(command.CommandList
  children: [
    (command.Simple
      blame_tok: <mount>
      more_env: []
      words: [{<mount>} {<-t>} {<tmpfs>} {<none>} {<'/mnt'>}]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <mkdir>
      more_env: []
      words: [{<mkdir>} {<'/mnt/dev'>}]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <mkdir>
      more_env: []
      words: [{<mkdir>} {<'/mnt/sys'>}]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <mkdir>
      more_env: []
      words: [{<mkdir>} {<'/mnt/proc'>}]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <mkdir>
      more_env: []
      words: [{<mkdir>} {<'/mnt/tmp'>}]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <mkdir>
      more_env: []
      words: [{<mkdir>} {<'/mnt/var'>}]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <echo>
      more_env: []
      words: [{<echo>} {(DQ <'Created folders for all critical file systems.'>)}]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <echo>
      more_env: []
      words: [
        {<echo>}
        {<-e>}
        {
          (DQ <'Copying the root file system to '> 
            (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\\\'> ch:'\\') <'e[94m/mnt'> (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\\\'> ch:'\\') <'e[0m.'>
          )
        }
      ]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <cp>
      more_env: []
      words: [
        {<cp>}
        {<-a>}
        {<bin>}
        {<etc>}
        {<lib>}
        {<lib64>}
        {<root>}
        {<sbin>}
        {<src>}
        {<usr>}
        {<Id.KW_Var var>}
        {<'/mnt'>}
      ]
      redirects: [(Redir op:<Id.Redir_Great '2>'> loc:(redir_loc.Fd fd:2) arg:{<'/dev/null'>})]
      do_fork: T
    )
    (command.ShAssignment
      left: <Id.Lit_VarLike 'DEFAULT_OVERLAY_DIR='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'DEFAULT_OVERLAY_DIR='>
          lhs: 
            (sh_lhs_expr.Name
              left: <Id.Lit_VarLike 'DEFAULT_OVERLAY_DIR='>
              name: DEFAULT_OVERLAY_DIR
            )
          op: assign_op.Equal
          rhs: {(DQ <'/tmp/minimal/overlay'>)}
        )
      ]
      redirects: []
    )
    (command.ShAssignment
      left: <Id.Lit_VarLike 'DEFAULT_UPPER_DIR='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'DEFAULT_UPPER_DIR='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'DEFAULT_UPPER_DIR='> name:DEFAULT_UPPER_DIR)
          op: assign_op.Equal
          rhs: {(DQ <'/tmp/minimal/rootfs'>)}
        )
      ]
      redirects: []
    )
    (command.ShAssignment
      left: <Id.Lit_VarLike 'DEFAULT_WORK_DIR='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'DEFAULT_WORK_DIR='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'DEFAULT_WORK_DIR='> name:DEFAULT_WORK_DIR)
          op: assign_op.Equal
          rhs: {(DQ <'/tmp/minimal/work'>)}
        )
      ]
      redirects: []
    )
    (command.Simple
      blame_tok: <echo>
      more_env: []
      words: [{<echo>} {(DQ <'Searching available devices for overlay content.'>)}]
      redirects: []
      do_fork: T
    )
    (command.ForEach
      keyword: <Id.KW_For for>
      iter_names: [DEVICE]
      iterable: (for_iter.Words words:[{<'/dev/'> <Id.Lit_Star '*'>}])
      semi_tok: <Id.Op_Semi _>
      body: 
        (command.DoGroup
          left: <Id.KW_Do do>
          children: [
            (command.ShAssignment
              left: <Id.Lit_VarLike 'DEV='>
              pairs: [
                (AssignPair
                  left: <Id.Lit_VarLike 'DEV='>
                  lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'DEV='> name:DEV)
                  op: assign_op.Equal
                  rhs: 
                    {
                      (CommandSub
                        left_token: <Id.Left_DollarParen '$('>
                        child: 
                          (command.Simple
                            blame_tok: <echo>
                            more_env: []
                            words: [
                              {<echo>}
                              {
                                (DQ 
                                  (BracedVarSub
                                    left: <Id.Left_DollarBrace '${'>
                                    token: <Id.VSub_Name DEVICE>
                                    var_name: DEVICE
                                    suffix_op: 
                                      (suffix_op.Unary
                                        op: <Id.VOp1_DPound '##'>
                                        arg_word: {<Id.Lit_Other '*'> <Id.Lit_Slash '/'>}
                                      )
                                    right: <Id.Right_DollarBrace '}'>
                                  )
                                )
                              }
                            ]
                            redirects: []
                            do_fork: T
                          )
                        right: <Id.Eof_RParen _>
                      )
                    }
                )
              ]
              redirects: []
            )
            (command.ShAssignment
              left: <Id.Lit_VarLike 'SYSDEV='>
              pairs: [
                (AssignPair
                  left: <Id.Lit_VarLike 'SYSDEV='>
                  lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'SYSDEV='> name:SYSDEV)
                  op: assign_op.Equal
                  rhs: 
                    {
                      (CommandSub
                        left_token: <Id.Left_DollarParen '$('>
                        child: 
                          (command.Simple
                            blame_tok: <echo>
                            more_env: []
                            words: [{<echo>} {(DQ <'/sys/class/block/'> ($ Id.VSub_DollarName DEV))}]
                            redirects: []
                            do_fork: T
                          )
                        right: <Id.Eof_RParen _>
                      )
                    }
                )
              ]
              redirects: []
            )
            (command.Case
              case_kw: <Id.KW_Case case>
              to_match: (case_arg.Word w:{($ Id.VSub_DollarName DEV)})
              arms_start: <Id.KW_In in>
              arms: [
                (CaseArm
                  left: <Id.Lit_Star '*'>
                  pattern: (pat.Words words:[{<Id.Lit_Star '*'> <loop> <Id.Lit_Star '*'>}])
                  middle: <Id.Right_CasePat _>
                  action: [(command.ControlFlow keyword:<Id.ControlFlow_Continue continue>)]
                  right: <Id.Op_DSemi _>
                )
              ]
              arms_end: <Id.KW_Esac esac>
              redirects: []
            )
            (command.If
              if_kw: <Id.KW_If if>
              arms: [
                (IfArm
                  keyword: <Id.KW_If if>
                  cond: 
                    (condition.Shell
                      commands: [
                        (command.Sentence
                          child: 
                            (command.Simple
                              blame_tok: <Id.Lit_LBracket '['>
                              more_env: []
                              words: [
                                {<Id.Lit_LBracket '['>}
                                {<Id.KW_Bang '!'>}
                                {<-d>}
                                {(DQ ($ Id.VSub_DollarName SYSDEV))}
