(command.CommandList
  children: [
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:PATH)
          op: assign_op.Equal
          rhs: {(/sbin) (Id.Lit_Other ':') (/bin) (Id.Lit_Other ':') (/usr/bin)}
          spids: [40]
        )
      ]
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:FSCK_LOGFILE)
          op: assign_op.Equal
          rhs: {(/var/log/fsck/checkfs)}
          spids: [47]
        )
      ]
    )
    (command.AndOr
      ops: [Id.Op_DPipe]
      children: [
        (C {(Id.Lit_LBracket '[')} {(DQ ($ Id.VSub_DollarName '$FSCKFIX'))} {(Id.Lit_RBracket ']')})
        (command.ShAssignment
          pairs: [
            (assign_pair
              lhs: (sh_lhs_expr.Name name:FSCKFIX)
              op: assign_op.Equal
              rhs: {(no)}
              spids: [60]
            )
          ]
        )
      ]
    )
    (C {(.)} {(/lib/init/vars.sh)})
    (C {(.)} {(/lib/lsb/init-functions)})
    (C {(.)} {(/lib/init/mount-functions.sh)})
    (C {(.)} {(/lib/init/swap-functions.sh)})
    (command.ShFunction
      name: do_start
      body: 
        (command.BraceGroup
          children: [
            (C {(trap)} {(DQ )} {(INT)})
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:BAT)
                  op: assign_op.Equal
                  rhs: {(DQ )}
                  spids: [148]
                )
              ]
            )
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:fscheck)
                  op: assign_op.Equal
                  rhs: {(DQ (yes))}
                  spids: [153]
                )
              ]
            )
            (command.If
              arms: [
                (if_arm
                  cond: [(C {(is_fastboot_active)})]
                  action: [
                    (command.AndOr
                      ops: [Id.Op_DAmp]
                      children: [
                        (C {(Id.Lit_LBracket '[')} {(DQ ($ Id.VSub_DollarName '$fscheck'))} 
                          {(Id.Lit_Equals '=')} {(yes)} {(Id.Lit_RBracket ']')}
                        )
                        (C {(log_warning_msg)} 
                          {(DQ ('Fast boot enabled, so skipping file system check.'))}
                        )
                      ]
                    )
                    (command.ShAssignment
                      pairs: [
                        (assign_pair
                          lhs: (sh_lhs_expr.Name name:fscheck)
                          op: assign_op.Equal
                          rhs: {(no)}
                          spids: [189]
                        )
                      ]
                    )
                  ]
                  spids: [160 165]
                )
              ]
            )
            (command.If
              arms: [
                (if_arm
                  cond: [
                    (command.AndOr
                      ops: [Id.Op_DAmp Id.Op_DAmp]
                      children: [
                        (C {(Id.Lit_LBracket '[')} {(DQ ($ Id.VSub_DollarName '$fscheck'))} 
                          {(Id.Lit_Equals '=')} {(yes)} {(Id.Lit_RBracket ']')}
                        )
                        (C {(Id.Lit_LBracket '[')} {(Id.KW_Bang '!')} 
                          {(DQ ($ Id.VSub_DollarName '$BAT'))} {(Id.Lit_RBracket ']')}
                        )
                        (C {(Id.Lit_LBracket '[')} {(DQ ($ Id.VSub_DollarName '$FSCKTYPES'))} 
                          {(Id.KW_Bang '!') (Id.Lit_Equals '=')} {(DQ (none))} {(Id.Lit_RBracket ']')}
                        )
                      ]
                    )
                  ]
                  action: [
                    (C {(swaponagain)} {(SQ (Token id:Id.Lit_Chars val:'lvm and md' span_id:268))})
                    (command.If
                      arms: [
                        (if_arm
                          cond: [
                            (command.AndOr
                              ops: [Id.Op_DPipe]
                              children: [
                                (C {(Id.Lit_LBracket '[')} {(-f)} {(/forcefsck)} {(Id.Lit_RBracket ']')})
                                (C {(grep)} {(-q)} {(-s)} {(-w)} {(-i)} {(DQ (forcefsck))} {(/proc/cmdline)})
                              ]
                            )
                          ]
                          action: [
                            (command.ShAssignment
                              pairs: [
                                (assign_pair
                                  lhs: (sh_lhs_expr.Name name:force)
                                  op: assign_op.Equal
                                  rhs: {(DQ (-f))}
                                  spids: [305]
                                )
                              ]
                            )
                          ]
                          spids: [273 302]
                        )
                      ]
                      else_action: [
                        (command.ShAssignment
                          pairs: [
                            (assign_pair
                              lhs: (sh_lhs_expr.Name name:force)
                              op: assign_op.Equal
                              rhs: {(DQ )}
                              spids: [314]
                            )
                          ]
                        )
                      ]
                    )
                    (command.If
