(command.CommandList
  children: [
    (command.ShFunction
      name_tok: <usage>
      name: usage
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.Simple
              blame_tok: <cat>
              more_env: []
              words: [{<cat>}]
              redirects: [
                (Redir
                  op: <Id.Redir_DLess '<<'>
                  loc: (redir_loc.Fd fd:0)
                  arg: 
                    (redir_param.HereDoc
                      here_begin: {<EOF>}
                      here_end_tok: <Id.Undefined_Tok ''>
                      stdin_parts: [
                        <'usage: '>
                        (CommandSub
                          left_token: <Id.Left_Backtick '`'>
                          child: 
                            (command.Simple
                              blame_tok: <basename>
                              more_env: []
                              words: [{<basename>} {($ Id.VSub_Number 0)}]
                              redirects: []
                              do_fork: T
                            )
                          right: <Id.Backtick_Right '`'>
                        )
                        <' [options] command ... [path]\n'>
                        <'\n'>
                        <'Options:\n'>
                        <'  -b basedir   -- Operate on a system mounted at basedir\n'>
                        <'                  (default: /)\n'>
                        <'  -d workdir   -- Store working files in workdir\n'>
                        <'                  (default: /var/db/freebsd-update/)\n'>
                        <'  -f conffile  -- Read configuration options from conffile\n'>
                        <'                  (default: /etc/freebsd-update.conf)\n'>
                        <'  -F           -- Force a fetch operation to proceed\n'>
                        <'  -k KEY       -- Trust an RSA key with SHA256 hash of KEY\n'>
                        <'  -r release   -- Target for upgrade (e.g., 11.1-RELEASE)\n'>
                        <'  -s server    -- Server from which to fetch updates\n'>
                        <'                  (default: update.FreeBSD.org)\n'>
                        <'  -t address   -- Mail output of cron command, if any, to address\n'>
                        <'                  (default: root)\n'>
                        <'  --not-running-from-cron\n'>
                        <'               -- Run without a tty, for use by automated tools\n'>
                        <'  --currently-running release\n'>
                        <'               -- Update as if currently running this release\n'>
                        <'Commands:\n'>
                        <'  fetch        -- Fetch updates from server\n'>
                        <'  cron         -- Sleep rand(3600) seconds, fetch updates, and send an\n'>
                        <'                  email if updates were found\n'>
                        <
'  upgrade      -- Fetch upgrades to FreeBSD version specified via -r option\n'
                        >
                        <'  install      -- Install downloaded updates or upgrades\n'>
                        <'  rollback     -- Uninstall most recently installed updates\n'>
                        <'  IDS          -- Compare the system against an index of '>
                        <Id.Right_DoubleQuote '"'>
                        <'known good'>
                        <Id.Right_DoubleQuote '"'>
                        <' files.\n'>
                      ]
                    )
                )
              ]
              do_fork: T
            )
            (command.ControlFlow keyword:<Id.ControlFlow_Exit exit> arg_word:{<0>})
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShAssignment
      left: <Id.Lit_VarLike 'CONFIGOPTIONS='>
      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'CONFIGOPTIONS='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'CONFIGOPTIONS='> name:CONFIGOPTIONS)
          op: assign_op.Equal
          rhs: 
            {
              (DQ <'KEYPRINT WORKDIR SERVERNAME MAILTO ALLOWADD ALLOWDELETE\n'> 
                <'    KEEPMODIFIEDMETADATA COMPONENTS IGNOREPATHS UPDATEIFUNMODIFIED\n'> <'    BASEDIR VERBOSELEVEL TARGETRELEASE STRICTCOMPONENTS MERGECHANGES\n'> 
                <'    IDSIGNOREPATHS BACKUPKERNEL BACKUPKERNELDIR BACKUPKERNELSYMBOLFILES'>
              )
            }
        )
      ]
      redirects: []
    )
    (command.ShFunction
      name_tok: <nullconfig>
      name: nullconfig
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.ForEach
              keyword: <Id.KW_For for>
              iter_names: [X]
              iterable: (for_iter.Words words:[{(${ Id.VSub_Name CONFIGOPTIONS)}])
              semi_tok: <Id.Op_Semi _>
              body: 
                (command.DoGroup
                  left: <Id.KW_Do do>
                  children: [
                    (command.Simple
                      blame_tok: <eval>
                      more_env: []
                      words: [{<eval>} {(${ Id.VSub_Name X) <Id.Lit_Equals '='> (DQ )}]
                      redirects: []
                      do_fork: T
                    )
                  ]
                  right: <Id.KW_Done done>
                )
              redirects: []
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShFunction
      name_tok: <saveconfig>
      name: saveconfig
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.ForEach
              keyword: <Id.KW_For for>
              iter_names: [X]
              iterable: (for_iter.Words words:[{(${ Id.VSub_Name CONFIGOPTIONS)}])
              semi_tok: <Id.Op_Semi _>
              body: 
                (command.DoGroup
                  left: <Id.KW_Do do>
                  children: [
                    (command.Simple
                      blame_tok: <eval>
                      more_env: []
                      words: [
                        {<eval>}
                        {(${ Id.VSub_Name X) <Id.Lit_VarLike '_saved='> 
                          (word_part.EscapedLiteral
                            token: <Id.Lit_EscapedChar '\\$'>
                            ch: '$'
                          ) (${ Id.VSub_Name X)
                        }
                      ]
                      redirects: []
                      do_fork: T
                    )
                  ]
                  right: <Id.KW_Done done>
                )
              redirects: []
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShFunction
      name_tok: <mergeconfig>
      name: mergeconfig
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.ForEach
              keyword: <Id.KW_For for>
              iter_names: [X]
              iterable: (for_iter.Words words:[{(${ Id.VSub_Name CONFIGOPTIONS)}])
              semi_tok: <Id.Op_Semi _>
              body: 
                (command.DoGroup
                  left: <Id.KW_Do do>
                  children: [
                    (command.Simple
                      blame_tok: <eval>
                      more_env: []
                      words: [
                        {<eval>}
                        {<Id.Lit_VarLike '_='> 
                          (word_part.EscapedLiteral
                            token: <Id.Lit_EscapedChar '\\$'>
                            ch: '$'
                          ) (${ Id.VSub_Name X) <_saved>
                        }
                      ]
                      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.Pipeline
                                      negated: <Id.KW_Bang '!'>
                                      children: [
                                        (command.Simple
                                          blame_tok: <Id.Lit_LBracket '['>
                                          more_env: []
                                          words: [
                                            {<Id.Lit_LBracket '['>}
                                            {<-z>}
                                            {(DQ (${ Id.VSub_Name _))}
                                            {<Id.Lit_RBracket ']'>}
                                          ]
                                          redirects: []
                                          do_fork: T
                                        )