                                {<Id.Lit_RBracket ']'>}
                              ]
                              redirects: []
                              do_fork: T
                            )
                          terminator: <Id.Op_Semi _>
                        )
                      ]
                    )
                  then_kw: <Id.KW_Then then>
                  action: [(command.ControlFlow keyword:<Id.ControlFlow_Continue continue>)]
                  spids: [245 261]
                )
              ]
              else_action: []
              fi_kw: <Id.KW_Fi fi>
              redirects: []
            )
            (command.Simple
              blame_tok: <mkdir>
              more_env: []
              words: [{<mkdir>} {<-p>} {<'/tmp/mnt/device'>}]
              redirects: []
              do_fork: T
            )
            (command.ShAssignment
              left: <Id.Lit_VarLike 'DEVICE_MNT='>
              pairs: [
                (AssignPair
                  left: <Id.Lit_VarLike 'DEVICE_MNT='>
                  lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'DEVICE_MNT='> name:DEVICE_MNT)
                  op: assign_op.Equal
                  rhs: {<'/tmp/mnt/device'>}
                )
              ]
              redirects: []
            )
            (command.ShAssignment
              left: <Id.Lit_VarLike 'OVERLAY_DIR='>
              pairs: [
                (AssignPair
                  left: <Id.Lit_VarLike 'OVERLAY_DIR='>
                  lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'OVERLAY_DIR='> name:OVERLAY_DIR)
                  op: assign_op.Equal
                  rhs: {(DQ )}
                )
              ]
              redirects: []
            )
            (command.ShAssignment
              left: <Id.Lit_VarLike 'OVERLAY_MNT='>
              pairs: [
                (AssignPair
                  left: <Id.Lit_VarLike 'OVERLAY_MNT='>
                  lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'OVERLAY_MNT='> name:OVERLAY_MNT)
                  op: assign_op.Equal
                  rhs: {(DQ )}
                )
              ]
              redirects: []
            )
            (command.ShAssignment
              left: <Id.Lit_VarLike 'UPPER_DIR='>
              pairs: [
                (AssignPair
                  left: <Id.Lit_VarLike 'UPPER_DIR='>
                  lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'UPPER_DIR='> name:UPPER_DIR)
                  op: assign_op.Equal
                  rhs: {(DQ )}
                )
              ]
              redirects: []
            )
            (command.ShAssignment
              left: <Id.Lit_VarLike 'WORK_DIR='>
              pairs: [
                (AssignPair
                  left: <Id.Lit_VarLike 'WORK_DIR='>
                  lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'WORK_DIR='> name:WORK_DIR)
                  op: assign_op.Equal
                  rhs: {(DQ )}
                )
              ]
              redirects: []
            )
            (command.Simple
              blame_tok: <mount>
              more_env: []
              words: [{<mount>} {($ Id.VSub_DollarName DEVICE)} {($ Id.VSub_DollarName DEVICE_MNT)}]
              redirects: [(Redir op:<Id.Redir_Great '2>'> loc:(redir_loc.Fd fd:2) arg:{<'/dev/null'>})]
              do_fork: T
            )
            (command.If
              if_kw: <Id.KW_If if>
              arms: [
                (IfArm
                  keyword: <Id.KW_If if>
                  cond: 
                    (condition.Shell
                      commands: [
                        (command.Sentence
                          child: 
                            (command.Simple
                              blame_tok: <Id.Lit_LBracket '['>
                              more_env: []
                              words: [
                                {<Id.Lit_LBracket '['>}
                                {<-d>}
                                {($ Id.VSub_DollarName DEVICE_MNT) <'/minimal/rootfs'>}
                                {<-a>}
                                {<-d>}
                                {($ Id.VSub_DollarName DEVICE_MNT) <'/minimal/work'>}
                                {<Id.Lit_RBracket ']'>}
                              ]
                              redirects: []
                              do_fork: T
                            )
                          terminator: <Id.Op_Semi _>
                        )
                      ]
                    )
                  then_kw: <Id.KW_Then then>
                  action: [
                    (command.Simple
                      blame_tok: <echo>
                      more_env: []
                      words: [
                        {<echo>}
                        {<-e>}
                        {
                          (DQ <'  Found '> 
                            (word_part.EscapedLiteral
                              token: <Id.Lit_EscapedChar '\\\\'>
                              ch: '\\'
                            ) <'e[94m/minimal'> (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\\\'> ch:'\\') 
                            <'e[0m folder on device '> (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\\\'> ch:'\\') <'e[31m'> 
                            ($ Id.VSub_DollarName DEVICE) (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\\\'> ch:'\\') <'e[0m.'>
                          )
                        }
                      ]
                      redirects: []
                      do_fork: T
                    )
                    (command.Simple
                      blame_tok: <touch>
                      more_env: []
                      words: [
                        {<touch>}
                        {($ Id.VSub_DollarName DEVICE_MNT) <'/minimal/rootfs/minimal.pid'>}
                      ]
                      redirects: [
                        (Redir
                          op: <Id.Redir_Great '2>'>
                          loc: (redir_loc.Fd fd:2)
                          arg: {<'/dev/null'>}
                        )
                      ]
                      do_fork: T
                    )
                    (command.If
                      if_kw: <Id.KW_If if>
                      arms: [
                        (IfArm
                          keyword: <Id.KW_If if>
                          cond: 
                            (condition.Shell
                              commands: [
                                (command.Sentence
                                  child: 
                                    (command.Simple
                                      blame_tok: <Id.Lit_LBracket '['>
                                      more_env: []
                                      words: [
                                        {<Id.Lit_LBracket '['>}
                                        {<-f>}
                                        {($ Id.VSub_DollarName DEVICE_MNT) 
                                          <'/minimal/rootfs/minimal.pid'>
                                        }
                                        {<Id.Lit_RBracket ']'>}
                                      ]
                                      redirects: []
                                      do_fork: T
                                    )
                                  terminator: <Id.Op_Semi _>
