(command.CommandList
  children: [
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:PATH)
          op: assign_op.Equal
          rhs: {<'/sbin'> <Id.Lit_Colon ':'> <'/bin'>}
          spids: [37]
        )
      ]
    )
    (C {<.>} {<'/lib/lsb/init-functions'>})
    (C {<.>} {<'/lib/init/vars.sh'>})
    (C {<.>} {<'/lib/init/tmpfs.sh'>})
    (C {<.>} {<'/lib/init/mount-functions.sh'>})
    (command.ShFunction
      name: mount_filesystems
      body: 
        (BraceGroup
          children: [
            (command.ShAssignment
              pairs: [
                (assign_pair
                  lhs: (sh_lhs_expr.Name name:MNTMODE)
                  op: assign_op.Equal
                  rhs: {(DQ ($ Id.VSub_Number '$1'))}
                  spids: [74]
                )
              ]
            )
            (C {<mount_run>} {(DQ ($ Id.VSub_DollarName '$MNTMODE'))})
            (C {<mount_lock>} {(DQ ($ Id.VSub_DollarName '$MNTMODE'))})
            (C {<domount>} {(DQ ($ Id.VSub_DollarName '$MNTMODE'))} {<Id.KW_Proc proc>} {(DQ )} 
              {<'/proc'>} {<Id.KW_Proc proc>} {(DQ <'-onodev,noexec,nosuid'>)}
            )
            (command.If
              arms: [
                (if_arm
                  cond: [
                    (C {<grep>} {<-E>} {<-qs>} 
                      {(DQ <sysfs> (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\$'>))} {<'/proc/filesystems'>}
                    )
                  ]
                  action: [
                    (C {<domount>} {(DQ ($ Id.VSub_DollarName '$MNTMODE'))} {<sysfs>} {(DQ )} {<'/sys'>} 
                      {<sysfs>} {(DQ <'-onodev,noexec,nosuid'>)}
                    )
                  ]
                  spids: [157 173]
                )
              ]
            )
            (command.If
              arms: [
                (if_arm
                  cond: [
                    (C {<Id.Lit_LBracket '['>} {<-d>} {<'/sys/fs/pstore'>} {<Id.Lit_RBracket ']'>})
                  ]
                  action: [
                    (C {<domount>} {(DQ ($ Id.VSub_DollarName '$MNTMODE'))} {<pstore>} {(DQ )} 
                      {<'/sys/fs/pstore'>} {<pstore>} {(DQ )}
                    )
                  ]
                  spids: [200 211]
                )
              ]
            )
            (command.If
              arms: [
                (if_arm
                  cond: [
                    (C {<Id.Lit_LBracket '['>} {<-d>} {<'/sys/kernel/config'>} {<Id.Lit_RBracket ']'>})
                  ]
                  action: [
                    (C {<domount>} {(DQ ($ Id.VSub_DollarName '$MNTMODE'))} {<configfs>} {(DQ )} 
                      {<'/sys/kernel/config'>} {<configfs>} {(DQ )}
                    )
                  ]
                  spids: [237 248]
                )
              ]
            )
          ]
        )
    )
    (command.Case
      to_match: {(DQ ($ Id.VSub_Number '$1'))}
      arms: [
        (case_arm
          pat_list: [{(DQ )}]
          action: [
            (command.Simple
              words: [
                {<echo>}
                {(DQ <'Warning: mountkernfs should be called with the \'start\' argument.'>)}
              ]
              redirects: [(redir op:<Id.Redir_GreatAnd '>&'> loc:(redir_loc.Fd fd:1) arg:{<2>})]
              do_fork: T
            )
            (C {<mount_filesystems>} {<mount_noupdate>})
          ]
          spids: [284 286 304 -1]
        )
        (case_arm
          pat_list: [{<start>}]
          action: [(C {<mount_filesystems>} {<mount_noupdate>})]
          spids: [307 308 316 -1]
        )
        (case_arm
          pat_list: [{<restart>} {<reload>} {<force-reload>}]
          action: [(C {<mount_filesystems>} {<remount>})]
          spids: [319 324 332 -1]
        )
        (case_arm pat_list:[{<stop>} {<status>}] spids:[335 338 345 -1])
        (case_arm
          pat_list: [{<Id.Lit_Star '*'>}]
          action: [
            (command.Simple
              words: [{<echo>} {(DQ <'Usage: mountkernfs [start|stop]'>)}]
              redirects: [(redir op:<Id.Redir_GreatAnd '>&'> loc:(redir_loc.Fd fd:1) arg:{<2>})]
              do_fork: T
            )
            (command.ControlFlow token:<Id.ControlFlow_Exit exit> arg_word:{<3>})
          ]
          spids: [348 349 367 -1]
        )
      ]
    )
  ]
)