                                      ]
                                      ops: []
                                    )
                                  terminator: <Id.Op_Semi _>
                                )
                              ]
                            )
                          then_kw: <Id.KW_Then then>
                          action: [
                            (command.Simple
                              blame_tok: <eval>
                              more_env: []
                              words: [
                                {<eval>}
                                {(${ Id.VSub_Name X) <Id.Lit_Equals '='> 
                                  (word_part.EscapedLiteral
                                    token: <Id.Lit_EscapedChar '\\$'>
                                    ch: '$'
                                  ) (${ Id.VSub_Name X) <_saved>
                                }
                              ]
                              redirects: []
                              do_fork: T
                            )
                          ]
                          spids: [351 368]
                        )
                      ]
                      else_action: []
                      fi_kw: <Id.KW_Fi fi>
                      redirects: []
                    )
                  ]
                  right: <Id.KW_Done done>
                )
              redirects: []
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShFunction
      name_tok: <config_KeyPrint>
      name: config_KeyPrint
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (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 '['>}
                                {<-z>}
                                {(${ Id.VSub_Name KEYPRINT)}
                                {<Id.Lit_RBracket ']'>}
                              ]
                              redirects: []
                              do_fork: T
                            )
                          terminator: <Id.Op_Semi _>
                        )
                      ]
                    )
                  then_kw: <Id.KW_Then then>
                  action: [
                    (command.ShAssignment
                      left: <Id.Lit_VarLike 'KEYPRINT='>
                      pairs: [
                        (AssignPair
                          left: <Id.Lit_VarLike 'KEYPRINT='>
                          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'KEYPRINT='> name:KEYPRINT)
                          op: assign_op.Equal
                          rhs: {($ Id.VSub_Number 1)}
                        )
                      ]
                      redirects: []
                    )
                  ]
                  spids: [403 416]
                )
              ]
              else_kw: <Id.KW_Else else>
              else_action: [(command.ControlFlow keyword:<Id.ControlFlow_Return return> arg_word:{<1>})]
              fi_kw: <Id.KW_Fi fi>
              redirects: []
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShFunction
      name_tok: <config_WorkDir>
      name: config_WorkDir
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (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 '['>}
                                {<-z>}
                                {(${ Id.VSub_Name WORKDIR)}
                                {<Id.Lit_RBracket ']'>}
                              ]
                              redirects: []
                              do_fork: T
                            )
                          terminator: <Id.Op_Semi _>
                        )
                      ]
                    )
                  then_kw: <Id.KW_Then then>
                  action: [
                    (command.ShAssignment
                      left: <Id.Lit_VarLike 'WORKDIR='>
                      pairs: [
                        (AssignPair
                          left: <Id.Lit_VarLike 'WORKDIR='>
                          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'WORKDIR='> name:WORKDIR)
                          op: assign_op.Equal
                          rhs: {($ Id.VSub_Number 1)}
                        )
                      ]
                      redirects: []
                    )
                  ]
                  spids: [447 460]
                )
              ]
              else_kw: <Id.KW_Else else>
              else_action: [(command.ControlFlow keyword:<Id.ControlFlow_Return return> arg_word:{<1>})]
              fi_kw: <Id.KW_Fi fi>
              redirects: []
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShFunction
      name_tok: <config_ServerName>
      name: config_ServerName
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (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 '['>}
                                {<-z>}
                                {(${ Id.VSub_Name SERVERNAME)}
                                {<Id.Lit_RBracket ']'>}
                              ]
                              redirects: []
                              do_fork: T
                            )
                          terminator: <Id.Op_Semi _>
                        )
                      ]
                    )
                  then_kw: <Id.KW_Then then>
                  action: [
                    (command.ShAssignment
                      left: <Id.Lit_VarLike 'SERVERNAME='>
                      pairs: [
                        (AssignPair
                          left: <Id.Lit_VarLike 'SERVERNAME='>
                          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'SERVERNAME='> name:SERVERNAME)
                          op: assign_op.Equal
                          rhs: {($ Id.VSub_Number 1)}
                        )
                      ]
                      redirects: []
                    )
                  ]
                  spids: [491 504]
                )
              ]
              else_kw: <Id.KW_Else else>
              else_action: [(command.ControlFlow keyword:<Id.ControlFlow_Return return> arg_word:{<1>})]
              fi_kw: <Id.KW_Fi fi>
              redirects: []
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShFunction
      name_tok: <config_MailTo>
      name: config_MailTo
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (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 '['>}
                                {<-z>}
                                {(${ Id.VSub_Name MAILTO)}
                                {<Id.Lit_RBracket ']'>}
                              ]
                              redirects: []
                              do_fork: T
                            )
                          terminator: <Id.Op_Semi _>
                        )
                      ]
                    )
                  then_kw: <Id.KW_Then then>
                  action: [
                    (command.ShAssignment
                      left: <Id.Lit_VarLike 'MAILTO='>
                      pairs: [
                        (AssignPair
                          left: <Id.Lit_VarLike 'MAILTO='>
                          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'MAILTO='> name:MAILTO)
                          op: assign_op.Equal
                          rhs: {($ Id.VSub_Number 1)}
                        )
                      ]
                      redirects: []
                    )
                  ]
                  spids: [535 548]
                )
              ]
              else_kw: <Id.KW_Else else>
              else_action: [(command.ControlFlow keyword:<Id.ControlFlow_Return return> arg_word:{<1>})]
              fi_kw: <Id.KW_Fi fi>
              redirects: []
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShFunction
      name_tok: <config_AllowAdd>
      name: config_AllowAdd
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (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 '['>}
                                {<-z>}
                                {(${ Id.VSub_Name ALLOWADD)}
                                {<Id.Lit_RBracket ']'>}
                              ]
                              redirects: []
                              do_fork: T
                            )
                          terminator: <Id.Op_Semi _>
                        )
