(command.CommandList
  children: [
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:TOOLPATH)
          op: assign_op.Equal
          rhs: {(/sbin)}
          spids: [18]
        )
      ]
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:DISKCOMMAND)
          op: assign_op.Equal
          rhs: {(sgdisk)}
          spids: [24]
        )
      ]
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:ZAPFLAGS)
          op: assign_op.Equal
          rhs: {(DQ (-Zog))}
          spids: [30]
        )
      ]
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:GUARDFILE)
          op: assign_op.Equal
          rhs: {(/etc/ceph-disks-zapped)}
          spids: [35]
        )
      ]
    )
    (command.If
      arms: [
        (if_arm
          cond: [
            (command.Sentence
              child: 
                (command.Pipeline
                  children: [
                    (command.Simple
                      words: [{(dpkg)} {(-s)} {(gdisk)}]
                      redirects: [
                        (redir.Redir
                          op: (Token id:Id.Redir_Great val:'2>' span_id:47)
                          fd: 2
                          arg_word: {(/dev/null)}
                        )
                      ]
                    )
                    (C {(grep)} {(-q)} {(Status.) (Id.Lit_Star '*') (installed)})
                  ]
                  negated: F
                )
              terminator: (Token id:Id.Op_Semi val:';' span_id:59)
            )
          ]
          action: [(C {(echo)} {(DQ ('gdisk is installed'))})]
          spids: [39 61]
        )
      ]
      else_action: [
        (C {(echo)} {(DQ ('install gdisk...'))})
        (C {(apt-get)} {(install)} {(--allow-unauthenticated)} {(-y)} {(gdisk)})
      ]
    )
    (command.If
      arms: [
        (if_arm
          cond: [
            (command.Sentence
              child: 
                (command.DBracket
                  expr: 
                    (bool_expr.Unary
                      op_id: Id.BoolUnary_z
                      child: 
                        {
                          (command_sub
                            left_token: (Token id:Id.Left_Backtick val:'`' span_id:98)
                            command_list: 
                              (command.CommandList
                                children: [(C {(which)} {($ Id.VSub_DollarName '$DISKCOMMAND')})]
                              )
                          )
                        }
                    )
                )
              terminator: (Token id:Id.Op_Semi val:';' span_id:107)
            )
          ]
          action: [
            (C {(echo)} {(DQ ("can't find '") ($ Id.VSub_DollarName '$DISKCOMMAND') ("'"))})
            (command.ControlFlow
              token: (Token id:Id.ControlFlow_Exit val:exit span_id:121)
            )
          ]
          spids: [92 109]
        )
      ]
    )
    (command.If
      arms: [
        (if_arm
          cond: [
            (command.Sentence
              child: 
                (command.DBracket
                  expr: 
                    (bool_expr.LogicalNot
                      child: 
                        (bool_expr.Unary
                          op_id: Id.BoolUnary_f
                          child: {($ Id.VSub_DollarName '$GUARDFILE')}
                        )
                    )
                )
              terminator: (Token id:Id.Op_Semi val:';' span_id:140)
            )
          ]
          action: [
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:mounted_whole_disks)
                  op: assign_op.Equal
                  rhs: 
                    {
                      (command_sub
                        left_token: (Token id:Id.Left_DollarParen val:'$(' span_id:150)
                        command_list: 
                          (command.CommandList
                            children: [
                              (command.Pipeline
                                children: [
                                  (C {(df)} {(-kh)})
                                  (C {(cut)} {(-f)} {(1)} 
                                    {(-d) (SQ (Token id:Id.Lit_Chars val:' ' span_id:165))}
                                  )
                                  (C {(tail)} {(-n) (Id.Lit_Other '+') (2)})
                                  (C {(grep)} {(SQ (Token id:Id.Lit_Chars val:'^/dev/sd' span_id:181))})
                                  (C {(sed)} {(SQ (Token id:Id.Lit_Chars val:'s/[0-9]/|/' span_id:189))})
                                  (C {(sort)} {(-u)})
                                ]
                                negated: F
                              )
                            ]
                          )
                      )
                    }
                  spids: [149]
                )
              ]
            )
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:mounted_disk_regex)
                  op: assign_op.Equal
                  rhs: 
                    {
                      (command_sub