                                )
                              ]
                            )
                          then_kw: <Id.KW_Then then>
                          action: [
                            (command.Simple
                              blame_tok: <echo>
                              more_env: []
                              words: [
                                {<echo>}
                                {<-e>}
                                {
                                  (DQ <'  Device '> 
                                    (word_part.EscapedLiteral
                                      token: <Id.Lit_EscapedChar '\\\\'>
                                      ch: '\\'
                                    ) <'e[31m'> ($ Id.VSub_DollarName DEVICE) 
                                    (word_part.EscapedLiteral
                                      token: <Id.Lit_EscapedChar '\\\\'>
                                      ch: '\\'
                                    ) <'e[0m is mounted in read/write mode.'>
                                  )
                                }
                              ]
                              redirects: []
                              do_fork: T
                            )
                            (command.Simple
                              blame_tok: <rm>
                              more_env: []
                              words: [
                                {<rm>}
                                {<-f>}
                                {($ Id.VSub_DollarName DEVICE_MNT) <'/minimal/rootfs/minimal.pid'>}
                              ]
                              redirects: []
                              do_fork: T
                            )
                            (command.ShAssignment
                              left: <Id.Lit_VarLike 'OVERLAY_DIR='>
                              pairs: [
                                (AssignPair
                                  left: <Id.Lit_VarLike 'OVERLAY_DIR='>
                                  lhs: 
                                    (sh_lhs_expr.Name
                                      left: <Id.Lit_VarLike 'OVERLAY_DIR='>
                                      name: OVERLAY_DIR
                                    )
                                  op: assign_op.Equal
                                  rhs: {($ Id.VSub_DollarName DEFAULT_OVERLAY_DIR)}
                                )
                              ]
                              redirects: []
                            )
                            (command.ShAssignment
                              left: <Id.Lit_VarLike 'OVERLAY_MNT='>
                              pairs: [
                                (AssignPair
                                  left: <Id.Lit_VarLike 'OVERLAY_MNT='>
                                  lhs: 
                                    (sh_lhs_expr.Name
                                      left: <Id.Lit_VarLike 'OVERLAY_MNT='>
                                      name: OVERLAY_MNT
                                    )
                                  op: assign_op.Equal
                                  rhs: {($ Id.VSub_DollarName DEVICE_MNT)}
                                )
                              ]
                              redirects: []
                            )
                            (command.ShAssignment
                              left: <Id.Lit_VarLike 'UPPER_DIR='>
                              pairs: [
                                (AssignPair
                                  left: <Id.Lit_VarLike 'UPPER_DIR='>
                                  lhs: 
                                    (sh_lhs_expr.Name
                                      left: <Id.Lit_VarLike 'UPPER_DIR='>
                                      name: UPPER_DIR
                                    )
                                  op: assign_op.Equal
                                  rhs: {($ Id.VSub_DollarName DEVICE_MNT) <'/minimal/rootfs'>}
                                )
                              ]
                              redirects: []
                            )
                            (command.ShAssignment
                              left: <Id.Lit_VarLike 'WORK_DIR='>
                              pairs: [
                                (AssignPair
                                  left: <Id.Lit_VarLike 'WORK_DIR='>
                                  lhs: 
                                    (sh_lhs_expr.Name
                                      left: <Id.Lit_VarLike 'WORK_DIR='>
                                      name: WORK_DIR
                                    )
                                  op: assign_op.Equal
                                  rhs: {($ Id.VSub_DollarName DEVICE_MNT) <'/minimal/work'>}
                                )
                              ]
                              redirects: []
                            )
                          ]
                          spids: [368 381]
                        )
                      ]
                      else_kw: <Id.KW_Else else>
                      else_action: [
                        (command.Simple
                          blame_tok: <echo>
                          more_env: []
                          words: [
                            {<echo>}
                            {<-e>}
                            {
                              (DQ <'  Device '> 
                                (word_part.EscapedLiteral
                                  token: <Id.Lit_EscapedChar '\\\\'>
                                  ch: '\\'
                                ) <'e[31m'> ($ Id.VSub_DollarName DEVICE) 
                                (word_part.EscapedLiteral
                                  token: <Id.Lit_EscapedChar '\\\\'>
                                  ch: '\\'
                                ) <'e[0m is mounted in read only mode.'>
                              )
                            }
                          ]
                          redirects: []
                          do_fork: T
                        )
                        (command.ShAssignment
                          left: <Id.Lit_VarLike 'OVERLAY_DIR='>
                          pairs: [
                            (AssignPair
                              left: <Id.Lit_VarLike 'OVERLAY_DIR='>
                              lhs: 
                                (sh_lhs_expr.Name
                                  left: <Id.Lit_VarLike 'OVERLAY_DIR='>
                                  name: OVERLAY_DIR
                                )
                              op: assign_op.Equal
                              rhs: {($ Id.VSub_DollarName DEVICE_MNT) <'/minimal/rootfs'>}
                            )
                          ]
                          redirects: []
                        )
                        (command.ShAssignment
                          left: <Id.Lit_VarLike 'OVERLAY_MNT='>
                          pairs: [
                            (AssignPair
                              left: <Id.Lit_VarLike 'OVERLAY_MNT='>
                              lhs: 
                                (sh_lhs_expr.Name
                                  left: <Id.Lit_VarLike 'OVERLAY_MNT='>
                                  name: OVERLAY_MNT
                                )
                              op: assign_op.Equal