                      ]
                    )
                  then_kw: <Id.KW_Then then>
                  action: [
                    (command.Case
                      case_kw: <Id.KW_Case case>
                      to_match: (case_arg.Word w:{($ Id.VSub_Number 1)})
                      arms_start: <Id.KW_In in>
                      arms: [
                        (CaseArm
                          left: <Id.Lit_LBracket '['>
                          pattern: 
                            (pat.Words
                              words: [
                                {<Id.Lit_LBracket '['> <Yy> <Id.Lit_RBracket ']'> <Id.Lit_LBracket '['> 
                                  <Ee> <Id.Lit_RBracket ']'> <Id.Lit_LBracket '['> <Ss> <Id.Lit_RBracket ']'>
                                }
                              ]
                            )
                          middle: <Id.Right_CasePat _>
                          action: [
                            (command.ShAssignment
                              left: <Id.Lit_VarLike 'ALLOWADD='>
                              pairs: [
                                (AssignPair
                                  left: <Id.Lit_VarLike 'ALLOWADD='>
                                  lhs: 
                                    (sh_lhs_expr.Name
                                      left: <Id.Lit_VarLike 'ALLOWADD='>
                                      name: ALLOWADD
                                    )
                                  op: assign_op.Equal
                                  rhs: {<yes>}
                                )
                              ]
                              redirects: []
                            )
                          ]
                          right: <Id.Op_DSemi _>
                        )
                        (CaseArm
                          left: <Id.Lit_LBracket '['>
                          pattern: 
                            (pat.Words
                              words: [
                                {<Id.Lit_LBracket '['> <Nn> <Id.Lit_RBracket ']'> <Id.Lit_LBracket '['> 
                                  <Oo> <Id.Lit_RBracket ']'>
                                }
                              ]
                            )
                          middle: <Id.Right_CasePat _>
                          action: [
                            (command.ShAssignment
                              left: <Id.Lit_VarLike 'ALLOWADD='>
                              pairs: [
                                (AssignPair
                                  left: <Id.Lit_VarLike 'ALLOWADD='>
                                  lhs: 
                                    (sh_lhs_expr.Name
                                      left: <Id.Lit_VarLike 'ALLOWADD='>
                                      name: ALLOWADD
                                    )
                                  op: assign_op.Equal
                                  rhs: {<no>}
                                )
                              ]
                              redirects: []
                            )
                          ]
                          right: <Id.Op_DSemi _>
                        )
                        (CaseArm
                          left: <Id.Lit_Star '*'>
                          pattern: (pat.Words words:[{<Id.Lit_Star '*'>}])
                          middle: <Id.Right_CasePat _>
                          action: [
                            (command.ControlFlow
                              keyword: <Id.ControlFlow_Return return>
                              arg_word: {<1>}
                            )
                          ]
                          right: <Id.Op_DSemi _>
                        )
                      ]
                      arms_end: <Id.KW_Esac esac>
                      redirects: []
                    )
                  ]
                  spids: [582 595]
                )
              ]
              else_kw: <Id.KW_Else else>
              else_action: [(command.ControlFlow keyword:<Id.ControlFlow_Return return> arg_word:{<1>})]
              fi_kw: <Id.KW_Fi fi>
              redirects: []
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShFunction
      name_tok: <config_AllowDelete>
      name: config_AllowDelete
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (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 '['>}
                                {<-z>}
                                {(${ Id.VSub_Name ALLOWDELETE)}
                                {<Id.Lit_RBracket ']'>}
                              ]
                              redirects: []
                              do_fork: T
                            )
                          terminator: <Id.Op_Semi _>
                        )
                      ]
                    )
                  then_kw: <Id.KW_Then then>
                  action: [
                    (command.Case
                      case_kw: <Id.KW_Case case>
                      to_match: (case_arg.Word w:{($ Id.VSub_Number 1)})
                      arms_start: <Id.KW_In in>
                      arms: [
                        (CaseArm
                          left: <Id.Lit_LBracket '['>
                          pattern: 
                            (pat.Words
                              words: [
                                {<Id.Lit_LBracket '['> <Yy> <Id.Lit_RBracket ']'> <Id.Lit_LBracket '['> 
                                  <Ee> <Id.Lit_RBracket ']'> <Id.Lit_LBracket '['> <Ss> <Id.Lit_RBracket ']'>
                                }
                              ]
                            )
                          middle: <Id.Right_CasePat _>
                          action: [
                            (command.ShAssignment
                              left: <Id.Lit_VarLike 'ALLOWDELETE='>
                              pairs: [
                                (AssignPair
                                  left: <Id.Lit_VarLike 'ALLOWDELETE='>
                                  lhs: 
                                    (sh_lhs_expr.Name
                                      left: <Id.Lit_VarLike 'ALLOWDELETE='>
                                      name: ALLOWDELETE
                                    )
                                  op: assign_op.Equal
                                  rhs: {<yes>}
                                )
                              ]
                              redirects: []
                            )
                          ]
                          right: <Id.Op_DSemi _>
                        )
                        (CaseArm
                          left: <Id.Lit_LBracket '['>
                          pattern: 
                            (pat.Words
                              words: [
                                {<Id.Lit_LBracket '['> <Nn> <Id.Lit_RBracket ']'> <Id.Lit_LBracket '['> 
                                  <Oo> <Id.Lit_RBracket ']'>
                                }
                              ]
                            )
                          middle: <Id.Right_CasePat _>
                          action: [
                            (command.ShAssignment
                              left: <Id.Lit_VarLike 'ALLOWDELETE='>
                              pairs: [
                                (AssignPair
                                  left: <Id.Lit_VarLike 'ALLOWDELETE='>
                                  lhs: 
                                    (sh_lhs_expr.Name
                                      left: <Id.Lit_VarLike 'ALLOWDELETE='>
                                      name: ALLOWDELETE
                                    )
                                  op: assign_op.Equal
                                  rhs: {<no>}
                                )
                              ]
                              redirects: []
                            )
                          ]
                          right: <Id.Op_DSemi _>
                        )
                        (CaseArm
                          left: <Id.Lit_Star '*'>
                          pattern: (pat.Words words:[{<Id.Lit_Star '*'>}])
                          middle: <Id.Right_CasePat _>
                          action: [
