})
    (C {(source)} {(${ VSub_Name MESOS_HELPER_DIR) (/atexit.sh)})
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:MESOS_WORK_DIR)
          op: Equal
          rhs: 
            {
              (CommandSubPart
                command_list: (CommandList children:[(C {(mktemp)} {(-d)} {(-t)} {(mesos-XXXXXX)})])
                left_token: <Left_Backtick "`">
                spids: [119 127]
              )
            }
          spids: [118]
        )
      ]
      spids: [118]
    )
    (C {(atexit)} {(DQ ("rm -rf ") (${ VSub_Name MESOS_WORK_DIR))})
    (C {(export)} {(Lit_VarLike "MESOS_WORK_DIR=") (${ VSub_Name MESOS_WORK_DIR)})
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:MESOS_RUNTIME_DIR)
          op: Equal
          rhs: 
            {
              (CommandSubPart
                command_list: (CommandList children:[(C {(mktemp)} {(-d)} {(-t)} {(mesos-XXXXXX)})])
                left_token: <Left_Backtick "`">
                spids: [148 156]
              )
            }
          spids: [147]
        )
      ]
      spids: [147]
    )
    (C {(atexit)} {(DQ ("rm -rf ") (${ VSub_Name MESOS_RUNTIME_DIR))})
    (C {(export)} {(Lit_VarLike "MESOS_RUNTIME_DIR=") (${ VSub_Name MESOS_RUNTIME_DIR)})
    (C {(export)} {(Lit_VarLike "MESOS_AUTHENTICATION_TIMEOUT=") (200ms)})
    (C {(export)} {(Lit_VarLike "MESOS_NUM_SLAVES=") (3)})
    (C {(export)} {(Lit_VarLike "MESOS_ISOLATION=") (DQ ("filesystem/posix,posix/cpu,posix/mem"))})
    (C {(export)} {(Lit_VarLike "MESOS_LAUNCHER=") (DQ (posix))})
    (C {(exec)} {(${ VSub_Name MESOS_HELPER_DIR) (/persistent-volume-framework)} 
      {(--master) (Lit_Other "=") (Assign_Local local)}
    )
  ]
)