                              rhs: {($ Id.VSub_DollarName DEVICE_MNT)}
                            )
                          ]
                          redirects: []
                        )
                        (command.ShAssignment
                          left: <Id.Lit_VarLike 'UPPER_DIR='>
                          pairs: [
                            (AssignPair
                              left: <Id.Lit_VarLike 'UPPER_DIR='>
                              lhs: 
                                (sh_lhs_expr.Name
                                  left: <Id.Lit_VarLike 'UPPER_DIR='>
                                  name: UPPER_DIR
                                )
                              op: assign_op.Equal
                              rhs: {($ Id.VSub_DollarName DEFAULT_UPPER_DIR)}
                            )
                          ]
                          redirects: []
                        )
                        (command.ShAssignment
                          left: <Id.Lit_VarLike 'WORK_DIR='>
                          pairs: [
                            (AssignPair
                              left: <Id.Lit_VarLike 'WORK_DIR='>
                              lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'WORK_DIR='> name:WORK_DIR)
                              op: assign_op.Equal
                              rhs: {($ Id.VSub_DollarName DEFAULT_WORK_DIR)}
                            )
                          ]
                          redirects: []
                        )
                      ]
                      fi_kw: <Id.KW_Fi fi>
                      redirects: []
                    )
                  ]
                  spids: [314 334]
                )
                (IfArm
                  keyword: <Id.KW_Elif elif>
                  cond: 
                    (condition.Shell
                      commands: [
                        (command.Sentence
                          child: 
                            (command.Simple
                              blame_tok: <Id.Lit_LBracket '['>
                              more_env: []
                              words: [
                                {<Id.Lit_LBracket '['>}
                                {<-f>}
                                {($ Id.VSub_DollarName DEVICE_MNT) <'/minimal.img'>}
                                {<Id.Lit_RBracket ']'>}
                              ]
                              redirects: []
                              do_fork: T
                            )
                          terminator: <Id.Op_Semi _>
                        )
                      ]
                    )
                  then_kw: <Id.KW_Then then>
                  action: [
                    (command.Simple
                      blame_tok: <echo>
                      more_env: []
                      words: [
                        {<echo>}
                        {<-e>}
                        {
                          (DQ <'  Found '> 
                            (word_part.EscapedLiteral
                              token: <Id.Lit_EscapedChar '\\\\'>
                              ch: '\\'
                            ) <'e[94m/minimal.img'> (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\\\'> ch:'\\') 
                            <'e[0m image on device '> (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\\\'> ch:'\\') <'e[31m'> 
                            ($ Id.VSub_DollarName DEVICE) (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\\\'> ch:'\\') <'e[0m.'>
                          )
                        }
                      ]
                      redirects: []
                      do_fork: T
                    )
                    (command.Simple
                      blame_tok: <mkdir>
                      more_env: []
                      words: [{<mkdir>} {<-p>} {<'/tmp/mnt/image'>}]
                      redirects: []
                      do_fork: T
                    )
                    (command.ShAssignment
                      left: <Id.Lit_VarLike 'IMAGE_MNT='>
                      pairs: [
                        (AssignPair
                          left: <Id.Lit_VarLike 'IMAGE_MNT='>
                          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'IMAGE_MNT='> name:IMAGE_MNT)
                          op: assign_op.Equal
                          rhs: {<'/tmp/mnt/image'>}
                        )
                      ]
                      redirects: []
                    )
                    (command.ShAssignment
                      left: <Id.Lit_VarLike 'LOOP_DEVICE='>
                      pairs: [
                        (AssignPair
                          left: <Id.Lit_VarLike 'LOOP_DEVICE='>
                          lhs: 
                            (sh_lhs_expr.Name
                              left: <Id.Lit_VarLike 'LOOP_DEVICE='>
                              name: LOOP_DEVICE
                            )
                          op: assign_op.Equal
                          rhs: 
                            {
                              (CommandSub
                                left_token: <Id.Left_DollarParen '$('>
                                child: 
                                  (command.Simple
                                    blame_tok: <losetup>
                                    more_env: []
                                    words: [{<losetup>} {<-f>}]
                                    redirects: []
                                    do_fork: T
                                  )
                                right: <Id.Eof_RParen _>
                              )
                            }
                        )
                      ]
                      redirects: []
                    )
                    (command.Simple
                      blame_tok: <losetup>
                      more_env: []
                      words: [
                        {<losetup>}
                        {($ Id.VSub_DollarName LOOP_DEVICE)}
                        {($ Id.VSub_DollarName DEVICE_MNT) <'/minimal.img'>}
                      ]
                      redirects: []
                      do_fork: T
                    )
                    (command.Simple
                      blame_tok: <mount>
                      more_env: []
                      words: [
                        {<mount>}
                        {($ Id.VSub_DollarName LOOP_DEVICE)}
                        {($ Id.VSub_DollarName IMAGE_MNT)}
                      ]
                      redirects: []
                      do_fork: T
                    )
                    (command.If
                      if_kw: <Id.KW_If if>
                      arms: [
                        (IfArm
                          keyword: <Id.KW_If if>
                          cond: 
                            (condition.Shell
                              commands: [
                                (command.Sentence
                                  child: 
                                    (command.Simple
                                      blame_tok: <Id.Lit_LBracket '['>
                                      more_env: []
                                      words: [
                                        {<Id.Lit_LBracket '['>}
                                        {<-d>}
                                        {($ Id.VSub_DollarName IMAGE_MNT) <'/rootfs'>}