                            (command.ControlFlow
                              keyword: <Id.ControlFlow_Return return>
                              arg_word: {<1>}
                            )
                          ]
                          right: <Id.Op_DSemi _>
                        )
                      ]
                      arms_end: <Id.KW_Esac esac>
                      redirects: []
                    )
                  ]
                  spids: [679 692]
                )
              ]
              else_kw: <Id.KW_Else else>
              else_action: [(command.ControlFlow keyword:<Id.ControlFlow_Return return> arg_word:{<1>})]
              fi_kw: <Id.KW_Fi fi>
              redirects: []
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShFunction
      name_tok: <config_KeepModifiedMetadata>
      name: config_KeepModifiedMetadata
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (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: [
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                              redirects: []
                              do_fork: T
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                                      more_env: []
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                                        {(DQ ($ Id.VSub_DollarName C))}
                                        {<Id.Lit_Equals '='>}
                                        {(DQ <src>)}
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                                      redirects: []
                                      do_fork: T
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                                  terminator: <Id.Op_Semi _>
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                          then_kw: <Id.KW_Then then>
                          action: [
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                                              more_env: []
                                              words: [
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                                                {<-e>}
                                                {<'/usr/src/COPYRIGHT'>}
                                                {<Id.Lit_RBracket ']'>}
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                                              redirects: []
                                              do_fork: T
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                                          terminator: <Id.Op_Semi _>
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                                  then_kw: <Id.KW_Then then>
                                  action: [
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                                          op: assign_op.Equal
                                          rhs: 
                                            {
                                              (DQ (${ Id.VSub_Name COMPONENTS) <' '> 
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                                  redirects: []
                                  do_fork: T
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                              fi_kw: <Id.KW_Fi fi>
                              redirects: []
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                      else_kw: <Id.KW_Else else>
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                              op: assign_op.Equal
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      name: config_IgnorePaths
      body: 
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              semi_tok: <Id.Op_Semi _>
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                            (sh_lhs_expr.Name
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                      redirects: []
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              redirects: []
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          redirects: []
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      name: config_IDSIgnorePaths
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.ForEach
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              iter_names: [C]
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                            (sh_lhs_expr.Name
                              left: <Id.Lit_VarLike 'IDSIGNOREPATHS='>
                              name: IDSIGNOREPATHS
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                          op: assign_op.Equal
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                      redirects: []
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                  right: <Id.KW_Done done>
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              redirects: []
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          redirects: []
          right: <Id.Lit_RBrace '}'>
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      name: config_UpdateIfUnmodified
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
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            (command.ForEach
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              semi_tok: <Id.Op_Semi _>
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                            (sh_lhs_expr.Name
                              left: <Id.Lit_VarLike 'UPDATEIFUNMODIFIED='>
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                          op: assign_op.Equal
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                      redirects: []
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                  right: <Id.KW_Done done>
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              redirects: []
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          redirects: []
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      name: config_MergeChanges
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.ForEach
              keyword: <Id.KW_For for>
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              semi_tok: <Id.Op_Semi _>
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                            (sh_lhs_expr.Name
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                          op: assign_op.Equal
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                      redirects: []
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                  right: <Id.KW_Done done>
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              redirects: []
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          redirects: []
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    (command.ShFunction
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      name: config_BaseDir
      body: 
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                              redirects: []
                              do_fork: T
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                      redirects: []
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              fi_kw: <Id.KW_Fi fi>
              redirects: []
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          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShFunction
      name_tok: <config_StrictComponents>
      name: config_StrictComponents
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.If
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                  keyword: <Id.KW_If if>
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                              more_env: []
                              words: [
                                {<Id.Lit_LBracket '['>}
                                {<-z>}
                                {(${ Id.VSub_Name STRICTCOMPONENTS)}
                                {<Id.Lit_RBracket ']'>}
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                              redirects: []
                              do_fork: T
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                          terminator: <Id.Op_Semi _>
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                            (pat.Words
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              redirects: []