                      arms: [
                        (if_arm
                          cond: [
                            (C {(Id.Lit_LBracket '[')} {(DQ ($ Id.VSub_DollarName '$FSCKFIX'))} 
                              {(Id.Lit_Equals '=')} {(yes)} {(Id.Lit_RBracket ']')}
                            )
                          ]
                          action: [
                            (command.ShAssignment
                              pairs: [
                                (assign_pair
                                  lhs: (sh_lhs_expr.Name name:fix)
                                  op: assign_op.Equal
                                  rhs: {(DQ (-y))}
                                  spids: [340]
                                )
                              ]
                            )
                          ]
                          spids: [322 337]
                        )
                      ]
                      else_action: [
                        (command.ShAssignment
                          pairs: [
                            (assign_pair
                              lhs: (sh_lhs_expr.Name name:fix)
                              op: assign_op.Equal
                              rhs: {(DQ (-a))}
                              spids: [349]
                            )
                          ]
                        )
                      ]
                    )
                    (command.ShAssignment
                      pairs: [
                        (assign_pair
                          lhs: (sh_lhs_expr.Name name:spinner)
                          op: assign_op.Equal
                          rhs: {(DQ (-C))}
                          spids: [358]
                        )
                      ]
                    )
                    (command.Case
                      to_match: {(DQ ($ Id.VSub_DollarName '$TERM'))}
                      arms: [
                        (case_arm
                          pat_list: [{(dumb)} {(network)} {(unknown)} {(DQ )}]
                          action: [
                            (command.ShAssignment
                              pairs: [
                                (assign_pair
                                  lhs: (sh_lhs_expr.Name name:spinner)
                                  op: assign_op.Equal
                                  rhs: {(DQ )}
                                  spids: [384]
                                )
                              ]
                            )
                          ]
                          spids: [373 381 389 -1]
                        )
                      ]
                    )
                    (command.AndOr
                      ops: [Id.Op_DAmp]
                      children: [
                        (C {(Id.Lit_LBracket '[')} 
                          {
                            (DQ 
                              (command_sub
                                left_token: (Token id:Id.Left_DollarParen val:'$(' span_id:398)
                                command_list: (command.CommandList children:[(C {(uname)} {(-m)})])
                              )
                            )
                          } {(Id.Lit_Equals '=')} {(s390x)} {(Id.Lit_RBracket ']')}
                        )
                        (command.ShAssignment
                          pairs: [
                            (assign_pair
                              lhs: (sh_lhs_expr.Name name:spinner)
                              op: assign_op.Equal
                              rhs: {(DQ )}
                              spids: [413]
                            )
                          ]
                        )
                      ]
                    )
                    (command.ShAssignment
                      pairs: [
                        (assign_pair
                          lhs: (sh_lhs_expr.Name name:FSCKTYPES_OPT)
                          op: assign_op.Equal
                          rhs: {(DQ )}
                          spids: [421]
                        )
                      ]
                    )
                    (command.AndOr
                      ops: [Id.Op_DAmp]
                      children: [
                        (C {(Id.Lit_LBracket '[')} {(DQ ($ Id.VSub_DollarName '$FSCKTYPES'))} 
                          {(Id.Lit_RBracket ']')}
                        )
                        (command.ShAssignment
                          pairs: [
                            (assign_pair
                              lhs: (sh_lhs_expr.Name name:FSCKTYPES_OPT)
                              op: assign_op.Equal
                              rhs: {(DQ ('-t ') ($ Id.VSub_DollarName '$FSCKTYPES'))}
                              spids: [436]
                            )
                          ]
                        )
                      ]
                    )
                    (command.ShFunction
                      name: handle_failed_fsck
                      body: 
                        (command.BraceGroup
                          children: [
                            (C {(log_failure_msg)} 
                              {
                                (DQ ('File system check failed. \n') ('A log is being saved in ') 
                                  (${ Id.VSub_Name FSCK_LOGFILE) (' if that location is writable. \n') ('Please repair the file system manually.')