                                        {<-a>}
                                        {<-d>}
                                        {($ Id.VSub_DollarName IMAGE_MNT) <'/work'>}
                                        {<Id.Lit_RBracket ']'>}
                                      ]
                                      redirects: []
                                      do_fork: T
                                    )
                                  terminator: <Id.Op_Semi _>
                                )
                              ]
                            )
                          then_kw: <Id.KW_Then then>
                          action: [
                            (command.Simple
                              blame_tok: <touch>
                              more_env: []
                              words: [
                                {<touch>}
                                {($ Id.VSub_DollarName IMAGE_MNT) <'/rootfs/minimal.pid'>}
                              ]
                              redirects: [
                                (Redir
                                  op: <Id.Redir_Great '2>'>
                                  loc: (redir_loc.Fd fd:2)
                                  arg: {<'/dev/null'>}
                                )
                              ]
                              do_fork: T
                            )
                            (command.If
                              if_kw: <Id.KW_If if>
                              arms: [
                                (IfArm
                                  keyword: <Id.KW_If if>
                                  cond: 
                                    (condition.Shell
                                      commands: [
                                        (command.Sentence
                                          child: 
                                            (command.Simple
                                              blame_tok: <Id.Lit_LBracket '['>
                                              more_env: []
                                              words: [
                                                {<Id.Lit_LBracket '['>}
                                                {<-f>}
                                                {($ Id.VSub_DollarName IMAGE_MNT) 
                                                  <'/rootfs/minimal.pid'>
                                                }
                                                {<Id.Lit_RBracket ']'>}
                                              ]
                                              redirects: []
                                              do_fork: T
                                            )
                                          terminator: <Id.Op_Semi _>
                                        )
                                      ]
                                    )
                                  then_kw: <Id.KW_Then then>
                                  action: [
                                    (command.Simple
                                      blame_tok: <echo>
                                      more_env: []
                                      words: [
                                        {<echo>}
                                        {<-e>}
                                        {
                                          (DQ <'  Image '> 
                                            (word_part.EscapedLiteral
                                              token: <Id.Lit_EscapedChar '\\\\'>
                                              ch: '\\'
                                            ) <'e[94m'> ($ Id.VSub_DollarName DEVICE) <'/minimal.img'> 
                                            (word_part.EscapedLiteral
                                              token: <Id.Lit_EscapedChar '\\\\'>
                                              ch: '\\'
                                            ) <'e[0m is mounted in read/write mode.'>
                                          )
                                        }
                                      ]
                                      redirects: []
                                      do_fork: T
                                    )
                                    (command.Simple
                                      blame_tok: <rm>
                                      more_env: []
                                      words: [
                                        {<rm>}
                                        {<-f>}
                                        {($ Id.VSub_DollarName IMAGE_MNT) <'/rootfs/minimal.pid'>}
                                      ]
                                      redirects: []
                                      do_fork: T
                                    )
                                    (command.ShAssignment
                                      left: <Id.Lit_VarLike 'OVERLAY_DIR='>
                                      pairs: [
                                        (AssignPair
                                          left: <Id.Lit_VarLike 'OVERLAY_DIR='>
                                          lhs: 
                                            (sh_lhs_expr.Name
                                              left: <Id.Lit_VarLike 'OVERLAY_DIR='>
                                              name: OVERLAY_DIR
                                            )
                                          op: assign_op.Equal
                                          rhs: {($ Id.VSub_DollarName DEFAULT_OVERLAY_DIR)}
                                        )
                                      ]
                                      redirects: []
                                    )
                                    (command.ShAssignment
                                      left: <Id.Lit_VarLike 'OVERLAY_MNT='>
                                      pairs: [
                                        (AssignPair
                                          left: <Id.Lit_VarLike 'OVERLAY_MNT='>
                                          lhs: 
                                            (sh_lhs_expr.Name
                                              left: <Id.Lit_VarLike 'OVERLAY_MNT='>
                                              name: OVERLAY_MNT
                                            )
                                          op: assign_op.Equal
                                          rhs: {($ Id.VSub_DollarName IMAGE_MNT)}
                                        )
                                      ]
                                      redirects: []
                                    )
                                    (command.ShAssignment
                                      left: <Id.Lit_VarLike 'UPPER_DIR='>
                                      pairs: [
                                        (AssignPair
                                          left: <Id.Lit_VarLike 'UPPER_DIR='>
                                          lhs: 
                                            (sh_lhs_expr.Name
                                              left: <Id.Lit_VarLike 'UPPER_DIR='>
                                              name: UPPER_DIR
                                            )
                                          op: assign_op.Equal