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          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
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      name: config_TargetRelease
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
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                                {<-z>}
                                {(${ Id.VSub_Name TARGETRELEASE)}
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                              redirects: []
                              do_fork: T
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                      ]
                    )
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                  action: [
                    (command.ShAssignment
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                      pairs: [
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                          lhs: 
                            (sh_lhs_expr.Name
                              left: <Id.Lit_VarLike 'TARGETRELEASE='>
                              name: TARGETRELEASE
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                          op: assign_op.Equal
                          rhs: {($ Id.VSub_Number 1)}
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                      ]
                      redirects: []
                    )
                  ]
                  spids: [1297 1310]
                )
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              else_kw: <Id.KW_Else else>
              else_action: [(command.ControlFlow keyword:<Id.ControlFlow_Return return> arg_word:{<1>})]
              fi_kw: <Id.KW_Fi fi>
              redirects: []
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            (command.If
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              arms: [
                (IfArm
                  keyword: <Id.KW_If if>
                  cond: 
                    (condition.Shell
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                            (command.Pipeline
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                                  more_env: []
                                  words: [{<echo>} {(${ Id.VSub_Name TARGETRELEASE)}]
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                                  do_fork: T
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                                (command.Simple
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                                  more_env: []
                                  words: [{<grep>} {<-qE>} {(SQ <'^[0-9.]+$'>)}]
                                  redirects: []
                                  do_fork: T
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                              ops: [<Id.Op_Pipe _>]
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                    )
                  then_kw: <Id.KW_Then then>
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                            (sh_lhs_expr.Name
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                              name: TARGETRELEASE
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                          op: assign_op.Equal
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                      redirects: []
                    )
                  ]
                  spids: [1328 1347]
                )
              ]
              else_action: []
              fi_kw: <Id.KW_Fi fi>
              redirects: []
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
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      name: config_VerboseLevel
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        (BraceGroup
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                              redirects: []
                              do_fork: T
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                                  <Ee> <Id.Lit_RBracket ']'> <Id.Lit_LBracket '['> <Bb> <Id.Lit_RBracket ']'> <Id.Lit_LBracket '['> <Uu> 
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                            )
                          middle: <Id.Right_CasePat _>
                          action: [
                            (command.ShAssignment
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                              pairs: [
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                                  lhs: 
                                    (sh_lhs_expr.Name
                                      left: <Id.Lit_VarLike 'VERBOSELEVEL='>
                                      name: VERBOSELEVEL
                                    )
                                  op: assign_op.Equal
                                  rhs: {<debug>}
                                )
                              ]
                              redirects: []
                            )
                          ]
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                        )
                        (CaseArm
                          left: <Id.Lit_LBracket '['>
                          pattern: 
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                                  <Id.Lit_LBracket '['> <Ss> <Id.Lit_RBracket ']'>
                                }
                              ]
                            )
                          middle: <Id.Right_CasePat _>
                          action: [
                            (command.ShAssignment
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                                      left: <Id.Lit_VarLike 'VERBOSELEVEL='>
                                      name: VERBOSELEVEL
                                    )
                                  op: assign_op.Equal
                                  rhs: {<nostats>}
                                )
                              ]
                              redirects: []
                            )
                          ]
                          right: <Id.Op_DSemi _>
                        )
                        (CaseArm
                          left: <Id.Lit_LBracket '['>
                          pattern: 
                            (pat.Words
                              words: [
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                              ]
                            )
                          middle: <Id.Right_CasePat _>
                          action: [
                            (command.ShAssignment
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                                  rhs: {<stats>}
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                              redirects: []
                            )
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                          right: <Id.Op_DSemi _>
                        )
                        (CaseArm
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                          pattern: (pat.Words words:[{<Id.Lit_Star '*'>}])
                          middle: <Id.Right_CasePat _>
                          action: [
                            (command.ControlFlow
                              keyword: <Id.ControlFlow_Return return>
                              arg_word: {<1>}
                            )
                          ]
                          right: <Id.Op_DSemi _>
                        )
                      ]
                      arms_end: <Id.KW_Esac esac>
                      redirects: []
                    )
                  ]
                  spids: [1375 1388]
                )
              ]
              else_kw: <Id.KW_Else else>
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              fi_kw: <Id.KW_Fi fi>
              redirects: []
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShFunction
      name_tok: <config_BackupKernel>
      name: config_BackupKernel
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (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 '['>}
                                {<-z>}
                                {(${ Id.VSub_Name BACKUPKERNEL)}
                                {<Id.Lit_RBracket ']'>}
                              ]