                                )
                              }
                            )
                            (C {(log_warning_msg)} 
                              {
                                (DQ ('A maintenance shell will now be started. \n') 
                                  ('CONTROL-D will terminate this shell and resume system boot.')
                                )
                              }
                            )
                            (command.If
                              arms: [
                                (if_arm
                                  cond: [
                                    (command.Pipeline
                                      children: [(C {(sulogin)} {($ Id.VSub_DollarName '$CONSOLE')})]
                                      negated: T
                                    )
                                  ]
                                  action: [
                                    (C {(log_failure_msg)} 
                                      {
                                        (DQ ('Attempt to start maintenance shell failed. \n') 
                                          ('Continuing with system boot in 5 seconds.')
                                        )
                                      }
                                    )
                                    (C {(sleep)} {(5)})
                                  ]
                                  spids: [475 484]
                                )
                              ]
                            )
                          ]
                        )
                    )
                    (command.If
                      arms: [
                        (if_arm
                          cond: [
                            (C {(Id.Lit_LBracket '[')} {(DQ ($ Id.VSub_DollarName '$VERBOSE'))} 
                              {(Id.Lit_Equals '=')} {(no)} {(Id.Lit_RBracket ']')}
                            )
                          ]
                          action: [
                            (C {(log_action_begin_msg)} {(DQ ('Checking file systems'))})
                            (C {(logsave)} {(-s)} {($ Id.VSub_DollarName '$FSCK_LOGFILE')} {(fsck)} 
                              {($ Id.VSub_DollarName '$spinner')} {(-M)} {(-A)} {($ Id.VSub_DollarName '$fix')} {($ Id.VSub_DollarName '$force')} 
                              {($ Id.VSub_DollarName '$FSCKTYPES_OPT')}
                            )
                            (command.ShAssignment
                              pairs: [
                                (assign_pair
                                  lhs: (sh_lhs_expr.Name name:FSCKCODE)
                                  op: assign_op.Equal
                                  rhs: {($ Id.VSub_QMark '$?')}
                                  spids: [552]
                                )
                              ]
                            )
                            (command.If
                              arms: [
                                (if_arm
                                  cond: [
                                    (C {(Id.Lit_LBracket '[')} {(DQ ($ Id.VSub_DollarName '$FSCKCODE'))} 
                                      {(-eq)} {(32)} {(Id.Lit_RBracket ']')}
                                    )
                                  ]
                                  action: [
                                    (C {(log_action_end_msg)} {(1)} 
                                      {(DQ ('code ') ($ Id.VSub_DollarName '$FSCKCODE'))}
                                    )
                                    (C {(log_warning_msg)} 
                                      {(DQ ('File system check was interrupted by user'))}
                                    )
                                  ]
                                  spids: [557 572]
                                )
                                (if_arm
                                  cond: [
                                    (C {(Id.Lit_LBracket '[')} {(DQ ($ Id.VSub_DollarName '$FSCKCODE'))} 
                                      {(-gt)} {(1)} {(Id.Lit_RBracket ']')}
                                    )
                                  ]
                                  action: [
                                    (C {(log_action_end_msg)} {(1)} 
                                      {(DQ ('code ') ($ Id.VSub_DollarName '$FSCKCODE'))}
                                    )
                                    (C {(handle_failed_fsck)})
                                  ]
                                  spids: [592 607]
                                )
                              ]
                              else_action: [(C {(log_action_end_msg)} {(0)})]
                            )
                          ]
                          spids: [506 521]
                        )
                      ]
                      else_action: [
                        (command.If
                          arms: [
                            (if_arm
                              cond: [
                                (C {(Id.Lit_LBracket '[')} {(DQ ($ Id.VSub_DollarName '$FSCKTYPES'))} 
                                  {(Id.Lit_RBracket ']')}
                                )