                                          rhs: {($ Id.VSub_DollarName IMAGE_MNT) <'/rootfs'>}
                                        )
                                      ]
                                      redirects: []
                                    )
                                    (command.ShAssignment
                                      left: <Id.Lit_VarLike 'WORK_DIR='>
                                      pairs: [
                                        (AssignPair
                                          left: <Id.Lit_VarLike 'WORK_DIR='>
                                          lhs: 
                                            (sh_lhs_expr.Name
                                              left: <Id.Lit_VarLike 'WORK_DIR='>
                                              name: WORK_DIR
                                            )
                                          op: assign_op.Equal
                                          rhs: {($ Id.VSub_DollarName IMAGE_MNT) <'/work'>}
                                        )
                                      ]
                                      redirects: []
                                    )
                                  ]
                                  spids: [579 592]
                                )
                              ]
                              else_kw: <Id.KW_Else else>
                              else_action: [
                                (command.Simple
                                  blame_tok: <echo>
                                  more_env: []
                                  words: [
                                    {<echo>}
                                    {<-e>}
                                    {
                                      (DQ <'  Image '> 
                                        (word_part.EscapedLiteral
                                          token: <Id.Lit_EscapedChar '\\\\'>
                                          ch: '\\'
                                        ) <'e[94m'> ($ Id.VSub_DollarName DEVICE) <'/minimal.img'> 
                                        (word_part.EscapedLiteral
                                          token: <Id.Lit_EscapedChar '\\\\'>
                                          ch: '\\'
                                        ) <'e[0m is mounted in read only mode.'>
                                      )
                                    }
                                  ]
                                  redirects: []
                                  do_fork: T
                                )
                                (command.ShAssignment
                                  left: <Id.Lit_VarLike 'OVERLAY_DIR='>
                                  pairs: [
                                    (AssignPair
                                      left: <Id.Lit_VarLike 'OVERLAY_DIR='>
                                      lhs: 
                                        (sh_lhs_expr.Name
                                          left: <Id.Lit_VarLike 'OVERLAY_DIR='>
                                          name: OVERLAY_DIR
                                        )
                                      op: assign_op.Equal
                                      rhs: {($ Id.VSub_DollarName IMAGE_MNT) <'/rootfs'>}
                                    )
                                  ]
                                  redirects: []
                                )
                                (command.ShAssignment
                                  left: <Id.Lit_VarLike 'OVERLAY_MNT='>
                                  pairs: [
                                    (AssignPair
                                      left: <Id.Lit_VarLike 'OVERLAY_MNT='>
                                      lhs: 
                                        (sh_lhs_expr.Name
                                          left: <Id.Lit_VarLike 'OVERLAY_MNT='>
                                          name: OVERLAY_MNT
                                        )
                                      op: assign_op.Equal
                                      rhs: {($ Id.VSub_DollarName IMAGE_MNT)}
                                    )
                                  ]
                                  redirects: []
                                )
                                (command.ShAssignment
                                  left: <Id.Lit_VarLike 'UPPER_DIR='>
                                  pairs: [
                                    (AssignPair
                                      left: <Id.Lit_VarLike 'UPPER_DIR='>
                                      lhs: 
                                        (sh_lhs_expr.Name
                                          left: <Id.Lit_VarLike 'UPPER_DIR='>
                                          name: UPPER_DIR
                                        )
                                      op: assign_op.Equal
                                      rhs: {($ Id.VSub_DollarName DEFAULT_UPPER_DIR)}
                                    )
                                  ]
                                  redirects: []
                                )
                                (command.ShAssignment
                                  left: <Id.Lit_VarLike 'WORK_DIR='>
                                  pairs: [
                                    (AssignPair
                                      left: <Id.Lit_VarLike 'WORK_DIR='>
                                      lhs: 
                                        (sh_lhs_expr.Name
                                          left: <Id.Lit_VarLike 'WORK_DIR='>
                                          name: WORK_DIR
                                        )
                                      op: assign_op.Equal
                                      rhs: {($ Id.VSub_DollarName DEFAULT_WORK_DIR)}
                                    )
                                  ]
                                  redirects: []
                                )
                              ]
                              fi_kw: <Id.KW_Fi fi>
                              redirects: []
                            )
                          ]
                          spids: [547 567]
                        )
                      ]
                      else_kw: <Id.KW_Else else>
                      else_action: [
                        (command.Simple
                          blame_tok: <umount>
                          more_env: []
                          words: [{<umount>} {($ Id.VSub_DollarName IMAGE_MNT)}]
                          redirects: []
                          do_fork: T
                        )
                        (command.Simple
                          blame_tok: <rm>
                          more_env: []
                          words: [{<rm>} {<-rf>} {($ Id.VSub_DollarName IMAGE_MNT)}]
                          redirects: []
                          do_fork: T
                        )
                      ]
                      fi_kw: <Id.KW_Fi fi>
                      redirects: []
                    )
                  ]
                  spids: [472 485]
                )
              ]
              else_action: []
              fi_kw: <Id.KW_Fi fi>
              redirects: []
            )
            (command.If
              if_kw: <Id.KW_If if>
              arms: [
                (IfArm