                              redirects: []
                              do_fork: T
                            )
                          terminator: <Id.Op_Semi _>
                        )
                      ]
                    )
                  then_kw: <Id.KW_Then then>
                  action: [
                    (command.Case
                      case_kw: <Id.KW_Case case>
                      to_match: (case_arg.Word w:{($ Id.VSub_Number 1)})
                      arms_start: <Id.KW_In in>
                      arms: [
                        (CaseArm
                          left: <Id.Lit_LBracket '['>
                          pattern: 
                            (pat.Words
                              words: [
                                {<Id.Lit_LBracket '['> <Yy> <Id.Lit_RBracket ']'> <Id.Lit_LBracket '['> 
                                  <Ee> <Id.Lit_RBracket ']'> <Id.Lit_LBracket '['> <Ss> <Id.Lit_RBracket ']'>
                                }
                              ]
                            )
                          middle: <Id.Right_CasePat _>
                          action: [
                            (command.ShAssignment
                              left: <Id.Lit_VarLike 'BACKUPKERNEL='>
                              pairs: [
                                (AssignPair
                                  left: <Id.Lit_VarLike 'BACKUPKERNEL='>
                                  lhs: 
                                    (sh_lhs_expr.Name
                                      left: <Id.Lit_VarLike 'BACKUPKERNEL='>
                                      name: BACKUPKERNEL
                                    )
                                  op: assign_op.Equal
                                  rhs: {<yes>}
                                )
                              ]
                              redirects: []
                            )
                          ]
                          right: <Id.Op_DSemi _>
                        )
                        (CaseArm
                          left: <Id.Lit_LBracket '['>
                          pattern: 
                            (pat.Words
                              words: [
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                                  <Oo> <Id.Lit_RBracket ']'>
                                }
                              ]
                            )
                          middle: <Id.Right_CasePat _>
                          action: [
                            (command.ShAssignment
                              left: <Id.Lit_VarLike 'BACKUPKERNEL='>
                              pairs: [
                                (AssignPair
                                  left: <Id.Lit_VarLike 'BACKUPKERNEL='>
                                  lhs: 
                                    (sh_lhs_expr.Name
                                      left: <Id.Lit_VarLike 'BACKUPKERNEL='>
                                      name: BACKUPKERNEL
                                    )
                                  op: assign_op.Equal
                                  rhs: {<no>}
                                )
                              ]
                              redirects: []
                            )
                          ]
                          right: <Id.Op_DSemi _>
                        )
                        (CaseArm
                          left: <Id.Lit_Star '*'>
                          pattern: (pat.Words words:[{<Id.Lit_Star '*'>}])
                          middle: <Id.Right_CasePat _>
                          action: [
                            (command.ControlFlow
                              keyword: <Id.ControlFlow_Return return>
                              arg_word: {<1>}
                            )
                          ]
                          right: <Id.Op_DSemi _>
                        )
                      ]
                      arms_end: <Id.KW_Esac esac>
                      redirects: []
                    )
                  ]
                  spids: [1515 1528]
                )
              ]
              else_kw: <Id.KW_Else else>
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              fi_kw: <Id.KW_Fi fi>
              redirects: []
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShFunction
      name_tok: <config_BackupKernelDir>
      name: config_BackupKernelDir
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.If
              if_kw: <Id.KW_If if>
              arms: [
                (IfArm
                  keyword: <Id.KW_If if>
                  cond: 
                    (condition.Shell
                      commands: [
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                          child: 
                            (command.Simple
                              blame_tok: <Id.Lit_LBracket '['>
                              more_env: []
                              words: [
                                {<Id.Lit_LBracket '['>}
                                {<-z>}
                                {(${ Id.VSub_Name BACKUPKERNELDIR)}
                                {<Id.Lit_RBracket ']'>}
                              ]
                              redirects: []
                              do_fork: T
                            )
                          terminator: <Id.Op_Semi _>
                        )
                      ]
                    )
                  then_kw: <Id.KW_Then then>
                  action: [
                    (command.If
                      if_kw: <Id.KW_If if>
                      arms: [
                        (IfArm
                          keyword: <Id.KW_If if>
                          cond: 
                            (condition.Shell
                              commands: [
                                (command.Sentence
                                  child: 
                                    (command.Simple
                                      blame_tok: <Id.Lit_LBracket '['>
                                      more_env: []
                                      words: [
                                        {<Id.Lit_LBracket '['>}
                                        {<-z>}
                                        {(DQ ($ Id.VSub_Number 1))}
                                        {<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>} {(DQ <'BackupKernelDir set to empty dir'>)}]
                              redirects: []
                              do_fork: T
                            )
                            (command.ControlFlow
                              keyword: <Id.ControlFlow_Return return>
                              arg_word: {<1>}
                            )
                          ]
                          spids: [1625 1638]
                        )
                      ]
                      else_action: []
                      fi_kw: <Id.KW_Fi fi>
                      redirects: []
                    )
                    (command.Case
                      case_kw: <Id.KW_Case case>
                      to_match: (case_arg.Word w:{($ Id.VSub_Number 1)})
                      arms_start: <Id.KW_In in>
                      arms: [
                        (CaseArm
                          left: <'/'>
                          pattern: 
                            (pat.Words
                              words: [
                                {<'/'>}
                                {<'/bin'>}
                                {<'/boot'>}
                                {<'/etc'>}
                                {<'/lib'>}
                                {<'/libexec'>}
                                {<'/sbin'>}
                                {<'/usr'>}
                                {<'/var'>}
                              ]
                            )
                          middle: <Id.Right_CasePat _>
                          action: [
                            (command.Simple
                              blame_tok: <echo>
                              more_env: []
                              words: [
                                {<echo>}
                                {(DQ <'BackupKernelDir set to invalid path '> ($ Id.VSub_Number 1))}