                              ]
                              action: [
                                (C {(log_action_msg)} 
                                  {
                                    (DQ ('Will now check all file systems of types ') 
                                      ($ Id.VSub_DollarName '$FSCKTYPES')
                                    )
                                  }
                                )
                              ]
                              spids: [637 648]
                            )
                          ]
                          else_action: [
                            (C {(log_action_msg)} {(DQ ('Will now check all file systems'))})
                          ]
                        )
                        (C {(logsave)} {(-s)} {($ Id.VSub_DollarName '$FSCK_LOGFILE')} {(fsck)} 
                          {($ Id.VSub_DollarName '$spinner')} {(-V)} {(-M)} {(-A)} {($ Id.VSub_DollarName '$fix')} {($ Id.VSub_DollarName '$force')} 
                          {($ Id.VSub_DollarName '$FSCKTYPES_OPT')}
                        )
                        (command.ShAssignment
                          pairs: [
                            (assign_pair
                              lhs: (sh_lhs_expr.Name name:FSCKCODE)
                              op: assign_op.Equal
                              rhs: {($ Id.VSub_QMark '$?')}
                              spids: [695]
                            )
                          ]
                        )
                        (command.If
                          arms: [
                            (if_arm
                              cond: [
                                (C {(Id.Lit_LBracket '[')} {(DQ ($ Id.VSub_DollarName '$FSCKCODE'))} 
                                  {(-eq)} {(32)} {(Id.Lit_RBracket ']')}
                                )
                              ]
                              action: [
                                (C {(log_warning_msg)} 
                                  {(DQ ('File system check was interrupted by user'))}
                                )
                              ]
                              spids: [699 714]
                            )
                            (if_arm
                              cond: [
                                (C {(Id.Lit_LBracket '[')} {(DQ ($ Id.VSub_DollarName '$FSCKCODE'))} 
                                  {(-gt)} {(1)} {(Id.Lit_RBracket ']')}
                                )
                              ]
                              action: [(C {(handle_failed_fsck)})]
                              spids: [724 739]
                            )
                          ]
                          else_action: [
                            (C {(log_success_msg)} 
                              {
                                (DQ ('Done checking file systems. \n') ('A log is being saved in ') 
                                  (${ Id.VSub_Name FSCK_LOGFILE) (' if that location is writable.')
                                )
                              }
                            )
                          ]
                        )
                      ]
                    )
                  ]
                  spids: [209 253]
                )
              ]
            )
            (command.Simple
              words: [{(rm)} {(-f)} {(/fastboot)} {(/forcefsck)}]
              redirects: [
                (redir.Redir
                  op: (Token id:Id.Redir_Great val:'2>' span_id:777)
                  fd: 2
                  arg_word: {(/dev/null)}
                )
              ]
            )
          ]
        )
    )
    (command.Case
      to_match: {(DQ ($ Id.VSub_Number '$1'))}
      arms: [
        (case_arm
          pat_list: [{(start)} {(DQ )}]
          action: [(C {(do_start)})]
          spids: [792 796 802 -1]
        )
        (case_arm
          pat_list: [{(restart)} {(reload)} {(force-reload)}]
          action: [
            (command.Simple
              words: [{(echo)} {(DQ ("Error: argument '") ($ Id.VSub_Number '$1') ("' not supported"))}]
              redirects: [
                (redir.Redir
                  op: (Token id:Id.Redir_GreatAnd val:'>&' span_id:821)
                  fd: -1
                  arg_word: {(2)}
                )
              ]
            )
            (command.ControlFlow
              token: (Token id:Id.ControlFlow_Exit val:exit span_id:825)
              arg_word: {(3)}
            )
          ]
          spids: [805 810 830 -1]
        )
        (case_arm pat_list:[{(stop)} {(status)}] spids:[833 836 843 -1])
        (case_arm
          pat_list: [{(Id.Lit_Star '*')}]
          action: [
            (command.Simple
              words: [{(echo)} {(DQ ('Usage: checkfs.sh [start|stop]'))}]
              redirects: [
                (redir.Redir
                  op: (Token id:Id.Redir_GreatAnd val:'>&' span_id:856)
                  fd: -1
                  arg_word: {(2)}
                )
              ]
            )
            (command.ControlFlow
              token: (Token id:Id.ControlFlow_Exit val:exit span_id:860)
              arg_word: {(3)}
            )
          ]
          spids: [846 847 865 -1]
        )
      ]
    )
    (C {(Id.Lit_Other ':')})
  ]
)