                  keyword: <Id.KW_If if>
                  cond: 
                    (condition.Shell
                      commands: [
                        (command.Sentence
                          child: 
                            (command.Simple
                              blame_tok: <Id.Lit_LBracket '['>
                              more_env: []
                              words: [
                                {<Id.Lit_LBracket '['>}
                                {(DQ ($ Id.VSub_DollarName OVERLAY_DIR))}
                                {<Id.KW_Bang '!'> <Id.Lit_Equals '='>}
                                {(DQ )}
                                {<-a>}
                                {(DQ ($ Id.VSub_DollarName UPPER_DIR))}
                                {<Id.KW_Bang '!'> <Id.Lit_Equals '='>}
                                {(DQ )}
                                {<-a>}
                                {(DQ ($ Id.VSub_DollarName WORK_DIR))}
                                {<Id.KW_Bang '!'> <Id.Lit_Equals '='>}
                                {(DQ )}
                                {<Id.Lit_RBracket ']'>}
                              ]
                              redirects: []
                              do_fork: T
                            )
                          terminator: <Id.Op_Semi _>
                        )
                      ]
                    )
                  then_kw: <Id.KW_Then then>
                  action: [
                    (command.Simple
                      blame_tok: <mkdir>
                      more_env: []
                      words: [{<mkdir>} {<-p>} {($ Id.VSub_DollarName OVERLAY_DIR)}]
                      redirects: []
                      do_fork: T
                    )
                    (command.Simple
                      blame_tok: <mkdir>
                      more_env: []
                      words: [{<mkdir>} {<-p>} {($ Id.VSub_DollarName UPPER_DIR)}]
                      redirects: []
                      do_fork: T
                    )
                    (command.Simple
                      blame_tok: <mkdir>
                      more_env: []
                      words: [{<mkdir>} {<-p>} {($ Id.VSub_DollarName WORK_DIR)}]
                      redirects: []
                      do_fork: T
                    )
                    (command.Simple
                      blame_tok: <mount>
                      more_env: []
                      words: [
                        {<mount>}
                        {<-t>}
                        {<overlay>}
                        {<-o>}
                        {<Id.Lit_VarLike 'lowerdir='> ($ Id.VSub_DollarName OVERLAY_DIR) 
                          <Id.Lit_Colon ':'> <'/mnt'> <Id.Lit_Comma ','> <Id.Lit_VarLike 'upperdir='> ($ Id.VSub_DollarName UPPER_DIR) 
                          <Id.Lit_Comma ','> <Id.Lit_VarLike 'workdir='> ($ Id.VSub_DollarName WORK_DIR)
                        }
                        {<none>}
                        {<'/mnt'>}
                      ]
                      redirects: [
                        (Redir
                          op: <Id.Redir_Great '2>'>
                          loc: (redir_loc.Fd fd:2)
                          arg: {<'/dev/null'>}
                        )
                      ]
                      do_fork: T
                    )
                    (command.ShAssignment
                      left: <Id.Lit_VarLike 'OUT='>
                      pairs: [
                        (AssignPair
                          left: <Id.Lit_VarLike 'OUT='>
                          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'OUT='> name:OUT)
                          op: assign_op.Equal
                          rhs: {($ Id.VSub_QMark '?')}
                        )
                      ]
                      redirects: []
                    )
                    (command.If
                      if_kw: <Id.KW_If if>
                      arms: [
                        (IfArm
                          keyword: <Id.KW_If if>
                          cond: 
                            (condition.Shell
                              commands: [
                                (command.Sentence
                                  child: 
                                    (command.Simple
                                      blame_tok: <Id.Lit_LBracket '['>
                                      more_env: []
                                      words: [
                                        {<Id.Lit_LBracket '['>}
                                        {<Id.KW_Bang '!'>}
                                        {(DQ ($ Id.VSub_DollarName OUT))}
                                        {<Id.Lit_Equals '='>}
                                        {(DQ <0>)}
                                        {<Id.Lit_RBracket ']'>}
                                      ]
                                      redirects: []
                                      do_fork: T
                                    )
                                  terminator: <Id.Op_Semi _>
                                )
                              ]
                            )
                          then_kw: <Id.KW_Then then>
                          action: [
                            (command.Simple
                              blame_tok: <echo>
                              more_env: []
                              words: [
                                {<echo>}
                                {<-e>}
                                {
                                  (DQ <'  '> 
                                    (word_part.EscapedLiteral
                                      token: <Id.Lit_EscapedChar '\\\\'>
                                      ch: '\\'
                                    ) <'e[31mMount failed (probably on vfat).'> 
                                    (word_part.EscapedLiteral
                                      token: <Id.Lit_EscapedChar '\\\\'>
                                      ch: '\\'
                                    ) <'e[0m'>
                                  )
                                }
                              ]
                              redirects: []
                              do_fork: T
                            )
                            (command.Simple
                              blame_tok: <umount>
                              more_env: []
                              words: [{<umount>} {($ Id.VSub_DollarName OVERLAY_MNT)}]
                              redirects: [
                                (Redir
                                  op: <Id.Redir_Great '2>'>
                                  loc: (redir_loc.Fd fd:2)
                                  arg: {<'/dev/null'>}
                                )
                              ]
                              do_fork: T
                            )
                            (command.Simple
                              blame_tok: <rmdir>
                              more_env: []
                              words: [{<rmdir>} {($ Id.VSub_DollarName OVERLAY_MNT)}]
                              redirects: [
                                (Redir
                                  op: <Id.Redir_Great '2>'>
                                  loc: (redir_loc.Fd fd:2)
                                  arg: {<'/dev/null'>}
                                )