                        left_token: (Token id:Id.Left_DollarParen val:'$(' span_id:205)
                        command_list: 
                          (command.CommandList
                            children: [
                              (command.ForEach
                                iter_name: disk
                                iter_words: [{($ Id.VSub_DollarName '$mounted_whole_disks')}]
                                do_arg_iter: F
                                body: 
                                  (command.DoGroup
                                    children: [
                                      (command.Sentence
                                        child: (C {(echo)} {(-n)} {($ Id.VSub_DollarName '$disk')})
                                        terminator: (Token id:Id.Op_Semi val:';' span_id:222)
                                      )
                                    ]
                                  )
                              )
                            ]
                          )
                      )
                    }
                  spids: [204]
                )
              ]
            )
            (command.ForEach
              iter_name: disk
              iter_words: [
                {
                  (command_sub
                    left_token: (Token id:Id.Left_DollarParen val:'$(' span_id:235)
                    command_list: 
                      (command.CommandList
                        children: [
                          (C {(ls)} {(/dev/sd) (Id.Lit_LBracket '[') (a-z) (Id.Lit_RBracket ']')})
                        ]
                      )
                  )
                }
              ]
              do_arg_iter: F
              body: 
                (command.DoGroup
                  children: [
                    (command.If
                      arms: [
                        (if_arm
                          cond: [
                            (command.Sentence
                              child: 
                                (command.Pipeline
                                  children: [
                                    (C {(echo)} {(DQ ($ Id.VSub_DollarName '$disk'))})
                                    (C {(egrep)} {(-q)} 
                                      {
                                        (DQ 
                                          (braced_var_sub
                                            token: 
                                              (Token
                                                id: Id.VSub_Name
                                                val: mounted_disk_regex
                                                span_id: 266
                                              )
                                            suffix_op: 
                                              (suffix_op.Slice
                                                begin: (arith_expr.ArithWord w:{(Id.Lit_Digits 0)})
                                                length: 
                                                  (arith_expr.Unary
                                                    op_id: Id.Node_UnaryMinus
                                                    child: (arith_expr.ArithWord w:{(Id.Lit_Digits 1)})
                                                  )
                                              )
                                          )
                                        )
                                      }
                                    )
                                  ]
                                  negated: T
                                )
                              terminator: (Token id:Id.Op_Semi val:';' span_id:274)
                            )
                          ]
                          action: [
                            (C {(echo)} 
                              {
                                (DQ ('#### Overwriting ') ($ Id.VSub_DollarName '$disk') (' with ') 
                                  ($ Id.VSub_DollarName '$DISKCOMMAND') (' ') ($ Id.VSub_DollarName '$ZAPFLAGS')
                                )
                              }
                            )
                            (C 
                              {($ Id.VSub_DollarName '$TOOLPATH') (/) 
                                ($ Id.VSub_DollarName '$DISKCOMMAND')
                              } {($ Id.VSub_DollarName '$ZAPFLAGS')} {($ Id.VSub_DollarName '$disk')}
                            )
                          ]
                          spids: [248 276]
                        )
                      ]
                      else_action: [
                        (C {(echo)} 
                          {(DQ ('#### Skipping mounted disk ') ($ Id.VSub_DollarName '$disk'))}
                        )
                      ]
                    )
                  ]
                )
            )
          ]
          spids: [129 142]
        )
      ]
      else_action: [(C {(echo)} {(DQ ('disks look zapped already'))})]
    )
    (C {(touch)} {(/etc/ceph-disks-zapped)})
  ]
)