                              ]
                              redirects: []
                              do_fork: T
                            )
                            (command.ControlFlow
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                              arg_word: {<1>}
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                          ]
                          right: <Id.Op_DSemi _>
                        )
                        (CaseArm
                          left: <'/'>
                          pattern: (pat.Words words:[{<'/'> <Id.Lit_Star '*'>}])
                          middle: <Id.Right_CasePat _>
                          action: [
                            (command.ShAssignment
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                              pairs: [
                                (AssignPair
                                  left: <Id.Lit_VarLike 'BACKUPKERNELDIR='>
                                  lhs: 
                                    (sh_lhs_expr.Name
                                      left: <Id.Lit_VarLike 'BACKUPKERNELDIR='>
                                      name: BACKUPKERNELDIR
                                    )
                                  op: assign_op.Equal
                                  rhs: {($ Id.VSub_Number 1)}
                                )
                              ]
                              redirects: []
                            )
                          ]
                          right: <Id.Op_DSemi _>
                        )
                        (CaseArm
                          left: <Id.Lit_Star '*'>
                          pattern: (pat.Words words:[{<Id.Lit_Star '*'>}])
                          middle: <Id.Right_CasePat _>
                          action: [
                            (command.Simple
                              blame_tok: <echo>
                              more_env: []
                              words: [
                                {<echo>}
                                {
                                  (DQ <'BackupKernelDir ('> ($ Id.VSub_Number 1) 
                                    <') is not an absolute path'>
                                  )
                                }
                              ]
                              redirects: []
                              do_fork: T
                            )
                            (command.ControlFlow
                              keyword: <Id.ControlFlow_Return return>
                              arg_word: {<1>}
                            )
                          ]
                          right: <Id.Op_DSemi _>
                        )
                      ]
                      arms_end: <Id.KW_Esac esac>
                      redirects: []
                    )
                  ]
                  spids: [1609 1622]
                )
              ]
              else_kw: <Id.KW_Else else>
              else_action: [(command.ControlFlow keyword:<Id.ControlFlow_Return return> arg_word:{<1>})]
              fi_kw: <Id.KW_Fi fi>
              redirects: []
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShFunction
      name_tok: <config_BackupKernelSymbolFiles>
      name: config_BackupKernelSymbolFiles
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.If
              if_kw: <Id.KW_If if>
              arms: [
                (IfArm
                  keyword: <Id.KW_If if>
                  cond: 
                    (condition.Shell
                      commands: [
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                          child: 
                            (command.Simple
                              blame_tok: <Id.Lit_LBracket '['>
                              more_env: []
                              words: [
                                {<Id.Lit_LBracket '['>}
                                {<-z>}
                                {(${ Id.VSub_Name BACKUPKERNELSYMBOLFILES)}
                                {<Id.Lit_RBracket ']'>}
                              ]
                              redirects: []
                              do_fork: T
                            )
                          terminator: <Id.Op_Semi _>
                        )
                      ]
                    )
                  then_kw: <Id.KW_Then then>
                  action: [
                    (command.Case
                      case_kw: <Id.KW_Case case>
                      to_match: (case_arg.Word w:{($ Id.VSub_Number 1)})
                      arms_start: <Id.KW_In in>
                      arms: [
                        (CaseArm
                          left: <Id.Lit_LBracket '['>
                          pattern: 
                            (pat.Words
                              words: [
                                {<Id.Lit_LBracket '['> <Yy> <Id.Lit_RBracket ']'> <Id.Lit_LBracket '['> 
                                  <Ee> <Id.Lit_RBracket ']'> <Id.Lit_LBracket '['> <Ss> <Id.Lit_RBracket ']'>
                                }
                              ]
                            )
                          middle: <Id.Right_CasePat _>
                          action: [
                            (command.ShAssignment
                              left: <Id.Lit_VarLike 'BACKUPKERNELSYMBOLFILES='>
                              pairs: [
                                (AssignPair
                                  left: <Id.Lit_VarLike 'BACKUPKERNELSYMBOLFILES='>
                                  lhs: 
                                    (sh_lhs_expr.Name
                                      left: <Id.Lit_VarLike 'BACKUPKERNELSYMBOLFILES='>
                                      name: BACKUPKERNELSYMBOLFILES
                                    )
                                  op: assign_op.Equal
                                  rhs: {<yes>}
                                )
                              ]
                              redirects: []
                            )
                          ]
                          right: <Id.Op_DSemi _>
                        )
                        (CaseArm
                          left: <Id.Lit_LBracket '['>
                          pattern: 
                            (pat.Words
                              words: [
                                {<Id.Lit_LBracket '['> <Nn> <Id.Lit_RBracket ']'> <Id.Lit_LBracket '['> 
                                  <Oo> <Id.Lit_RBracket ']'>
                                }
                              ]
                            )
                          middle: <Id.Right_CasePat _>
                          action: [
                            (command.ShAssignment
                              left: <Id.Lit_VarLike 'BACKUPKERNELSYMBOLFILES='>
                              pairs: [
                                (AssignPair
                                  left: <Id.Lit_VarLike 'BACKUPKERNELSYMBOLFILES='>
                                  lhs: 
                                    (sh_lhs_expr.Name
                                      left: <Id.Lit_VarLike 'BACKUPKERNELSYMBOLFILES='>
                                      name: BACKUPKERNELSYMBOLFILES
                                    )
                                  op: assign_op.Equal
                                  rhs: {<no>}
                                )
                              ]
                              redirects: []
                            )
                          ]
                          right: <Id.Op_DSemi _>
                        )
                        (CaseArm
                          left: <Id.Lit_Star '*'>
                          pattern: (pat.Words words:[{<Id.Lit_Star '*'>}])
                          middle: <Id.Right_CasePat _>
                          action: [
                            (command.ControlFlow
                              keyword: <Id.ControlFlow_Return return>
                              arg_word: {<1>}
                            )
                          ]
                          right: <Id.Op_DSemi _>
                        )
                      ]
                      arms_end: <Id.KW_Esac esac>
                      redirects: []
                    )