                              ]
                              do_fork: T
                            )
                            (command.Simple
                              blame_tok: <rmdir>
                              more_env: []
                              words: [{<rmdir>} {($ Id.VSub_DollarName DEFAULT_OVERLAY_DIR)}]
                              redirects: [
                                (Redir
                                  op: <Id.Redir_Great '2>'>
                                  loc: (redir_loc.Fd fd:2)
                                  arg: {<'/dev/null'>}
                                )
                              ]
                              do_fork: T
                            )
                            (command.Simple
                              blame_tok: <rmdir>
                              more_env: []
                              words: [{<rmdir>} {($ Id.VSub_DollarName DEFAULT_UPPER_DIR)}]
                              redirects: [
                                (Redir
                                  op: <Id.Redir_Great '2>'>
                                  loc: (redir_loc.Fd fd:2)
                                  arg: {<'/dev/null'>}
                                )
                              ]
                              do_fork: T
                            )
                            (command.Simple
                              blame_tok: <rmdir>
                              more_env: []
                              words: [{<rmdir>} {($ Id.VSub_DollarName DEFAULT_WORK_DIR)}]
                              redirects: [
                                (Redir
                                  op: <Id.Redir_Great '2>'>
                                  loc: (redir_loc.Fd fd:2)
                                  arg: {<'/dev/null'>}
                                )
                              ]
                              do_fork: T
                            )
                          ]
                          spids: [806 826]
                        )
                      ]
                      else_kw: <Id.KW_Else else>
                      else_action: [
                        (command.Simple
                          blame_tok: <echo>
                          more_env: []
                          words: [
                            {<echo>}
                            {<-e>}
                            {
                              (DQ <'  Overlay data from device '> 
                                (word_part.EscapedLiteral
                                  token: <Id.Lit_EscapedChar '\\\\'>
                                  ch: '\\'
                                ) <'e[31m'> ($ Id.VSub_DollarName DEVICE) 
                                (word_part.EscapedLiteral
                                  token: <Id.Lit_EscapedChar '\\\\'>
                                  ch: '\\'
                                ) <'e[0m has been merged.'>
                              )
                            }
                          ]
                          redirects: []
                          do_fork: T
                        )
                        (command.ControlFlow
                          keyword: <Id.ControlFlow_Break break>
                        )
                      ]
                      fi_kw: <Id.KW_Fi fi>
                      redirects: []
                    )
                  ]
                  spids: [707 749]
                )
              ]
              else_kw: <Id.KW_Else else>
              else_action: [
                (command.Simple
                  blame_tok: <echo>
                  more_env: []
                  words: [
                    {<echo>}
                    {<-e>}
                    {
                      (DQ <'  Device '> 
                        (word_part.EscapedLiteral
                          token: <Id.Lit_EscapedChar '\\\\'>
                          ch: '\\'
                        ) <'e[31m'> ($ Id.VSub_DollarName DEVICE) 
                        (word_part.EscapedLiteral
                          token: <Id.Lit_EscapedChar '\\\\'>
                          ch: '\\'
                        ) <'e[0m has no proper overlay structure.'>
                      )
                    }
                  ]
                  redirects: []
                  do_fork: T
                )
              ]
              fi_kw: <Id.KW_Fi fi>
              redirects: []
            )
            (command.Simple
              blame_tok: <umount>
              more_env: []
              words: [{<umount>} {($ Id.VSub_DollarName DEVICE_MNT)}]
              redirects: [(Redir op:<Id.Redir_Great '2>'> loc:(redir_loc.Fd fd:2) arg:{<'/dev/null'>})]
              do_fork: T
            )
            (command.Simple
              blame_tok: <rm>
              more_env: []
              words: [{<rm>} {<-rf>} {($ Id.VSub_DollarName DEVICE_MNT)}]
              redirects: [(Redir op:<Id.Redir_Great '2>'> loc:(redir_loc.Fd fd:2) arg:{<'/dev/null'>})]
              do_fork: T
            )
          ]
          right: <Id.KW_Done done>
        )
      redirects: []
    )
    (command.Simple
      blame_tok: <mount>
      more_env: []
      words: [{<mount>} {<--move>} {<'/dev'>} {<'/mnt/dev'>}]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <mount>
      more_env: []
      words: [{<mount>} {<--move>} {<'/sys'>} {<'/mnt/sys'>}]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <mount>
      more_env: []
      words: [{<mount>} {<--move>} {<'/proc'>} {<'/mnt/proc'>}]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <mount>
      more_env: []
      words: [{<mount>} {<--move>} {<'/tmp'>} {<'/mnt/tmp'>}]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <echo>
      more_env: []
      words: [
        {<echo>}
        {<-e>}
        {
          (DQ <'Mount locations '> 
            (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\\\'> ch:'\\') <'e[94m/dev'> (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\\\'> ch:'\\') <'e[0m, '> 
            (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\\\'> ch:'\\') <'e[94m/sys'> (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\\\'> ch:'\\') <'e[0m, '> 
            (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\\\'> ch:'\\') <'e[94m/tmp'> (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\\\'> ch:'\\') <'e[0m and '> 
            (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\\\'> ch:'\\') <'e[94m/proc'> (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\\\'> ch:'\\') 
            <'e[0m have been moved to '> (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\\\'> ch:'\\') <'e[94m/mnt'> 
            (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\\\'> ch:'\\') <'e[0m.'>
          )
        }
      ]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <echo>
      more_env: []
      words: [{<echo>} {(DQ <'Switching from initramfs root area to overlayfs root area.'>)}]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <exec>
      more_env: []
      words: [{<exec>} {<switch_root>} {<'/mnt'>} {<'/etc/03_init.sh'>}]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <echo>
      more_env: []
      words: [{<echo>} {(DQ <'(/etc/02_overlay.sh) - there is a serious bug...'>)}]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: <read>
      more_env: []
      words: [{<read>} {<-n1>} {<-s>}]
      redirects: []
      do_fork: T
    )
  ]
)