                  ]
                  spids: [1769 1782]
                )
              ]
              else_kw: <Id.KW_Else else>
              else_action: [(command.ControlFlow keyword:<Id.ControlFlow_Return return> arg_word:{<1>})]
              fi_kw: <Id.KW_Fi fi>
              redirects: []
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShFunction
      name_tok: <configline>
      name: configline
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.If
              if_kw: <Id.KW_If if>
              arms: [
                (IfArm
                  keyword: <Id.KW_If if>
                  cond: 
                    (condition.Shell
                      commands: [
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                          child: 
                            (command.Simple
                              blame_tok: <Id.Lit_LBracket '['>
                              more_env: []
                              words: [
                                {<Id.Lit_LBracket '['>}
                                {($ Id.VSub_Pound '#')}
                                {<-eq>}
                                {<0>}
                                {<Id.Lit_RBracket ']'>}
                              ]
                              redirects: []
                              do_fork: T
                            )
                          terminator: <Id.Op_Semi _>
                        )
                      ]
                    )
                  then_kw: <Id.KW_Then then>
                  action: [(command.ControlFlow keyword:<Id.ControlFlow_Return return>)]
                  spids: [1866 1879]
                )
              ]
              else_action: []
              fi_kw: <Id.KW_Fi fi>
              redirects: []
            )
            (command.ShAssignment
              left: <Id.Lit_VarLike 'OPT='>
              pairs: [
                (AssignPair
                  left: <Id.Lit_VarLike 'OPT='>
                  lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'OPT='> name:OPT)
                  op: assign_op.Equal
                  rhs: {($ Id.VSub_Number 1)}
                )
              ]
              redirects: []
            )
            (command.Simple
              blame_tok: <shift>
              more_env: []
              words: [{<shift>}]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: <config_>
              more_env: []
              words: [{<config_> (${ Id.VSub_Name OPT)} {($ Id.VSub_At '@')}]
              redirects: []
              do_fork: T
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShFunction
      name_tok: <init_params>
      name: init_params
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.Simple
              blame_tok: <nullconfig>
              more_env: []
              words: [{<nullconfig>}]
              redirects: []
              do_fork: T
            )
            (command.ShAssignment
              left: <Id.Lit_VarLike 'CONFFILE='>
              pairs: [
                (AssignPair
                  left: <Id.Lit_VarLike 'CONFFILE='>
                  lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'CONFFILE='> name:CONFFILE)
                  op: assign_op.Equal
                  rhs: {(DQ )}
                )
              ]
              redirects: []
            )
            (command.ShAssignment
              left: <Id.Lit_VarLike 'COMMANDS='>
              pairs: [
                (AssignPair
                  left: <Id.Lit_VarLike 'COMMANDS='>
                  lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'COMMANDS='> name:COMMANDS)
                  op: assign_op.Equal
                  rhs: {(DQ )}
                )
              ]
              redirects: []
            )
            (command.ShAssignment
              left: <Id.Lit_VarLike 'FORCEFETCH='>
              pairs: [
                (AssignPair
                  left: <Id.Lit_VarLike 'FORCEFETCH='>
                  lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'FORCEFETCH='> name:FORCEFETCH)
                  op: assign_op.Equal
                  rhs: {<0>}
                )
              ]
              redirects: []
            )
            (command.ShAssignment
              left: <Id.Lit_VarLike 'NOTTYOK='>
              pairs: [
                (AssignPair
                  left: <Id.Lit_VarLike 'NOTTYOK='>
                  lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'NOTTYOK='> name:NOTTYOK)
                  op: assign_op.Equal
                  rhs: {<0>}
                )
              ]
              redirects: []
            )
          ]
          redirects: []
          right: <Id.Lit_RBrace '}'>
        )
    )
    (command.ShFunction
      name_tok: <parse_cmdline>
      name: parse_cmdline
      body: 
        (BraceGroup
          left: <Id.Lit_LBrace '{'>
          children: [
            (command.WhileUntil
              keyword: <Id.KW_While while>
              cond: 
                (condition.Shell
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                      child: 
                        (command.Simple
                          blame_tok: <Id.Lit_LBracket '['>
                          more_env: []
                          words: [
                            {<Id.Lit_LBracket '['>}
                            {($ Id.VSub_Pound '#')}
                            {<-gt>}
                            {<0>}
                            {<Id.Lit_RBracket ']'>}
                          ]
                          redirects: []
                          do_fork: T
                        )
                      terminator: <Id.Op_Semi _>
                    )
                  ]
                )
              body: 
                (command.DoGroup
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                  children: [
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                      to_match: (case_arg.Word w:{(DQ ($ Id.VSub_Number 1))})
                      arms_start: <Id.KW_In in>
                      arms: [
                        (CaseArm
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                          pattern: (pat.Words words:[{<-f>}])
                          middle: <Id.Right_CasePat _>
                          action: [
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                              arms: [
                                (IfArm
                                  keyword: <Id.KW_If if>
                                  cond: 
                                    (condition.Shell
                                      commands: [
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                                          child: 
                                            (command.Simple
                                              blame_tok: <Id.Lit_LBracket '['>
                                              more_env: []
                                              words: [
                                                {<Id.Lit_LBracket '['>}
                                                {($ Id.VSub_Pound '#')}
                                                {<-eq>}
                                                {<1>}
                                                {<Id.Lit_RBracket ']'>}
                                              ]
                                              redirects: []
                                              do_fork: T
                                            )
                                          terminator: <Id.Op_Semi _>
                                        )
                                      ]
                                    )
                                  then_kw: <Id.KW_Then then>
                                  action: [
                                    (command.Sentence
                                      child: 
                                        (command.Simple
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                      do_fork: T
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              do_fork: T
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      name: default_params
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              more_env: []
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